+
+/*
+ * netdata apps.plugin
+ * (C) Copyright 2016-2017 Costa Tsaousis <costa@tsaousis.gr>
+ * Released under GPL v3+
+ */
+
#include "common.h"
+#ifdef __FreeBSD__
+#include <sys/user.h>
+#endif
+
+// ----------------------------------------------------------------------------
+// per O/S configuration
+
+// the minimum PID of the system
+// this is also the pid of the init process
+#define INIT_PID 1
+
+// if the way apps.plugin will work, will read the entire process list,
+// including the resource utilization of each process, instantly
+// set this to 1
+// when set to 0, apps.plugin builds a sort list of processes, in order
+// to process children processes, before parent processes
+#ifdef __FreeBSD__
+#define ALL_PIDS_ARE_READ_INSTANTLY 1
+#else
+#define ALL_PIDS_ARE_READ_INSTANTLY 0
+#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 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 *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
+
-pid_t *all_pids_sortlist = NULL;
+// ----------------------------------------------------------------------------
+// command line options
-// will be automatically set to 1, if guest values are collected
-int show_guest_time = 0;
-int show_guest_time_old = 0;
+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;
-int enable_guest_charts = 0;
-int enable_file_charts = 1;
-int enable_users_charts = 1;
-int enable_groups_charts = 1;
+
+// 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
+
+
+// ----------------------------------------------------------------------------
+// internal counters
+
+static size_t
+ global_iterations_counter = 1,
+ calls_counter = 0,
+ file_counter = 0;
+
+
+// ----------------------------------------------------------------------------
+// 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;
// ----------------------------------------------------------------------------
// target
-// target is the structure that process data are aggregated
+//
+// 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.
struct target {
char compare[MAX_COMPARE_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
+ 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
+ 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 *target; // the one that will be reported to netdata
struct target *next;
};
+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
+
+size_t
+ apps_groups_targets_count = 0; // # of apps_groups.conf targets
+
// ----------------------------------------------------------------------------
-// apps_groups.conf
-// aggregate all processes in groups, to have a limited number of dimensions
+// pid_stat
+//
+// structure to store data for each process running
+// see: man proc for the description of the fields
-struct target *apps_groups_root_target = NULL;
-struct target *apps_groups_default_target = NULL;
-long apps_groups_targets = 0;
+struct pid_stat {
+ int32_t pid;
+ char comm[MAX_COMPARE_NAME + 1];
+ char cmdline[MAX_CMDLINE + 1];
-struct target *users_root_target = NULL;
-struct target *groups_root_target = NULL;
+ uint32_t log_thrown;
-struct target *get_users_target(uid_t uid)
-{
+ // 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 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;
+};
+
+// 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
+
+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.
+
+static size_t
+ all_pids_count = 0; // the number of processes running
+
+#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
+// 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;
+#endif
+
+// ----------------------------------------------------------------------------
+// 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
+
+// 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 file_descriptor {
+ avl avl;
+
+#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
+
+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;
// 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;
+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;
}
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)
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);
- strncpyz(w->name, nid, MAX_NAME);
+ 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);
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->target?w->target->name:w->name
, (w->hidden)?"hidden":"-"
, (w->debug)?"debug":"-"
);
}
// 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);
+ snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, file);
if(unlikely(debug))
fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
if(!ff)
return 1;
- unsigned long line, lines = procfile_lines(ff);
+ size_t line, lines = procfile_lines(ff);
for(line = 0; line < lines ;line++) {
- unsigned long word, words = procfile_linewords(ff, line);
- struct target *w = NULL;
+ size_t word, words = procfile_linewords(ff, line);
+ if(!words) continue;
- char *t = procfile_lineword(ff, line, 0);
- if(!t || !*t) continue;
+ char *name = procfile_lineword(ff, line, 0);
+ if(!name || !*name) continue;
+
+ // find a possibly existing target
+ struct target *w = NULL;
+ // 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(t == s) continue;
+ // is this the first word? skip it
+ if(s == name) continue;
- struct target *n = get_apps_groups_target(s, w);
+ // add this target
+ struct target *n = get_apps_groups_target(s, w, name);
if(!n) {
- error("Cannot create target '%s' (line %lu, word %lu)", s, line, word);
+ error("Cannot create target '%s' (line %zu, word %zu)", s, line, word);
continue;
}
- if(!w) w = n;
- }
-
- if(w) {
- int tdebug = 0, thidden = 0;
-
- 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;
-
- 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":"-"
- );
+ // just some optimization
+ // to avoid searching for a target for each process
+ if(!w) w = n->target?n->target:n;
}
}
procfile_close(ff);
- apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
+ apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL, "other"); // match nothing
if(!apps_groups_default_target)
- error("Cannot create default target");
- else
- strncpyz(apps_groups_default_target->name, "other", MAX_NAME);
+ fatal("Cannot create default target");
+
+ // allow the user to override group 'other'
+ if(apps_groups_default_target->target)
+ apps_groups_default_target = apps_groups_default_target->target;
return 0;
}
// ----------------------------------------------------------------------------
-// data to store for each pid
-// see: man proc
+// struct pid_stat management
-#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
+static inline struct pid_stat *get_pid_entry(pid_t pid) {
+ if(unlikely(all_pids[pid]))
+ return all_pids[pid];
-struct pid_stat {
- int32_t pid;
- char comm[MAX_COMPARE_NAME + 1];
- char cmdline[MAX_CMDLINE + 1];
+ struct pid_stat *p = callocz(sizeof(struct pid_stat), 1);
+ p->fds = callocz(sizeof(int), MAX_SPARE_FDS);
+ p->fds_size = MAX_SPARE_FDS;
- uint32_t log_thrown;
+ if(likely(root_of_pids))
+ root_of_pids->prev = p;
- // char state;
- int32_t ppid;
- // int32_t pgrp;
- // int32_t session;
- // int32_t tty_nr;
- // int32_t tpgid;
- // uint64_t flags;
+ p->next = root_of_pids;
+ root_of_pids = p;
- // 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
+ p->pid = pid;
- // 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;
+ all_pids[pid] = p;
+ all_pids_count++;
- // 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;
+ return p;
+}
- uid_t uid;
- gid_t gid;
+static inline void del_pid_entry(pid_t pid) {
+ struct pid_stat *p = all_pids[pid];
- 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;
+ if(unlikely(!p)) {
+ error("attempted to free pid %d that is not allocated.", pid);
+ return;
+ }
- int *fds; // array of fds it uses
- int fds_size; // the size of the fds array
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, p->comm);
- 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
+ if(root_of_pids == p)
+ root_of_pids = p->next;
- struct target *target; // app_groups.conf targets
- struct target *user_target; // uid based targets
- struct target *group_target; // gid based targets
+ if(p->next) p->next->prev = p->prev;
+ if(p->prev) p->prev->next = p->next;
- unsigned long long stat_collected_usec;
- unsigned long long last_stat_collected_usec;
+ freez(p->fds);
+ freez(p->fds_dirname);
+ freez(p->stat_filename);
+ freez(p->statm_filename);
+ freez(p->io_filename);
+ freez(p->cmdline_filename);
+ freez(p);
- unsigned long long io_collected_usec;
- unsigned long long last_io_collected_usec;
+ all_pids[pid] = NULL;
+ all_pids_count--;
+}
- 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;
+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);
-long all_pids_count = 0;
+ 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')", netdata_configured_host_prefix, p->pid, p->comm);
+ break;
-struct pid_stat *get_pid_entry(pid_t pid) {
- if(all_pids[pid]) {
- all_pids[pid]->new_entry = 0;
- return all_pids[pid];
- }
+ case PID_LOG_STATM:
+ error("Cannot process %s/proc/%d/statm (command '%s')", netdata_configured_host_prefix, p->pid, p->comm);
+ break;
- all_pids[pid] = callocz(sizeof(struct pid_stat), 1);
- all_pids[pid]->fds = callocz(sizeof(int), 100);
- all_pids[pid]->fds_size = 100;
+ case PID_LOG_CMDLINE:
+ error("Cannot process %s/proc/%d/cmdline (command '%s')", netdata_configured_host_prefix, p->pid, p->comm);
+ break;
- if(root_of_pids) root_of_pids->prev = all_pids[pid];
- all_pids[pid]->next = root_of_pids;
- root_of_pids = all_pids[pid];
+ case PID_LOG_FDS:
+ error("Cannot process entries in %s/proc/%d/fd (command '%s')", netdata_configured_host_prefix, p->pid, p->comm);
+ break;
- all_pids[pid]->pid = pid;
- all_pids[pid]->new_entry = 1;
+ case PID_LOG_STAT:
+ break;
- all_pids_count++;
+ 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 all_pids[pid];
+ return status;
}
-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 assign_target_to_pid(struct pid_stat *p) {
+ uint32_t hash = simple_hash(p->comm);
+ size_t pclen = strlen(p->comm);
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->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);
- 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;
+ // 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(all_pids[pid]->fds) freez(all_pids[pid]->fds);
- if(all_pids[pid]->stat_filename) freez(all_pids[pid]->stat_filename);
- if(all_pids[pid]->statm_filename) freez(all_pids[pid]->statm_filename);
- if(all_pids[pid]->io_filename) freez(all_pids[pid]->io_filename);
- if(all_pids[pid]->cmdline_filename) freez(all_pids[pid]->cmdline_filename);
- freez(all_pids[pid]);
+ 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))
+ ))) {
- all_pids[pid] = NULL;
- all_pids_count--;
+ 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;
+ }
+ }
}
// ----------------------------------------------------------------------------
// update pids from proc
-int read_proc_pid_cmdline(struct pid_stat *p) {
+static inline int read_proc_pid_cmdline(struct pid_stat *p) {
+
+#ifdef __FreeBSD__
+ size_t i, bytes = MAX_CMDLINE;
+ int mib[4];
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_ARGS;
+ mib[3] = p->pid;
+ if (unlikely(sysctl(mib, 4, p->cmdline, &bytes, NULL, 0)))
+ goto cleanup;
+#else
if(unlikely(!p->cmdline_filename)) {
char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", global_host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", netdata_configured_host_prefix, p->pid);
p->cmdline_filename = strdupz(filename);
}
close(fd);
if(unlikely(bytes < 0)) goto cleanup;
+#endif
p->cmdline[bytes] = '\0';
for(i = 0; i < bytes ; i++)
return 0;
}
-int read_proc_pid_ownership(struct pid_stat *p) {
+static inline int read_proc_pid_ownership(struct pid_stat *p, void *ptr) {
+ (void)ptr;
+#ifdef __FreeBSD__
+ struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
+
+ p->uid = proc_info->ki_uid;
+ p->gid = proc_info->ki_groups[0];
+
+ return 1;
+#else
if(unlikely(!p->stat_filename)) {
error("pid %d does not have a stat_filename", p->pid);
return 0;
p->gid = st.st_gid;
return 1;
+#endif
}
-int read_proc_pid_stat(struct pid_stat *p) {
+// ----------------------------------------------------------------------------
+// macro to calculate the incremental rate of a value
+// each parameter is accessed only ONCE - so it is safe to pass function calls
+// or other macros as parameters
+
+#define incremental_rate(rate_variable, last_kernel_variable, new_kernel_value, collected_usec, last_collected_usec) { \
+ kernel_uint_t _new_tmp = new_kernel_value; \
+ rate_variable = (_new_tmp - last_kernel_variable) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec); \
+ last_kernel_variable = _new_tmp; \
+ }
+
+// the same macro for struct pid members
+#define pid_incremental_rate(type, var, value) \
+ incremental_rate(var, var##_raw, value, p->type##_collected_usec, p->last_##type##_collected_usec)
+
+
+// ----------------------------------------------------------------------------
+
+static inline int read_proc_pid_stat(struct pid_stat *p, void *ptr) {
+ (void)ptr;
+
+#ifdef __FreeBSD__
+ struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
+
+ if (unlikely(proc_info->ki_tdflags & TDF_IDLETD))
+ goto cleanup;
+#else
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);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", netdata_configured_host_prefix, p->pid);
p->stat_filename = strdupz(filename);
}
if(unlikely(!ff)) goto cleanup;
// if(set_quotes) procfile_set_quotes(ff, "()");
- if(set_quotes) procfile_set_open_close(ff, "(", ")");
+ if(unlikely(set_quotes))
+ procfile_set_open_close(ff, "(", ")");
ff = procfile_readall(ff);
if(unlikely(!ff)) goto cleanup;
+#endif
p->last_stat_collected_usec = p->stat_collected_usec;
- p->stat_collected_usec = now_realtime_usec();
- file_counter++;
+ p->stat_collected_usec = now_monotonic_usec();
+ calls_counter++;
+
+#ifdef __FreeBSD__
+ char *comm = proc_info->ki_comm;
+ p->ppid = proc_info->ki_ppid;
+#else
+ // p->pid = str2pid_t(procfile_lineword(ff, 0, 0));
+ char *comm = procfile_lineword(ff, 0, 1);
+ // 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));
+#endif
+
+ if(strcmp(p->comm, comm)) {
+ if(unlikely(debug)) {
+ if(p->comm[0])
+ fprintf(stderr, "apps.plugin: \tpid %d (%s) changed name to '%s'\n", p->pid, p->comm, comm);
+ else
+ fprintf(stderr, "apps.plugin: \tJust added %d (%s)\n", p->pid, comm);
+ }
- // p->pid = atol(procfile_lineword(ff, 0, 0+i));
+ strncpyz(p->comm, comm, MAX_COMPARE_NAME);
- strncpyz(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME);
+ // /proc/<pid>/cmdline
+ if(likely(proc_pid_cmdline_is_needed))
+ managed_log(p, PID_LOG_CMDLINE, read_proc_pid_cmdline(p));
- // 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) * (USEC_PER_SEC * 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) * (USEC_PER_SEC * 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) * (USEC_PER_SEC * 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) * (USEC_PER_SEC * 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) * (USEC_PER_SEC * 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) * (USEC_PER_SEC * 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) * (USEC_PER_SEC * 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) * (USEC_PER_SEC * 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);
+ assign_target_to_pid(p);
+ }
+
+#ifdef __FreeBSD__
+ pid_incremental_rate(stat, p->minflt, (kernel_uint_t)proc_info->ki_rusage.ru_minflt);
+ pid_incremental_rate(stat, p->cminflt, (kernel_uint_t)proc_info->ki_rusage_ch.ru_minflt);
+ pid_incremental_rate(stat, p->majflt, (kernel_uint_t)proc_info->ki_rusage.ru_majflt);
+ pid_incremental_rate(stat, p->cmajflt, (kernel_uint_t)proc_info->ki_rusage_ch.ru_majflt);
+ pid_incremental_rate(stat, p->utime, (kernel_uint_t)proc_info->ki_rusage.ru_utime.tv_sec * 100 + proc_info->ki_rusage.ru_utime.tv_usec / 10000);
+ pid_incremental_rate(stat, p->stime, (kernel_uint_t)proc_info->ki_rusage.ru_stime.tv_sec * 100 + proc_info->ki_rusage.ru_stime.tv_usec / 10000);
+ pid_incremental_rate(stat, p->cutime, (kernel_uint_t)proc_info->ki_rusage_ch.ru_utime.tv_sec * 100 + proc_info->ki_rusage_ch.ru_utime.tv_usec / 10000);
+ pid_incremental_rate(stat, p->cstime, (kernel_uint_t)proc_info->ki_rusage_ch.ru_stime.tv_sec * 100 + proc_info->ki_rusage_ch.ru_utime.tv_usec / 10000);
+
+ p->num_threads = proc_info->ki_numthreads;
+
+ if(enable_guest_charts) {
+ enable_guest_charts = 0;
+ info("Guest charts aren't supported by FreeBSD");
+ }
+#else
+ pid_incremental_rate(stat, p->minflt, str2kernel_uint_t(procfile_lineword(ff, 0, 9)));
+ pid_incremental_rate(stat, p->cminflt, str2kernel_uint_t(procfile_lineword(ff, 0, 10)));
+ pid_incremental_rate(stat, p->majflt, str2kernel_uint_t(procfile_lineword(ff, 0, 11)));
+ pid_incremental_rate(stat, p->cmajflt, str2kernel_uint_t(procfile_lineword(ff, 0, 12)));
+ pid_incremental_rate(stat, p->utime, str2kernel_uint_t(procfile_lineword(ff, 0, 13)));
+ pid_incremental_rate(stat, p->stime, str2kernel_uint_t(procfile_lineword(ff, 0, 14)));
+ pid_incremental_rate(stat, p->cutime, str2kernel_uint_t(procfile_lineword(ff, 0, 15)));
+ pid_incremental_rate(stat, p->cstime, str2kernel_uint_t(procfile_lineword(ff, 0, 16)));
+ // 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 = strtoull(procfile_lineword(ff, 0, 42), NULL, 10);
- 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 = strtoull(procfile_lineword(ff, 0, 43), NULL, 10);
- p->cgtime = (p->cgtime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ pid_incremental_rate(stat, p->gtime, str2kernel_uint_t(procfile_lineword(ff, 0, 42)));
+ pid_incremental_rate(stat, p->cgtime, str2kernel_uint_t(procfile_lineword(ff, 0, 43)));
if (show_guest_time || p->gtime || p->cgtime) {
p->utime -= (p->utime >= p->gtime) ? p->gtime : p->utime;
show_guest_time = 1;
}
}
+#endif
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", 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);
+ 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", netdata_configured_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;
return 0;
}
-int read_proc_pid_statm(struct pid_stat *p) {
+static inline int read_proc_pid_statm(struct pid_stat *p, void *ptr) {
+ (void)ptr;
+#ifdef __FreeBSD__
+ struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
+#else
static procfile *ff = NULL;
if(unlikely(!p->statm_filename)) {
char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", global_host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", netdata_configured_host_prefix, p->pid);
p->statm_filename = strdupz(filename);
}
ff = procfile_readall(ff);
if(unlikely(!ff)) goto cleanup;
-
- 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);
+#endif
+
+ calls_counter++;
+
+#ifdef __FreeBSD__
+ p->statm_size = proc_info->ki_size / sysconf(_SC_PAGESIZE);
+ p->statm_resident = proc_info->ki_rssize;
+ p->statm_share = 0; // do we have to use ru_ixrss here?
+#else
+ 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));
+#endif
return 1;
return 0;
}
-int read_proc_pid_io(struct pid_stat *p) {
+static inline int read_proc_pid_io(struct pid_stat *p, void *ptr) {
+ (void)ptr;
+#ifdef __FreeBSD__
+ struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
+#else
static procfile *ff = NULL;
if(unlikely(!p->io_filename)) {
char filename[FILENAME_MAX + 1];
- snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", global_host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", netdata_configured_host_prefix, p->pid);
p->io_filename = strdupz(filename);
}
ff = procfile_readall(ff);
if(unlikely(!ff)) goto cleanup;
+#endif
- file_counter++;
+ calls_counter++;
p->last_io_collected_usec = p->io_collected_usec;
- p->io_collected_usec = now_realtime_usec();
-
- unsigned long long 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) * (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) * (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) * (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) * (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) * (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) * (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) * (USEC_PER_SEC * RATES_DETAIL) / (p->io_collected_usec - p->last_io_collected_usec);
+ p->io_collected_usec = now_monotonic_usec();
+
+#ifdef __FreeBSD__
+ pid_incremental_rate(io, p->io_storage_bytes_read, proc_info->ki_rusage.ru_inblock);
+ pid_incremental_rate(io, p->io_storage_bytes_written, proc_info->ki_rusage.ru_oublock);
+#else
+ pid_incremental_rate(io, p->io_logical_bytes_read, str2kernel_uint_t(procfile_lineword(ff, 0, 1)));
+ pid_incremental_rate(io, p->io_logical_bytes_written, str2kernel_uint_t(procfile_lineword(ff, 1, 1)));
+ // pid_incremental_rate(io, p->io_read_calls, str2kernel_uint_t(procfile_lineword(ff, 2, 1)));
+ // pid_incremental_rate(io, p->io_write_calls, str2kernel_uint_t(procfile_lineword(ff, 3, 1)));
+ pid_incremental_rate(io, p->io_storage_bytes_read, str2kernel_uint_t(procfile_lineword(ff, 4, 1)));
+ pid_incremental_rate(io, p->io_storage_bytes_written, str2kernel_uint_t(procfile_lineword(ff, 5, 1)));
+ // pid_incremental_rate(io, p->io_cancelled_write_bytes, str2kernel_uint_t(procfile_lineword(ff, 6, 1)));
+#endif
if(unlikely(global_iterations_counter == 1)) {
p->io_logical_bytes_read = 0;
return 0;
}
-unsigned long long global_utime = 0;
-unsigned long long global_stime = 0;
-unsigned long long global_gtime = 0;
+static inline int read_proc_stat() {
+#ifdef __FreeBSD__
+ long cp_time[CPUSTATES];
+ int i;
-int read_proc_stat() {
+ if (unlikely(CPUSTATES != 5)) {
+ error("FREEBSD: There are %d CPU states (5 was expected)", CPUSTATES);
+ goto cleanup;
+ }
+ if (unlikely(GETSYSCTL("kern.cp_time", cp_time))) goto cleanup;
+#else
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;
+#endif
+ 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;
+#ifndef __FreeBSD__
if(unlikely(!ff)) {
- snprintfz(filename, FILENAME_MAX, "%s/proc/stat", global_host_prefix);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/stat", netdata_configured_host_prefix);
ff = procfile_open(filename, " \t:", PROCFILE_FLAG_DEFAULT);
if(unlikely(!ff)) goto cleanup;
}
ff = procfile_readall(ff);
if(unlikely(!ff)) goto cleanup;
+#endif
last_collected_usec = collected_usec;
- collected_usec = now_realtime_usec();
-
- file_counter++;
+ collected_usec = now_monotonic_usec();
- unsigned long long last;
+ calls_counter++;
- last = utime_raw;
- utime_raw = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
- global_utime = (utime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
+ // temporary - it is added global_ntime;
+ kernel_uint_t global_ntime = 0;
- // nice time, on user time
- last = ntime_raw;
- ntime_raw = strtoull(procfile_lineword(ff, 0, 2), NULL, 10);
- global_utime += (ntime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
+#ifdef __FreeBSD__
+ incremental_rate(global_utime, utime_raw, cp_time[0], collected_usec, last_collected_usec);
+ incremental_rate(global_ntime, ntime_raw, cp_time[1], collected_usec, last_collected_usec);
+ incremental_rate(global_stime, stime_raw, cp_time[2], collected_usec, last_collected_usec);
+#else
+ incremental_rate(global_utime, utime_raw, str2kernel_uint_t(procfile_lineword(ff, 0, 1)), collected_usec, last_collected_usec);
+ incremental_rate(global_ntime, ntime_raw, str2kernel_uint_t(procfile_lineword(ff, 0, 2)), collected_usec, last_collected_usec);
+ incremental_rate(global_stime, stime_raw, str2kernel_uint_t(procfile_lineword(ff, 0, 3)), collected_usec, last_collected_usec);
+ incremental_rate(global_gtime, gtime_raw, str2kernel_uint_t(procfile_lineword(ff, 0, 10)), collected_usec, last_collected_usec);
+#endif
- last = stime_raw;
- stime_raw = strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
- 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) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
+ global_utime += global_ntime;
+#ifdef __FreeBSD__
if(enable_guest_charts) {
+ enable_guest_charts = 0;
+ info("Guest charts aren't supported by FreeBSD");
+ }
+#else
+ if(enable_guest_charts) {
+ // temporary - it is added global_ntime;
+ kernel_uint_t global_gntime = 0;
+
// guest nice time, on guest time
- last = gntime_raw;
- gntime_raw = strtoull(procfile_lineword(ff, 0, 11), NULL, 10);
- global_gtime += (gntime_raw - last) * (USEC_PER_SEC * RATES_DETAIL) / (collected_usec - last_collected_usec);
+ incremental_rate(global_gntime, gntime_raw, str2kernel_uint_t(procfile_lineword(ff, 0, 11)), collected_usec, last_collected_usec);
+
+ global_gtime += global_gntime;
// remove guest time from user time
global_utime -= (global_utime > global_gtime) ? global_gtime : global_utime;
}
+#endif
if(unlikely(global_iterations_counter == 1)) {
global_utime = 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
#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(unlikely(debug))
fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
- file_descriptor_remove(&all_files[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");
+
#ifdef NETDATA_INTERNAL_CHECKS
all_files[id].magic = 0x00000000;
#endif /* NETDATA_INTERNAL_CHECKS */
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);
+static inline void all_files_grow() {
+ void *old = all_files;
+ int i;
+ // there is no empty slot
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);
+ fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
- fd->count++;
- return fd->pos;
- }
- // not found
+ all_files = reallocz(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
- // check we have enough memory to add it
- if(!all_files || all_files_len == all_files_size) {
- void *old = all_files;
- int i;
+ // if the address changed, we have to rebuild the index
+ // since all pointers are now invalid
- // there is no empty slot
+ if(unlikely(old && old != (void *)all_files)) {
if(unlikely(debug))
- fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
-
- all_files = reallocz(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
+ fprintf(stderr, "apps.plugin: >> re-indexing.\n");
- // 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;
+ if(unlikely(file_descriptor_add(&all_files[i]) != (void *)&all_files[i]))
+ error("INTERNAL ERROR: duplicate indexing of fd during realloc.");
+ }
- 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");
+ }
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
- }
+ // initialize the newly added entries
- for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
- all_files[i].count = 0;
- all_files[i].name = NULL;
+ 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;
+ all_files[i].magic = 0x00000000;
#endif /* NETDATA_INTERNAL_CHECKS */
- all_files[i].pos = i;
- }
-
- if(!all_files_size) all_files_len = 1;
- all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
+ all_files[i].pos = i;
}
+ 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();
+
if(unlikely(debug))
fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
// search for an empty slot
+
+ 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(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) freez((void *)all_files[c].name);
+ freez((void *)all_files[c].name);
all_files[c].name = NULL;
last_pos = c;
break;
}
}
+
+ all_files_len++;
+
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'
if(unlikely(debug))
fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
- all_files_len++;
+ 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.");
- // else we have an empty slot in 'c'
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
+
+ return 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) {
+static inline int file_descriptor_find_or_add(const char *name)
+{
+ 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: FIXME: unknown anonymous inode: %s\n", name);
+ fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
- type = FILETYPE_OTHER;
+ fd->count++;
+ return fd->pos;
+ }
+ // not found
+
+ FD_FILETYPE type;
+ if(likely(name[0] == '/')) type = FILETYPE_FILE;
+ else if(likely(strncmp(name, "pipe:", 5) == 0)) type = FILETYPE_PIPE;
+ else if(likely(strncmp(name, "socket:", 7) == 0)) type = FILETYPE_SOCKET;
+ else if(likely(strncmp(name, "anon_inode:", 11) == 0)) {
+ const char *t = &name[11];
+
+ if(strcmp(t, "inotify") == 0) type = FILETYPE_INOTIFY;
+ else if(strcmp(t, "[eventfd]") == 0) type = FILETYPE_EVENTFD;
+ else if(strcmp(t, "[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
+ else if(strcmp(t, "[timerfd]") == 0) type = FILETYPE_TIMERFD;
+ else if(strcmp(t, "[signalfd]") == 0) type = FILETYPE_SIGNALFD;
+ else {
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
+
+ type = FILETYPE_OTHER;
+ }
}
+ else if(likely(strcmp(name, "inotify") == 0)) type = FILETYPE_INOTIFY;
else {
if(unlikely(debug))
fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
type = FILETYPE_OTHER;
}
- 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 */
- file_descriptor_add(&all_files[c]);
+ return file_descriptor_set_on_empty_slot(name, hash, type);
+}
- if(unlikely(debug))
- fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
+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++;
+ }
+}
+
+static inline void cleanup_negative_pid_fds(struct pid_stat *p) {
+ int *fd = p->fds, *fdend = &p->fds[p->fds_size];
+
+ while(fd < fdend) {
+ if(unlikely(*fd < 0)) {
+ file_descriptor_not_used(-(*fd));
+ *fd++ = 0;
+ }
+ else
+ fd++;
+ }
+}
+
+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;
+}
+
+static inline int read_pid_file_descriptors(struct pid_stat *p, void *ptr) {
+ (void)ptr;
+#ifdef __FreeBSD__
+ int mib[4];
+ size_t size;
+ struct kinfo_file *fds;
+ static char *fdsbuf;
+ char *bfdsbuf, *efdsbuf;
+ char fdsname[FILENAME_MAX + 1];
+
+ // 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);
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_FILEDESC;
+ mib[3] = p->pid;
+
+ if (unlikely(sysctl(mib, 4, NULL, &size, NULL, 0))) {
+ error("sysctl error: Can't get file descriptors data size for pid %d", p->pid);
+ return 0;
+ }
+ if (likely(size > 0))
+ fdsbuf = reallocz(fdsbuf, size);
+ if (unlikely(sysctl(mib, 4, fdsbuf, &size, NULL, 0))) {
+ error("sysctl error: Can't get file descriptors data for pid %d", p->pid);
+ return 0;
+ }
+
+ bfdsbuf = fdsbuf;
+ efdsbuf = fdsbuf + size;
+ while (bfdsbuf < efdsbuf) {
+ fds = (struct kinfo_file *)(uintptr_t)bfdsbuf;
+ if (unlikely(fds->kf_structsize == 0))
+ break;
+
+ // do not process file descriptors for current working directory, root directory,
+ // jail directory, ktrace vnode, text vnode and controlling terminal
+ if (unlikely(fds->kf_fd < 0)) {
+ bfdsbuf += fds->kf_structsize;
+ continue;
+ }
+
+ // get file descriptors array index
+ int fdid = fds->kf_fd;
+
+ // check if the fds array is small
+ if (unlikely(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 + MAX_SPARE_FDS);
+
+ p->fds = reallocz(p->fds, (fdid + MAX_SPARE_FDS) * sizeof(int));
+
+ // and initialize it
+ zero_pid_fds(p, p->fds_size, (fdid + MAX_SPARE_FDS) - p->fds_size);
+ p->fds_size = fdid + MAX_SPARE_FDS;
+ }
+
+ if (unlikely(p->fds[fdid] == 0)) {
+ // we don't know this fd, get it
+
+ switch (fds->kf_type) {
+ case KF_TYPE_FIFO:
+ case KF_TYPE_VNODE:
+ if (unlikely(!fds->kf_path[0])) {
+ sprintf(fdsname, "other: inode: %lu", fds->kf_un.kf_file.kf_file_fileid);
+ break;
+ }
+ sprintf(fdsname, "%s", fds->kf_path);
+ break;
+ case KF_TYPE_SOCKET:
+ switch (fds->kf_sock_domain) {
+ case AF_INET:
+ case AF_INET6:
+ if (fds->kf_sock_protocol == IPPROTO_TCP)
+ sprintf(fdsname, "socket: %d %lx", fds->kf_sock_protocol, fds->kf_un.kf_sock.kf_sock_inpcb);
+ else
+ sprintf(fdsname, "socket: %d %lx", fds->kf_sock_protocol, fds->kf_un.kf_sock.kf_sock_pcb);
+ break;
+ case AF_UNIX:
+ /* print address of pcb and connected pcb */
+ sprintf(fdsname, "socket: %lx %lx", fds->kf_un.kf_sock.kf_sock_pcb, fds->kf_un.kf_sock.kf_sock_unpconn);
+ break;
+ default:
+ /* print protocol number and socket address */
+ sprintf(fdsname, "socket: other: %d %s %s", fds->kf_sock_protocol, fds->kf_sa_local.__ss_pad1, fds->kf_sa_local.__ss_pad2);
+ }
+ break;
+ case KF_TYPE_PIPE:
+ sprintf(fdsname, "pipe: %lu %lu", fds->kf_un.kf_pipe.kf_pipe_addr, fds->kf_un.kf_pipe.kf_pipe_peer);
+ break;
+ case KF_TYPE_PTS:
+ sprintf(fdsname, "other: pts: %u", fds->kf_un.kf_pts.kf_pts_dev);
+ break;
+ case KF_TYPE_SHM:
+ sprintf(fdsname, "other: shm: %s size: %lu", fds->kf_path, fds->kf_un.kf_file.kf_file_size);
+ break;
+ case KF_TYPE_SEM:
+ sprintf(fdsname, "other: sem: %u", fds->kf_un.kf_sem.kf_sem_value);
+ break;
+ default:
+ sprintf(fdsname, "other: pid: %d fd: %d", fds->kf_un.kf_proc.kf_pid, fds->kf_fd);
+ }
+
+ // if another process already has this, we will get
+ // the same id
+ p->fds[fdid] = file_descriptor_find_or_add(fdsname);
+ }
+
+ // 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];
+
+ bfdsbuf += fds->kf_structsize;
+ }
+#else
+ if(unlikely(!p->fds_dirname)) {
+ char dirname[FILENAME_MAX+1];
+ snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", netdata_configured_host_prefix, p->pid);
+ p->fds_dirname = strdupz(dirname);
+ }
+
+ DIR *fds = opendir(p->fds_dirname);
+ if(unlikely(!fds)) return 0;
- return c;
-}
+ struct dirent *de;
+ char fdname[FILENAME_MAX + 1];
+ char linkname[FILENAME_MAX + 1];
-int read_pid_file_descriptors(struct pid_stat *p) {
- char dirname[FILENAME_MAX+1];
+ // 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);
- snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", global_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];
+ while((de = readdir(fds))) {
+ // we need only files with numeric names
- // make the array negative
- for(c = 0 ; c < p->fds_size ; c++)
- p->fds[c] = -p->fds[c];
+ if(unlikely(de->d_name[0] < '0' || de->d_name[0] > '9'))
+ continue;
- while((de = readdir(fds))) {
- if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0)
- continue;
+ // get its number
+ int fdid = (int) str2l(de->d_name);
+ if(unlikely(fdid < 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);
+ // check if the fds array is small
+ if(unlikely(fdid >= p->fds_size)) {
+ // it is small, extend it
- p->fds = reallocz(p->fds, (fdid + 100) * sizeof(int));
- if(!p->fds) {
- fatal("Cannot re-allocate fds for %s", p->comm);
- break;
- }
+ 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
+ );
- // and initialize it
- for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
- p->fds_size = fdid + 100;
- }
+ p->fds = reallocz(p->fds, (fdid + MAX_SPARE_FDS) * sizeof(int));
- if(p->fds[fdid] == 0) {
- // we don't know this fd, get it
+ // and initialize it
+ zero_pid_fds(p, p->fds_size, (fdid + MAX_SPARE_FDS) - p->fds_size);
+ p->fds_size = fdid + MAX_SPARE_FDS;
+ }
- sprintf(fdname, "%s/proc/%d/fd/%s", global_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;
+ if(unlikely(p->fds[fdid] == 0)) {
+ // we don't know this fd, get it
+
+ sprintf(fdname, "%s/proc/%d/fd/%s", netdata_configured_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);
- }
+ 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 dirent structure
- else p->fds[fdid] = -p->fds[fdid];
- }
- closedir(fds);
+ // UPDATE: no we cannot use inodes - under /proc inodes don't change when the link is changed
- // 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
+ p->fds[fdid] = -p->fds[fdid];
}
- else return 0;
+
+ closedir(fds);
+#endif
+ cleanup_negative_pid_fds(p);
return 1;
}
// ----------------------------------------------------------------------------
-int print_process_and_parents(struct pid_stat *p, unsigned long long time) {
+static inline int print_process_and_parents(struct pid_stat *p, usec_t time) {
char *prefix = "\\_ ";
int indent = 0;
for(i = 0; i < indent ;i++) buffer[i] = ' ';
buffer[i] = '\0';
- fprintf(stderr, " %s %s%s (%d %s %lld"
+ fprintf(stderr, " %s %s%s (%d %s %llu"
, buffer
, prefix
, p->comm
, p->pid
, p->updated?"running":"exited"
- , (long long)p->stat_collected_usec - (long long)time
+ , p->stat_collected_usec - 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);
+ 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;
}
-void print_process_tree(struct pid_stat *p, char *msg) {
+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);
}
-void find_lost_child_debug(struct pid_stat *pe, unsigned long long lost, int type) {
+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;
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);
+ 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 %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ 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 %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ 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 %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ 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 %llu of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
+ 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;
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);
+ 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;
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);
+ 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 %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
+ 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;
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);
+ 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 %llu of process %d (%s)\n", lost, pe->pid, pe->comm);
+ 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;
}
}
}
-unsigned long long remove_exited_child_from_parent(unsigned long long *field, unsigned long long *pfield) {
- unsigned long long absorbed = 0;
+static inline kernel_uint_t remove_exited_child_from_parent(kernel_uint_t *field, kernel_uint_t *pfield) {
+ kernel_uint_t absorbed = 0;
if(*field > *pfield) {
absorbed += *pfield;
return absorbed;
}
-void process_exited_processes() {
+static inline 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);
+ kernel_uint_t utime = (p->utime_raw + p->cutime_raw) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t stime = (p->stime_raw + p->cstime_raw) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t gtime = (p->gtime_raw + p->cgtime_raw) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t minflt = (p->minflt_raw + p->cminflt_raw) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
+ kernel_uint_t majflt = (p->majflt_raw + p->cmajflt_raw) * (USEC_PER_SEC * 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"
+ 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"
print_process_tree(p, "Searching parents");
}
+ struct pid_stat *pp;
for(pp = p->parent; pp ; pp = pp->parent) {
if(!pp->updated) continue;
- unsigned long long absorbed;
+ kernel_uint_t 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);
+ 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 %llu stime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, stime);
+ 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 %llu gtime (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, gtime);
+ 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 %llu minflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, minflt);
+ 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 %llu majflt (remaining: %llu)\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, majflt);
+ 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(unlikely(utime + stime + gtime + minflt + majflt > 0)) {
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"
+ 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"
}
}
-void link_all_processes_to_their_parents(void) {
+static inline void link_all_processes_to_their_parents(void) {
struct pid_stat *p, *pp;
// link all children to their parents
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);
+ 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;
return 1;
}
-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;
-}
-
-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;
+static inline int collect_data_for_pid(pid_t pid, void *ptr) {
+ if(unlikely(pid < INIT_PID || pid > pid_max)) {
+ error("Invalid pid %d read (expected %d to %d). Ignoring process.", pid, INIT_PID, pid_max);
+ return 0;
}
struct pid_stat *p = get_pid_entry(pid);
- if(unlikely(!p || p->read)) return;
- p->read = 1;
+ 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))))
+ if(unlikely(!managed_log(p, PID_LOG_STAT, read_proc_pid_stat(p, ptr))))
// there is no reason to proceed if we cannot get its status
- return;
+ return 0;
- read_proc_pid_ownership(p);
+ read_proc_pid_ownership(p, ptr);
// check its parent pid
if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
// --------------------------------------------------------------------
// /proc/<pid>/io
- managed_log(p, PID_LOG_IO, read_proc_pid_io(p));
+ managed_log(p, PID_LOG_IO, read_proc_pid_io(p, ptr));
// --------------------------------------------------------------------
// /proc/<pid>/statm
- if(unlikely(!managed_log(p, PID_LOG_STATM, read_proc_pid_statm(p))))
+ if(unlikely(!managed_log(p, PID_LOG_STATM, read_proc_pid_statm(p, ptr))))
// 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))
- 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);
-
- 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;
- }
- }
- }
+ return 0;
// --------------------------------------------------------------------
// /proc/<pid>/fd
if(enable_file_charts)
- managed_log(p, PID_LOG_FDS, read_pid_file_descriptors(p));
+ managed_log(p, PID_LOG_FDS, read_pid_file_descriptors(p, ptr));
// --------------------------------------------------------------------
// done!
p->updated = 1;
p->keep = 0;
p->keeploops = 0;
+
+ return 1;
}
-int collect_data_for_all_processes_from_proc(void) {
+static int collect_data_for_all_processes(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
+#ifdef __FreeBSD__
+ int i, procnum;
+ size_t procbase_size;
+ static struct kinfo_proc *procbase;
+
+ int mib[3];
- long slc = 0;
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_PROC;
+ if (unlikely(sysctl(mib, 3, NULL, &procbase_size, NULL, 0))) {
+ error("sysctl error: Can't get processes data size");
+ return 0;
+ }
+ procbase = reallocz(procbase, procbase_size);
+ if (unlikely(sysctl(mib, 3, procbase, &procbase_size, NULL, 0))) {
+ error("sysctl error: Can't get processes data");
+ return 0;
+ }
+ procnum = procbase_size / sizeof(struct kinfo_proc);
+#endif
+
+ if(all_pids_count) {
+ size_t slc = 0;
for(p = root_of_pids; p ; p = p->next) {
- p->read = 0;
+ 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;
+#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
all_pids_sortlist[slc++] = p->pid;
+#endif
}
+#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
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);
+ 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) {
- qsort((void *)all_pids_sortlist, all_pids_count, sizeof(pid_t), compar_pid);
+ // 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 iteration
for(slc = 0; slc < all_pids_count; slc++)
- collect_data_for_pid(all_pids_sortlist[slc]);
+ collect_data_for_pid(all_pids_sortlist[slc], NULL);
}
+#endif
}
+#ifdef __FreeBSD__
+ for (i = INIT_PID; i < procnum - INIT_PID; ++i) {
+ pid_t pid = procbase[i].ki_pid;
+ collect_data_for_pid(pid, &procbase[i]);
+ }
+#else
char dirname[FILENAME_MAX + 1];
- snprintfz(dirname, FILENAME_MAX, "%s/proc", global_host_prefix);
+ snprintfz(dirname, FILENAME_MAX, "%s/proc", netdata_configured_host_prefix);
DIR *dir = opendir(dirname);
if(!dir) return 0;
- struct dirent *file = NULL;
+ 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;
- while((file = readdir(dir))) {
- char *endptr = file->d_name;
- pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10);
+ pid_t pid = (pid_t) strtoul(de->d_name, &endptr, 10);
// make sure we read a valid number
- if(unlikely(endptr == file->d_name || *endptr != '\0'))
+ if(unlikely(endptr == de->d_name || *endptr != '\0'))
continue;
- collect_data_for_pid(pid);
+ collect_data_for_pid(pid, NULL);
}
closedir(dir);
+#endif
+
+ 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
-
- read_proc_stat();
- link_all_processes_to_their_parents();
process_exited_processes();
return 1;
// 9. find the unique file count for each target
// check: update_apps_groups_statistics()
-void cleanup_exited_pids(void) {
+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)) {
-// 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;
- }
+ 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;
}
}
-void apply_apps_groups_targets_inheritance(void) {
+static void apply_apps_groups_targets_inheritance(void) {
struct pid_stat *p = NULL;
// children that do not have a target
&& p->parent
&& p->parent->children_count
&& (p->target == p->parent->target || !p->parent->target)
- && p->ppid != 1
+ && p->ppid != INIT_PID
)) {
p->parent->children_count--;
p->merged = 1;
}
// init goes always to default target
- if(all_pids[1])
- all_pids[1]->target = apps_groups_default_target;
+ if(all_pids[INIT_PID])
+ all_pids[INIT_PID]->target = apps_groups_default_target;
// give a default target on all top level processes
if(unlikely(debug)) loops++;
fprintf(stderr, "apps.plugin: apply_apps_groups_targets_inheritance() made %d loops on the process tree\n", loops);
}
-long zero_all_targets(struct target *root) {
+static size_t zero_all_targets(struct target *root) {
struct target *w;
- long count = 0;
+ size_t count = 0;
for (w = root; w ; w = w->next) {
count++;
- if(w->fds) freez(w->fds);
- w->fds = NULL;
-
w->minflt = 0;
w->majflt = 0;
w->utime = 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;
}
-void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
- (void)o;
-
- if(unlikely(!w->fds))
- w->fds = callocz(sizeof(int), (size_t) all_files_size);
-
- 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]);
- }
- }
+static inline void reallocate_target_fds(struct target *w) {
+ if(unlikely(!w))
+ return;
- 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);
+ 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;
}
}
-void count_targets_fds(struct target *root) {
- int c;
- struct target *w;
+static inline void aggregate_fd_on_target(int fd, struct target *w) {
+ if(unlikely(!w))
+ return;
- 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;
+ if(unlikely(w->target_fds[fd])) {
+ // it is already aggregated
+ // just increase its usage counter
+ w->target_fds[fd]++;
+ return;
+ }
- case FILETYPE_PIPE:
- w->openpipes++;
- break;
+ // increase its usage counter
+ // so that we will not add it again
+ w->target_fds[fd]++;
- case FILETYPE_SOCKET:
- w->opensockets++;
- break;
+ switch(all_files[fd].type) {
+ case FILETYPE_FILE:
+ w->openfiles++;
+ break;
- case FILETYPE_INOTIFY:
- w->openinotifies++;
- break;
+ case FILETYPE_PIPE:
+ w->openpipes++;
+ break;
- case FILETYPE_EVENTFD:
- w->openeventfds++;
- break;
+ case FILETYPE_SOCKET:
+ w->opensockets++;
+ break;
- case FILETYPE_TIMERFD:
- w->opentimerfds++;
- break;
+ case FILETYPE_INOTIFY:
+ w->openinotifies++;
+ break;
- case FILETYPE_SIGNALFD:
- w->opensignalfds++;
- break;
+ case FILETYPE_EVENTFD:
+ w->openeventfds++;
+ break;
- case FILETYPE_EVENTPOLL:
- w->openeventpolls++;
- break;
+ case FILETYPE_TIMERFD:
+ w->opentimerfds++;
+ break;
- default:
- w->openother++;
- }
- }
+ 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;
+ }
- freez(w->fds);
- w->fds = NULL;
+ 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);
}
-void calculate_netdata_statistics(void) {
+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 = zero_all_targets(apps_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 apps_groups_targets
+ // concentrate everything on the targets
for(p = root_of_pids; p ; p = p->next) {
// --------------------------------------------------------------------
- // 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);
+ // apps_groups target
+
+ aggregate_pid_on_target(p->target, p, NULL);
// --------------------------------------------------------------------
- // user targets
+ // user target
+
o = p->user_target;
if(likely(p->user_target && p->user_target->uid == p->uid))
w = p->user_target;
w = p->user_target = get_users_target(p->uid);
}
- 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);
+ aggregate_pid_on_target(w, p, o);
// --------------------------------------------------------------------
- // group targets
+ // user group target
+
o = p->group_target;
if(likely(p->group_target && p->group_target->gid == p->gid))
w = p->group_target;
w = p->group_target = get_groups_target(p->gid);
}
- 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);
+ aggregate_pid_on_target(w, p, o);
- }
- count_targets_fds(apps_groups_root_target);
- count_targets_fds(users_root_target);
- count_targets_fds(groups_root_target);
+ // --------------------------------------------------------------------
+ // aggregate all file descriptors
+
+ if(enable_file_charts)
+ aggregate_pid_fds_on_targets(p);
+ }
cleanup_exited_pids();
}
// ----------------------------------------------------------------------------
// 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 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, 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 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");
- buffer_strcat(output, "END\n");
+ fprintf(stdout, "END\n");
}
-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;
-
-usec_t send_resource_usage_to_netdata() {
+static usec_t send_resource_usage_to_netdata() {
static struct timeval last = { 0, 0 };
static struct rusage me_last;
usec_t cpusyst;
if(!last.tv_sec) {
- now_realtime_timeval(&last);
+ now_monotonic_timeval(&last);
getrusage(RUSAGE_SELF, &me_last);
// the first time, give a zero to allow
cpusyst = 0;
}
else {
- now_realtime_timeval(&now);
+ now_monotonic_timeval(&now);
getrusage(RUSAGE_SELF, &me);
usec = dt_usec(&now, &last);
memmove(&me_last, &me, sizeof(struct rusage));
}
- buffer_sprintf(output,
+ 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 calls '' incremental 1 1\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 = %llu\n"
- "SET pids = %ld\n"
+ "SET calls = %zu\n"
+ "SET files = %zu\n"
+ "SET pids = %zu\n"
"SET fds = %d\n"
- "SET targets = %ld\n"
+ "SET targets = %zu\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"
+ "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
+ , calls_counter
, file_counter
, all_pids_count
, all_files_len
- , apps_groups_targets
+ , apps_groups_targets_count
, 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)
+ , (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)
- buffer_sprintf(output,
+ fprintf(stdout,
"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"
+ "SET cutime = %u\n"
+ "SET cstime = %u\n"
+ "SET cgtime = %u\n"
+ "SET cminflt = %u\n"
+ "SET cmajflt = %u\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)
+ , (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;
}
-void normalize_data(struct target *root) {
+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.
- 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;
+ 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) global_utime = max;
- if(global_stime > max) global_stime = max;
- if(global_gtime > max) global_gtime = max;
+ 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;
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 "
+ "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=%llu s=%llu g=%llu cu=%llu cs=%llu cg=%llu "
+ "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
, 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 + 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
- , (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)
+ , (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)
);
}
}
-void send_collected_data_to_netdata(struct target *root, const char *type, usec_t usec) {
+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, (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_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, (unsigned long long)(w->utime * utime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cutime * cutime_fix_ratio)):0ULL));
+ 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, (unsigned long long)(w->stime * stime_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cstime * cstime_fix_ratio)):0ULL));
+ 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();
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_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, "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_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, (unsigned long long)(w->majflt * majflt_fix_ratio) + (include_exited_childs?((unsigned long long)(w->cmajflt * cmajflt_fix_ratio)):0ULL));
+ 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();
+#ifndef __FreeBSD__
send_BEGIN(type, "lreads", usec);
for (w = root; w ; w = w->next) {
if(unlikely(w->exposed))
send_SET(w->name, w->io_logical_bytes_written);
}
send_END();
+#endif
send_BEGIN(type, "preads", usec);
for (w = root; w ; w = w->next) {
// ----------------------------------------------------------------------------
// generate the charts
-void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
+static void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
{
struct target *w;
int newly_added = 0;
// 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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu %s\n", w->name, hz * RATES_DETAIL / 100, w->hidden ? "hidden" : "");
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu %s\n", w->name, hz * RATES_DETAIL / 100, w->hidden ? "hidden" : "");
}
- buffer_sprintf(output, "CHART %s.mem '' '%s Real Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
+ fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
}
- buffer_sprintf(output, "CHART %s.vmem '' '%s Virtual Memory Size' 'MB' mem %s.vmem stacked 20004 %d\n", type, title, type, update_every);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute %ld %ld\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
+ fprintf(stdout, "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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
+ fprintf(stdout, "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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
+ fprintf(stdout, "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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
+ fprintf(stdout, "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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
+ fprintf(stdout, "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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
+ fprintf(stdout, "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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
+ fprintf(stdout, "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);
+#ifndef __FreeBSD__
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * 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);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
}
+#endif
- 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);
+#ifdef __FreeBSD__
+ fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'blocks/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);
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 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);
+ fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'blocks/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);
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
+ }
+#else
+ 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);
}
- buffer_sprintf(output, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
+ fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
}
+#endif
if(enable_file_charts) {
- buffer_sprintf(output, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type,
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
+ fprintf(stdout, "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",
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
+ fprintf(stdout, "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,
+ 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))
- buffer_sprintf(output, "DIMENSION %s '' absolute 1 1\n", w->name);
+ fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
}
}
}
// ----------------------------------------------------------------------------
// parse command line arguments
-void parse_args(int argc, char **argv)
+int check_proc_1_io() {
+ int ret = 0;
+
+ procfile *ff = procfile_open("/proc/1/io", NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
+ if(!ff) goto cleanup;
+
+ ff = procfile_readall(ff);
+ if(!ff) goto cleanup;
+
+ ret = 1;
+
+cleanup:
+ procfile_close(ff);
+ return ret;
+}
+
+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 = atoi(argv[i]);
+ 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("test-permissions", argv[i]) == 0 || strcmp("-t", argv[i]) == 0) {
+ if(!check_proc_1_io()) {
+ perror("Tried to read /proc/1/io and it failed");
+ exit(1);
+ }
+ printf("OK\n");
+ exit(0);
+ }
+
if(strcmp("debug", argv[i]) == 0) {
debug = 1;
// debug_flags = 0xffffffff;
if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
fprintf(stderr,
- "apps.plugin\n"
- "(C) 2016 Costa Tsaousis"
- "GPL v3+\n"
- "This program is a data collector plugin for netdata.\n"
"\n"
- "Valid command line options:\n"
+ " netdata apps.plugin %s\n"
+ " Copyright (C) 2016-2017 Costa Tsaousis <costa@tsaousis.gr>\n"
+ " Released under GNU General 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"
- "SECONDS set the data collection frequency\n"
+ " debug enable debugging (lot of output)\n"
"\n"
- "debug enable debugging (lot of output)\n"
+ " with-childs\n"
+ " without-childs enable / disable aggregating exited\n"
+ " children resources into parents\n"
+ " (default is enabled)\n"
"\n"
- "with-childs\n"
- "without-childs enable / disable aggregating exited\n"
- " children resources into parents\n"
- " (default is enabled)\n"
+ " with-guest\n"
+ " without-guest enable / disable reporting guest charts\n"
+ " (default is disabled)\n"
"\n"
- "with-guest\n"
- "without-guest enable / disable reporting guest charts\n"
- " (default is disabled)\n"
+ " with-files\n"
+ " without-files enable / disable reporting files, sockets, pipes\n"
+ " (default is enabled)\n"
"\n"
- "with-files\n"
- "without-files enable / disable reporting files, sockets, pipes\n"
- " (default is enabled)\n"
+ " NAME read apps_NAME.conf instead of\n"
+ " apps_groups.conf\n"
+ " (default NAME=groups)\n"
"\n"
- "NAME read apps_NAME.conf instead of\n"
- " apps_groups.conf\n"
- " (default NAME=groups)\n"
+ " version print program version and exit\n"
+ "\n"
+ , VERSION
);
exit(1);
}
if(!name) name = "groups";
if(read_apps_groups_conf(name)) {
- error("Cannot read process groups %s", name);
+ error("Cannot read process groups '%s/apps_%s.conf'. There are no internal defaults. Failing.", config_dir, name);
exit(1);
}
}
-int main(int argc, char **argv)
-{
+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() {
+ 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;
error_log_errors_per_period = 100;
error_log_throttle_period = 3600;
- global_host_prefix = getenv("NETDATA_HOST_PREFIX");
- if(global_host_prefix == NULL) {
+ netdata_configured_host_prefix = getenv("NETDATA_HOST_PREFIX");
+ if(netdata_configured_host_prefix == NULL) {
// info("NETDATA_HOST_PREFIX is not passed from netdata");
- global_host_prefix = "";
+ netdata_configured_host_prefix = "";
}
- // else info("Found NETDATA_HOST_PREFIX='%s'", global_host_prefix);
+ // else info("Found NETDATA_HOST_PREFIX='%s'", netdata_configured_host_prefix);
config_dir = getenv("NETDATA_CONFIG_DIR");
if(config_dir == NULL) {
struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
if(setrlimit(RLIMIT_CORE, &rl) != 0)
info("Cannot request unlimited core dumps for debugging... Proceeding anyway...");
+#ifdef HAVE_SYS_PRCTL_H
prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
+#endif
}
#endif /* NETDATA_INTERNAL_CHECKS */
procfile_adaptive_initial_allocation = 1;
- time_t started_t = now_realtime_sec();
+ time_t started_t = now_monotonic_sec();
get_system_HZ();
get_system_pid_max();
get_system_cpus();
parse_args(argc, argv);
- all_pids_sortlist = callocz(sizeof(pid_t), (size_t)pid_max);
- all_pids = callocz(sizeof(struct pid_stat *), (size_t) pid_max);
-
- output = buffer_create(1024);
- 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(!check_capabilities() && !am_i_running_as_root() && !check_proc_1_io()) {
+ 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
+ }
- 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
- );
+ info("started on pid %d", getpid());
+
+#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
+ all_pids_sortlist = callocz(sizeof(pid_t), (size_t)pid_max);
+#endif
+
+ 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++) {
- usec_t now = now_realtime_usec();
- usec_t next = now - (now % step) + step;
- while(now < next) {
- sleep_usec(next - now);
- now = now_realtime_usec();
- }
+#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_from_proc()) {
+ 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_data(apps_groups_root_target);
+ normalize_utilization(apps_groups_root_target);
usec_t dt = send_resource_usage_to_netdata();
if(likely(enable_groups_charts))
send_collected_data_to_netdata(groups_root_target, "groups", dt);
- show_guest_time_old = show_guest_time;
-
- if(write(STDOUT_FILENO, buffer_tostring(output), buffer_strlen(output)) == -1)
- fatal("Cannot send chart values to netdata.");
+ fflush(stdout);
- // fflush(stdout);
- buffer_flush(output);
+ show_guest_time_old = show_guest_time;
if(unlikely(debug))
- fprintf(stderr, "apps.plugin: done Loop No %llu\n", global_iterations_counter);
-
- time_t current_t = now_realtime_sec();
+ fprintf(stderr, "apps.plugin: done Loop No %zu\n", global_iterations_counter);
// restart check (14400 seconds)
- if(current_t - started_t > 14400) exit(0);
+ if(now_monotonic_sec() - started_t > 14400) exit(0);
}
}
projects / netdata.git / blobdiff