-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <sys/stat.h>
-
-#include <sys/resource.h>
-#include <sys/stat.h>
-
-#include <errno.h>
-#include <stdarg.h>
-#include <locale.h>
-#include <ctype.h>
-#include <fcntl.h>
-
-#include <malloc.h>
-#include <dirent.h>
-#include <arpa/inet.h>
-
-#include <sys/types.h>
-#include <pwd.h>
-#include <grp.h>
-
-#include "avl.h"
+
+/*
+ * netdata apps.plugin
+ * (C) Copyright 2016-2017 Costa Tsaousis <costa@tsaousis.gr>
+ * Released under GPL v3+
+ */
#include "common.h"
-#include "log.h"
-#include "procfile.h"
-#include "../config.h"
-#include "web_buffer.h"
-#ifdef NETDATA_INTERNAL_CHECKS
-#include <sys/prctl.h>
-#endif
+
+// ----------------------------------------------------------------------------
+// string lengths
#define MAX_COMPARE_NAME 100
#define MAX_NAME 100
#define MAX_CMDLINE 1024
-// the rates we are going to send to netdata
-// will have this detail
-// a value of:
-// 1 will send just integer parts to netdata
-// 100 will send 2 decimal points
-// 1000 will send 3 decimal points
+
+// ----------------------------------------------------------------------------
+// the rates we are going to send to netdata will have this detail a value of:
+// - 1 will send just integer parts to netdata
+// - 100 will send 2 decimal points
+// - 1000 will send 3 decimal points
// etc.
#define RATES_DETAIL 10000ULL
-int processors = 1;
-pid_t pid_max = 32768;
-int debug = 0;
-int update_every = 1;
-unsigned long long global_iterations_counter = 1;
-unsigned long long file_counter = 0;
-int proc_pid_cmdline_is_needed = 0;
-int include_exited_childs = 1;
-char *host_prefix = "";
-char *config_dir = CONFIG_DIR;
+// ----------------------------------------------------------------------------
+// to avoid reallocating too frequently, we can increase the number of spare
+// file descriptors used by processes.
+// IMPORTANT:
+// having a lot of spares, increases the CPU utilization of the plugin.
+#define MAX_SPARE_FDS 1
+
+
+// ----------------------------------------------------------------------------
+// command line options
-pid_t *all_pids_sortlist = NULL;
+static int
+ debug = 0,
+ update_every = 1,
+ enable_guest_charts = 0,
+ enable_file_charts = 1,
+ enable_users_charts = 1,
+ enable_groups_charts = 1,
+ include_exited_childs = 1;
-// will be automatically set to 1, if guest values are collected
-int show_guest_time = 0;
-int show_guest_time_old = 0;
-int enable_guest_charts = 0;
+// will be changed to getenv(NETDATA_CONFIG_DIR) if it exists
+static char *config_dir = CONFIG_DIR;
// ----------------------------------------------------------------------------
+// internal flags
+// handled in code (automatically set)
-void netdata_cleanup_and_exit(int ret) {
- exit(ret);
-}
+static int
+ show_guest_time = 0, // 1 when guest values are collected
+ show_guest_time_old = 0,
+ proc_pid_cmdline_is_needed = 0; // 1 when we need to read /proc/cmdline
// ----------------------------------------------------------------------------
-// system functions
-// to retrieve settings of the system
+// internal counters
-long get_system_cpus(void) {
- procfile *ff = NULL;
+static size_t
+ global_iterations_counter = 1,
+ file_counter = 0;
- int processors = 0;
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
+// ----------------------------------------------------------------------------
+// Normalization
+//
+// With normalization we lower the collected metrics by a factor to make them
+// match the total utilization of the system.
+// The discrepancy exists because apps.plugin needs some time to collect all
+// the metrics. This results in utilization that exceeds the total utilization
+// of the system.
+//
+// With normalization we align the per-process utilization, to the total of
+// the system. We first consume the exited children utilization and it the
+// collected values is above the total, we proportionally scale each reported
+// metric.
+
+// the total system time, as reported by /proc/stat
+static kernel_uint_t
+ global_utime = 0,
+ global_stime = 0,
+ global_gtime = 0;
+
+
+// the normalization ratios, as calculated by normalize_utilization()
+double utime_fix_ratio = 1.0,
+ stime_fix_ratio = 1.0,
+ gtime_fix_ratio = 1.0,
+ minflt_fix_ratio = 1.0,
+ majflt_fix_ratio = 1.0,
+ cutime_fix_ratio = 1.0,
+ cstime_fix_ratio = 1.0,
+ cgtime_fix_ratio = 1.0,
+ cminflt_fix_ratio = 1.0,
+ cmajflt_fix_ratio = 1.0;
- ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
- if(!ff) return 1;
- ff = procfile_readall(ff);
- if(!ff) {
- procfile_close(ff);
- return 1;
- }
+// ----------------------------------------------------------------------------
+// target
+//
+// target is the structure that processes are aggregated to be reported
+// to netdata.
+//
+// - Each entry in /etc/apps_groups.conf creates a target.
+// - Each user and group used by a process in the system, creates a target.
- unsigned int i;
- for(i = 0; i < procfile_lines(ff); i++) {
- if(!procfile_linewords(ff, i)) continue;
+struct target {
+ char compare[MAX_COMPARE_NAME + 1];
+ uint32_t comparehash;
+ size_t comparelen;
+
+ char id[MAX_NAME + 1];
+ uint32_t idhash;
+
+ char name[MAX_NAME + 1];
+
+ uid_t uid;
+ gid_t gid;
+
+ kernel_uint_t minflt;
+ kernel_uint_t cminflt;
+ kernel_uint_t majflt;
+ kernel_uint_t cmajflt;
+ kernel_uint_t utime;
+ kernel_uint_t stime;
+ kernel_uint_t gtime;
+ kernel_uint_t cutime;
+ kernel_uint_t cstime;
+ kernel_uint_t cgtime;
+ kernel_uint_t num_threads;
+ // kernel_uint_t rss;
+
+ kernel_uint_t statm_size;
+ kernel_uint_t statm_resident;
+ kernel_uint_t statm_share;
+ // kernel_uint_t statm_text;
+ // kernel_uint_t statm_lib;
+ // kernel_uint_t statm_data;
+ // kernel_uint_t statm_dirty;
+
+ kernel_uint_t io_logical_bytes_read;
+ kernel_uint_t io_logical_bytes_written;
+ // kernel_uint_t io_read_calls;
+ // kernel_uint_t io_write_calls;
+ kernel_uint_t io_storage_bytes_read;
+ kernel_uint_t io_storage_bytes_written;
+ // kernel_uint_t io_cancelled_write_bytes;
+
+ int *target_fds;
+ int target_fds_size;
+
+ kernel_uint_t openfiles;
+ kernel_uint_t openpipes;
+ kernel_uint_t opensockets;
+ kernel_uint_t openinotifies;
+ kernel_uint_t openeventfds;
+ kernel_uint_t opentimerfds;
+ kernel_uint_t opensignalfds;
+ kernel_uint_t openeventpolls;
+ kernel_uint_t openother;
+
+ unsigned int processes; // how many processes have been merged to this
+ int exposed; // if set, we have sent this to netdata
+ int hidden; // if set, we set the hidden flag on the dimension
+ int debug;
+ int ends_with;
+ int starts_with; // if set, the compare string matches only the
+ // beginning of the command
+
+ struct target *target; // the one that will be reported to netdata
+ struct target *next;
+};
- if(strncmp(procfile_lineword(ff, i, 0), "cpu", 3) == 0) processors++;
- }
- processors--;
- if(processors < 1) processors = 1;
+struct target
+ *apps_groups_default_target = NULL, // the default target
+ *apps_groups_root_target = NULL, // apps_groups.conf defined
+ *users_root_target = NULL, // users
+ *groups_root_target = NULL; // user groups
- procfile_close(ff);
- return processors;
-}
+size_t
+ apps_groups_targets_count = 0; // # of apps_groups.conf targets
-pid_t get_system_pid_max(void) {
- procfile *ff = NULL;
- pid_t mpid = 32768;
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
- ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
- if(!ff) return mpid;
+// ----------------------------------------------------------------------------
+// pid_stat
+//
+// structure to store data for each process running
+// see: man proc for the description of the fields
- ff = procfile_readall(ff);
- if(!ff) {
- procfile_close(ff);
- return mpid;
- }
+struct pid_stat {
+ int32_t pid;
+ char comm[MAX_COMPARE_NAME + 1];
+ char cmdline[MAX_CMDLINE + 1];
+
+ uint32_t log_thrown;
+
+ // char state;
+ int32_t ppid;
+ // int32_t pgrp;
+ // int32_t session;
+ // int32_t tty_nr;
+ // int32_t tpgid;
+ // uint64_t flags;
+
+ // these are raw values collected
+ kernel_uint_t minflt_raw;
+ kernel_uint_t cminflt_raw;
+ kernel_uint_t majflt_raw;
+ kernel_uint_t cmajflt_raw;
+ kernel_uint_t utime_raw;
+ kernel_uint_t stime_raw;
+ kernel_uint_t gtime_raw; // guest_time
+ kernel_uint_t cutime_raw;
+ kernel_uint_t cstime_raw;
+ kernel_uint_t cgtime_raw; // cguest_time
+
+ // these are rates
+ kernel_uint_t minflt;
+ kernel_uint_t cminflt;
+ kernel_uint_t majflt;
+ kernel_uint_t cmajflt;
+ kernel_uint_t utime;
+ kernel_uint_t stime;
+ kernel_uint_t gtime;
+ kernel_uint_t cutime;
+ kernel_uint_t cstime;
+ kernel_uint_t cgtime;
+
+ // int64_t priority;
+ // int64_t nice;
+ int32_t num_threads;
+ // int64_t itrealvalue;
+ // kernel_uint_t starttime;
+ // kernel_uint_t vsize;
+ // kernel_uint_t rss;
+ // kernel_uint_t rsslim;
+ // kernel_uint_t starcode;
+ // kernel_uint_t endcode;
+ // kernel_uint_t startstack;
+ // kernel_uint_t kstkesp;
+ // kernel_uint_t kstkeip;
+ // uint64_t signal;
+ // uint64_t blocked;
+ // uint64_t sigignore;
+ // uint64_t sigcatch;
+ // uint64_t wchan;
+ // uint64_t nswap;
+ // uint64_t cnswap;
+ // int32_t exit_signal;
+ // int32_t processor;
+ // uint32_t rt_priority;
+ // uint32_t policy;
+ // kernel_uint_t delayacct_blkio_ticks;
+
+ uid_t uid;
+ gid_t gid;
+
+ kernel_uint_t statm_size;
+ kernel_uint_t statm_resident;
+ kernel_uint_t statm_share;
+ // kernel_uint_t statm_text;
+ // kernel_uint_t statm_lib;
+ // kernel_uint_t statm_data;
+ // kernel_uint_t statm_dirty;
+
+ kernel_uint_t io_logical_bytes_read_raw;
+ kernel_uint_t io_logical_bytes_written_raw;
+ // kernel_uint_t io_read_calls_raw;
+ // kernel_uint_t io_write_calls_raw;
+ kernel_uint_t io_storage_bytes_read_raw;
+ kernel_uint_t io_storage_bytes_written_raw;
+ // kernel_uint_t io_cancelled_write_bytes_raw;
+
+ kernel_uint_t io_logical_bytes_read;
+ kernel_uint_t io_logical_bytes_written;
+ // kernel_uint_t io_read_calls;
+ // kernel_uint_t io_write_calls;
+ kernel_uint_t io_storage_bytes_read;
+ kernel_uint_t io_storage_bytes_written;
+ // kernel_uint_t io_cancelled_write_bytes;
+
+ int *fds; // array of fds it uses
+ int fds_size; // the size of the fds array
+
+ int children_count; // number of processes directly referencing this
+ char keep:1; // 1 when we need to keep this process in memory even after it exited
+ int keeploops; // increases by 1 every time keep is 1 and updated 0
+ char updated:1; // 1 when the process is currently running
+ char merged:1; // 1 when it has been merged to its parent
+ char new_entry:1; // 1 when this is a new process, just saw for the first time
+ char read:1; // 1 when we have already read this process for this iteration
+
+ int sortlist; // higher numbers = top on the process tree
+ // each process gets a unique number
+
+ struct target *target; // app_groups.conf targets
+ struct target *user_target; // uid based targets
+ struct target *group_target; // gid based targets
+
+ usec_t stat_collected_usec;
+ usec_t last_stat_collected_usec;
+
+ usec_t io_collected_usec;
+ usec_t last_io_collected_usec;
+
+ char *fds_dirname; // the full directory name in /proc/PID/fd
+
+ char *stat_filename;
+ char *statm_filename;
+ char *io_filename;
+ char *cmdline_filename;
+
+ struct pid_stat *parent;
+ struct pid_stat *prev;
+ struct pid_stat *next;
+};
- mpid = (pid_t)atoi(procfile_lineword(ff, 0, 0));
- if(!mpid) mpid = 32768;
+// log each problem once per process
+// log flood protection flags (log_thrown)
+#define PID_LOG_IO 0x00000001
+#define PID_LOG_STATM 0x00000002
+#define PID_LOG_CMDLINE 0x00000004
+#define PID_LOG_FDS 0x00000008
+#define PID_LOG_STAT 0x00000010
- procfile_close(ff);
- return mpid;
-}
+static struct pid_stat
+ *root_of_pids = NULL, // global list of all processes running
+ **all_pids = NULL; // to avoid allocations, we pre-allocate the
+ // the entire pid space.
-// ----------------------------------------------------------------------------
-// target
-// target is the structure that process data are aggregated
+static size_t
+ all_pids_count = 0; // the number of processes running
-struct target {
- char compare[MAX_COMPARE_NAME + 1];
- uint32_t comparehash;
- size_t comparelen;
-
- char id[MAX_NAME + 1];
- uint32_t idhash;
-
- char name[MAX_NAME + 1];
-
- uid_t uid;
- gid_t gid;
-
- unsigned long long minflt;
- unsigned long long cminflt;
- unsigned long long majflt;
- unsigned long long cmajflt;
- unsigned long long utime;
- unsigned long long stime;
- unsigned long long gtime;
- unsigned long long cutime;
- unsigned long long cstime;
- unsigned long long cgtime;
- unsigned long long num_threads;
- unsigned long long rss;
-
- unsigned long long statm_size;
- unsigned long long statm_resident;
- unsigned long long statm_share;
- unsigned long long statm_text;
- unsigned long long statm_lib;
- unsigned long long statm_data;
- unsigned long long statm_dirty;
-
- unsigned long long io_logical_bytes_read;
- unsigned long long io_logical_bytes_written;
- unsigned long long io_read_calls;
- unsigned long long io_write_calls;
- unsigned long long io_storage_bytes_read;
- unsigned long long io_storage_bytes_written;
- unsigned long long io_cancelled_write_bytes;
-
- int *fds;
- unsigned long long openfiles;
- unsigned long long openpipes;
- unsigned long long opensockets;
- unsigned long long openinotifies;
- unsigned long long openeventfds;
- unsigned long long opentimerfds;
- unsigned long long opensignalfds;
- unsigned long long openeventpolls;
- unsigned long long openother;
-
- unsigned long processes; // how many processes have been merged to this
- int exposed; // if set, we have sent this to netdata
- int hidden; // if set, we set the hidden flag on the dimension
- int debug;
- int ends_with;
- int starts_with; // if set, the compare string matches only the
- // beginning of the command
-
- struct target *target; // the one that will be reported to netdata
- struct target *next;
-};
+// Another pre-allocated list of all possible pids.
+// We need it to pids and assign them a unique sortlist id, so that we
+// read parents before children. This is needed to prevent a situation where
+// a child is found running, but until we read its parent, it has exited and
+// its parent has accumulated its resources.
+static pid_t
+ *all_pids_sortlist = NULL;
// ----------------------------------------------------------------------------
-// apps_groups.conf
-// aggregate all processes in groups, to have a limited number of dimensions
+// file descriptor
+//
+// this is used to keep a global list of all open files of the system.
+// it is needed in order to calculate the unique files processes have open.
+
+#define FILE_DESCRIPTORS_INCREASE_STEP 100
-struct target *apps_groups_root_target = NULL;
-struct target *apps_groups_default_target = NULL;
-long apps_groups_targets = 0;
+// types for struct file_descriptor->type
+typedef enum fd_filetype {
+ FILETYPE_OTHER,
+ FILETYPE_FILE,
+ FILETYPE_PIPE,
+ FILETYPE_SOCKET,
+ FILETYPE_INOTIFY,
+ FILETYPE_EVENTFD,
+ FILETYPE_EVENTPOLL,
+ FILETYPE_TIMERFD,
+ FILETYPE_SIGNALFD
+} FD_FILETYPE;
-struct target *users_root_target = NULL;
-struct target *groups_root_target = NULL;
+struct file_descriptor {
+ avl avl;
-struct target *get_users_target(uid_t uid)
-{
- struct target *w;
- for(w = users_root_target ; w ; w = w->next)
- if(w->uid == uid) return w;
+#ifdef NETDATA_INTERNAL_CHECKS
+ uint32_t magic;
+#endif /* NETDATA_INTERNAL_CHECKS */
+
+ const char *name;
+ uint32_t hash;
+
+ FD_FILETYPE type;
+ int count;
+ int pos;
+} *all_files = NULL;
+
+static int
+ all_files_len = 0,
+ all_files_size = 0;
+
+// ----------------------------------------------------------------------------
+// callback required by fatal()
+
+void netdata_cleanup_and_exit(int ret) {
+ exit(ret);
+}
+
+// ----------------------------------------------------------------------------
+// apps_groups.conf
+// aggregate all processes in groups, to have a limited number of dimensions
- w = calloc(sizeof(struct target), 1);
- if(unlikely(!w)) {
- error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
- return NULL;
- }
+static struct target *get_users_target(uid_t uid) {
+ struct target *w;
+ for(w = users_root_target ; w ; w = w->next)
+ if(w->uid == uid) return w;
- snprintfz(w->compare, MAX_COMPARE_NAME, "%u", uid);
- w->comparehash = simple_hash(w->compare);
- w->comparelen = strlen(w->compare);
+ w = callocz(sizeof(struct target), 1);
+ snprintfz(w->compare, MAX_COMPARE_NAME, "%u", uid);
+ w->comparehash = simple_hash(w->compare);
+ w->comparelen = strlen(w->compare);
- snprintfz(w->id, MAX_NAME, "%u", uid);
- w->idhash = simple_hash(w->id);
+ snprintfz(w->id, MAX_NAME, "%u", uid);
+ w->idhash = simple_hash(w->id);
- struct passwd *pw = getpwuid(uid);
- if(!pw)
- snprintfz(w->name, MAX_NAME, "%u", uid);
- else
- snprintfz(w->name, MAX_NAME, "%s", pw->pw_name);
+ struct passwd *pw = getpwuid(uid);
+ if(!pw)
+ snprintfz(w->name, MAX_NAME, "%u", uid);
+ else
+ snprintfz(w->name, MAX_NAME, "%s", pw->pw_name);
- netdata_fix_chart_name(w->name);
+ netdata_fix_chart_name(w->name);
- w->uid = uid;
+ w->uid = uid;
- w->next = users_root_target;
- users_root_target = w;
+ w->next = users_root_target;
+ users_root_target = w;
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: added uid %u ('%s') target\n", w->uid, w->name);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: added uid %u ('%s') target\n", w->uid, w->name);
- return w;
+ return w;
}
struct target *get_groups_target(gid_t gid)
{
- struct target *w;
- for(w = groups_root_target ; w ; w = w->next)
- if(w->gid == gid) return w;
+ struct target *w;
+ for(w = groups_root_target ; w ; w = w->next)
+ if(w->gid == gid) return w;
- w = calloc(sizeof(struct target), 1);
- if(unlikely(!w)) {
- error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
- return NULL;
- }
+ w = callocz(sizeof(struct target), 1);
+ snprintfz(w->compare, MAX_COMPARE_NAME, "%u", gid);
+ w->comparehash = simple_hash(w->compare);
+ w->comparelen = strlen(w->compare);
- snprintfz(w->compare, MAX_COMPARE_NAME, "%u", gid);
- w->comparehash = simple_hash(w->compare);
- w->comparelen = strlen(w->compare);
+ snprintfz(w->id, MAX_NAME, "%u", gid);
+ w->idhash = simple_hash(w->id);
- snprintfz(w->id, MAX_NAME, "%u", gid);
- w->idhash = simple_hash(w->id);
+ struct group *gr = getgrgid(gid);
+ if(!gr)
+ snprintfz(w->name, MAX_NAME, "%u", gid);
+ else
+ snprintfz(w->name, MAX_NAME, "%s", gr->gr_name);
- struct group *gr = getgrgid(gid);
- if(!gr)
- snprintfz(w->name, MAX_NAME, "%u", gid);
- else
- snprintfz(w->name, MAX_NAME, "%s", gr->gr_name);
+ netdata_fix_chart_name(w->name);
- netdata_fix_chart_name(w->name);
+ w->gid = gid;
- w->gid = gid;
+ w->next = groups_root_target;
+ groups_root_target = w;
- w->next = groups_root_target;
- groups_root_target = w;
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: added gid %u ('%s') target\n", w->gid, w->name);
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: added gid %u ('%s') target\n", w->gid, w->name);
-
- return w;
+ return w;
}
// find or create a new target
// there are targets that are just aggregated to other target (the second argument)
-struct target *get_apps_groups_target(const char *id, struct target *target)
-{
- int tdebug = 0, thidden = 0, ends_with = 0;
- const char *nid = id;
-
- while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') {
- if(nid[0] == '-') thidden = 1;
- if(nid[0] == '+') tdebug = 1;
- if(nid[0] == '*') ends_with = 1;
- nid++;
- }
- uint32_t hash = simple_hash(id);
-
- struct target *w, *last = apps_groups_root_target;
- for(w = apps_groups_root_target ; w ; w = w->next) {
- if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0)
- return w;
-
- last = w;
- }
-
- w = calloc(sizeof(struct target), 1);
- if(unlikely(!w)) {
- error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
- return NULL;
- }
-
- strncpyz(w->id, nid, MAX_NAME);
- w->idhash = simple_hash(w->id);
-
- strncpyz(w->name, nid, MAX_NAME);
-
- strncpyz(w->compare, nid, MAX_COMPARE_NAME);
- int len = strlen(w->compare);
- if(w->compare[len - 1] == '*') {
- w->compare[len - 1] = '\0';
- w->starts_with = 1;
- }
- w->ends_with = ends_with;
-
- if(w->starts_with && w->ends_with)
- proc_pid_cmdline_is_needed = 1;
-
- w->comparehash = simple_hash(w->compare);
- w->comparelen = strlen(w->compare);
-
- w->hidden = thidden;
- w->debug = tdebug;
- w->target = target;
-
- // append it, to maintain the order in apps_groups.conf
- if(last) last->next = w;
- else apps_groups_root_target = w;
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
- , w->id
- , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
- , w->target?w->target->id:w->id
- , (w->hidden)?"hidden":"-"
- , (w->debug)?"debug":"-"
- );
-
- return w;
+static struct target *get_apps_groups_target(const char *id, struct target *target, const char *name) {
+ int tdebug = 0, thidden = target?target->hidden:0, ends_with = 0;
+ const char *nid = id;
+
+ // extract the options
+ while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') {
+ if(nid[0] == '-') thidden = 1;
+ if(nid[0] == '+') tdebug = 1;
+ if(nid[0] == '*') ends_with = 1;
+ nid++;
+ }
+ uint32_t hash = simple_hash(id);
+
+ // find if it already exists
+ struct target *w, *last = apps_groups_root_target;
+ for(w = apps_groups_root_target ; w ; w = w->next) {
+ if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0)
+ return w;
+
+ last = w;
+ }
+
+ // find an existing target
+ if(unlikely(!target)) {
+ while(*name == '-') {
+ if(*name == '-') thidden = 1;
+ name++;
+ }
+
+ for(target = apps_groups_root_target ; target != NULL ; target = target->next) {
+ if(!target->target && strcmp(name, target->name) == 0)
+ break;
+ }
+
+ if(unlikely(debug)) {
+ if(unlikely(target))
+ fprintf(stderr, "apps.plugin: REUSING TARGET NAME '%s' on ID '%s'\n", target->name, target->id);
+ else
+ fprintf(stderr, "apps.plugin: NEW TARGET NAME '%s' on ID '%s'\n", name, id);
+ }
+ }
+
+ if(target && target->target)
+ fatal("Internal Error: request to link process '%s' to target '%s' which is linked to target '%s'", id, target->id, target->target->id);
+
+ w = callocz(sizeof(struct target), 1);
+ strncpyz(w->id, nid, MAX_NAME);
+ w->idhash = simple_hash(w->id);
+
+ if(unlikely(!target))
+ // copy the name
+ strncpyz(w->name, name, MAX_NAME);
+ else
+ // copy the id
+ strncpyz(w->name, nid, MAX_NAME);
+
+ strncpyz(w->compare, nid, MAX_COMPARE_NAME);
+ size_t len = strlen(w->compare);
+ if(w->compare[len - 1] == '*') {
+ w->compare[len - 1] = '\0';
+ w->starts_with = 1;
+ }
+ w->ends_with = ends_with;
+
+ if(w->starts_with && w->ends_with)
+ proc_pid_cmdline_is_needed = 1;
+
+ w->comparehash = simple_hash(w->compare);
+ w->comparelen = strlen(w->compare);
+
+ w->hidden = thidden;
+ w->debug = tdebug;
+ w->target = target;
+
+ // append it, to maintain the order in apps_groups.conf
+ if(last) last->next = w;
+ else apps_groups_root_target = w;
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
+ , w->id
+ , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
+ , w->target?w->target->name:w->name
+ , (w->hidden)?"hidden":"-"
+ , (w->debug)?"debug":"-"
+ );
+
+ return w;
}
// read the apps_groups.conf file
-int read_apps_groups_conf(const char *name)
+static int read_apps_groups_conf(const char *file)
{
- char filename[FILENAME_MAX + 1];
-
- snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, name);
+ char filename[FILENAME_MAX + 1];
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
+ snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, file);
- // ----------------------------------------
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
- procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT);
- if(!ff) return 1;
+ // ----------------------------------------
- procfile_set_quotes(ff, "'\"");
+ procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT);
+ if(!ff) return 1;
- ff = procfile_readall(ff);
- if(!ff) {
- procfile_close(ff);
- return 1;
- }
+ procfile_set_quotes(ff, "'\"");
- unsigned long line, lines = procfile_lines(ff);
+ ff = procfile_readall(ff);
+ if(!ff)
+ return 1;
- for(line = 0; line < lines ;line++) {
- unsigned long word, words = procfile_linewords(ff, line);
- struct target *w = NULL;
+ size_t line, lines = procfile_lines(ff);
- char *t = procfile_lineword(ff, line, 0);
- if(!t || !*t) continue;
+ for(line = 0; line < lines ;line++) {
+ size_t word, words = procfile_linewords(ff, line);
+ if(!words) continue;
- for(word = 0; word < words ;word++) {
- char *s = procfile_lineword(ff, line, word);
- if(!s || !*s) continue;
- if(*s == '#') break;
+ char *name = procfile_lineword(ff, line, 0);
+ if(!name || !*name) continue;
- if(t == s) continue;
+ // find a possibly existing target
+ struct target *w = NULL;
- struct target *n = get_apps_groups_target(s, w);
- if(!n) {
- error("Cannot create target '%s' (line %lu, word %lu)", s, line, word);
- continue;
- }
+ // loop through all words, skipping the first one (the name)
+ for(word = 0; word < words ;word++) {
+ char *s = procfile_lineword(ff, line, word);
+ if(!s || !*s) continue;
+ if(*s == '#') break;
- if(!w) w = n;
- }
+ // is this the first word? skip it
+ if(s == name) continue;
- if(w) {
- int tdebug = 0, thidden = 0;
+ // add this target
+ struct target *n = get_apps_groups_target(s, w, name);
+ if(!n) {
+ error("Cannot create target '%s' (line %zu, word %zu)", s, line, word);
+ continue;
+ }
- while(t[0] == '-' || t[0] == '+') {
- if(t[0] == '-') thidden = 1;
- if(t[0] == '+') tdebug = 1;
- t++;
- }
-
- strncpyz(w->name, t, MAX_NAME);
- w->hidden = thidden;
- w->debug = tdebug;
+ // just some optimization
+ // to avoid searching for a target for each process
+ if(!w) w = n->target?n->target:n;
+ }
+ }
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: AGGREGATION TARGET NAME '%s' on ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
- , w->name
- , w->id
- , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
- , w->target?w->target->id:w->id
- , (w->hidden)?"hidden":"-"
- , (w->debug)?"debug":"-"
- );
- }
- }
+ procfile_close(ff);
- procfile_close(ff);
+ apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL, "other"); // match nothing
+ if(!apps_groups_default_target)
+ fatal("Cannot create default target");
- apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
- if(!apps_groups_default_target)
- error("Cannot create default target");
- else
- strncpyz(apps_groups_default_target->name, "other", MAX_NAME);
+ // allow the user to override group 'other'
+ if(apps_groups_default_target->target)
+ apps_groups_default_target = apps_groups_default_target->target;
- return 0;
+ return 0;
}
// ----------------------------------------------------------------------------
-// data to store for each pid
-// see: man proc
+// struct pid_stat management
-struct pid_stat {
- int32_t pid;
- char comm[MAX_COMPARE_NAME + 1];
- char cmdline[MAX_CMDLINE + 1];
-
- // char state;
- int32_t ppid;
- // int32_t pgrp;
- // int32_t session;
- // int32_t tty_nr;
- // int32_t tpgid;
- // uint64_t flags;
-
- // these are raw values collected
- unsigned long long minflt_raw;
- unsigned long long cminflt_raw;
- unsigned long long majflt_raw;
- unsigned long long cmajflt_raw;
- unsigned long long utime_raw;
- unsigned long long stime_raw;
- unsigned long long gtime_raw; // guest_time
- unsigned long long cutime_raw;
- unsigned long long cstime_raw;
- unsigned long long cgtime_raw; // cguest_time
-
- // these are rates
- unsigned long long minflt;
- unsigned long long cminflt;
- unsigned long long majflt;
- unsigned long long cmajflt;
- unsigned long long utime;
- unsigned long long stime;
- unsigned long long gtime;
- unsigned long long cutime;
- unsigned long long cstime;
- unsigned long long cgtime;
-
- // int64_t priority;
- // int64_t nice;
- int32_t num_threads;
- // int64_t itrealvalue;
- // unsigned long long starttime;
- // unsigned long long vsize;
- unsigned long long rss;
- // unsigned long long rsslim;
- // unsigned long long starcode;
- // unsigned long long endcode;
- // unsigned long long startstack;
- // unsigned long long kstkesp;
- // unsigned long long kstkeip;
- // uint64_t signal;
- // uint64_t blocked;
- // uint64_t sigignore;
- // uint64_t sigcatch;
- // uint64_t wchan;
- // uint64_t nswap;
- // uint64_t cnswap;
- // int32_t exit_signal;
- // int32_t processor;
- // uint32_t rt_priority;
- // uint32_t policy;
- // unsigned long long delayacct_blkio_ticks;
-
- uid_t uid;
- gid_t gid;
-
- unsigned long long statm_size;
- unsigned long long statm_resident;
- unsigned long long statm_share;
- unsigned long long statm_text;
- unsigned long long statm_lib;
- unsigned long long statm_data;
- unsigned long long statm_dirty;
-
- unsigned long long io_logical_bytes_read_raw;
- unsigned long long io_logical_bytes_written_raw;
- unsigned long long io_read_calls_raw;
- unsigned long long io_write_calls_raw;
- unsigned long long io_storage_bytes_read_raw;
- unsigned long long io_storage_bytes_written_raw;
- unsigned long long io_cancelled_write_bytes_raw;
-
- unsigned long long io_logical_bytes_read;
- unsigned long long io_logical_bytes_written;
- unsigned long long io_read_calls;
- unsigned long long io_write_calls;
- unsigned long long io_storage_bytes_read;
- unsigned long long io_storage_bytes_written;
- unsigned long long io_cancelled_write_bytes;
-
- int *fds; // array of fds it uses
- int fds_size; // the size of the fds array
-
- int children_count; // number of processes directly referencing this
- int keep; // 1 when we need to keep this process in memory even after it exited
- int keeploops; // increases by 1 every time keep is 1 and updated 0
- int updated; // 1 when the process is currently running
- int merged; // 1 when it has been merged to its parent
- int new_entry; // 1 when this is a new process, just saw for the first time
- int read; // 1 when we have already read this process for this iteration
- int sortlist; // higher numbers = top on the process tree
- // each process gets a unique number
-
- struct target *target; // app_groups.conf targets
- struct target *user_target; // uid based targets
- struct target *group_target; // gid based targets
-
- unsigned long long stat_collected_usec;
- unsigned long long last_stat_collected_usec;
-
- unsigned long long io_collected_usec;
- unsigned long long last_io_collected_usec;
-
- char *stat_filename;
- char *statm_filename;
- char *io_filename;
- char *cmdline_filename;
-
- struct pid_stat *parent;
- struct pid_stat *prev;
- struct pid_stat *next;
-} *root_of_pids = NULL, **all_pids;
-
-long all_pids_count = 0;
-
-struct pid_stat *get_pid_entry(pid_t pid) {
- if(all_pids[pid]) {
- all_pids[pid]->new_entry = 0;
- return all_pids[pid];
- }
-
- all_pids[pid] = calloc(sizeof(struct pid_stat), 1);
- if(!all_pids[pid]) {
- error("Cannot allocate %zu bytes of memory", (size_t)sizeof(struct pid_stat));
- return NULL;
- }
-
- all_pids[pid]->fds = calloc(sizeof(int), 100);
- if(!all_pids[pid]->fds)
- error("Cannot allocate %zu bytes of memory", (size_t)(sizeof(int) * 100));
- else all_pids[pid]->fds_size = 100;
-
- if(root_of_pids) root_of_pids->prev = all_pids[pid];
- all_pids[pid]->next = root_of_pids;
- root_of_pids = all_pids[pid];
-
- all_pids[pid]->pid = pid;
- all_pids[pid]->new_entry = 1;
-
- all_pids_count++;
-
- return all_pids[pid];
+static inline struct pid_stat *get_pid_entry(pid_t pid) {
+ if(unlikely(all_pids[pid])) {
+ all_pids[pid]->new_entry = 0;
+ return all_pids[pid];
+ }
+
+ all_pids[pid] = callocz(sizeof(struct pid_stat), 1);
+ all_pids[pid]->fds = callocz(sizeof(int), MAX_SPARE_FDS);
+ all_pids[pid]->fds_size = MAX_SPARE_FDS;
+
+ if(likely(root_of_pids))
+ root_of_pids->prev = all_pids[pid];
+
+ all_pids[pid]->next = root_of_pids;
+ root_of_pids = all_pids[pid];
+
+ all_pids[pid]->pid = pid;
+ all_pids[pid]->new_entry = 1;
+
+ all_pids_count++;
+
+ return all_pids[pid];
}
-void del_pid_entry(pid_t pid) {
- if(!all_pids[pid]) {
- error("attempted to free pid %d that is not allocated.", pid);
- return;
- }
+static inline void del_pid_entry(pid_t pid) {
+ if(unlikely(!all_pids[pid])) {
+ error("attempted to free pid %d that is not allocated.", pid);
+ return;
+ }
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
+ if(root_of_pids == all_pids[pid])
+ root_of_pids = all_pids[pid]->next;
- if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next;
- if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
- if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next;
+ if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
+ if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next;
- if(all_pids[pid]->fds) free(all_pids[pid]->fds);
- if(all_pids[pid]->stat_filename) free(all_pids[pid]->stat_filename);
- if(all_pids[pid]->statm_filename) free(all_pids[pid]->statm_filename);
- if(all_pids[pid]->io_filename) free(all_pids[pid]->io_filename);
- if(all_pids[pid]->cmdline_filename) free(all_pids[pid]->cmdline_filename);
- free(all_pids[pid]);
+ freez(all_pids[pid]->fds);
+ freez(all_pids[pid]->fds_dirname);
+ freez(all_pids[pid]->stat_filename);
+ freez(all_pids[pid]->statm_filename);
+ freez(all_pids[pid]->io_filename);
+ freez(all_pids[pid]->cmdline_filename);
+ freez(all_pids[pid]);
- all_pids[pid] = NULL;
- all_pids_count--;
+ all_pids[pid] = NULL;
+ all_pids_count--;
}
// ----------------------------------------------------------------------------
// update pids from proc
-int read_proc_pid_cmdline(struct pid_stat *p) {
-
- if(unlikely(!p->cmdline_filename)) {
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", host_prefix, p->pid);
- if(!(p->cmdline_filename = strdup(filename)))
- fatal("Cannot allocate memory for filename '%s'", filename);
- }
+static inline int read_proc_pid_cmdline(struct pid_stat *p) {
+
+ if(unlikely(!p->cmdline_filename)) {
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", global_host_prefix, p->pid);
+ p->cmdline_filename = strdupz(filename);
+ }
- int fd = open(p->cmdline_filename, O_RDONLY, 0666);
- if(unlikely(fd == -1)) goto cleanup;
+ int fd = open(p->cmdline_filename, O_RDONLY, 0666);
+ if(unlikely(fd == -1)) goto cleanup;
- int i, bytes = read(fd, p->cmdline, MAX_CMDLINE);
- close(fd);
+ ssize_t i, bytes = read(fd, p->cmdline, MAX_CMDLINE);
+ close(fd);
- if(unlikely(bytes <= 0)) goto cleanup;
+ if(unlikely(bytes < 0)) goto cleanup;
- p->cmdline[bytes] = '\0';
- for(i = 0; i < bytes ; i++)
- if(unlikely(!p->cmdline[i])) p->cmdline[i] = ' ';
+ p->cmdline[bytes] = '\0';
+ for(i = 0; i < bytes ; i++)
+ if(unlikely(!p->cmdline[i])) p->cmdline[i] = ' ';
- if(unlikely(debug))
- fprintf(stderr, "Read file '%s' contents: %s\n", p->cmdline_filename, p->cmdline);
+ if(unlikely(debug))
+ fprintf(stderr, "Read file '%s' contents: %s\n", p->cmdline_filename, p->cmdline);
- return 0;
+ return 1;
cleanup:
- // copy the command to the command line
- strncpyz(p->cmdline, p->comm, MAX_CMDLINE);
- return 0;
+ // copy the command to the command line
+ strncpyz(p->cmdline, p->comm, MAX_CMDLINE);
+ return 0;
}
-int read_proc_pid_ownership(struct pid_stat *p) {
- if(unlikely(!p->stat_filename)) {
- error("pid %d does not have a stat_filename", p->pid);
- return 1;
- }
+static inline int read_proc_pid_ownership(struct pid_stat *p) {
+ if(unlikely(!p->stat_filename)) {
+ error("pid %d does not have a stat_filename", p->pid);
+ return 0;
+ }
- // ----------------------------------------
- // read uid and gid
+ // ----------------------------------------
+ // read uid and gid
- struct stat st;
- if(stat(p->stat_filename, &st) != 0) {
- error("Cannot stat file '%s'", p->stat_filename);
- return 1;
- }
+ struct stat st;
+ if(stat(p->stat_filename, &st) != 0) {
+ error("Cannot stat file '%s'", p->stat_filename);
+ return 1;
+ }
- p->uid = st.st_uid;
- p->gid = st.st_gid;
+ p->uid = st.st_uid;
+ p->gid = st.st_gid;
- return 0;
+ return 1;
}
-int read_proc_pid_stat(struct pid_stat *p) {
- static procfile *ff = NULL;
-
- if(unlikely(!p->stat_filename)) {
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
- if(!(p->stat_filename = strdup(filename)))
- fatal("Cannot allocate memory for filename '%s'", filename);
- }
-
- int set_quotes = (!ff)?1:0;
-
- ff = procfile_reopen(ff, p->stat_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
- if(unlikely(!ff)) goto cleanup;
-
- // if(set_quotes) procfile_set_quotes(ff, "()");
- if(set_quotes) procfile_set_open_close(ff, "(", ")");
-
- ff = procfile_readall(ff);
- if(unlikely(!ff)) goto cleanup;
-
- p->last_stat_collected_usec = p->stat_collected_usec;
- p->stat_collected_usec = timems();
- file_counter++;
-
- // p->pid = atol(procfile_lineword(ff, 0, 0+i));
-
- strncpyz(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME);
-
- // p->state = *(procfile_lineword(ff, 0, 2));
- p->ppid = (int32_t) atol(procfile_lineword(ff, 0, 3));
- // p->pgrp = atol(procfile_lineword(ff, 0, 4));
- // p->session = atol(procfile_lineword(ff, 0, 5));
- // p->tty_nr = atol(procfile_lineword(ff, 0, 6));
- // p->tpgid = atol(procfile_lineword(ff, 0, 7));
- // p->flags = strtoull(procfile_lineword(ff, 0, 8), NULL, 10);
-
- unsigned long long last;
-
- last = p->minflt_raw;
- p->minflt_raw = strtoull(procfile_lineword(ff, 0, 9), NULL, 10);
- p->minflt = (p->minflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->cminflt_raw;
- p->cminflt_raw = strtoull(procfile_lineword(ff, 0, 10), NULL, 10);
- p->cminflt = (p->cminflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->majflt_raw;
- p->majflt_raw = strtoull(procfile_lineword(ff, 0, 11), NULL, 10);
- p->majflt = (p->majflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->cmajflt_raw;
- p->cmajflt_raw = strtoull(procfile_lineword(ff, 0, 12), NULL, 10);
- p->cmajflt = (p->cmajflt_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->utime_raw;
- p->utime_raw = strtoull(procfile_lineword(ff, 0, 13), NULL, 10);
- p->utime = (p->utime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->stime_raw;
- p->stime_raw = strtoull(procfile_lineword(ff, 0, 14), NULL, 10);
- p->stime = (p->stime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->cutime_raw;
- p->cutime_raw = strtoull(procfile_lineword(ff, 0, 15), NULL, 10);
- p->cutime = (p->cutime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->cstime_raw;
- p->cstime_raw = strtoull(procfile_lineword(ff, 0, 16), NULL, 10);
- p->cstime = (p->cstime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- // p->priority = strtoull(procfile_lineword(ff, 0, 17), NULL, 10);
- // p->nice = strtoull(procfile_lineword(ff, 0, 18), NULL, 10);
- p->num_threads = (int32_t) atol(procfile_lineword(ff, 0, 19));
- // p->itrealvalue = strtoull(procfile_lineword(ff, 0, 20), NULL, 10);
- // p->starttime = strtoull(procfile_lineword(ff, 0, 21), NULL, 10);
- // p->vsize = strtoull(procfile_lineword(ff, 0, 22), NULL, 10);
- p->rss = strtoull(procfile_lineword(ff, 0, 23), NULL, 10);
- // p->rsslim = strtoull(procfile_lineword(ff, 0, 24), NULL, 10);
- // p->starcode = strtoull(procfile_lineword(ff, 0, 25), NULL, 10);
- // p->endcode = strtoull(procfile_lineword(ff, 0, 26), NULL, 10);
- // p->startstack = strtoull(procfile_lineword(ff, 0, 27), NULL, 10);
- // p->kstkesp = strtoull(procfile_lineword(ff, 0, 28), NULL, 10);
- // p->kstkeip = strtoull(procfile_lineword(ff, 0, 29), NULL, 10);
- // p->signal = strtoull(procfile_lineword(ff, 0, 30), NULL, 10);
- // p->blocked = strtoull(procfile_lineword(ff, 0, 31), NULL, 10);
- // p->sigignore = strtoull(procfile_lineword(ff, 0, 32), NULL, 10);
- // p->sigcatch = strtoull(procfile_lineword(ff, 0, 33), NULL, 10);
- // p->wchan = strtoull(procfile_lineword(ff, 0, 34), NULL, 10);
- // p->nswap = strtoull(procfile_lineword(ff, 0, 35), NULL, 10);
- // p->cnswap = strtoull(procfile_lineword(ff, 0, 36), NULL, 10);
- // p->exit_signal = atol(procfile_lineword(ff, 0, 37));
- // p->processor = atol(procfile_lineword(ff, 0, 38));
- // p->rt_priority = strtoul(procfile_lineword(ff, 0, 39), NULL, 10);
- // p->policy = strtoul(procfile_lineword(ff, 0, 40), NULL, 10);
- // p->delayacct_blkio_ticks = strtoull(procfile_lineword(ff, 0, 41), NULL, 10);
-
- last = p->gtime_raw;
- p->gtime_raw = strtoull(procfile_lineword(ff, 0, 42), NULL, 10);
- p->gtime = (p->gtime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- last = p->cgtime_raw;
- p->cgtime_raw = strtoull(procfile_lineword(ff, 0, 43), NULL, 10);
- p->cgtime = (p->cgtime_raw - last) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+static inline int read_proc_pid_stat(struct pid_stat *p) {
+ static procfile *ff = NULL;
+
+ if(unlikely(!p->stat_filename)) {
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", global_host_prefix, p->pid);
+ p->stat_filename = strdupz(filename);
+ }
+
+ int set_quotes = (!ff)?1:0;
+
+ ff = procfile_reopen(ff, p->stat_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+ if(unlikely(!ff)) goto cleanup;
+
+ // if(set_quotes) procfile_set_quotes(ff, "()");
+ if(unlikely(set_quotes))
+ procfile_set_open_close(ff, "(", ")");
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) goto cleanup;
+
+ p->last_stat_collected_usec = p->stat_collected_usec;
+ p->stat_collected_usec = now_monotonic_usec();
+ file_counter++;
+
+ // p->pid = str2pid_t(procfile_lineword(ff, 0, 0+i));
+
+ if(unlikely(!p->comm[0]))
+ strncpyz(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME);
+
+ // p->state = *(procfile_lineword(ff, 0, 2));
+ p->ppid = (int32_t)str2pid_t(procfile_lineword(ff, 0, 3));
+ // p->pgrp = (int32_t)str2pid_t(procfile_lineword(ff, 0, 4));
+ // p->session = (int32_t)str2pid_t(procfile_lineword(ff, 0, 5));
+ // p->tty_nr = (int32_t)str2pid_t(procfile_lineword(ff, 0, 6));
+ // p->tpgid = (int32_t)str2pid_t(procfile_lineword(ff, 0, 7));
+ // p->flags = str2uint64_t(procfile_lineword(ff, 0, 8));
+
+ kernel_uint_t last;
+
+ last = p->minflt_raw;
+ p->minflt_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 9));
+ p->minflt = (p->minflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->cminflt_raw;
+ p->cminflt_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 10));
+ p->cminflt = (p->cminflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->majflt_raw;
+ p->majflt_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 11));
+ p->majflt = (p->majflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->cmajflt_raw;
+ p->cmajflt_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 12));
+ p->cmajflt = (p->cmajflt_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->utime_raw;
+ p->utime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 13));
+ p->utime = (p->utime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->stime_raw;
+ p->stime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 14));
+ p->stime = (p->stime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->cutime_raw;
+ p->cutime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 15));
+ p->cutime = (p->cutime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->cstime_raw;
+ p->cstime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 16));
+ p->cstime = (p->cstime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ // p->priority = str2kernel_uint_t(procfile_lineword(ff, 0, 17));
+ // p->nice = str2kernel_uint_t(procfile_lineword(ff, 0, 18));
+ p->num_threads = (int32_t)str2uint32_t(procfile_lineword(ff, 0, 19));
+ // p->itrealvalue = str2kernel_uint_t(procfile_lineword(ff, 0, 20));
+ // p->starttime = str2kernel_uint_t(procfile_lineword(ff, 0, 21));
+ // p->vsize = str2kernel_uint_t(procfile_lineword(ff, 0, 22));
+ // p->rss = str2kernel_uint_t(procfile_lineword(ff, 0, 23));
+ // p->rsslim = str2kernel_uint_t(procfile_lineword(ff, 0, 24));
+ // p->starcode = str2kernel_uint_t(procfile_lineword(ff, 0, 25));
+ // p->endcode = str2kernel_uint_t(procfile_lineword(ff, 0, 26));
+ // p->startstack = str2kernel_uint_t(procfile_lineword(ff, 0, 27));
+ // p->kstkesp = str2kernel_uint_t(procfile_lineword(ff, 0, 28));
+ // p->kstkeip = str2kernel_uint_t(procfile_lineword(ff, 0, 29));
+ // p->signal = str2kernel_uint_t(procfile_lineword(ff, 0, 30));
+ // p->blocked = str2kernel_uint_t(procfile_lineword(ff, 0, 31));
+ // p->sigignore = str2kernel_uint_t(procfile_lineword(ff, 0, 32));
+ // p->sigcatch = str2kernel_uint_t(procfile_lineword(ff, 0, 33));
+ // p->wchan = str2kernel_uint_t(procfile_lineword(ff, 0, 34));
+ // p->nswap = str2kernel_uint_t(procfile_lineword(ff, 0, 35));
+ // p->cnswap = str2kernel_uint_t(procfile_lineword(ff, 0, 36));
+ // p->exit_signal = str2kernel_uint_t(procfile_lineword(ff, 0, 37));
+ // p->processor = str2kernel_uint_t(procfile_lineword(ff, 0, 38));
+ // p->rt_priority = str2kernel_uint_t(procfile_lineword(ff, 0, 39));
+ // p->policy = str2kernel_uint_t(procfile_lineword(ff, 0, 40));
+ // p->delayacct_blkio_ticks = str2kernel_uint_t(procfile_lineword(ff, 0, 41));
if(enable_guest_charts) {
+ last = p->gtime_raw;
+ p->gtime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 42));
+ p->gtime = (p->gtime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
+ last = p->cgtime_raw;
+ p->cgtime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 43));
+ p->cgtime = (p->cgtime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+
if (show_guest_time || p->gtime || p->cgtime) {
p->utime -= (p->utime >= p->gtime) ? p->gtime : p->utime;
p->cutime -= (p->cutime >= p->cgtime) ? p->cgtime : p->cutime;
}
}
- if(unlikely(debug || (p->target && p->target->debug)))
- fprintf(stderr, "apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' on target '%s' (dt=%llu) VALUES: utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", host_prefix, p->pid, p->comm, (p->target)?p->target->name:"UNSET", p->stat_collected_usec - p->last_stat_collected_usec, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
-
- if(unlikely(global_iterations_counter == 1)) {
- p->minflt = 0;
- p->cminflt = 0;
- p->majflt = 0;
- p->cmajflt = 0;
- p->utime = 0;
- p->stime = 0;
- p->gtime = 0;
- p->cutime = 0;
- p->cstime = 0;
- p->cgtime = 0;
- }
+ if(unlikely(debug || (p->target && p->target->debug)))
+ fprintf(stderr, "apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' on target '%s' (dt=%llu) VALUES: utime=" KERNEL_UINT_FORMAT ", stime=" KERNEL_UINT_FORMAT ", cutime=" KERNEL_UINT_FORMAT ", cstime=" KERNEL_UINT_FORMAT ", minflt=" KERNEL_UINT_FORMAT ", majflt=" KERNEL_UINT_FORMAT ", cminflt=" KERNEL_UINT_FORMAT ", cmajflt=" KERNEL_UINT_FORMAT ", threads=%d\n", global_host_prefix, p->pid, p->comm, (p->target)?p->target->name:"UNSET", p->stat_collected_usec - p->last_stat_collected_usec, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
+
+ if(unlikely(global_iterations_counter == 1)) {
+ p->minflt = 0;
+ p->cminflt = 0;
+ p->majflt = 0;
+ p->cmajflt = 0;
+ p->utime = 0;
+ p->stime = 0;
+ p->gtime = 0;
+ p->cutime = 0;
+ p->cstime = 0;
+ p->cgtime = 0;
+ }
- return 0;
+ return 1;
cleanup:
- p->minflt = 0;
- p->cminflt = 0;
- p->majflt = 0;
- p->cmajflt = 0;
- p->utime = 0;
- p->stime = 0;
- p->gtime = 0;
- p->cutime = 0;
- p->cstime = 0;
- p->cgtime = 0;
- p->num_threads = 0;
- p->rss = 0;
- return 1;
+ p->minflt = 0;
+ p->cminflt = 0;
+ p->majflt = 0;
+ p->cmajflt = 0;
+ p->utime = 0;
+ p->stime = 0;
+ p->gtime = 0;
+ p->cutime = 0;
+ p->cstime = 0;
+ p->cgtime = 0;
+ p->num_threads = 0;
+ // p->rss = 0;
+ return 0;
}
-int read_proc_pid_statm(struct pid_stat *p) {
- static procfile *ff = NULL;
+static inline int read_proc_pid_statm(struct pid_stat *p) {
+ static procfile *ff = NULL;
- if(unlikely(!p->statm_filename)) {
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
- if(!(p->statm_filename = strdup(filename)))
- fatal("Cannot allocate memory for filename '%s'", filename);
- }
+ if(unlikely(!p->statm_filename)) {
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", global_host_prefix, p->pid);
+ p->statm_filename = strdupz(filename);
+ }
- ff = procfile_reopen(ff, p->statm_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
- if(unlikely(!ff)) goto cleanup;
+ ff = procfile_reopen(ff, p->statm_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+ if(unlikely(!ff)) goto cleanup;
- ff = procfile_readall(ff);
- if(unlikely(!ff)) goto cleanup;
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) goto cleanup;
- file_counter++;
+ file_counter++;
- p->statm_size = strtoull(procfile_lineword(ff, 0, 0), NULL, 10);
- p->statm_resident = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
- p->statm_share = strtoull(procfile_lineword(ff, 0, 2), NULL, 10);
- p->statm_text = strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
- p->statm_lib = strtoull(procfile_lineword(ff, 0, 4), NULL, 10);
- p->statm_data = strtoull(procfile_lineword(ff, 0, 5), NULL, 10);
- p->statm_dirty = strtoull(procfile_lineword(ff, 0, 6), NULL, 10);
+ p->statm_size = str2kernel_uint_t(procfile_lineword(ff, 0, 0));
+ p->statm_resident = str2kernel_uint_t(procfile_lineword(ff, 0, 1));
+ p->statm_share = str2kernel_uint_t(procfile_lineword(ff, 0, 2));
+ // p->statm_text = str2kernel_uint_t(procfile_lineword(ff, 0, 3));
+ // p->statm_lib = str2kernel_uint_t(procfile_lineword(ff, 0, 4));
+ // p->statm_data = str2kernel_uint_t(procfile_lineword(ff, 0, 5));
+ // p->statm_dirty = str2kernel_uint_t(procfile_lineword(ff, 0, 6));
- return 0;
+ return 1;
cleanup:
- p->statm_size = 0;
- p->statm_resident = 0;
- p->statm_share = 0;
- p->statm_text = 0;
- p->statm_lib = 0;
- p->statm_data = 0;
- p->statm_dirty = 0;
- return 1;
+ p->statm_size = 0;
+ p->statm_resident = 0;
+ p->statm_share = 0;
+ // p->statm_text = 0;
+ // p->statm_lib = 0;
+ // p->statm_data = 0;
+ // p->statm_dirty = 0;
+ return 0;
}
-int read_proc_pid_io(struct pid_stat *p) {
- static procfile *ff = NULL;
+static inline int read_proc_pid_io(struct pid_stat *p) {
+ static procfile *ff = NULL;
- if(unlikely(!p->io_filename)) {
- char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
- if(!(p->io_filename = strdup(filename)))
- fatal("Cannot allocate memory for filename '%s'", filename);
- }
+ if(unlikely(!p->io_filename)) {
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", global_host_prefix, p->pid);
+ p->io_filename = strdupz(filename);
+ }
- // open the file
- ff = procfile_reopen(ff, p->io_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
- if(unlikely(!ff)) goto cleanup;
+ // open the file
+ ff = procfile_reopen(ff, p->io_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+ if(unlikely(!ff)) goto cleanup;
- ff = procfile_readall(ff);
- if(unlikely(!ff)) goto cleanup;
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) goto cleanup;
- file_counter++;
+ file_counter++;
- p->last_io_collected_usec = p->io_collected_usec;
- p->io_collected_usec = timems();
+ p->last_io_collected_usec = p->io_collected_usec;
+ p->io_collected_usec = now_monotonic_usec();
- unsigned long long last;
+ kernel_uint_t last;
- last = p->io_logical_bytes_read_raw;
- p->io_logical_bytes_read_raw = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
- p->io_logical_bytes_read = (p->io_logical_bytes_read_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ last = p->io_logical_bytes_read_raw;
+ p->io_logical_bytes_read_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 1));
+ p->io_logical_bytes_read = (p->io_logical_bytes_read_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
- last = p->io_logical_bytes_written_raw;
- p->io_logical_bytes_written_raw = strtoull(procfile_lineword(ff, 1, 1), NULL, 10);
- p->io_logical_bytes_written = (p->io_logical_bytes_written_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ last = p->io_logical_bytes_written_raw;
+ p->io_logical_bytes_written_raw = str2kernel_uint_t(procfile_lineword(ff, 1, 1));
+ p->io_logical_bytes_written = (p->io_logical_bytes_written_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
- last = p->io_read_calls_raw;
- p->io_read_calls_raw = strtoull(procfile_lineword(ff, 2, 1), NULL, 10);
- p->io_read_calls = (p->io_read_calls_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ // last = p->io_read_calls_raw;
+ // p->io_read_calls_raw = str2kernel_uint_t(procfile_lineword(ff, 2, 1));
+ // p->io_read_calls = (p->io_read_calls_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
- last = p->io_write_calls_raw;
- p->io_write_calls_raw = strtoull(procfile_lineword(ff, 3, 1), NULL, 10);
- p->io_write_calls = (p->io_write_calls_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ // last = p->io_write_calls_raw;
+ // p->io_write_calls_raw = str2kernel_uint_t(procfile_lineword(ff, 3, 1));
+ // p->io_write_calls = (p->io_write_calls_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
- last = p->io_storage_bytes_read_raw;
- p->io_storage_bytes_read_raw = strtoull(procfile_lineword(ff, 4, 1), NULL, 10);
- p->io_storage_bytes_read = (p->io_storage_bytes_read_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ last = p->io_storage_bytes_read_raw;
+ p->io_storage_bytes_read_raw = str2kernel_uint_t(procfile_lineword(ff, 4, 1));
+ p->io_storage_bytes_read = (p->io_storage_bytes_read_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
- last = p->io_storage_bytes_written_raw;
- p->io_storage_bytes_written_raw = strtoull(procfile_lineword(ff, 5, 1), NULL, 10);
- p->io_storage_bytes_written = (p->io_storage_bytes_written_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ last = p->io_storage_bytes_written_raw;
+ p->io_storage_bytes_written_raw = str2kernel_uint_t(procfile_lineword(ff, 5, 1));
+ p->io_storage_bytes_written = (p->io_storage_bytes_written_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
- last = p->io_cancelled_write_bytes_raw;
- p->io_cancelled_write_bytes_raw = strtoull(procfile_lineword(ff, 6, 1), NULL, 10);
- p->io_cancelled_write_bytes = (p->io_cancelled_write_bytes_raw - last) * (1000000ULL * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ // last = p->io_cancelled_write_bytes_raw;
+ // p->io_cancelled_write_bytes_raw = str2kernel_uint_t(procfile_lineword(ff, 6, 1));
+ // p->io_cancelled_write_bytes = (p->io_cancelled_write_bytes_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
- if(unlikely(global_iterations_counter == 1)) {
- p->io_logical_bytes_read = 0;
- p->io_logical_bytes_written = 0;
- p->io_read_calls = 0;
- p->io_write_calls = 0;
- p->io_storage_bytes_read = 0;
- p->io_storage_bytes_written = 0;
- p->io_cancelled_write_bytes = 0;
- }
+ if(unlikely(global_iterations_counter == 1)) {
+ p->io_logical_bytes_read = 0;
+ p->io_logical_bytes_written = 0;
+ // p->io_read_calls = 0;
+ // p->io_write_calls = 0;
+ p->io_storage_bytes_read = 0;
+ p->io_storage_bytes_written = 0;
+ // p->io_cancelled_write_bytes = 0;
+ }
- return 0;
+ return 1;
cleanup:
- p->io_logical_bytes_read = 0;
- p->io_logical_bytes_written = 0;
- p->io_read_calls = 0;
- p->io_write_calls = 0;
- p->io_storage_bytes_read = 0;
- p->io_storage_bytes_written = 0;
- p->io_cancelled_write_bytes = 0;
- return 1;
+ p->io_logical_bytes_read = 0;
+ p->io_logical_bytes_written = 0;
+ // p->io_read_calls = 0;
+ // p->io_write_calls = 0;
+ p->io_storage_bytes_read = 0;
+ p->io_storage_bytes_written = 0;
+ // p->io_cancelled_write_bytes = 0;
+ return 0;
}
-unsigned long long global_utime = 0;
-unsigned long long global_stime = 0;
-unsigned long long global_gtime = 0;
-
-int read_proc_stat() {
- static char filename[FILENAME_MAX + 1] = "";
- static procfile *ff = NULL;
- static unsigned long long utime_raw = 0, stime_raw = 0, gtime_raw = 0, gntime_raw = 0, ntime_raw = 0, collected_usec = 0, last_collected_usec = 0;
+static inline int read_proc_stat() {
+ static char filename[FILENAME_MAX + 1] = "";
+ static procfile *ff = NULL;
+ static kernel_uint_t utime_raw = 0, stime_raw = 0, gtime_raw = 0, gntime_raw = 0, ntime_raw = 0;
+ static usec_t collected_usec = 0, last_collected_usec = 0;
- if(unlikely(!ff)) {
- snprintfz(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
- ff = procfile_open(filename, " \t:", PROCFILE_FLAG_DEFAULT);
- if(unlikely(!ff)) goto cleanup;
- }
+ if(unlikely(!ff)) {
+ snprintfz(filename, FILENAME_MAX, "%s/proc/stat", global_host_prefix);
+ ff = procfile_open(filename, " \t:", PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) goto cleanup;
+ }
- ff = procfile_readall(ff);
- if(unlikely(!ff)) goto cleanup;
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) goto cleanup;
- last_collected_usec = collected_usec;
- collected_usec = timems();
+ last_collected_usec = collected_usec;
+ collected_usec = now_monotonic_usec();
- file_counter++;
+ file_counter++;
- unsigned long long last;
+ kernel_uint_t last;
- last = utime_raw;
- utime_raw = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
- global_utime = (utime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec);
+ last = utime_raw;
+ utime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 1));
+ global_utime = (utime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
// nice time, on user time
- last = ntime_raw;
- ntime_raw = strtoull(procfile_lineword(ff, 0, 2), NULL, 10);
- global_utime += (ntime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec);
+ last = ntime_raw;
+ ntime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 2));
+ global_utime += (ntime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
- last = stime_raw;
- stime_raw = strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
- global_stime = (stime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec);
+ last = stime_raw;
+ stime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 3));
+ global_stime = (stime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
last = gtime_raw;
- gtime_raw = strtoull(procfile_lineword(ff, 0, 10), NULL, 10);
- global_gtime = (gtime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec);
-
- // guest nice time, on guest time
- last = gntime_raw;
- gntime_raw = strtoull(procfile_lineword(ff, 0, 11), NULL, 10);
- global_gtime += (gntime_raw - last) * (1000000ULL * RATES_DETAIL) / (collected_usec - last_collected_usec);
+ gtime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 10));
+ global_gtime = (gtime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
if(enable_guest_charts) {
+ // guest nice time, on guest time
+ last = gntime_raw;
+ gntime_raw = str2kernel_uint_t(procfile_lineword(ff, 0, 11));
+ global_gtime += (gntime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
+
// remove guest time from user time
global_utime -= (global_utime > global_gtime) ? global_gtime : global_utime;
}
- if(unlikely(global_iterations_counter == 1)) {
- global_utime = 0;
- global_stime = 0;
- global_gtime = 0;
- }
+ if(unlikely(global_iterations_counter == 1)) {
+ global_utime = 0;
+ global_stime = 0;
+ global_gtime = 0;
+ }
- return 0;
+ return 1;
cleanup:
- global_utime = 0;
- global_stime = 0;
- global_gtime = 0;
- return 1;
+ global_utime = 0;
+ global_stime = 0;
+ global_gtime = 0;
+ return 0;
}
// ----------------------------------------------------------------------------
-// file descriptor
-// this is used to keep a global list of all open files of the system
-// it is needed in order to calculate the unique files processes have open
-
-#define FILE_DESCRIPTORS_INCREASE_STEP 100
-
-struct file_descriptor {
- avl avl;
-#ifdef NETDATA_INTERNAL_CHECKS
- uint32_t magic;
-#endif /* NETDATA_INTERNAL_CHECKS */
- uint32_t hash;
- const char *name;
- int type;
- int count;
- int pos;
-} *all_files = NULL;
-
-int all_files_len = 0;
-int all_files_size = 0;
int file_descriptor_compare(void* a, void* b) {
#ifdef NETDATA_INTERNAL_CHECKS
- if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
- error("Corrupted index data detected. Please report this.");
+ if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
+ error("Corrupted index data detected. Please report this.");
#endif /* NETDATA_INTERNAL_CHECKS */
- if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
- return -1;
+ if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
+ return -1;
- else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
- return 1;
+ else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
+ return 1;
- else
- return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
+ else
+ return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
}
int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
avl_tree all_files_index = {
- NULL,
- file_descriptor_compare
+ NULL,
+ file_descriptor_compare
};
static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
- struct file_descriptor tmp;
- tmp.hash = (hash)?hash:simple_hash(name);
- tmp.name = name;
- tmp.count = 0;
- tmp.pos = 0;
+ struct file_descriptor tmp;
+ tmp.hash = (hash)?hash:simple_hash(name);
+ tmp.name = name;
+ tmp.count = 0;
+ tmp.pos = 0;
#ifdef NETDATA_INTERNAL_CHECKS
- tmp.magic = 0x0BADCAFE;
+ tmp.magic = 0x0BADCAFE;
#endif /* NETDATA_INTERNAL_CHECKS */
- return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp);
+ return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp);
}
#define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
#define file_descriptor_remove(fd) avl_remove(&all_files_index, (avl *)(fd))
-#define FILETYPE_OTHER 0
-#define FILETYPE_FILE 1
-#define FILETYPE_PIPE 2
-#define FILETYPE_SOCKET 3
-#define FILETYPE_INOTIFY 4
-#define FILETYPE_EVENTFD 5
-#define FILETYPE_EVENTPOLL 6
-#define FILETYPE_TIMERFD 7
-#define FILETYPE_SIGNALFD 8
-
-void file_descriptor_not_used(int id)
+// ----------------------------------------------------------------------------
+
+static inline void file_descriptor_not_used(int id)
{
- if(id > 0 && id < all_files_size) {
+ if(id > 0 && id < all_files_size) {
#ifdef NETDATA_INTERNAL_CHECKS
- if(all_files[id].magic != 0x0BADCAFE) {
- error("Ignoring request to remove empty file id %d.", id);
- return;
- }
+ if(all_files[id].magic != 0x0BADCAFE) {
+ error("Ignoring request to remove empty file id %d.", id);
+ return;
+ }
#endif /* NETDATA_INTERNAL_CHECKS */
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
- if(all_files[id].count > 0) {
- all_files[id].count--;
+ if(all_files[id].count > 0) {
+ all_files[id].count--;
- if(!all_files[id].count) {
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
+ if(!all_files[id].count) {
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
+
+ if(unlikely(file_descriptor_remove(&all_files[id]) != (void *)&all_files[id]))
+ error("INTERNAL ERROR: removal of unused fd from index, removed a different fd");
- file_descriptor_remove(&all_files[id]);
#ifdef NETDATA_INTERNAL_CHECKS
- all_files[id].magic = 0x00000000;
+ all_files[id].magic = 0x00000000;
#endif /* NETDATA_INTERNAL_CHECKS */
- all_files_len--;
- }
- }
- else
- error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
- }
- else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
+ all_files_len--;
+ }
+ }
+ else
+ error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
+ }
+ else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
}
-int file_descriptor_find_or_add(const char *name)
-{
- static int last_pos = 0;
- uint32_t hash = simple_hash(name);
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
-
- struct file_descriptor *fd = file_descriptor_find(name, hash);
- if(fd) {
- // found
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
-
- fd->count++;
- return fd->pos;
- }
- // not found
-
- // check we have enough memory to add it
- if(!all_files || all_files_len == all_files_size) {
- void *old = all_files;
- int i;
-
- // there is no empty slot
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
-
- all_files = realloc(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
-
- // if the address changed, we have to rebuild the index
- // since all pointers are now invalid
- if(old && old != (void *)all_files) {
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> re-indexing.\n");
-
- all_files_index.root = NULL;
- for(i = 0; i < all_files_size; i++) {
- if(!all_files[i].count) continue;
- file_descriptor_add(&all_files[i]);
- }
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
- }
-
- for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
- all_files[i].count = 0;
- all_files[i].name = NULL;
-#ifdef NETDATA_INTERNAL_CHECKS
- all_files[i].magic = 0x00000000;
-#endif /* NETDATA_INTERNAL_CHECKS */
- all_files[i].pos = i;
- }
+static inline void all_files_grow() {
+ void *old = all_files;
+ int i;
- if(!all_files_size) all_files_len = 1;
- all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
- }
+ // there is no empty slot
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
+ all_files = reallocz(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
- // search for an empty slot
- int i, c;
- for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
- if(c >= all_files_size) c = 0;
- if(c == 0) continue;
+ // if the address changed, we have to rebuild the index
+ // since all pointers are now invalid
- if(!all_files[c].count) {
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
+ if(unlikely(old && old != (void *)all_files)) {
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> re-indexing.\n");
-#ifdef NETDATA_INTERNAL_CHECKS
- if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
- error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
-#endif /* NETDATA_INTERNAL_CHECKS */
+ all_files_index.root = NULL;
+ for(i = 0; i < all_files_size; i++) {
+ if(!all_files[i].count) continue;
+ if(unlikely(file_descriptor_add(&all_files[i]) != (void *)&all_files[i]))
+ error("INTERNAL ERROR: duplicate indexing of fd during realloc.");
+ }
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name);
-
- if(all_files[c].name) free((void *)all_files[c].name);
- all_files[c].name = NULL;
- last_pos = c;
- break;
- }
- }
- if(i == all_files_size) {
- fatal("We should find an empty slot, but there isn't any");
- exit(1);
- }
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
-
- all_files_len++;
-
- // else we have an empty slot in 'c'
-
- int type;
- if(name[0] == '/') type = FILETYPE_FILE;
- else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE;
- else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET;
- else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY;
- else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD;
- else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
- else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
- else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
- else if(strncmp(name, "anon_inode:", 11) == 0) {
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
-
- type = FILETYPE_OTHER;
- }
- else {
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
-
- type = FILETYPE_OTHER;
- }
-
- all_files[c].name = strdup(name);
- all_files[c].hash = hash;
- all_files[c].type = type;
- all_files[c].pos = c;
- all_files[c].count = 1;
-#ifdef NETDATA_INTERNAL_CHECKS
- all_files[c].magic = 0x0BADCAFE;
-#endif /* NETDATA_INTERNAL_CHECKS */
- file_descriptor_add(&all_files[c]);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
+ }
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
+ // initialize the newly added entries
- return c;
-}
+ for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
+ all_files[i].count = 0;
+ all_files[i].name = NULL;
+#ifdef NETDATA_INTERNAL_CHECKS
+ all_files[i].magic = 0x00000000;
+#endif /* NETDATA_INTERNAL_CHECKS */
+ all_files[i].pos = i;
+ }
-int read_pid_file_descriptors(struct pid_stat *p) {
- char dirname[FILENAME_MAX+1];
-
- snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid);
- DIR *fds = opendir(dirname);
- if(fds) {
- int c;
- struct dirent *de;
- char fdname[FILENAME_MAX + 1];
- char linkname[FILENAME_MAX + 1];
-
- // make the array negative
- for(c = 0 ; c < p->fds_size ; c++)
- p->fds[c] = -p->fds[c];
-
- while((de = readdir(fds))) {
- if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0)
- continue;
-
- // check if the fds array is small
- int fdid = atoi(de->d_name);
- if(fdid < 0) continue;
- if(fdid >= p->fds_size) {
- // it is small, extend it
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
-
- p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
- if(!p->fds) {
- fatal("Cannot re-allocate fds for %s", p->comm);
- break;
- }
-
- // and initialize it
- for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
- p->fds_size = fdid + 100;
- }
-
- if(p->fds[fdid] == 0) {
- // we don't know this fd, get it
-
- sprintf(fdname, "%s/proc/%d/fd/%s", host_prefix, p->pid, de->d_name);
- ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
- if(l == -1) {
- if(debug || (p->target && p->target->debug)) {
- if(debug || (p->target && p->target->debug))
- error("Cannot read link %s", fdname);
- }
- continue;
- }
- linkname[l] = '\0';
- file_counter++;
-
- // if another process already has this, we will get
- // the same id
- p->fds[fdid] = file_descriptor_find_or_add(linkname);
- }
-
- // else make it positive again, we need it
- // of course, the actual file may have changed, but we don't care so much
- // FIXME: we could compare the inode as returned by readdir direct structure
- else p->fds[fdid] = -p->fds[fdid];
- }
- closedir(fds);
-
- // remove all the negative file descriptors
- for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
- file_descriptor_not_used(-p->fds[c]);
- p->fds[c] = 0;
- }
- }
- else return 1;
-
- return 0;
+ if(unlikely(!all_files_size)) all_files_len = 1;
+ all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
}
-// ----------------------------------------------------------------------------
+static inline int file_descriptor_set_on_empty_slot(const char *name, uint32_t hash, FD_FILETYPE type) {
+ // check we have enough memory to add it
+ if(!all_files || all_files_len == all_files_size)
+ all_files_grow();
-int print_process_and_parents(struct pid_stat *p, unsigned long long time) {
- char *prefix = "\\_ ";
- int indent = 0;
-
- if(p->parent)
- indent = print_process_and_parents(p->parent, p->stat_collected_usec);
- else
- prefix = " > ";
-
- char buffer[indent + 1];
- int i;
-
- for(i = 0; i < indent ;i++) buffer[i] = ' ';
- buffer[i] = '\0';
-
- fprintf(stderr, " %s %s%s (%d %s %lld"
- , buffer
- , prefix
- , p->comm
- , p->pid
- , p->updated?"running":"exited"
- , (long long)p->stat_collected_usec - (long long)time
- );
-
- if(p->utime) fprintf(stderr, " utime=%llu", p->utime);
- if(p->stime) fprintf(stderr, " stime=%llu", p->stime);
- if(p->gtime) fprintf(stderr, " gtime=%llu", p->gtime);
- if(p->cutime) fprintf(stderr, " cutime=%llu", p->cutime);
- if(p->cstime) fprintf(stderr, " cstime=%llu", p->cstime);
- if(p->cgtime) fprintf(stderr, " cgtime=%llu", p->cgtime);
- if(p->minflt) fprintf(stderr, " minflt=%llu", p->minflt);
- if(p->cminflt) fprintf(stderr, " cminflt=%llu", p->cminflt);
- if(p->majflt) fprintf(stderr, " majflt=%llu", p->majflt);
- if(p->cmajflt) fprintf(stderr, " cmajflt=%llu", p->cmajflt);
- fprintf(stderr, ")\n");
-
- return indent + 1;
-}
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
-void print_process_tree(struct pid_stat *p, char *msg) {
- log_date(stderr);
- fprintf(stderr, "%s: process %s (%d, %s) with parents:\n", msg, p->comm, p->pid, p->updated?"running":"exited");
- print_process_and_parents(p, p->stat_collected_usec);
-}
+ // search for an empty slot
-void find_lost_child_debug(struct pid_stat *pe, unsigned long long lost, int type) {
- int found = 0;
- struct pid_stat *p = NULL;
-
- for(p = root_of_pids; p ; p = p->next) {
- if(p == pe) continue;
-
- switch(type) {
- case 1:
- if(p->cminflt > lost) {
- fprintf(stderr, " > process %d (%s) could use the lost exited child minflt %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
- found++;
- }
- break;
-
- case 2:
- if(p->cmajflt > lost) {
- fprintf(stderr, " > process %d (%s) could use the lost exited child majflt %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
- found++;
- }
- break;
-
- case 3:
- if(p->cutime > lost) {
- fprintf(stderr, " > process %d (%s) could use the lost exited child utime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
- found++;
- }
- break;
-
- case 4:
- if(p->cstime > lost) {
- fprintf(stderr, " > process %d (%s) could use the lost exited child stime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
- found++;
- }
- break;
-
- case 5:
- if(p->cgtime > lost) {
- fprintf(stderr, " > process %d (%s) could use the lost exited child gtime %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
- found++;
- }
- break;
- }
- }
-
- if(!found) {
- switch(type) {
- case 1:
- fprintf(stderr, " > cannot find any process to use the lost exited child minflt %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
- break;
-
- case 2:
- fprintf(stderr, " > cannot find any process to use the lost exited child majflt %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
- break;
-
- case 3:
- fprintf(stderr, " > cannot find any process to use the lost exited child utime %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
- break;
-
- case 4:
- fprintf(stderr, " > cannot find any process to use the lost exited child stime %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
- break;
-
- case 5:
- fprintf(stderr, " > cannot find any process to use the lost exited child gtime %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
- break;
- }
- }
-}
+ static int last_pos = 0;
+ int i, c;
+ for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
+ if(c >= all_files_size) c = 0;
+ if(c == 0) continue;
-unsigned long long remove_exited_child_from_parent(unsigned long long *field, unsigned long long *pfield) {
- unsigned long long absorbed = 0;
-
- if(*field > *pfield) {
- absorbed += *pfield;
- *field -= *pfield;
- *pfield = 0;
- }
- else {
- absorbed += *field;
- *pfield -= *field;
- *field = 0;
- }
-
- return absorbed;
-}
+ if(!all_files[c].count) {
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
-void process_exited_processes() {
- struct pid_stat *p;
-
- for(p = root_of_pids; p ; p = p->next) {
- if(p->updated || !p->stat_collected_usec)
- continue;
-
- struct pid_stat *pp = p->parent;
-
- unsigned long long utime = (p->utime_raw + p->cutime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
- unsigned long long stime = (p->stime_raw + p->cstime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
- unsigned long long gtime = (p->gtime_raw + p->cgtime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
- unsigned long long minflt = (p->minflt_raw + p->cminflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
- unsigned long long majflt = (p->majflt_raw + p->cmajflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
- if(utime + stime + gtime + minflt + majflt == 0)
- continue;
-
- if(unlikely(debug)) {
- log_date(stderr);
- fprintf(stderr, "Absorb %s (%d %s total resources: utime=%llu stime=%llu gtime=%llu minflt=%llu majflt=%llu)\n"
- , p->comm
- , p->pid
- , p->updated?"running":"exited"
- , utime
- , stime
- , gtime
- , minflt
- , majflt
- );
- print_process_tree(p, "Searching parents");
- }
-
- for(pp = p->parent; pp ; pp = pp->parent) {
- if(!pp->updated) continue;
-
- unsigned long long absorbed;
- absorbed = remove_exited_child_from_parent(&utime, &pp->cutime);
- if(unlikely(debug && absorbed))
- fprintf(stderr, " > process %s (%d %s) absorbed %llu utime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, utime);
-
- absorbed = remove_exited_child_from_parent(&stime, &pp->cstime);
- if(unlikely(debug && absorbed))
- fprintf(stderr, " > process %s (%d %s) absorbed %llu stime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, stime);
-
- absorbed = remove_exited_child_from_parent(>ime, &pp->cgtime);
- if(unlikely(debug && absorbed))
- fprintf(stderr, " > process %s (%d %s) absorbed %llu gtime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, gtime);
-
- absorbed = remove_exited_child_from_parent(&minflt, &pp->cminflt);
- if(unlikely(debug && absorbed))
- fprintf(stderr, " > process %s (%d %s) absorbed %llu minflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, minflt);
-
- absorbed = remove_exited_child_from_parent(&majflt, &pp->cmajflt);
- if(unlikely(debug && absorbed))
- fprintf(stderr, " > process %s (%d %s) absorbed %llu majflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, majflt);
- }
-
- if(unlikely(utime + stime + gtime + minflt + majflt > 0)) {
- if(unlikely(debug)) {
- if(utime) find_lost_child_debug(p, utime, 3);
- if(stime) find_lost_child_debug(p, stime, 4);
- if(gtime) find_lost_child_debug(p, gtime, 5);
- if(minflt) find_lost_child_debug(p, minflt, 1);
- if(majflt) find_lost_child_debug(p, majflt, 2);
- }
-
- p->keep = 1;
-
- if(unlikely(debug))
- fprintf(stderr, " > remaining resources - KEEP - for another loop: %s (%d %s total resources: utime=%llu stime=%llu gtime=%llu minflt=%llu majflt=%llu)\n"
- , p->comm
- , p->pid
- , p->updated?"running":"exited"
- , utime
- , stime
- , gtime
- , minflt
- , majflt
- );
-
- for(pp = p->parent; pp ; pp = pp->parent) {
- if(pp->updated) break;
- pp->keep = 1;
-
- if(unlikely(debug))
- fprintf(stderr, " > - KEEP - parent for another loop: %s (%d %s)\n"
- , pp->comm
- , pp->pid
- , pp->updated?"running":"exited"
- );
- }
-
- p->utime_raw = utime * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL);
- p->stime_raw = stime * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL);
- p->gtime_raw = gtime * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL);
- p->minflt_raw = minflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL);
- p->majflt_raw = majflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (1000000ULL * RATES_DETAIL);
- p->cutime_raw = p->cstime_raw = p->cgtime_raw = p->cminflt_raw = p->cmajflt_raw = 0;
-
- if(unlikely(debug))
- fprintf(stderr, "\n");
- }
- else if(unlikely(debug)) {
- fprintf(stderr, " > totally absorbed - DONE - %s (%d %s)\n"
- , p->comm
- , p->pid
- , p->updated?"running":"exited"
- );
- }
- }
-}
+#ifdef NETDATA_INTERNAL_CHECKS
+ if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
+ error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
+#endif /* NETDATA_INTERNAL_CHECKS */
-void link_all_processes_to_their_parents(void) {
- struct pid_stat *p, *pp;
-
- // link all children to their parents
- // and update children count on parents
- for(p = root_of_pids; p ; p = p->next) {
- // for each process found
-
- p->sortlist = 0;
- p->parent = NULL;
-
- if(unlikely(!p->ppid)) {
- p->parent = NULL;
- continue;
- }
-
- pp = all_pids[p->ppid];
- if(likely(pp)) {
- p->parent = pp;
- pp->children_count++;
-
- if(unlikely(debug || (p->target && p->target->debug)))
- fprintf(stderr, "apps.plugin: \tchild %d (%s, %s) on target '%s' has parent %d (%s, %s). Parent: utime=%llu, stime=%llu, gtime=%llu, minflt=%llu, majflt=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->updated?"running":"exited", (p->target)?p->target->name:"UNSET", pp->pid, pp->comm, pp->updated?"running":"exited", pp->utime, pp->stime, pp->gtime, pp->minflt, pp->majflt, pp->cutime, pp->cstime, pp->cgtime, pp->cminflt, pp->cmajflt);
- }
- else {
- p->parent = NULL;
- error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
- }
- }
-}
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name);
-// ----------------------------------------------------------------------------
+ freez((void *)all_files[c].name);
+ all_files[c].name = NULL;
+ last_pos = c;
+ break;
+ }
+ }
-// 1. read all files in /proc
-// 2. for each numeric directory:
-// i. read /proc/pid/stat
-// ii. read /proc/pid/statm
-// iii. read /proc/pid/io (requires root access)
-// iii. read the entries in directory /proc/pid/fd (requires root access)
-// for each entry:
-// a. find or create a struct file_descriptor
-// b. cleanup any old/unused file_descriptors
+ all_files_len++;
-// after all these, some pids may be linked to targets, while others may not
+ if(i == all_files_size) {
+ fatal("We should find an empty slot, but there isn't any");
+ exit(1);
+ }
+ // else we have an empty slot in 'c'
-// in case of errors, only 1 every 1000 errors is printed
-// to avoid filling up all disk space
-// if debug is enabled, all errors are printed
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
-static int compar_pid(const void *pid1, const void *pid2) {
+ all_files[c].name = strdupz(name);
+ all_files[c].hash = hash;
+ all_files[c].type = type;
+ all_files[c].pos = c;
+ all_files[c].count = 1;
+#ifdef NETDATA_INTERNAL_CHECKS
+ all_files[c].magic = 0x0BADCAFE;
+#endif /* NETDATA_INTERNAL_CHECKS */
+ if(unlikely(file_descriptor_add(&all_files[c]) != (void *)&all_files[c]))
+ error("INTERNAL ERROR: duplicate indexing of fd.");
- struct pid_stat *p1 = all_pids[*((pid_t *)pid1)];
- struct pid_stat *p2 = all_pids[*((pid_t *)pid2)];
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
- if(p1->sortlist > p2->sortlist)
- return -1;
- else
- return 1;
+ return c;
}
-void collect_data_for_pid(pid_t pid) {
- if(unlikely(pid <= 0 || pid > pid_max)) {
- error("Invalid pid %d read (expected 1 to %d). Ignoring process.", pid, pid_max);
- return;
- }
-
- struct pid_stat *p = get_pid_entry(pid);
- if(unlikely(!p || p->read)) return;
- p->read = 1;
-
- // fprintf(stderr, "Reading process %d (%s), sortlist %d\n", p->pid, p->comm, p->sortlist);
-
- // --------------------------------------------------------------------
- // /proc/<pid>/stat
-
- if(unlikely(read_proc_pid_stat(p))) {
- error("Cannot process %s/proc/%d/stat", host_prefix, pid);
- // there is no reason to proceed if we cannot get its status
- return;
- }
-
- read_proc_pid_ownership(p);
-
- // check its parent pid
- if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
- error("Pid %d states invalid parent pid %d. Using 0.", pid, p->ppid);
- p->ppid = 0;
- }
-
- // --------------------------------------------------------------------
- // /proc/<pid>/io
-
- if(unlikely(read_proc_pid_io(p)))
- error("Cannot process %s/proc/%d/io", host_prefix, pid);
-
- // --------------------------------------------------------------------
- // /proc/<pid>/statm
-
- if(unlikely(read_proc_pid_statm(p))) {
- error("Cannot process %s/proc/%d/statm", host_prefix, pid);
- // there is no reason to proceed if we cannot get its memory status
- return;
- }
-
- // --------------------------------------------------------------------
- // link it
-
- // check if it is target
- // we do this only once, the first time this pid is loaded
- if(unlikely(p->new_entry)) {
- // /proc/<pid>/cmdline
- if(likely(proc_pid_cmdline_is_needed)) {
- if(unlikely(read_proc_pid_cmdline(p)))
- error("Cannot process %s/proc/%d/cmdline", host_prefix, pid);
- }
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: \tJust added %d (%s)\n", pid, p->comm);
-
- uint32_t hash = simple_hash(p->comm);
- size_t pclen = strlen(p->comm);
-
- struct target *w;
- for(w = apps_groups_root_target; w ; w = w->next) {
- // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
-
- // find it - 4 cases:
- // 1. the target is not a pattern
- // 2. the target has the prefix
- // 3. the target has the suffix
- // 4. the target is something inside cmdline
- if( (!w->starts_with && !w->ends_with && w->comparehash == hash && !strcmp(w->compare, p->comm))
- || (w->starts_with && !w->ends_with && !strncmp(w->compare, p->comm, w->comparelen))
- || (!w->starts_with && w->ends_with && pclen >= w->comparelen && !strcmp(w->compare, &p->comm[pclen - w->comparelen]))
- || (proc_pid_cmdline_is_needed && w->starts_with && w->ends_with && strstr(p->cmdline, w->compare))
- ) {
- if(w->target) p->target = w->target;
- else p->target = w;
-
- if(debug || (p->target && p->target->debug))
- fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
-
- break;
- }
- }
- }
-
- // --------------------------------------------------------------------
- // /proc/<pid>/fd
-
- if(unlikely(read_pid_file_descriptors(p))) {
- error("Cannot process entries in %s/proc/%d/fd", host_prefix, pid);
- }
-
- // --------------------------------------------------------------------
- // done!
-
- if(unlikely(debug && include_exited_childs && all_pids_count && p->ppid && all_pids[p->ppid] && !all_pids[p->ppid]->read))
- fprintf(stderr, "Read process %d (%s) sortlisted %d, but its parent %d (%s) sortlisted %d, is not read\n", p->pid, p->comm, p->sortlist, all_pids[p->ppid]->pid, all_pids[p->ppid]->comm, all_pids[p->ppid]->sortlist);
-
- // mark it as updated
- p->updated = 1;
- p->keep = 0;
- p->keeploops = 0;
-}
+static inline int file_descriptor_find_or_add(const char *name)
+{
+ uint32_t hash = simple_hash(name);
-int collect_data_for_all_processes_from_proc(void) {
- struct pid_stat *p = NULL;
-
- if(all_pids_count) {
- // read parents before childs
- // this is needed to prevent a situation where
- // a child is found running, but until we read
- // its parent, it has exited and its parent
- // has accumulated its resources
-
- long slc = 0;
- for(p = root_of_pids; p ; p = p->next) {
- p->read = 0;
- p->updated = 0;
- p->new_entry = 0;
- p->merged = 0;
- p->children_count = 0;
- p->parent = NULL;
-
- all_pids_sortlist[slc++] = p->pid;
- }
-
- if(unlikely(slc != all_pids_count)) {
- error("Internal error: I was thinking I had %ld processes in my arrays, but it seems there are more.", all_pids_count);
- all_pids_count = slc;
- }
-
- if(include_exited_childs) {
- qsort((void *)all_pids_sortlist, all_pids_count, sizeof(pid_t), compar_pid);
- for(slc = 0; slc < all_pids_count; slc++)
- collect_data_for_pid(all_pids_sortlist[slc]);
- }
- }
-
- char dirname[FILENAME_MAX + 1];
-
- snprintfz(dirname, FILENAME_MAX, "%s/proc", host_prefix);
- DIR *dir = opendir(dirname);
- if(!dir) return 0;
-
- struct dirent *file = NULL;
-
- while((file = readdir(dir))) {
- char *endptr = file->d_name;
- pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10);
-
- // make sure we read a valid number
- if(unlikely(endptr == file->d_name || *endptr != '\0'))
- continue;
-
- collect_data_for_pid(pid);
- }
- closedir(dir);
-
- // normally this is done
- // however we may have processes exited while we collected values
- // so let's find the exited ones
- // we do this by collecting the ownership of process
- // if we manage to get the ownership, the process still runs
-
- read_proc_stat();
- link_all_processes_to_their_parents();
- process_exited_processes();
-
- return 1;
-}
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
-// ----------------------------------------------------------------------------
-// update statistics on the targets
+ struct file_descriptor *fd = file_descriptor_find(name, hash);
+ if(fd) {
+ // found
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
-// 1. link all childs to their parents
-// 2. go from bottom to top, marking as merged all childs to their parents
-// this step links all parents without a target to the child target, if any
-// 3. link all top level processes (the ones not merged) to the default target
-// 4. go from top to bottom, linking all childs without a target, to their parent target
-// after this step, all processes have a target
-// [5. for each killed pid (updated = 0), remove its usage from its target]
-// 6. zero all apps_groups_targets
-// 7. concentrate all values on the apps_groups_targets
-// 8. remove all killed processes
-// 9. find the unique file count for each target
-// check: update_apps_groups_statistics()
+ fd->count++;
+ return fd->pos;
+ }
+ // not found
+
+ FD_FILETYPE type;
+ if(name[0] == '/') type = FILETYPE_FILE;
+ else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE;
+ else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET;
+ else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY;
+ else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD;
+ else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
+ else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
+ else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
+ else if(strncmp(name, "anon_inode:", 11) == 0) {
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
+
+ type = FILETYPE_OTHER;
+ }
+ else {
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
-void cleanup_exited_pids(void) {
- int c;
- struct pid_stat *p = NULL;
-
- for(p = root_of_pids; p ;) {
- if(!p->updated && (!p->keep || p->keeploops > 0)) {
-// fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, gtime=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, p->parent->pid, p->parent->comm, p->target->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
-
- if(unlikely(debug && (p->keep || p->keeploops)))
- fprintf(stderr, " > CLEANUP cannot keep exited process %d (%s) anymore - removing it.\n", p->pid, p->comm);
-
- for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
- file_descriptor_not_used(p->fds[c]);
- p->fds[c] = 0;
- }
-
- pid_t r = p->pid;
- p = p->next;
- del_pid_entry(r);
- }
- else {
- if(unlikely(p->keep)) p->keeploops++;
- p->keep = 0;
- p = p->next;
- }
- }
-}
+ type = FILETYPE_OTHER;
+ }
-void apply_apps_groups_targets_inheritance(void) {
- struct pid_stat *p = NULL;
-
- // children that do not have a target
- // inherit their target from their parent
- int found = 1, loops = 0;
- while(found) {
- if(unlikely(debug)) loops++;
- found = 0;
- for(p = root_of_pids; p ; p = p->next) {
- // if this process does not have a target
- // and it has a parent
- // and its parent has a target
- // then, set the parent's target to this process
- if(unlikely(!p->target && p->parent && p->parent->target)) {
- p->target = p->parent->target;
- found++;
-
- if(debug || (p->target && p->target->debug))
- fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
- }
- }
- }
-
- // find all the procs with 0 childs and merge them to their parents
- // repeat, until nothing more can be done.
- int sortlist = 1;
- found = 1;
- while(found) {
- if(unlikely(debug)) loops++;
- found = 0;
-
- for(p = root_of_pids; p ; p = p->next) {
- if(unlikely(!p->sortlist && !p->children_count))
- p->sortlist = sortlist++;
-
- // if this process does not have any children
- // and is not already merged
- // and has a parent
- // and its parent has children
- // and the target of this process and its parent is the same, or the parent does not have a target
- // and its parent is not init
- // then, mark them as merged.
- if(unlikely(
- !p->children_count
- && !p->merged
- && p->parent
- && p->parent->children_count
- && (p->target == p->parent->target || !p->parent->target)
- && p->ppid != 1
- )) {
- p->parent->children_count--;
- p->merged = 1;
-
- // the parent inherits the child's target, if it does not have a target itself
- if(unlikely(p->target && !p->parent->target)) {
- p->parent->target = p->target;
-
- if(debug || (p->target && p->target->debug))
- fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
- }
-
- found++;
- }
- }
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: TARGET INHERITANCE: merged %d processes\n", found);
- }
-
- // init goes always to default target
- if(all_pids[1])
- all_pids[1]->target = apps_groups_default_target;
-
- // give a default target on all top level processes
- if(unlikely(debug)) loops++;
- for(p = root_of_pids; p ; p = p->next) {
- // if the process is not merged itself
- // then is is a top level process
- if(unlikely(!p->merged && !p->target))
- p->target = apps_groups_default_target;
-
- // make sure all processes have a sortlist
- if(unlikely(!p->sortlist))
- p->sortlist = sortlist++;
- }
-
- if(all_pids[1])
- all_pids[1]->sortlist = sortlist++;
-
- // give a target to all merged child processes
- found = 1;
- while(found) {
- if(unlikely(debug)) loops++;
- found = 0;
- for(p = root_of_pids; p ; p = p->next) {
- if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) {
- p->target = p->parent->target;
- found++;
-
- if(debug || (p->target && p->target->debug))
- fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
- }
- }
- }
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: apply_apps_groups_targets_inheritance() made %d loops on the process tree\n", loops);
+ return file_descriptor_set_on_empty_slot(name, hash, type);
}
-long zero_all_targets(struct target *root) {
- struct target *w;
- long count = 0;
-
- for (w = root; w ; w = w->next) {
- count++;
-
- if(w->fds) free(w->fds);
- w->fds = NULL;
-
- w->minflt = 0;
- w->majflt = 0;
- w->utime = 0;
- w->stime = 0;
- w->gtime = 0;
- w->cminflt = 0;
- w->cmajflt = 0;
- w->cutime = 0;
- w->cstime = 0;
- w->cgtime = 0;
- w->num_threads = 0;
- w->rss = 0;
- w->processes = 0;
-
- w->statm_size = 0;
- w->statm_resident = 0;
- w->statm_share = 0;
- w->statm_text = 0;
- w->statm_lib = 0;
- w->statm_data = 0;
- w->statm_dirty = 0;
-
- w->io_logical_bytes_read = 0;
- w->io_logical_bytes_written = 0;
- w->io_read_calls = 0;
- w->io_write_calls = 0;
- w->io_storage_bytes_read = 0;
- w->io_storage_bytes_written = 0;
- w->io_cancelled_write_bytes = 0;
- }
-
- return count;
+static inline void make_all_pid_fds_negative(struct pid_stat *p) {
+ int *fd = p->fds, *end = &p->fds[p->fds_size];
+ while(fd < end) {
+ *fd = -(*fd);
+ fd++;
+ }
}
-void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
- (void)o;
-
- if(unlikely(!w->fds)) {
- w->fds = calloc(sizeof(int), (size_t) all_files_size);
- if(unlikely(!w->fds))
- error("Cannot allocate memory for fds in %s", w->name);
- }
-
- if(likely(p->updated)) {
- w->cutime += p->cutime;
- w->cstime += p->cstime;
- w->cgtime += p->cgtime;
- w->cminflt += p->cminflt;
- w->cmajflt += p->cmajflt;
-
- w->utime += p->utime;
- w->stime += p->stime;
- w->gtime += p->gtime;
- w->minflt += p->minflt;
- w->majflt += p->majflt;
-
- w->rss += p->rss;
-
- w->statm_size += p->statm_size;
- w->statm_resident += p->statm_resident;
- w->statm_share += p->statm_share;
- w->statm_text += p->statm_text;
- w->statm_lib += p->statm_lib;
- w->statm_data += p->statm_data;
- w->statm_dirty += p->statm_dirty;
-
- w->io_logical_bytes_read += p->io_logical_bytes_read;
- w->io_logical_bytes_written += p->io_logical_bytes_written;
- w->io_read_calls += p->io_read_calls;
- w->io_write_calls += p->io_write_calls;
- w->io_storage_bytes_read += p->io_storage_bytes_read;
- w->io_storage_bytes_written += p->io_storage_bytes_written;
- w->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
-
- w->processes++;
- w->num_threads += p->num_threads;
-
- if(likely(w->fds)) {
- int c;
- for(c = 0; c < p->fds_size ;c++) {
- if(p->fds[c] == 0) continue;
-
- if(likely(p->fds[c] < all_files_size)) {
- if(w->fds) w->fds[p->fds[c]]++;
- }
- else
- error("Invalid fd number %d", p->fds[c]);
- }
- }
-
- if(unlikely(debug || w->debug))
- fprintf(stderr, "apps.plugin: \taggregating '%s' pid %d on target '%s' utime=%llu, stime=%llu, gtime=%llu, cutime=%llu, cstime=%llu, cgtime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, w->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
- }
+static inline void cleanup_negative_pid_fds(struct pid_stat *p) {
+ int *fd = p->fds, *end = &p->fds[p->fds_size];
+ while(fd < end) {
+ if(unlikely(*fd < 0)) {
+ file_descriptor_not_used(-(*fd));
+ *fd++ = 0;
+ }
+ else
+ fd++;
+ }
}
-void count_targets_fds(struct target *root) {
- int c;
- struct target *w;
-
- for (w = root; w ; w = w->next) {
- if(!w->fds) continue;
-
- w->openfiles = 0;
- w->openpipes = 0;
- w->opensockets = 0;
- w->openinotifies = 0;
- w->openeventfds = 0;
- w->opentimerfds = 0;
- w->opensignalfds = 0;
- w->openeventpolls = 0;
- w->openother = 0;
-
- for(c = 1; c < all_files_size ;c++) {
- if(w->fds[c] > 0)
- switch(all_files[c].type) {
- case FILETYPE_FILE:
- w->openfiles++;
- break;
-
- case FILETYPE_PIPE:
- w->openpipes++;
- break;
-
- case FILETYPE_SOCKET:
- w->opensockets++;
- break;
-
- case FILETYPE_INOTIFY:
- w->openinotifies++;
- break;
-
- case FILETYPE_EVENTFD:
- w->openeventfds++;
- break;
-
- case FILETYPE_TIMERFD:
- w->opentimerfds++;
- break;
-
- case FILETYPE_SIGNALFD:
- w->opensignalfds++;
- break;
-
- case FILETYPE_EVENTPOLL:
- w->openeventpolls++;
- break;
-
- default:
- w->openother++;
- }
- }
-
- free(w->fds);
- w->fds = NULL;
- }
+static inline void zero_pid_fds(struct pid_stat *p, int first, int size) {
+ int *fd = &p->fds[first], *end = &p->fds[first + size];
+ while(fd < end) *fd++ = 0;
}
-void calculate_netdata_statistics(void) {
- apply_apps_groups_targets_inheritance();
+static inline int read_pid_file_descriptors(struct pid_stat *p) {
+ if(unlikely(!p->fds_dirname)) {
+ char dirname[FILENAME_MAX+1];
+ snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", global_host_prefix, p->pid);
+ p->fds_dirname = strdupz(dirname);
+ }
- zero_all_targets(users_root_target);
- zero_all_targets(groups_root_target);
- apps_groups_targets = zero_all_targets(apps_groups_root_target);
+ DIR *fds = opendir(p->fds_dirname);
+ if(unlikely(!fds)) return 0;
- // this has to be done, before the cleanup
- struct pid_stat *p = NULL;
- struct target *w = NULL, *o = NULL;
+ struct dirent *de;
+ char fdname[FILENAME_MAX + 1];
+ char linkname[FILENAME_MAX + 1];
- // concentrate everything on the apps_groups_targets
- for(p = root_of_pids; p ; p = p->next) {
+ // we make all pid fds negative, so that
+ // we can detect unused file descriptors
+ // at the end, to free them
+ make_all_pid_fds_negative(p);
- // --------------------------------------------------------------------
- // apps_groups targets
- if(likely(p->target))
- aggregate_pid_on_target(p->target, p, NULL);
- else
- error("pid %d %s was left without a target!", p->pid, p->comm);
+ while((de = readdir(fds))) {
+ // we need only files with numeric names
+ if(unlikely(de->d_name[0] < '0' || de->d_name[0] > '9'))
+ continue;
- // --------------------------------------------------------------------
- // user targets
- o = p->user_target;
- if(likely(p->user_target && p->user_target->uid == p->uid))
- w = p->user_target;
- else {
- if(unlikely(debug && p->user_target))
- fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %u (%s) to %u.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid);
+ // get its number
+ int fdid = (int)str2l(de->d_name);
+ if(unlikely(fdid < 0)) continue;
- w = p->user_target = get_users_target(p->uid);
- }
+ // check if the fds array is small
+ if(unlikely(fdid >= p->fds_size)) {
+ // it is small, extend it
- if(likely(w))
- aggregate_pid_on_target(w, p, o);
- else
- error("pid %d %s was left without a user target!", p->pid, p->comm);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + MAX_SPARE_FDS);
+ p->fds = reallocz(p->fds, (fdid + MAX_SPARE_FDS) * sizeof(int));
- // --------------------------------------------------------------------
- // group targets
- o = p->group_target;
- if(likely(p->group_target && p->group_target->gid == p->gid))
- w = p->group_target;
- else {
- if(unlikely(debug && p->group_target))
- fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %u (%s) to %u.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid);
+ // and initialize it
+ zero_pid_fds(p, p->fds_size, (fdid + MAX_SPARE_FDS) - p->fds_size);
+ p->fds_size = fdid + MAX_SPARE_FDS;
+ }
- w = p->group_target = get_groups_target(p->gid);
- }
+ if(unlikely(p->fds[fdid] == 0)) {
+ // we don't know this fd, get it
+
+ sprintf(fdname, "%s/proc/%d/fd/%s", global_host_prefix, p->pid, de->d_name);
+ ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
+ if(unlikely(l == -1)) {
+ if(debug || (p->target && p->target->debug)) {
+ if(debug || (p->target && p->target->debug))
+ error("Cannot read link %s", fdname);
+ }
+ continue;
+ }
+ else
+ linkname[l] = '\0';
+
+ file_counter++;
+
+ // if another process already has this, we will get
+ // the same id
+ p->fds[fdid] = file_descriptor_find_or_add(linkname);
+ }
- if(likely(w))
- aggregate_pid_on_target(w, p, o);
- else
- error("pid %d %s was left without a group target!", p->pid, p->comm);
+ // else make it positive again, we need it
+ // of course, the actual file may have changed, but we don't care so much
+ // FIXME: we could compare the inode as returned by readdir dirent structure
- }
+ else
+ p->fds[fdid] = -p->fds[fdid];
+ }
- count_targets_fds(apps_groups_root_target);
- count_targets_fds(users_root_target);
- count_targets_fds(groups_root_target);
+ closedir(fds);
+ cleanup_negative_pid_fds(p);
- cleanup_exited_pids();
+ return 1;
}
// ----------------------------------------------------------------------------
-// update chart dimensions
-
-BUFFER *output = NULL;
-int print_calculated_number(char *str, calculated_number value) { (void)str; (void)value; return 0; }
-static inline void send_BEGIN(const char *type, const char *id, unsigned long long usec) {
- // fprintf(stdout, "BEGIN %s.%s %llu\n", type, id, usec);
- buffer_strcat(output, "BEGIN ");
- buffer_strcat(output, type);
- buffer_strcat(output, ".");
- buffer_strcat(output, id);
- buffer_strcat(output, " ");
- buffer_print_llu(output, usec);
- buffer_strcat(output, "\n");
+static inline int print_process_and_parents(struct pid_stat *p, usec_t time) {
+ char *prefix = "\\_ ";
+ int indent = 0;
+
+ if(p->parent)
+ indent = print_process_and_parents(p->parent, p->stat_collected_usec);
+ else
+ prefix = " > ";
+
+ char buffer[indent + 1];
+ int i;
+
+ for(i = 0; i < indent ;i++) buffer[i] = ' ';
+ buffer[i] = '\0';
+
+ fprintf(stderr, " %s %s%s (%d %s %llu"
+ , buffer
+ , prefix
+ , p->comm
+ , p->pid
+ , p->updated?"running":"exited"
+ , p->stat_collected_usec - time
+ );
+
+ if(p->utime) fprintf(stderr, " utime=" KERNEL_UINT_FORMAT, p->utime);
+ if(p->stime) fprintf(stderr, " stime=" KERNEL_UINT_FORMAT, p->stime);
+ if(p->gtime) fprintf(stderr, " gtime=" KERNEL_UINT_FORMAT, p->gtime);
+ if(p->cutime) fprintf(stderr, " cutime=" KERNEL_UINT_FORMAT, p->cutime);
+ if(p->cstime) fprintf(stderr, " cstime=" KERNEL_UINT_FORMAT, p->cstime);
+ if(p->cgtime) fprintf(stderr, " cgtime=" KERNEL_UINT_FORMAT, p->cgtime);
+ if(p->minflt) fprintf(stderr, " minflt=" KERNEL_UINT_FORMAT, p->minflt);
+ if(p->cminflt) fprintf(stderr, " cminflt=" KERNEL_UINT_FORMAT, p->cminflt);
+ if(p->majflt) fprintf(stderr, " majflt=" KERNEL_UINT_FORMAT, p->majflt);
+ if(p->cmajflt) fprintf(stderr, " cmajflt=" KERNEL_UINT_FORMAT, p->cmajflt);
+ fprintf(stderr, ")\n");
+
+ return indent + 1;
}
-static inline void send_SET(const char *name, unsigned long long value) {
- // fprintf(stdout, "SET %s = %llu\n", name, value);
- buffer_strcat(output, "SET ");
- buffer_strcat(output, name);
- buffer_strcat(output, " = ");
- buffer_print_llu(output, value);
- buffer_strcat(output, "\n");
+static inline void print_process_tree(struct pid_stat *p, char *msg) {
+ log_date(stderr);
+ fprintf(stderr, "%s: process %s (%d, %s) with parents:\n", msg, p->comm, p->pid, p->updated?"running":"exited");
+ print_process_and_parents(p, p->stat_collected_usec);
}
-static inline void send_END(void) {
- // fprintf(stdout, "END\n");
- buffer_strcat(output, "END\n");
-}
+static inline void find_lost_child_debug(struct pid_stat *pe, kernel_uint_t lost, int type) {
+ int found = 0;
+ struct pid_stat *p = NULL;
+
+ for(p = root_of_pids; p ; p = p->next) {
+ if(p == pe) continue;
+
+ switch(type) {
+ case 1:
+ if(p->cminflt > lost) {
+ fprintf(stderr, " > process %d (%s) could use the lost exited child minflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ found++;
+ }
+ break;
+
+ case 2:
+ if(p->cmajflt > lost) {
+ fprintf(stderr, " > process %d (%s) could use the lost exited child majflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ found++;
+ }
+ break;
+
+ case 3:
+ if(p->cutime > lost) {
+ fprintf(stderr, " > process %d (%s) could use the lost exited child utime " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ found++;
+ }
+ break;
+
+ case 4:
+ if(p->cstime > lost) {
+ fprintf(stderr, " > process %d (%s) could use the lost exited child stime " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ found++;
+ }
+ break;
+
+ case 5:
+ if(p->cgtime > lost) {
+ fprintf(stderr, " > process %d (%s) could use the lost exited child gtime " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ found++;
+ }
+ break;
+ }
+ }
-double utime_fix_ratio = 1.0, stime_fix_ratio = 1.0, gtime_fix_ratio = 1.0, cutime_fix_ratio = 1.0, cstime_fix_ratio = 1.0, cgtime_fix_ratio = 1.0;
-double minflt_fix_ratio = 1.0, majflt_fix_ratio = 1.0, cminflt_fix_ratio = 1.0, cmajflt_fix_ratio = 1.0;
-
-unsigned long long send_resource_usage_to_netdata() {
- static struct timeval last = { 0, 0 };
- static struct rusage me_last;
-
- struct timeval now;
- struct rusage me;
-
- unsigned long long usec;
- unsigned long long cpuuser;
- unsigned long long cpusyst;
-
- if(!last.tv_sec) {
- gettimeofday(&last, NULL);
- getrusage(RUSAGE_SELF, &me_last);
-
- // the first time, give a zero to allow
- // netdata calibrate to the current time
- // usec = update_every * 1000000ULL;
- usec = 0ULL;
- cpuuser = 0;
- cpusyst = 0;
- }
- else {
- gettimeofday(&now, NULL);
- getrusage(RUSAGE_SELF, &me);
-
- usec = usecdiff(&now, &last);
- cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec;
- cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec;
-
- bcopy(&now, &last, sizeof(struct timeval));
- bcopy(&me, &me_last, sizeof(struct rusage));
- }
-
- buffer_sprintf(output,
- "BEGIN netdata.apps_cpu %llu\n"
- "SET user = %llu\n"
- "SET system = %llu\n"
- "END\n"
- "BEGIN netdata.apps_files %llu\n"
- "SET files = %llu\n"
- "SET pids = %ld\n"
- "SET fds = %d\n"
- "SET targets = %ld\n"
- "END\n"
- "BEGIN netdata.apps_fix %llu\n"
- "SET utime = %llu\n"
- "SET stime = %llu\n"
- "SET gtime = %llu\n"
- "SET minflt = %llu\n"
- "SET majflt = %llu\n"
- "END\n"
- , usec
- , cpuuser
- , cpusyst
- , usec
- , file_counter
- , all_pids_count
- , all_files_len
- , apps_groups_targets
- , usec
- , (unsigned long long)(utime_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(stime_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(gtime_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(minflt_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(majflt_fix_ratio * 100 * RATES_DETAIL)
- );
-
- if(include_exited_childs)
- buffer_sprintf(output,
- "BEGIN netdata.apps_children_fix %llu\n"
- "SET cutime = %llu\n"
- "SET cstime = %llu\n"
- "SET cgtime = %llu\n"
- "SET cminflt = %llu\n"
- "SET cmajflt = %llu\n"
- "END\n"
- , usec
- , (unsigned long long)(cutime_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(cstime_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(cgtime_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(cminflt_fix_ratio * 100 * RATES_DETAIL)
- , (unsigned long long)(cmajflt_fix_ratio * 100 * RATES_DETAIL)
- );
-
- return usec;
-}
+ if(!found) {
+ switch(type) {
+ case 1:
+ fprintf(stderr, " > cannot find any process to use the lost exited child minflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
+ break;
-void normalize_data(struct target *root) {
- struct target *w;
-
- // childs processing introduces spikes
- // here we try to eliminate them by disabling childs processing either for specific dimensions
- // or entirely. Of course, either way, we disable it just a single iteration.
-
- unsigned long long max = processors * hz * RATES_DETAIL;
- unsigned long long utime = 0, cutime = 0, stime = 0, cstime = 0, gtime = 0, cgtime = 0, minflt = 0, cminflt = 0, majflt = 0, cmajflt = 0;
-
- if(global_utime > max) global_utime = max;
- if(global_stime > max) global_stime = max;
- if(global_gtime > max) global_gtime = max;
-
- for(w = root; w ; w = w->next) {
- if(w->target || (!w->processes && !w->exposed)) continue;
-
- utime += w->utime;
- stime += w->stime;
- gtime += w->gtime;
- cutime += w->cutime;
- cstime += w->cstime;
- cgtime += w->cgtime;
-
- minflt += w->minflt;
- majflt += w->majflt;
- cminflt += w->cminflt;
- cmajflt += w->cmajflt;
- }
-
- if((global_utime || global_stime || global_gtime) && (utime || stime || gtime)) {
- if(global_utime + global_stime + global_gtime > utime + cutime + stime + cstime + gtime + cgtime) {
- // everything we collected fits
- utime_fix_ratio =
- stime_fix_ratio =
- gtime_fix_ratio =
- cutime_fix_ratio =
- cstime_fix_ratio =
- cgtime_fix_ratio = 1.0; //(double)(global_utime + global_stime) / (double)(utime + cutime + stime + cstime);
- }
- else if(global_utime + global_stime > utime + stime) {
- // childrens resources are too high
- // lower only the children resources
- utime_fix_ratio =
- stime_fix_ratio =
- gtime_fix_ratio = 1.0;
- cutime_fix_ratio =
- cstime_fix_ratio =
- cgtime_fix_ratio = (double)((global_utime + global_stime) - (utime + stime)) / (double)(cutime + cstime);
- }
- else {
- // even running processes are unrealistic
- // zero the children resources
- // lower the running processes resources
- utime_fix_ratio =
- stime_fix_ratio =
- gtime_fix_ratio = (double)(global_utime + global_stime) / (double)(utime + stime);
- cutime_fix_ratio =
- cstime_fix_ratio =
- cgtime_fix_ratio = 0.0;
- }
- }
- else {
- utime_fix_ratio =
- stime_fix_ratio =
- gtime_fix_ratio =
- cutime_fix_ratio =
- cstime_fix_ratio =
- cgtime_fix_ratio = 0.0;
- }
-
- if(utime_fix_ratio > 1.0) utime_fix_ratio = 1.0;
- if(cutime_fix_ratio > 1.0) cutime_fix_ratio = 1.0;
- if(stime_fix_ratio > 1.0) stime_fix_ratio = 1.0;
- if(cstime_fix_ratio > 1.0) cstime_fix_ratio = 1.0;
- if(gtime_fix_ratio > 1.0) gtime_fix_ratio = 1.0;
- if(cgtime_fix_ratio > 1.0) cgtime_fix_ratio = 1.0;
-
- // if(utime_fix_ratio < 0.0) utime_fix_ratio = 0.0;
- // if(cutime_fix_ratio < 0.0) cutime_fix_ratio = 0.0;
- // if(stime_fix_ratio < 0.0) stime_fix_ratio = 0.0;
- // if(cstime_fix_ratio < 0.0) cstime_fix_ratio = 0.0;
- // if(gtime_fix_ratio < 0.0) gtime_fix_ratio = 0.0;
- // if(cgtime_fix_ratio < 0.0) cgtime_fix_ratio = 0.0;
-
- // FIXME
- // we use cpu time to normalize page faults
- // the problem is that to find the proper max values
- // for page faults we have to parse /proc/vmstat
- // which is quite big to do it again (netdata does it already)
- //
- // a better solution could be to somehow have netdata
- // do this normalization for us
-
- if(utime || stime || gtime)
- majflt_fix_ratio =
- minflt_fix_ratio = (double)(utime * utime_fix_ratio + stime * stime_fix_ratio + gtime * gtime_fix_ratio) / (double)(utime + stime + gtime);
- else
- minflt_fix_ratio =
- majflt_fix_ratio = 1.0;
-
- if(cutime || cstime || cgtime)
- cmajflt_fix_ratio =
- cminflt_fix_ratio = (double)(cutime * cutime_fix_ratio + cstime * cstime_fix_ratio + cgtime * cgtime_fix_ratio) / (double)(cutime + cstime + cgtime);
- else
- cminflt_fix_ratio =
- cmajflt_fix_ratio = 1.0;
-
- // the report
-
- if(unlikely(debug)) {
- fprintf(stderr,
- "SYSTEM: u=%llu s=%llu g=%llu "
- "COLLECTED: u=%llu s=%llu g=%llu cu=%llu cs=%llu cg=%llu "
- "DELTA: u=%lld s=%lld g=%lld "
- "FIX: u=%0.2f s=%0.2f g=%0.2f cu=%0.2f cs=%0.2f cg=%0.2f "
- "FINALLY: u=%llu s=%llu g=%llu cu=%llu cs=%llu cg=%llu "
- "\n"
- , global_utime
- , global_stime
- , global_gtime
- , utime
- , stime
- , gtime
- , cutime
- , cstime
- , cgtime
- , (long long)utime + (long long)cutime - (long long)global_utime
- , (long long)stime + (long long)cstime - (long long)global_stime
- , (long long)gtime + (long long)cgtime - (long long)global_gtime
- , utime_fix_ratio
- , stime_fix_ratio
- , gtime_fix_ratio
- , cutime_fix_ratio
- , cstime_fix_ratio
- , cgtime_fix_ratio
- , (unsigned long long)(utime * utime_fix_ratio)
- , (unsigned long long)(stime * stime_fix_ratio)
- , (unsigned long long)(gtime * gtime_fix_ratio)
- , (unsigned long long)(cutime * cutime_fix_ratio)
- , (unsigned long long)(cstime * cstime_fix_ratio)
- , (unsigned long long)(cgtime * cgtime_fix_ratio)
- );
- }
-}
+ case 2:
+ fprintf(stderr, " > cannot find any process to use the lost exited child majflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
+ break;
+
+ case 3:
+ fprintf(stderr, " > cannot find any process to use the lost exited child utime " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
+ break;
-void send_collected_data_to_netdata(struct target *root, const char *type, unsigned long long usec) {
- struct target *w;
-
- send_BEGIN(type, "cpu", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, (unsigned long long)(w->utime * utime_fix_ratio) + (unsigned long long)(w->stime * stime_fix_ratio) + (unsigned long long)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cutime * cutime_fix_ratio) + (unsigned long long)(w->cstime * cstime_fix_ratio) + (unsigned long long)(w->cgtime * cgtime_fix_ratio)):0ULL));
- }
- send_END();
-
- send_BEGIN(type, "cpu_user", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, (unsigned long long)(w->utime * utime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cutime * cutime_fix_ratio)):0ULL));
- }
- send_END();
-
- send_BEGIN(type, "cpu_system", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, (unsigned long long)(w->stime * stime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cstime * cstime_fix_ratio)):0ULL));
- }
- send_END();
-
- if(show_guest_time) {
- send_BEGIN(type, "cpu_guest", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, (unsigned long long)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cgtime * cgtime_fix_ratio)):0ULL));
- }
- send_END();
- }
-
- send_BEGIN(type, "threads", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->num_threads);
- }
- send_END();
-
- send_BEGIN(type, "processes", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->processes);
- }
- send_END();
-
- send_BEGIN(type, "mem", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, (w->statm_resident > w->statm_share)?(w->statm_resident - w->statm_share):0ULL);
- }
- send_END();
-
- send_BEGIN(type, "minor_faults", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, (unsigned long long)(w->minflt * minflt_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cminflt * cminflt_fix_ratio)):0ULL));
- }
- send_END();
-
- send_BEGIN(type, "major_faults", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, (unsigned long long)(w->majflt * majflt_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cmajflt * cmajflt_fix_ratio)):0ULL));
- }
- send_END();
-
- send_BEGIN(type, "lreads", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->io_logical_bytes_read);
- }
- send_END();
-
- send_BEGIN(type, "lwrites", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->io_logical_bytes_written);
- }
- send_END();
-
- send_BEGIN(type, "preads", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->io_storage_bytes_read);
- }
- send_END();
-
- send_BEGIN(type, "pwrites", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->io_storage_bytes_written);
- }
- send_END();
-
- send_BEGIN(type, "files", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->openfiles);
- }
- send_END();
-
- send_BEGIN(type, "sockets", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->opensockets);
- }
- send_END();
-
- send_BEGIN(type, "pipes", usec);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- send_SET(w->name, w->openpipes);
- }
- send_END();
+ case 4:
+ fprintf(stderr, " > cannot find any process to use the lost exited child stime " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
+ break;
+
+ case 5:
+ fprintf(stderr, " > cannot find any process to use the lost exited child gtime " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
+ break;
+ }
+ }
}
+static inline kernel_uint_t remove_exited_child_from_parent(kernel_uint_t *field, kernel_uint_t *pfield) {
+ kernel_uint_t absorbed = 0;
-// ----------------------------------------------------------------------------
-// generate the charts
+ if(*field > *pfield) {
+ absorbed += *pfield;
+ *field -= *pfield;
+ *pfield = 0;
+ }
+ else {
+ absorbed += *field;
+ *pfield -= *field;
+ *field = 0;
+ }
-void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
-{
- struct target *w;
- int newly_added = 0;
-
- for(w = root ; w ; w = w->next) {
- if (w->target) continue;
-
- if (!w->exposed && w->processes) {
- newly_added++;
- w->exposed = 1;
- if (debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
- }
- }
-
- // nothing more to show
- if(!newly_added && show_guest_time == show_guest_time_old) return;
-
- // we have something new to show
- // update the charts
- buffer_sprintf(output, "CHART %s.cpu '' '%s CPU Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu %s\n", w->name, hz * RATES_DETAIL / 100, w->hidden ? "hidden" : "");
- }
-
- buffer_sprintf(output, "CHART %s.mem '' '%s Dedicated Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
- }
-
- buffer_sprintf(output, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20005 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
- }
-
- buffer_sprintf(output, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20004 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
- }
-
- buffer_sprintf(output, "CHART %s.cpu_user '' '%s CPU User Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
- }
-
- buffer_sprintf(output, "CHART %s.cpu_system '' '%s CPU System Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
- }
-
- if(show_guest_time) {
- buffer_sprintf(output, "CHART %s.cpu_guest '' '%s CPU Guest Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20022 %d\n", type, title, (processors * 100), processors, (processors > 1) ? "s" : "", type, update_every);
- for (w = root; w; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
- }
- }
-
- buffer_sprintf(output, "CHART %s.major_faults '' '%s Major Page Faults (swap read)' 'page faults/s' swap %s.major_faults stacked 20010 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
- }
-
- buffer_sprintf(output, "CHART %s.minor_faults '' '%s Minor Page Faults' 'page faults/s' mem %s.minor_faults stacked 20011 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
- }
-
- buffer_sprintf(output, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
- }
-
- buffer_sprintf(output, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
- }
-
- buffer_sprintf(output, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
- }
-
- buffer_sprintf(output, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
- }
-
- buffer_sprintf(output, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
- }
-
- buffer_sprintf(output, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
- }
-
- buffer_sprintf(output, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type, title, type, update_every);
- for (w = root; w ; w = w->next) {
- if(unlikely(w->exposed))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
- }
+ return absorbed;
}
+static inline void process_exited_processes() {
+ struct pid_stat *p;
-// ----------------------------------------------------------------------------
-// parse command line arguments
+ for(p = root_of_pids; p ; p = p->next) {
+ if(p->updated || !p->stat_collected_usec)
+ continue;
-void parse_args(int argc, char **argv)
-{
- int i, freq = 0;
- char *name = NULL;
-
- for(i = 1; i < argc; i++) {
- if(!freq) {
- int n = atoi(argv[i]);
- if(n > 0) {
- freq = n;
- continue;
- }
- }
-
- if(strcmp("debug", argv[i]) == 0) {
- debug = 1;
- // debug_flags = 0xffffffff;
- continue;
- }
-
- if(strcmp("no-childs", argv[i]) == 0 || strcmp("without-childs", argv[i]) == 0) {
- include_exited_childs = 0;
- continue;
- }
-
- if(strcmp("with-childs", argv[i]) == 0) {
- include_exited_childs = 1;
- continue;
- }
+ kernel_uint_t utime = (p->utime_raw + p->cutime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t stime = (p->stime_raw + p->cstime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t gtime = (p->gtime_raw + p->cgtime_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t minflt = (p->minflt_raw + p->cminflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t majflt = (p->majflt_raw + p->cmajflt_raw) * (1000000ULL * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
- if(strcmp("with-guest", argv[i]) == 0) {
- enable_guest_charts = 1;
+ if(utime + stime + gtime + minflt + majflt == 0)
continue;
+
+ if(unlikely(debug)) {
+ log_date(stderr);
+ fprintf(stderr, "Absorb %s (%d %s total resources: utime=" KERNEL_UINT_FORMAT " stime=" KERNEL_UINT_FORMAT " gtime=" KERNEL_UINT_FORMAT " minflt=" KERNEL_UINT_FORMAT " majflt=" KERNEL_UINT_FORMAT ")\n"
+ , p->comm
+ , p->pid
+ , p->updated?"running":"exited"
+ , utime
+ , stime
+ , gtime
+ , minflt
+ , majflt
+ );
+ print_process_tree(p, "Searching parents");
}
- if(strcmp("no-guest", argv[i]) == 0 || strcmp("without-guest", argv[i]) == 0) {
- enable_guest_charts = 0;
- continue;
+ struct pid_stat *pp;
+ for(pp = p->parent; pp ; pp = pp->parent) {
+ if(!pp->updated) continue;
+
+ kernel_uint_t absorbed;
+ absorbed = remove_exited_child_from_parent(&utime, &pp->cutime);
+ if(unlikely(debug && absorbed))
+ fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " utime (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, utime);
+
+ absorbed = remove_exited_child_from_parent(&stime, &pp->cstime);
+ if(unlikely(debug && absorbed))
+ fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " stime (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, stime);
+
+ absorbed = remove_exited_child_from_parent(>ime, &pp->cgtime);
+ if(unlikely(debug && absorbed))
+ fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " gtime (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, gtime);
+
+ absorbed = remove_exited_child_from_parent(&minflt, &pp->cminflt);
+ if(unlikely(debug && absorbed))
+ fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " minflt (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, minflt);
+
+ absorbed = remove_exited_child_from_parent(&majflt, &pp->cmajflt);
+ if(unlikely(debug && absorbed))
+ fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " majflt (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, majflt);
}
- if(!name) {
- name = argv[i];
- continue;
- }
+ if(unlikely(utime + stime + gtime + minflt + majflt > 0)) {
+ if(unlikely(debug)) {
+ if(utime) find_lost_child_debug(p, utime, 3);
+ if(stime) find_lost_child_debug(p, stime, 4);
+ if(gtime) find_lost_child_debug(p, gtime, 5);
+ if(minflt) find_lost_child_debug(p, minflt, 1);
+ if(majflt) find_lost_child_debug(p, majflt, 2);
+ }
+
+ p->keep = 1;
+
+ if(unlikely(debug))
+ fprintf(stderr, " > remaining resources - KEEP - for another loop: %s (%d %s total resources: utime=" KERNEL_UINT_FORMAT " stime=" KERNEL_UINT_FORMAT " gtime=" KERNEL_UINT_FORMAT " minflt=" KERNEL_UINT_FORMAT " majflt=" KERNEL_UINT_FORMAT ")\n"
+ , p->comm
+ , p->pid
+ , p->updated?"running":"exited"
+ , utime
+ , stime
+ , gtime
+ , minflt
+ , majflt
+ );
+
+ for(pp = p->parent; pp ; pp = pp->parent) {
+ if(pp->updated) break;
+ pp->keep = 1;
+
+ if(unlikely(debug))
+ fprintf(stderr, " > - KEEP - parent for another loop: %s (%d %s)\n"
+ , pp->comm
+ , pp->pid
+ , pp->updated?"running":"exited"
+ );
+ }
+
+ p->utime_raw = utime * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
+ p->stime_raw = stime * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
+ p->gtime_raw = gtime * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
+ p->minflt_raw = minflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
+ p->majflt_raw = majflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
+ p->cutime_raw = p->cstime_raw = p->cgtime_raw = p->cminflt_raw = p->cmajflt_raw = 0;
+
+ if(unlikely(debug))
+ fprintf(stderr, "\n");
+ }
+ else if(unlikely(debug)) {
+ fprintf(stderr, " > totally absorbed - DONE - %s (%d %s)\n"
+ , p->comm
+ , p->pid
+ , p->updated?"running":"exited"
+ );
+ }
+ }
+}
- error("Cannot understand option %s", argv[i]);
- exit(1);
- }
+static inline void link_all_processes_to_their_parents(void) {
+ struct pid_stat *p, *pp;
+
+ // link all children to their parents
+ // and update children count on parents
+ for(p = root_of_pids; p ; p = p->next) {
+ // for each process found
+
+ p->sortlist = 0;
+ p->parent = NULL;
+
+ if(unlikely(!p->ppid)) {
+ p->parent = NULL;
+ continue;
+ }
- if(freq > 0) update_every = freq;
- if(!name) name = "groups";
+ pp = all_pids[p->ppid];
+ if(likely(pp)) {
+ p->parent = pp;
+ pp->children_count++;
- if(read_apps_groups_conf(name)) {
- error("Cannot read process groups %s", name);
- exit(1);
- }
+ if(unlikely(debug || (p->target && p->target->debug)))
+ fprintf(stderr, "apps.plugin: \tchild %d (%s, %s) on target '%s' has parent %d (%s, %s). Parent: utime=" KERNEL_UINT_FORMAT ", stime=" KERNEL_UINT_FORMAT ", gtime=" KERNEL_UINT_FORMAT ", minflt=" KERNEL_UINT_FORMAT ", majflt=" KERNEL_UINT_FORMAT ", cutime=" KERNEL_UINT_FORMAT ", cstime=" KERNEL_UINT_FORMAT ", cgtime=" KERNEL_UINT_FORMAT ", cminflt=" KERNEL_UINT_FORMAT ", cmajflt=" KERNEL_UINT_FORMAT "\n", p->pid, p->comm, p->updated?"running":"exited", (p->target)?p->target->name:"UNSET", pp->pid, pp->comm, pp->updated?"running":"exited", pp->utime, pp->stime, pp->gtime, pp->minflt, pp->majflt, pp->cutime, pp->cstime, pp->cgtime, pp->cminflt, pp->cmajflt);
+ }
+ else {
+ p->parent = NULL;
+ error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
+ }
+ }
}
-int main(int argc, char **argv)
-{
- // debug_flags = D_PROCFILE;
+// ----------------------------------------------------------------------------
- // set the name for logging
- program_name = "apps.plugin";
+// 1. read all files in /proc
+// 2. for each numeric directory:
+// i. read /proc/pid/stat
+// ii. read /proc/pid/statm
+// iii. read /proc/pid/io (requires root access)
+// iii. read the entries in directory /proc/pid/fd (requires root access)
+// for each entry:
+// a. find or create a struct file_descriptor
+// b. cleanup any old/unused file_descriptors
- // disable syslog for apps.plugin
- error_log_syslog = 0;
+// after all these, some pids may be linked to targets, while others may not
- // set errors flood protection to 100 logs per hour
- error_log_errors_per_period = 100;
- error_log_throttle_period = 3600;
+// in case of errors, only 1 every 1000 errors is printed
+// to avoid filling up all disk space
+// if debug is enabled, all errors are printed
- host_prefix = getenv("NETDATA_HOST_PREFIX");
- if(host_prefix == NULL) {
- info("NETDATA_HOST_PREFIX is not passed from netdata");
- host_prefix = "";
- }
- else info("Found NETDATA_HOST_PREFIX='%s'", host_prefix);
+static int compar_pid(const void *pid1, const void *pid2) {
- config_dir = getenv("NETDATA_CONFIG_DIR");
- if(config_dir == NULL) {
- info("NETDATA_CONFIG_DIR is not passed from netdata");
- config_dir = CONFIG_DIR;
- }
- else info("Found NETDATA_CONFIG_DIR='%s'", config_dir);
+ struct pid_stat *p1 = all_pids[*((pid_t *)pid1)];
+ struct pid_stat *p2 = all_pids[*((pid_t *)pid2)];
-#ifdef NETDATA_INTERNAL_CHECKS
- if(debug_flags != 0) {
- struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
- if(setrlimit(RLIMIT_CORE, &rl) != 0)
- info("Cannot request unlimited core dumps for debugging... Proceeding anyway...");
- prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
- }
-#endif /* NETDATA_INTERNAL_CHECKS */
+ if(p1->sortlist > p2->sortlist)
+ return -1;
+ else
+ return 1;
+}
- procfile_adaptive_initial_allocation = 1;
-
- time_t started_t = time(NULL);
- time_t current_t;
- get_HZ();
- pid_max = get_system_pid_max();
- processors = get_system_cpus();
-
- parse_args(argc, argv);
-
- all_pids_sortlist = calloc(sizeof(pid_t), (size_t)pid_max);
- if(!all_pids_sortlist) {
- error("Cannot allocate %zu bytes of memory.", sizeof(pid_t) * pid_max);
- printf("DISABLE\n");
- exit(1);
- }
-
- all_pids = calloc(sizeof(struct pid_stat *), (size_t) pid_max);
- if(!all_pids) {
- error("Cannot allocate %zu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
- printf("DISABLE\n");
- exit(1);
- }
-
- output = buffer_create(1024);
- if(!output)
- fatal("Cannot create BUFFER.");
-
- buffer_sprintf(output,
- "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %1$d\n"
- "DIMENSION user '' incremental 1 1000\n"
- "DIMENSION system '' incremental 1 1000\n"
- "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %1$d\n"
- "DIMENSION files '' incremental 1 1\n"
- "DIMENSION pids '' absolute 1 1\n"
- "DIMENSION fds '' absolute 1 1\n"
- "DIMENSION targets '' absolute 1 1\n"
- "CHART netdata.apps_fix '' 'Apps Plugin Normalization Ratios' 'percentage' apps.plugin netdata.apps_fix line 140002 %1$d\n"
- "DIMENSION utime '' absolute 1 %2$llu\n"
- "DIMENSION stime '' absolute 1 %2$llu\n"
- "DIMENSION gtime '' absolute 1 %2$llu\n"
- "DIMENSION minflt '' absolute 1 %2$llu\n"
- "DIMENSION majflt '' absolute 1 %2$llu\n"
- , update_every
- , RATES_DETAIL
- );
-
- if(include_exited_childs)
- buffer_sprintf(output,
- "CHART netdata.apps_children_fix '' 'Apps Plugin Exited Children Normalization Ratios' 'percentage' apps.plugin netdata.apps_children_fix line 140003 %1$d\n"
- "DIMENSION cutime '' absolute 1 %2$llu\n"
- "DIMENSION cstime '' absolute 1 %2$llu\n"
- "DIMENSION cgtime '' absolute 1 %2$llu\n"
- "DIMENSION cminflt '' absolute 1 %2$llu\n"
- "DIMENSION cmajflt '' absolute 1 %2$llu\n"
- , update_every
- , RATES_DETAIL
- );
-
-#ifndef PROFILING_MODE
- unsigned long long sunext = (time(NULL) - (time(NULL) % update_every) + update_every) * 1000000ULL;
- unsigned long long sunow;
-#endif /* PROFILING_MODE */
-
- global_iterations_counter = 1;
- for(;1; global_iterations_counter++) {
-#ifndef PROFILING_MODE
- // delay until it is our time to run
- while((sunow = timems()) < sunext)
- usecsleep(sunext - sunow);
-
- // find the next time we need to run
- while(timems() > sunext)
- sunext += update_every * 1000000ULL;
-#endif /* PROFILING_MODE */
-
- if(!collect_data_for_all_processes_from_proc()) {
- error("Cannot collect /proc data for running processes. Disabling apps.plugin...");
- printf("DISABLE\n");
- exit(1);
- }
-
- calculate_netdata_statistics();
- normalize_data(apps_groups_root_target);
-
- unsigned long long dt = send_resource_usage_to_netdata();
-
- // this is smart enough to show only newly added apps, when needed
- send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps");
- send_charts_updates_to_netdata(users_root_target, "users", "Users");
- send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups");
-
- send_collected_data_to_netdata(apps_groups_root_target, "apps", dt);
- send_collected_data_to_netdata(users_root_target, "users", dt);
- send_collected_data_to_netdata(groups_root_target, "groups", dt);
-
- show_guest_time_old = show_guest_time;
-
- //if(puts(buffer_tostring(output)) == EOF)
- if(write(STDOUT_FILENO, buffer_tostring(output), buffer_strlen(output)) == -1)
- fatal("Cannot send chart values to netdata.");
-
- // fflush(stdout);
- buffer_flush(output);
-
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: done Loop No %llu\n", global_iterations_counter);
-
- current_t = time(NULL);
-
-#ifndef PROFILING_MODE
- // restart check (14400 seconds)
- if(current_t - started_t > 14400) exit(0);
-#else
- if(current_t - started_t > 10) exit(0);
-#endif /* PROFILING_MODE */
- }
+static inline int managed_log(struct pid_stat *p, uint32_t log, int status) {
+ if(unlikely(!status)) {
+ // error("command failed log %u, errno %d", log, errno);
+
+ if(unlikely(debug || errno != ENOENT)) {
+ if(unlikely(debug || !(p->log_thrown & log))) {
+ p->log_thrown |= log;
+ switch(log) {
+ case PID_LOG_IO:
+ error("Cannot process %s/proc/%d/io (command '%s')", global_host_prefix, p->pid, p->comm);
+ break;
+
+ case PID_LOG_STATM:
+ error("Cannot process %s/proc/%d/statm (command '%s')", global_host_prefix, p->pid, p->comm);
+ break;
+
+ case PID_LOG_CMDLINE:
+ error("Cannot process %s/proc/%d/cmdline (command '%s')", global_host_prefix, p->pid, p->comm);
+ break;
+
+ case PID_LOG_FDS:
+ error("Cannot process entries in %s/proc/%d/fd (command '%s')", global_host_prefix, p->pid, p->comm);
+ break;
+
+ case PID_LOG_STAT:
+ break;
+
+ default:
+ error("unhandled error for pid %d, command '%s'", p->pid, p->comm);
+ break;
+ }
+ }
+ }
+ errno = 0;
+ }
+ else if(unlikely(p->log_thrown & log)) {
+ // error("unsetting log %u on pid %d", log, p->pid);
+ p->log_thrown &= ~log;
+ }
+
+ return status;
+}
+
+static inline void assign_target_to_pid(struct pid_stat *p) {
+ uint32_t hash = simple_hash(p->comm);
+ size_t pclen = strlen(p->comm);
+
+ struct target *w;
+ for(w = apps_groups_root_target; w ; w = w->next) {
+ // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
+
+ // find it - 4 cases:
+ // 1. the target is not a pattern
+ // 2. the target has the prefix
+ // 3. the target has the suffix
+ // 4. the target is something inside cmdline
+
+ if(unlikely(( (!w->starts_with && !w->ends_with && w->comparehash == hash && !strcmp(w->compare, p->comm))
+ || (w->starts_with && !w->ends_with && !strncmp(w->compare, p->comm, w->comparelen))
+ || (!w->starts_with && w->ends_with && pclen >= w->comparelen && !strcmp(w->compare, &p->comm[pclen - w->comparelen]))
+ || (proc_pid_cmdline_is_needed && w->starts_with && w->ends_with && strstr(p->cmdline, w->compare))
+ ))) {
+
+ if(w->target) p->target = w->target;
+ else p->target = w;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
+
+ break;
+ }
+ }
+}
+
+static inline int collect_data_for_pid(pid_t pid) {
+ if(unlikely(pid <= 0 || pid > pid_max)) {
+ error("Invalid pid %d read (expected 1 to %d). Ignoring process.", pid, pid_max);
+ return 0;
+ }
+
+ struct pid_stat *p = get_pid_entry(pid);
+ if(unlikely(!p || p->read)) return 0;
+ p->read = 1;
+
+ // fprintf(stderr, "Reading process %d (%s), sortlist %d\n", p->pid, p->comm, p->sortlist);
+
+ // --------------------------------------------------------------------
+ // /proc/<pid>/stat
+
+ if(unlikely(!managed_log(p, PID_LOG_STAT, read_proc_pid_stat(p))))
+ // there is no reason to proceed if we cannot get its status
+ return 0;
+
+ read_proc_pid_ownership(p);
+
+ // check its parent pid
+ if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
+ error("Pid %d (command '%s') states invalid parent pid %d. Using 0.", pid, p->comm, p->ppid);
+ p->ppid = 0;
+ }
+
+ // --------------------------------------------------------------------
+ // /proc/<pid>/io
+
+ managed_log(p, PID_LOG_IO, read_proc_pid_io(p));
+
+ // --------------------------------------------------------------------
+ // /proc/<pid>/statm
+
+ if(unlikely(!managed_log(p, PID_LOG_STATM, read_proc_pid_statm(p))))
+ // there is no reason to proceed if we cannot get its memory status
+ return 0;
+
+ // --------------------------------------------------------------------
+ // link it
+
+ // check if it is target
+ // we do this only once, the first time this pid is loaded
+ if(unlikely(p->new_entry)) {
+ // /proc/<pid>/cmdline
+ if(likely(proc_pid_cmdline_is_needed))
+ managed_log(p, PID_LOG_CMDLINE, read_proc_pid_cmdline(p));
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: \tJust added %d (%s)\n", pid, p->comm);
+
+ assign_target_to_pid(p);
+ }
+
+ // --------------------------------------------------------------------
+ // /proc/<pid>/fd
+
+ if(enable_file_charts)
+ managed_log(p, PID_LOG_FDS, read_pid_file_descriptors(p));
+
+ // --------------------------------------------------------------------
+ // done!
+
+ if(unlikely(debug && include_exited_childs && all_pids_count && p->ppid && all_pids[p->ppid] && !all_pids[p->ppid]->read))
+ fprintf(stderr, "Read process %d (%s) sortlisted %d, but its parent %d (%s) sortlisted %d, is not read\n", p->pid, p->comm, p->sortlist, all_pids[p->ppid]->pid, all_pids[p->ppid]->comm, all_pids[p->ppid]->sortlist);
+
+ // mark it as updated
+ p->updated = 1;
+ p->keep = 0;
+ p->keeploops = 0;
+
+ return 1;
+}
+
+static int collect_data_for_all_processes(void) {
+ struct pid_stat *p = NULL;
+
+ if(all_pids_count) {
+ size_t slc = 0;
+ for(p = root_of_pids; p ; p = p->next) {
+ p->read = 0; // mark it as not read, so that collect_data_for_pid() will read it
+ p->updated = 0;
+ p->new_entry = 0;
+ p->merged = 0;
+ p->children_count = 0;
+ p->parent = NULL;
+
+ all_pids_sortlist[slc++] = p->pid;
+ }
+
+ if(unlikely(slc != all_pids_count)) {
+ error("Internal error: I was thinking I had %zu processes in my arrays, but it seems there are more.", all_pids_count);
+ all_pids_count = slc;
+ }
+
+ if(include_exited_childs) {
+ // Read parents before childs
+ // This is needed to prevent a situation where
+ // a child is found running, but until we read
+ // its parent, it has exited and its parent
+ // has accumulated its resources.
+
+ qsort((void *)all_pids_sortlist, (size_t)all_pids_count, sizeof(pid_t), compar_pid);
+
+ // we forward read all running processes
+ // collect_data_for_pid() is smart enough,
+ // not to read the same pid twice per iterations
+ for(slc = 0; slc < all_pids_count; slc++)
+ collect_data_for_pid(all_pids_sortlist[slc]);
+ }
+ }
+
+ char dirname[FILENAME_MAX + 1];
+
+ snprintfz(dirname, FILENAME_MAX, "%s/proc", global_host_prefix);
+ DIR *dir = opendir(dirname);
+ if(!dir) return 0;
+
+ struct dirent *de = NULL;
+
+ while((de = readdir(dir))) {
+ char *endptr = de->d_name;
+
+ if(unlikely(de->d_type != DT_DIR || de->d_name[0] < '0' || de->d_name[0] > '9'))
+ continue;
+
+ pid_t pid = (pid_t) strtoul(de->d_name, &endptr, 10);
+
+ // make sure we read a valid number
+ if(unlikely(endptr == de->d_name || *endptr != '\0'))
+ continue;
+
+ collect_data_for_pid(pid);
+ }
+ closedir(dir);
+
+ if(!all_pids_count)
+ return 0;
+
+ // we need /proc/stat to normalize the cpu consumption of the exited childs
+ read_proc_stat();
+
+ // build the process tree
+ link_all_processes_to_their_parents();
+
+ // normally this is done
+ // however we may have processes exited while we collected values
+ // so let's find the exited ones
+ // we do this by collecting the ownership of process
+ // if we manage to get the ownership, the process still runs
+ process_exited_processes();
+
+ return 1;
+}
+
+// ----------------------------------------------------------------------------
+// update statistics on the targets
+
+// 1. link all childs to their parents
+// 2. go from bottom to top, marking as merged all childs to their parents
+// this step links all parents without a target to the child target, if any
+// 3. link all top level processes (the ones not merged) to the default target
+// 4. go from top to bottom, linking all childs without a target, to their parent target
+// after this step, all processes have a target
+// [5. for each killed pid (updated = 0), remove its usage from its target]
+// 6. zero all apps_groups_targets
+// 7. concentrate all values on the apps_groups_targets
+// 8. remove all killed processes
+// 9. find the unique file count for each target
+// check: update_apps_groups_statistics()
+
+static void cleanup_exited_pids(void) {
+ int c;
+ struct pid_stat *p = NULL;
+
+ for(p = root_of_pids; p ;) {
+ if(!p->updated && (!p->keep || p->keeploops > 0)) {
+ if(unlikely(debug && (p->keep || p->keeploops)))
+ fprintf(stderr, " > CLEANUP cannot keep exited process %d (%s) anymore - removing it.\n", p->pid, p->comm);
+
+ for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
+ file_descriptor_not_used(p->fds[c]);
+ p->fds[c] = 0;
+ }
+
+ pid_t r = p->pid;
+ p = p->next;
+ del_pid_entry(r);
+ }
+ else {
+ if(unlikely(p->keep)) p->keeploops++;
+ p->keep = 0;
+ p = p->next;
+ }
+ }
+}
+
+static void apply_apps_groups_targets_inheritance(void) {
+ struct pid_stat *p = NULL;
+
+ // children that do not have a target
+ // inherit their target from their parent
+ int found = 1, loops = 0;
+ while(found) {
+ if(unlikely(debug)) loops++;
+ found = 0;
+ for(p = root_of_pids; p ; p = p->next) {
+ // if this process does not have a target
+ // and it has a parent
+ // and its parent has a target
+ // then, set the parent's target to this process
+ if(unlikely(!p->target && p->parent && p->parent->target)) {
+ p->target = p->parent->target;
+ found++;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
+ }
+ }
+ }
+
+ // find all the procs with 0 childs and merge them to their parents
+ // repeat, until nothing more can be done.
+ int sortlist = 1;
+ found = 1;
+ while(found) {
+ if(unlikely(debug)) loops++;
+ found = 0;
+
+ for(p = root_of_pids; p ; p = p->next) {
+ if(unlikely(!p->sortlist && !p->children_count))
+ p->sortlist = sortlist++;
+
+ // if this process does not have any children
+ // and is not already merged
+ // and has a parent
+ // and its parent has children
+ // and the target of this process and its parent is the same, or the parent does not have a target
+ // and its parent is not init
+ // then, mark them as merged.
+ if(unlikely(
+ !p->children_count
+ && !p->merged
+ && p->parent
+ && p->parent->children_count
+ && (p->target == p->parent->target || !p->parent->target)
+ && p->ppid != 1
+ )) {
+ p->parent->children_count--;
+ p->merged = 1;
+
+ // the parent inherits the child's target, if it does not have a target itself
+ if(unlikely(p->target && !p->parent->target)) {
+ p->parent->target = p->target;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
+ }
+
+ found++;
+ }
+ }
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: TARGET INHERITANCE: merged %d processes\n", found);
+ }
+
+ // init goes always to default target
+ if(all_pids[1])
+ all_pids[1]->target = apps_groups_default_target;
+
+ // give a default target on all top level processes
+ if(unlikely(debug)) loops++;
+ for(p = root_of_pids; p ; p = p->next) {
+ // if the process is not merged itself
+ // then is is a top level process
+ if(unlikely(!p->merged && !p->target))
+ p->target = apps_groups_default_target;
+
+ // make sure all processes have a sortlist
+ if(unlikely(!p->sortlist))
+ p->sortlist = sortlist++;
+ }
+
+ if(all_pids[1])
+ all_pids[1]->sortlist = sortlist++;
+
+ // give a target to all merged child processes
+ found = 1;
+ while(found) {
+ if(unlikely(debug)) loops++;
+ found = 0;
+ for(p = root_of_pids; p ; p = p->next) {
+ if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) {
+ p->target = p->parent->target;
+ found++;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
+ }
+ }
+ }
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: apply_apps_groups_targets_inheritance() made %d loops on the process tree\n", loops);
+}
+
+static size_t zero_all_targets(struct target *root) {
+ struct target *w;
+ size_t count = 0;
+
+ for (w = root; w ; w = w->next) {
+ count++;
+
+ w->minflt = 0;
+ w->majflt = 0;
+ w->utime = 0;
+ w->stime = 0;
+ w->gtime = 0;
+ w->cminflt = 0;
+ w->cmajflt = 0;
+ w->cutime = 0;
+ w->cstime = 0;
+ w->cgtime = 0;
+ w->num_threads = 0;
+ // w->rss = 0;
+ w->processes = 0;
+
+ w->statm_size = 0;
+ w->statm_resident = 0;
+ w->statm_share = 0;
+ // w->statm_text = 0;
+ // w->statm_lib = 0;
+ // w->statm_data = 0;
+ // w->statm_dirty = 0;
+
+ w->io_logical_bytes_read = 0;
+ w->io_logical_bytes_written = 0;
+ // w->io_read_calls = 0;
+ // w->io_write_calls = 0;
+ w->io_storage_bytes_read = 0;
+ w->io_storage_bytes_written = 0;
+ // w->io_cancelled_write_bytes = 0;
+
+ // zero file counters
+ if(w->target_fds) {
+ memset(w->target_fds, 0, sizeof(int) * w->target_fds_size);
+ w->openfiles = 0;
+ w->openpipes = 0;
+ w->opensockets = 0;
+ w->openinotifies = 0;
+ w->openeventfds = 0;
+ w->opentimerfds = 0;
+ w->opensignalfds = 0;
+ w->openeventpolls = 0;
+ w->openother = 0;
+ }
+ }
+
+ return count;
+}
+
+static inline void reallocate_target_fds(struct target *w) {
+ if(unlikely(!w))
+ return;
+
+ if(unlikely(!w->target_fds || w->target_fds_size < all_files_size)) {
+ w->target_fds = reallocz(w->target_fds, sizeof(int) * all_files_size);
+ memset(&w->target_fds[w->target_fds_size], 0, sizeof(int) * (all_files_size - w->target_fds_size));
+ w->target_fds_size = all_files_size;
+ }
+}
+
+static inline void aggregate_fd_on_target(int fd, struct target *w) {
+ if(unlikely(!w))
+ return;
+
+ if(unlikely(w->target_fds[fd])) {
+ // it is already aggregated
+ // just increase its usage counter
+ w->target_fds[fd]++;
+ return;
+ }
+
+ // increase its usage counter
+ // so that we will not add it again
+ w->target_fds[fd]++;
+
+ switch(all_files[fd].type) {
+ case FILETYPE_FILE:
+ w->openfiles++;
+ break;
+
+ case FILETYPE_PIPE:
+ w->openpipes++;
+ break;
+
+ case FILETYPE_SOCKET:
+ w->opensockets++;
+ break;
+
+ case FILETYPE_INOTIFY:
+ w->openinotifies++;
+ break;
+
+ case FILETYPE_EVENTFD:
+ w->openeventfds++;
+ break;
+
+ case FILETYPE_TIMERFD:
+ w->opentimerfds++;
+ break;
+
+ case FILETYPE_SIGNALFD:
+ w->opensignalfds++;
+ break;
+
+ case FILETYPE_EVENTPOLL:
+ w->openeventpolls++;
+ break;
+
+ case FILETYPE_OTHER:
+ w->openother++;
+ break;
+ }
+}
+
+static inline void aggregate_pid_fds_on_targets(struct pid_stat *p) {
+
+ if(unlikely(!p->updated)) {
+ // the process is not running
+ return;
+ }
+
+ struct target *w = p->target, *u = p->user_target, *g = p->group_target;
+
+ reallocate_target_fds(w);
+ reallocate_target_fds(u);
+ reallocate_target_fds(g);
+
+ int c, size = p->fds_size, *fds = p->fds;
+ for(c = 0; c < size ;c++) {
+ int fd = fds[c];
+
+ if(likely(fd <= 0 || fd >= all_files_size))
+ continue;
+
+ aggregate_fd_on_target(fd, w);
+ aggregate_fd_on_target(fd, u);
+ aggregate_fd_on_target(fd, g);
+ }
+}
+
+static inline void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
+ (void)o;
+
+ if(unlikely(!p->updated)) {
+ // the process is not running
+ return;
+ }
+
+ if(unlikely(!w)) {
+ error("pid %d %s was left without a target!", p->pid, p->comm);
+ return;
+ }
+
+ w->cutime += p->cutime;
+ w->cstime += p->cstime;
+ w->cgtime += p->cgtime;
+ w->cminflt += p->cminflt;
+ w->cmajflt += p->cmajflt;
+
+ w->utime += p->utime;
+ w->stime += p->stime;
+ w->gtime += p->gtime;
+ w->minflt += p->minflt;
+ w->majflt += p->majflt;
+
+ // w->rss += p->rss;
+
+ w->statm_size += p->statm_size;
+ w->statm_resident += p->statm_resident;
+ w->statm_share += p->statm_share;
+ // w->statm_text += p->statm_text;
+ // w->statm_lib += p->statm_lib;
+ // w->statm_data += p->statm_data;
+ // w->statm_dirty += p->statm_dirty;
+
+ w->io_logical_bytes_read += p->io_logical_bytes_read;
+ w->io_logical_bytes_written += p->io_logical_bytes_written;
+ // w->io_read_calls += p->io_read_calls;
+ // w->io_write_calls += p->io_write_calls;
+ w->io_storage_bytes_read += p->io_storage_bytes_read;
+ w->io_storage_bytes_written += p->io_storage_bytes_written;
+ // w->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+
+ w->processes++;
+ w->num_threads += p->num_threads;
+
+ if(unlikely(debug || w->debug))
+ fprintf(stderr, "apps.plugin: \taggregating '%s' pid %d on target '%s' utime=" KERNEL_UINT_FORMAT ", stime=" KERNEL_UINT_FORMAT ", gtime=" KERNEL_UINT_FORMAT ", cutime=" KERNEL_UINT_FORMAT ", cstime=" KERNEL_UINT_FORMAT ", cgtime=" KERNEL_UINT_FORMAT ", minflt=" KERNEL_UINT_FORMAT ", majflt=" KERNEL_UINT_FORMAT ", cminflt=" KERNEL_UINT_FORMAT ", cmajflt=" KERNEL_UINT_FORMAT "\n", p->comm, p->pid, w->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+}
+
+static void calculate_netdata_statistics(void) {
+
+ apply_apps_groups_targets_inheritance();
+
+ zero_all_targets(users_root_target);
+ zero_all_targets(groups_root_target);
+ apps_groups_targets_count = zero_all_targets(apps_groups_root_target);
+
+ // this has to be done, before the cleanup
+ struct pid_stat *p = NULL;
+ struct target *w = NULL, *o = NULL;
+
+ // concentrate everything on the targets
+ for(p = root_of_pids; p ; p = p->next) {
+
+ // --------------------------------------------------------------------
+ // apps_groups target
+
+ aggregate_pid_on_target(p->target, p, NULL);
+
+
+ // --------------------------------------------------------------------
+ // user target
+
+ o = p->user_target;
+ if(likely(p->user_target && p->user_target->uid == p->uid))
+ w = p->user_target;
+ else {
+ if(unlikely(debug && p->user_target))
+ fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %u (%s) to %u.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid);
+
+ w = p->user_target = get_users_target(p->uid);
+ }
+
+ aggregate_pid_on_target(w, p, o);
+
+
+ // --------------------------------------------------------------------
+ // user group target
+
+ o = p->group_target;
+ if(likely(p->group_target && p->group_target->gid == p->gid))
+ w = p->group_target;
+ else {
+ if(unlikely(debug && p->group_target))
+ fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %u (%s) to %u.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid);
+
+ w = p->group_target = get_groups_target(p->gid);
+ }
+
+ aggregate_pid_on_target(w, p, o);
+
+
+ // --------------------------------------------------------------------
+ // aggregate all file descriptors
+
+ if(enable_file_charts)
+ aggregate_pid_fds_on_targets(p);
+ }
+
+ cleanup_exited_pids();
+}
+
+// ----------------------------------------------------------------------------
+// update chart dimensions
+
+int print_calculated_number(char *str, calculated_number value) { (void)str; (void)value; return 0; }
+
+static inline void send_BEGIN(const char *type, const char *id, usec_t usec) {
+ fprintf(stdout, "BEGIN %s.%s %llu\n", type, id, usec);
+}
+
+static inline void send_SET(const char *name, kernel_uint_t value) {
+ fprintf(stdout, "SET %s = " KERNEL_UINT_FORMAT "\n", name, value);
+}
+
+static inline void send_END(void) {
+ fprintf(stdout, "END\n");
+}
+
+static usec_t send_resource_usage_to_netdata() {
+ static struct timeval last = { 0, 0 };
+ static struct rusage me_last;
+
+ struct timeval now;
+ struct rusage me;
+
+ usec_t usec;
+ usec_t cpuuser;
+ usec_t cpusyst;
+
+ if(!last.tv_sec) {
+ now_monotonic_timeval(&last);
+ getrusage(RUSAGE_SELF, &me_last);
+
+ // the first time, give a zero to allow
+ // netdata calibrate to the current time
+ // usec = update_every * USEC_PER_SEC;
+ usec = 0ULL;
+ cpuuser = 0;
+ cpusyst = 0;
+ }
+ else {
+ now_monotonic_timeval(&now);
+ getrusage(RUSAGE_SELF, &me);
+
+ usec = dt_usec(&now, &last);
+ cpuuser = me.ru_utime.tv_sec * USEC_PER_SEC + me.ru_utime.tv_usec;
+ cpusyst = me.ru_stime.tv_sec * USEC_PER_SEC + me.ru_stime.tv_usec;
+
+ memmove(&last, &now, sizeof(struct timeval));
+ memmove(&me_last, &me, sizeof(struct rusage));
+ }
+
+ static char created_charts = 0;
+ if(unlikely(!created_charts)) {
+ created_charts = 1;
+
+ fprintf(stdout
+ , "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %1$d\n"
+ "DIMENSION user '' incremental 1 1000\n"
+ "DIMENSION system '' incremental 1 1000\n"
+ "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %1$d\n"
+ "DIMENSION files '' incremental 1 1\n"
+ "DIMENSION pids '' absolute 1 1\n"
+ "DIMENSION fds '' absolute 1 1\n"
+ "DIMENSION targets '' absolute 1 1\n"
+ "CHART netdata.apps_fix '' 'Apps Plugin Normalization Ratios' 'percentage' apps.plugin netdata.apps_fix line 140002 %1$d\n"
+ "DIMENSION utime '' absolute 1 %2$llu\n"
+ "DIMENSION stime '' absolute 1 %2$llu\n"
+ "DIMENSION gtime '' absolute 1 %2$llu\n"
+ "DIMENSION minflt '' absolute 1 %2$llu\n"
+ "DIMENSION majflt '' absolute 1 %2$llu\n"
+ , update_every
+ , RATES_DETAIL
+ );
+
+ if(include_exited_childs)
+ fprintf(stdout
+ , "CHART netdata.apps_children_fix '' 'Apps Plugin Exited Children Normalization Ratios' 'percentage' apps.plugin netdata.apps_children_fix line 140003 %1$d\n"
+ "DIMENSION cutime '' absolute 1 %2$llu\n"
+ "DIMENSION cstime '' absolute 1 %2$llu\n"
+ "DIMENSION cgtime '' absolute 1 %2$llu\n"
+ "DIMENSION cminflt '' absolute 1 %2$llu\n"
+ "DIMENSION cmajflt '' absolute 1 %2$llu\n"
+ , update_every
+ , RATES_DETAIL
+ );
+ }
+
+ fprintf(stdout,
+ "BEGIN netdata.apps_cpu %llu\n"
+ "SET user = %llu\n"
+ "SET system = %llu\n"
+ "END\n"
+ "BEGIN netdata.apps_files %llu\n"
+ "SET files = %zu\n"
+ "SET pids = %zu\n"
+ "SET fds = %d\n"
+ "SET targets = %zu\n"
+ "END\n"
+ "BEGIN netdata.apps_fix %llu\n"
+ "SET utime = %u\n"
+ "SET stime = %u\n"
+ "SET gtime = %u\n"
+ "SET minflt = %u\n"
+ "SET majflt = %u\n"
+ "END\n"
+ , usec
+ , cpuuser
+ , cpusyst
+ , usec
+ , file_counter
+ , all_pids_count
+ , all_files_len
+ , apps_groups_targets_count
+ , usec
+ , (unsigned int)(utime_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(stime_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(gtime_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(minflt_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(majflt_fix_ratio * 100 * RATES_DETAIL)
+ );
+
+ if(include_exited_childs)
+ fprintf(stdout,
+ "BEGIN netdata.apps_children_fix %llu\n"
+ "SET cutime = %u\n"
+ "SET cstime = %u\n"
+ "SET cgtime = %u\n"
+ "SET cminflt = %u\n"
+ "SET cmajflt = %u\n"
+ "END\n"
+ , usec
+ , (unsigned int)(cutime_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(cstime_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(cgtime_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(cminflt_fix_ratio * 100 * RATES_DETAIL)
+ , (unsigned int)(cmajflt_fix_ratio * 100 * RATES_DETAIL)
+ );
+
+ return usec;
+}
+
+static void normalize_utilization(struct target *root) {
+ struct target *w;
+
+ // childs processing introduces spikes
+ // here we try to eliminate them by disabling childs processing either for specific dimensions
+ // or entirely. Of course, either way, we disable it just a single iteration.
+
+ kernel_uint_t max_time = processors * hz * RATES_DETAIL;
+ kernel_uint_t utime = 0, cutime = 0, stime = 0, cstime = 0, gtime = 0, cgtime = 0, minflt = 0, cminflt = 0, majflt = 0, cmajflt = 0;
+
+ if(global_utime > max_time) global_utime = max_time;
+ if(global_stime > max_time) global_stime = max_time;
+ if(global_gtime > max_time) global_gtime = max_time;
+
+ for(w = root; w ; w = w->next) {
+ if(w->target || (!w->processes && !w->exposed)) continue;
+
+ utime += w->utime;
+ stime += w->stime;
+ gtime += w->gtime;
+ cutime += w->cutime;
+ cstime += w->cstime;
+ cgtime += w->cgtime;
+
+ minflt += w->minflt;
+ majflt += w->majflt;
+ cminflt += w->cminflt;
+ cmajflt += w->cmajflt;
+ }
+
+ if((global_utime || global_stime || global_gtime) && (utime || stime || gtime)) {
+ if(global_utime + global_stime + global_gtime > utime + cutime + stime + cstime + gtime + cgtime) {
+ // everything we collected fits
+ utime_fix_ratio =
+ stime_fix_ratio =
+ gtime_fix_ratio =
+ cutime_fix_ratio =
+ cstime_fix_ratio =
+ cgtime_fix_ratio = 1.0; //(double)(global_utime + global_stime) / (double)(utime + cutime + stime + cstime);
+ }
+ else if(global_utime + global_stime > utime + stime) {
+ // childrens resources are too high
+ // lower only the children resources
+ utime_fix_ratio =
+ stime_fix_ratio =
+ gtime_fix_ratio = 1.0;
+ cutime_fix_ratio =
+ cstime_fix_ratio =
+ cgtime_fix_ratio = (double)((global_utime + global_stime) - (utime + stime)) / (double)(cutime + cstime);
+ }
+ else {
+ // even running processes are unrealistic
+ // zero the children resources
+ // lower the running processes resources
+ utime_fix_ratio =
+ stime_fix_ratio =
+ gtime_fix_ratio = (double)(global_utime + global_stime) / (double)(utime + stime);
+ cutime_fix_ratio =
+ cstime_fix_ratio =
+ cgtime_fix_ratio = 0.0;
+ }
+ }
+ else {
+ utime_fix_ratio =
+ stime_fix_ratio =
+ gtime_fix_ratio =
+ cutime_fix_ratio =
+ cstime_fix_ratio =
+ cgtime_fix_ratio = 0.0;
+ }
+
+ if(utime_fix_ratio > 1.0) utime_fix_ratio = 1.0;
+ if(cutime_fix_ratio > 1.0) cutime_fix_ratio = 1.0;
+ if(stime_fix_ratio > 1.0) stime_fix_ratio = 1.0;
+ if(cstime_fix_ratio > 1.0) cstime_fix_ratio = 1.0;
+ if(gtime_fix_ratio > 1.0) gtime_fix_ratio = 1.0;
+ if(cgtime_fix_ratio > 1.0) cgtime_fix_ratio = 1.0;
+
+ // if(utime_fix_ratio < 0.0) utime_fix_ratio = 0.0;
+ // if(cutime_fix_ratio < 0.0) cutime_fix_ratio = 0.0;
+ // if(stime_fix_ratio < 0.0) stime_fix_ratio = 0.0;
+ // if(cstime_fix_ratio < 0.0) cstime_fix_ratio = 0.0;
+ // if(gtime_fix_ratio < 0.0) gtime_fix_ratio = 0.0;
+ // if(cgtime_fix_ratio < 0.0) cgtime_fix_ratio = 0.0;
+
+ // FIXME
+ // we use cpu time to normalize page faults
+ // the problem is that to find the proper max values
+ // for page faults we have to parse /proc/vmstat
+ // which is quite big to do it again (netdata does it already)
+ //
+ // a better solution could be to somehow have netdata
+ // do this normalization for us
+
+ if(utime || stime || gtime)
+ majflt_fix_ratio =
+ minflt_fix_ratio = (double)(utime * utime_fix_ratio + stime * stime_fix_ratio + gtime * gtime_fix_ratio) / (double)(utime + stime + gtime);
+ else
+ minflt_fix_ratio =
+ majflt_fix_ratio = 1.0;
+
+ if(cutime || cstime || cgtime)
+ cmajflt_fix_ratio =
+ cminflt_fix_ratio = (double)(cutime * cutime_fix_ratio + cstime * cstime_fix_ratio + cgtime * cgtime_fix_ratio) / (double)(cutime + cstime + cgtime);
+ else
+ cminflt_fix_ratio =
+ cmajflt_fix_ratio = 1.0;
+
+ // the report
+
+ if(unlikely(debug)) {
+ fprintf(stderr,
+ "SYSTEM: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " "
+ "COLLECTED: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " cu=" KERNEL_UINT_FORMAT " cs=" KERNEL_UINT_FORMAT " cg=" KERNEL_UINT_FORMAT " "
+ "DELTA: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " "
+ "FIX: u=%0.2f s=%0.2f g=%0.2f cu=%0.2f cs=%0.2f cg=%0.2f "
+ "FINALLY: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " cu=" KERNEL_UINT_FORMAT " cs=" KERNEL_UINT_FORMAT " cg=" KERNEL_UINT_FORMAT " "
+ "\n"
+ , global_utime
+ , global_stime
+ , global_gtime
+ , utime
+ , stime
+ , gtime
+ , cutime
+ , cstime
+ , cgtime
+ , utime + cutime - global_utime
+ , stime + cstime - global_stime
+ , gtime + cgtime - global_gtime
+ , utime_fix_ratio
+ , stime_fix_ratio
+ , gtime_fix_ratio
+ , cutime_fix_ratio
+ , cstime_fix_ratio
+ , cgtime_fix_ratio
+ , (kernel_uint_t)(utime * utime_fix_ratio)
+ , (kernel_uint_t)(stime * stime_fix_ratio)
+ , (kernel_uint_t)(gtime * gtime_fix_ratio)
+ , (kernel_uint_t)(cutime * cutime_fix_ratio)
+ , (kernel_uint_t)(cstime * cstime_fix_ratio)
+ , (kernel_uint_t)(cgtime * cgtime_fix_ratio)
+ );
+ }
+}
+
+static void send_collected_data_to_netdata(struct target *root, const char *type, usec_t usec) {
+ struct target *w;
+
+ send_BEGIN(type, "cpu", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, (kernel_uint_t)(w->utime * utime_fix_ratio) + (kernel_uint_t)(w->stime * stime_fix_ratio) + (kernel_uint_t)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cutime * cutime_fix_ratio) + (kernel_uint_t)(w->cstime * cstime_fix_ratio) + (kernel_uint_t)(w->cgtime * cgtime_fix_ratio)):0ULL));
+ }
+ send_END();
+
+ send_BEGIN(type, "cpu_user", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, (kernel_uint_t)(w->utime * utime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cutime * cutime_fix_ratio)):0ULL));
+ }
+ send_END();
+
+ send_BEGIN(type, "cpu_system", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, (kernel_uint_t)(w->stime * stime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cstime * cstime_fix_ratio)):0ULL));
+ }
+ send_END();
+
+ if(show_guest_time) {
+ send_BEGIN(type, "cpu_guest", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, (kernel_uint_t)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cgtime * cgtime_fix_ratio)):0ULL));
+ }
+ send_END();
+ }
+
+ send_BEGIN(type, "threads", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, w->num_threads);
+ }
+ send_END();
+
+ send_BEGIN(type, "processes", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, w->processes);
+ }
+ send_END();
+
+ send_BEGIN(type, "mem", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, (w->statm_resident > w->statm_share)?(w->statm_resident - w->statm_share):0ULL);
+ }
+ send_END();
+
+ send_BEGIN(type, "vmem", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, w->statm_size);
+ }
+ send_END();
+
+ send_BEGIN(type, "minor_faults", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, (kernel_uint_t)(w->minflt * minflt_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cminflt * cminflt_fix_ratio)):0ULL));
+ }
+ send_END();
+
+ send_BEGIN(type, "major_faults", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, (kernel_uint_t)(w->majflt * majflt_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cmajflt * cmajflt_fix_ratio)):0ULL));
+ }
+ send_END();
+
+ send_BEGIN(type, "lreads", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, w->io_logical_bytes_read);
+ }
+ send_END();
+
+ send_BEGIN(type, "lwrites", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, w->io_logical_bytes_written);
+ }
+ send_END();
+
+ send_BEGIN(type, "preads", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, w->io_storage_bytes_read);
+ }
+ send_END();
+
+ send_BEGIN(type, "pwrites", usec);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ send_SET(w->name, w->io_storage_bytes_written);
+ }
+ send_END();
+
+ if(enable_file_charts) {
+ send_BEGIN(type, "files", usec);
+ for (w = root; w; w = w->next) {
+ if (unlikely(w->exposed))
+ send_SET(w->name, w->openfiles);
+ }
+ send_END();
+
+ send_BEGIN(type, "sockets", usec);
+ for (w = root; w; w = w->next) {
+ if (unlikely(w->exposed))
+ send_SET(w->name, w->opensockets);
+ }
+ send_END();
+
+ send_BEGIN(type, "pipes", usec);
+ for (w = root; w; w = w->next) {
+ if (unlikely(w->exposed))
+ send_SET(w->name, w->openpipes);
+ }
+ send_END();
+ }
+}
+
+
+// ----------------------------------------------------------------------------
+// generate the charts
+
+static void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
+{
+ struct target *w;
+ int newly_added = 0;
+
+ for(w = root ; w ; w = w->next) {
+ if (w->target) continue;
+
+ if (!w->exposed && w->processes) {
+ newly_added++;
+ w->exposed = 1;
+ if (debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
+ }
+ }
+
+ // nothing more to show
+ if(!newly_added && show_guest_time == show_guest_time_old) return;
+
+ // we have something new to show
+ // update the charts
+ fprintf(stdout, "CHART %s.cpu '' '%s CPU Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu %s\n", w->name, hz * RATES_DETAIL / 100, w->hidden ? "hidden" : "");
+ }
+
+ fprintf(stdout, "CHART %s.mem '' '%s Real Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
+ }
+
+ fprintf(stdout, "CHART %s.vmem '' '%s Virtual Memory Size' 'MB' mem %s.vmem stacked 20004 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
+ }
+
+ fprintf(stdout, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20005 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
+ }
+
+ fprintf(stdout, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20004 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
+ }
+
+ fprintf(stdout, "CHART %s.cpu_user '' '%s CPU User Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
+ }
+
+ fprintf(stdout, "CHART %s.cpu_system '' '%s CPU System Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
+ }
+
+ if(show_guest_time) {
+ fprintf(stdout, "CHART %s.cpu_guest '' '%s CPU Guest Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20022 %d\n", type, title, (processors * 100), processors, (processors > 1) ? "s" : "", type, update_every);
+ for (w = root; w; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
+ }
+ }
+
+ fprintf(stdout, "CHART %s.major_faults '' '%s Major Page Faults (swap read)' 'page faults/s' swap %s.major_faults stacked 20010 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
+ }
+
+ fprintf(stdout, "CHART %s.minor_faults '' '%s Minor Page Faults' 'page faults/s' mem %s.minor_faults stacked 20011 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
+ }
+
+ fprintf(stdout, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
+ }
+
+ fprintf(stdout, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
+ }
+
+ fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
+ }
+
+ fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
+ if(unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
+ }
+
+ if(enable_file_charts) {
+ fprintf(stdout, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type,
+ title, type, update_every);
+ for (w = root; w; w = w->next) {
+ if (unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
+ }
+
+ fprintf(stdout, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n",
+ type, title, type, update_every);
+ for (w = root; w; w = w->next) {
+ if (unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
+ }
+
+ fprintf(stdout, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type,
+ title, type, update_every);
+ for (w = root; w; w = w->next) {
+ if (unlikely(w->exposed))
+ fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
+ }
+ }
+}
+
+
+// ----------------------------------------------------------------------------
+// parse command line arguments
+
+static void parse_args(int argc, char **argv)
+{
+ int i, freq = 0;
+ char *name = NULL;
+
+ for(i = 1; i < argc; i++) {
+ if(!freq) {
+ int n = (int)str2l(argv[i]);
+ if(n > 0) {
+ freq = n;
+ continue;
+ }
+ }
+
+ if(strcmp("version", argv[i]) == 0 || strcmp("-v", argv[i]) == 0) {
+ printf("apps.plugin %s\n", VERSION);
+ exit(0);
+ }
+
+ if(strcmp("debug", argv[i]) == 0) {
+ debug = 1;
+ // debug_flags = 0xffffffff;
+ continue;
+ }
+
+ if(strcmp("no-childs", argv[i]) == 0 || strcmp("without-childs", argv[i]) == 0) {
+ include_exited_childs = 0;
+ continue;
+ }
+
+ if(strcmp("with-childs", argv[i]) == 0) {
+ include_exited_childs = 1;
+ continue;
+ }
+
+ if(strcmp("with-guest", argv[i]) == 0) {
+ enable_guest_charts = 1;
+ continue;
+ }
+
+ if(strcmp("no-guest", argv[i]) == 0 || strcmp("without-guest", argv[i]) == 0) {
+ enable_guest_charts = 0;
+ continue;
+ }
+
+ if(strcmp("with-files", argv[i]) == 0) {
+ enable_file_charts = 1;
+ continue;
+ }
+
+ if(strcmp("no-files", argv[i]) == 0 || strcmp("without-files", argv[i]) == 0) {
+ enable_file_charts = 0;
+ continue;
+ }
+
+ if(strcmp("no-users", argv[i]) == 0 || strcmp("without-users", argv[i]) == 0) {
+ enable_users_charts = 0;
+ continue;
+ }
+
+ if(strcmp("no-groups", argv[i]) == 0 || strcmp("without-groups", argv[i]) == 0) {
+ enable_groups_charts = 0;
+ continue;
+ }
+
+ if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
+ fprintf(stderr,
+ "\n"
+ " netdata apps.plugin %s\n"
+ " Copyright (C) 2016-2017 Costa Tsaousis <costa@tsaousis.gr>\n"
+ " Released under GNU Public License v3 or later.\n"
+ " All rights reserved.\n"
+ "\n"
+ " This program is a data collector plugin for netdata.\n"
+ "\n"
+ " Valid command line options:\n"
+ "\n"
+ " SECONDS set the data collection frequency\n"
+ "\n"
+ " debug enable debugging (lot of output)\n"
+ "\n"
+ " with-childs\n"
+ " without-childs enable / disable aggregating exited\n"
+ " children resources into parents\n"
+ " (default is enabled)\n"
+ "\n"
+ " with-guest\n"
+ " without-guest enable / disable reporting guest charts\n"
+ " (default is disabled)\n"
+ "\n"
+ " with-files\n"
+ " without-files enable / disable reporting files, sockets, pipes\n"
+ " (default is enabled)\n"
+ "\n"
+ " NAME read apps_NAME.conf instead of\n"
+ " apps_groups.conf\n"
+ " (default NAME=groups)\n"
+ "\n"
+ " version print program version and exit\n"
+ "\n"
+ , VERSION
+ );
+ exit(1);
+ }
+
+ if(!name) {
+ name = argv[i];
+ continue;
+ }
+
+ error("Cannot understand option %s", argv[i]);
+ exit(1);
+ }
+
+ if(freq > 0) update_every = freq;
+ if(!name) name = "groups";
+
+ if(read_apps_groups_conf(name)) {
+ error("Cannot read process groups '%s/apps_%s.conf'. There are no internal defaults. Failing.", config_dir, name);
+ exit(1);
+ }
+}
+
+static int am_i_running_as_root() {
+ uid_t uid = getuid(), euid = geteuid();
+
+ if(uid == 0 || euid == 0) {
+ if(debug) info("I am running with escalated privileges, uid = %u, euid = %u.", uid, euid);
+ return 1;
+ }
+
+ if(debug) info("I am not running with escalated privileges, uid = %u, euid = %u.", uid, euid);
+ return 0;
+}
+
+#ifdef HAVE_CAPABILITY
+static int check_capabilities() {
+ if(!CAP_IS_SUPPORTED(CAP_DAC_READ_SEARCH)) {
+ error("This system does not support CAP_DAC_READ_SEARCH capability. Please setuid to root apps.plugin.");
+ return 0;
+ }
+ else if(debug)
+ info("System has CAP_DAC_READ_SEARCH capability.");
+
+ if(!CAP_IS_SUPPORTED(CAP_SYS_PTRACE)) {
+ error("This system does not support CAP_SYS_PTRACE capability. Please setuid to root apps.plugin.");
+ return 0;
+ }
+ else if(debug)
+ info("System has CAP_SYS_PTRACE capability.");
+
+ cap_t caps = cap_get_proc();
+ if(!caps) {
+ error("Cannot get current capabilities.");
+ return 0;
+ }
+ else if(debug)
+ info("Received my capabilities from the system.");
+
+ int ret = 1;
+
+ cap_flag_value_t cfv = CAP_CLEAR;
+ if(cap_get_flag(caps, CAP_DAC_READ_SEARCH, CAP_EFFECTIVE, &cfv) == -1) {
+ error("Cannot find if CAP_DAC_READ_SEARCH is effective.");
+ ret = 0;
+ }
+ else {
+ if(cfv != CAP_SET) {
+ error("apps.plugin should run with CAP_DAC_READ_SEARCH.");
+ ret = 0;
+ }
+ else if(debug)
+ info("apps.plugin runs with CAP_DAC_READ_SEARCH.");
+ }
+
+ cfv = CAP_CLEAR;
+ if(cap_get_flag(caps, CAP_SYS_PTRACE, CAP_EFFECTIVE, &cfv) == -1) {
+ error("Cannot find if CAP_SYS_PTRACE is effective.");
+ ret = 0;
+ }
+ else {
+ if(cfv != CAP_SET) {
+ error("apps.plugin should run with CAP_SYS_PTRACE.");
+ ret = 0;
+ }
+ else if(debug)
+ info("apps.plugin runs with CAP_SYS_PTRACE.");
+ }
+
+ cap_free(caps);
+
+ return ret;
+}
+#else
+static int check_capabilities() {
+ return 0;
+}
+#endif
+
+int main(int argc, char **argv) {
+ // debug_flags = D_PROCFILE;
+
+ // set the name for logging
+ program_name = "apps.plugin";
+
+ info("started on pid %d", getpid());
+
+ // disable syslog for apps.plugin
+ error_log_syslog = 0;
+
+ // set errors flood protection to 100 logs per hour
+ error_log_errors_per_period = 100;
+ error_log_throttle_period = 3600;
+
+ global_host_prefix = getenv("NETDATA_HOST_PREFIX");
+ if(global_host_prefix == NULL) {
+ // info("NETDATA_HOST_PREFIX is not passed from netdata");
+ global_host_prefix = "";
+ }
+ // else info("Found NETDATA_HOST_PREFIX='%s'", global_host_prefix);
+
+ config_dir = getenv("NETDATA_CONFIG_DIR");
+ if(config_dir == NULL) {
+ // info("NETDATA_CONFIG_DIR is not passed from netdata");
+ config_dir = CONFIG_DIR;
+ }
+ // else info("Found NETDATA_CONFIG_DIR='%s'", config_dir);
+
+#ifdef NETDATA_INTERNAL_CHECKS
+ if(debug_flags != 0) {
+ struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
+ if(setrlimit(RLIMIT_CORE, &rl) != 0)
+ info("Cannot request unlimited core dumps for debugging... Proceeding anyway...");
+ prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
+ }
+#endif /* NETDATA_INTERNAL_CHECKS */
+
+ procfile_adaptive_initial_allocation = 1;
+
+ time_t started_t = now_monotonic_sec();
+ get_system_HZ();
+ get_system_pid_max();
+ get_system_cpus();
+
+ parse_args(argc, argv);
+
+ if(!am_i_running_as_root()) {
+ if(!check_capabilities()) {
+ uid_t uid = getuid(), euid = geteuid();
+#ifdef HAVE_CAPABILITY
+ error("apps.plugin should either run as root (now running with uid %u, euid %u) or have special capabilities. "
+ "Without these, apps.plugin cannot report disk I/O utilization of other processes. "
+ "To enable capabilities run: sudo setcap cap_dac_read_search,cap_sys_ptrace+ep %s; "
+ "To enable setuid to root run: sudo chown root %s; sudo chmod 4755 %s; "
+ , uid, euid, argv[0], argv[0], argv[0]
+ );
+#else
+ error("apps.plugin should either run as root (now running with uid %u, euid %u) or have special capabilities. "
+ "Without these, apps.plugin cannot report disk I/O utilization of other processes. "
+ "Your system does not support capabilities. "
+ "To enable setuid to root run: sudo chown root %s; sudo chmod 4755 %s; "
+ , uid, euid, argv[0], argv[0]
+ );
+#endif
+ }
+ }
+
+ all_pids_sortlist = callocz(sizeof(pid_t), (size_t)pid_max);
+ all_pids = callocz(sizeof(struct pid_stat *), (size_t) pid_max);
+
+ usec_t step = update_every * USEC_PER_SEC;
+ global_iterations_counter = 1;
+ heartbeat_t hb;
+ heartbeat_init(&hb);
+ for(;1; global_iterations_counter++) {
+
+#ifdef NETDATA_PROFILING
+#warning "compiling for profiling"
+ static int profiling_count=0;
+ profiling_count++;
+ if(unlikely(profiling_count > 1000)) exit(0);
+#else
+ heartbeat_next(&hb, step);
+#endif
+
+ if(!collect_data_for_all_processes()) {
+ error("Cannot collect /proc data for running processes. Disabling apps.plugin...");
+ printf("DISABLE\n");
+ exit(1);
+ }
+
+ calculate_netdata_statistics();
+ normalize_utilization(apps_groups_root_target);
+
+ usec_t dt = send_resource_usage_to_netdata();
+
+ // this is smart enough to show only newly added apps, when needed
+ send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps");
+
+ if(likely(enable_users_charts))
+ send_charts_updates_to_netdata(users_root_target, "users", "Users");
+
+ if(likely(enable_groups_charts))
+ send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups");
+
+ send_collected_data_to_netdata(apps_groups_root_target, "apps", dt);
+
+ if(likely(enable_users_charts))
+ send_collected_data_to_netdata(users_root_target, "users", dt);
+
+ if(likely(enable_groups_charts))
+ send_collected_data_to_netdata(groups_root_target, "groups", dt);
+
+ fflush(stdout);
+
+ show_guest_time_old = show_guest_time;
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: done Loop No %zu\n", global_iterations_counter);
+
+ // restart check (14400 seconds)
+ if(now_monotonic_sec() - started_t > 14400) exit(0);
+ }
}
projects / netdata.git / blobdiff