-// TODO
-//
-// 1. disable RESET_OR_OVERFLOW check in charts
-
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <sys/time.h>
#include <sys/wait.h>
+#include <sys/stat.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <dirent.h>
#include <arpa/inet.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
+
+#include "avl.h"
+
#include "common.h"
#include "log.h"
-#include "avl.h"
#include "procfile.h"
+#include "../config.h"
-#define MAX_COMPARE_NAME 15
-#define MAX_NAME 100
+#ifdef NETDATA_INTERNAL_CHECKS
+#include <sys/prctl.h>
+#endif
-unsigned long long Hertz = 1;
+#define MAX_COMPARE_NAME 100
+#define MAX_NAME 100
+#define MAX_CMDLINE 1024
-long processors = 1;
-long pid_max = 32768;
+int processors = 1;
+pid_t pid_max = 32768;
int debug = 0;
int update_every = 1;
unsigned long long file_counter = 0;
-
+int proc_pid_cmdline_is_needed = 0;
+int include_exited_childs = 1;
char *host_prefix = "";
+char *config_dir = CONFIG_DIR;
-// ----------------------------------------------------------------------------
-// memory debugger
-
-struct allocations {
- size_t allocations;
- size_t allocated;
- size_t allocated_max;
-} allocations = { 0, 0, 0 };
-
-#define MALLOC_MARK (uint32_t)(0x0BADCAFE)
-#define MALLOC_PREFIX (sizeof(uint32_t) * 2)
-#define MALLOC_SUFFIX (sizeof(uint32_t))
-#define MALLOC_OVERHEAD (MALLOC_PREFIX + MALLOC_SUFFIX)
-
-void *mark_allocation(void *allocated_ptr, size_t size_without_overheads) {
- uint32_t *real_ptr = (uint32_t *)allocated_ptr;
- real_ptr[0] = MALLOC_MARK;
- real_ptr[1] = (uint32_t) size_without_overheads;
-
- uint32_t *end_ptr = (uint32_t *)(allocated_ptr + MALLOC_PREFIX + size_without_overheads);
- end_ptr[0] = MALLOC_MARK;
-
- // fprintf(stderr, "MEMORY_POINTER: Allocated at %p, returning %p.\n", allocated_ptr, (void *)(allocated_ptr + MALLOC_PREFIX));
-
- return allocated_ptr + MALLOC_PREFIX;
-}
-
-void *check_allocation(const char *file, int line, const char *function, void *marked_ptr, size_t *size_without_overheads_ptr) {
- uint32_t *real_ptr = (uint32_t *)(marked_ptr - MALLOC_PREFIX);
-
- // fprintf(stderr, "MEMORY_POINTER: Checking pointer at %p, real %p for %s/%u@%s.\n", marked_ptr, (void *)(marked_ptr - MALLOC_PREFIX), function, line, file);
-
- if(real_ptr[0] != MALLOC_MARK) fatal("MEMORY: prefix MARK is not valid for %s/%u@%s.", function, line, file);
-
- size_t size = real_ptr[1];
-
- uint32_t *end_ptr = (uint32_t *)(marked_ptr + size);
- if(end_ptr[0] != MALLOC_MARK) fatal("MEMORY: suffix MARK of allocation with size %zu is not valid for %s/%u@%s.", size, function, line, file);
-
- if(size_without_overheads_ptr) *size_without_overheads_ptr = size;
-
- return real_ptr;
-}
-
-void *malloc_debug(const char *file, int line, const char *function, size_t size) {
- void *ptr = malloc(size + MALLOC_OVERHEAD);
- if(!ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
-
- allocations.allocated += size;
- allocations.allocations++;
-
- debug(D_MEMORY, "MEMORY: Allocated %zu bytes for %s/%u@%s."
- " Status: allocated %zu in %zu allocs."
- , size
- , function, line, file
- , allocations.allocated
- , allocations.allocations
- );
-
- if(allocations.allocated > allocations.allocated_max) {
- debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
- allocations.allocated_max = allocations.allocated;
- }
-
- size_t csize;
- check_allocation(file, line, function, mark_allocation(ptr, size), &csize);
- if(size != csize) {
- fatal("Invalid size.");
- }
-
- return mark_allocation(ptr, size);
-}
-
-void *calloc_debug(const char *file, int line, const char *function, size_t nmemb, size_t size) {
- void *ptr = malloc_debug(file, line, function, (nmemb * size));
- bzero(ptr, nmemb * size);
- return ptr;
-}
-
-void free_debug(const char *file, int line, const char *function, void *ptr) {
- size_t size;
- void *real_ptr = check_allocation(file, line, function, ptr, &size);
-
- bzero(real_ptr, size + MALLOC_OVERHEAD);
-
- free(real_ptr);
- allocations.allocated -= size;
- allocations.allocations--;
-
- debug(D_MEMORY, "MEMORY: freed %zu bytes for %s/%u@%s."
- " Status: allocated %zu in %zu allocs."
- , size
- , function, line, file
- , allocations.allocated
- , allocations.allocations
- );
-}
-
-void *realloc_debug(const char *file, int line, const char *function, void *ptr, size_t size) {
- if(!ptr) return malloc_debug(file, line, function, size);
- if(!size) { free_debug(file, line, function, ptr); return NULL; }
-
- size_t old_size;
- void *real_ptr = check_allocation(file, line, function, ptr, &old_size);
-
- void *new_ptr = realloc(real_ptr, size + MALLOC_OVERHEAD);
- if(!new_ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
-
- allocations.allocated += size;
- allocations.allocated -= old_size;
- debug(D_MEMORY, "MEMORY: Re-allocated from %zu to %zu bytes for %s/%u@%s."
- " Status: allocated %z in %zu allocs."
- , old_size, size
- , function, line, file
- , allocations.allocated
- , allocations.allocations
- );
-
- if(allocations.allocated > allocations.allocated_max) {
- debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
- allocations.allocated_max = allocations.allocated;
- }
-
- return mark_allocation(new_ptr, size);
-}
-
-char *strdup_debug(const char *file, int line, const char *function, const char *ptr) {
- size_t size = 0;
- const char *s = ptr;
-
- while(*s++) size++;
- size++;
-
- char *p = malloc_debug(file, line, function, size);
- if(!p) fatal("Cannot allocate %zu bytes.", size);
+// ----------------------------------------------------------------------------
- memcpy(p, ptr, size);
- return p;
+void netdata_cleanup_and_exit(int ret) {
+ exit(ret);
}
-#define malloc(size) malloc_debug(__FILE__, __LINE__, __FUNCTION__, (size))
-#define calloc(nmemb, size) calloc_debug(__FILE__, __LINE__, __FUNCTION__, (nmemb), (size))
-#define realloc(ptr, size) realloc_debug(__FILE__, __LINE__, __FUNCTION__, (ptr), (size))
-#define free(ptr) free_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
-
-#ifdef strdup
-#undef strdup
-#endif
-#define strdup(ptr) strdup_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
// ----------------------------------------------------------------------------
-// helper functions
+// system functions
+// to retrieve settings of the system
-procfile *ff = NULL;
+long get_system_cpus(void) {
+ procfile *ff = NULL;
-long get_processors(void) {
int processors = 0;
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
- ff = procfile_reopen(ff, filename, "", PROCFILE_FLAG_DEFAULT);
+ ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
if(!ff) return 1;
ff = procfile_readall(ff);
if(!ff) {
- // procfile_close(ff);
+ procfile_close(ff);
return 1;
}
processors--;
if(processors < 1) processors = 1;
- // procfile_close(ff);
+ procfile_close(ff);
return processors;
}
-long get_pid_max(void) {
- long mpid = 32768;
+pid_t get_system_pid_max(void) {
+ procfile *ff = NULL;
+ pid_t mpid = 32768;
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
- ff = procfile_reopen(ff, filename, "", PROCFILE_FLAG_DEFAULT);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
+ ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
if(!ff) return mpid;
ff = procfile_readall(ff);
if(!ff) {
- // procfile_close(ff);
+ procfile_close(ff);
return mpid;
}
- mpid = atol(procfile_lineword(ff, 0, 0));
+ mpid = (pid_t)atoi(procfile_lineword(ff, 0, 0));
if(!mpid) mpid = 32768;
- // procfile_close(ff);
+ procfile_close(ff);
return mpid;
}
-unsigned long long get_hertz(void)
-{
- unsigned long long myhz = 1;
-
-#ifdef _SC_CLK_TCK
- if((myhz = (unsigned long long int) sysconf(_SC_CLK_TCK)) > 0) {
- return myhz;
- }
-#endif
-
-#ifdef HZ
- myhz = HZ; /* <asm/param.h> */
-#else
- /* If 32-bit or big-endian (not Alpha or ia64), assume HZ is 100. */
- hz = (sizeof(long)==sizeof(int) || htons(999)==999) ? 100UL : 1024UL;
-#endif
-
- error("Unknown HZ value. Assuming %llu.", myhz);
- return myhz;
-}
-
-
// ----------------------------------------------------------------------------
// target
-// target is the point to aggregate a process tree values
+// target is the structure that process data are aggregated
struct target {
char compare[MAX_COMPARE_NAME + 1];
+ uint32_t comparehash;
+ size_t comparelen;
+
char id[MAX_NAME + 1];
+ uint32_t idhash;
+
char name[MAX_NAME + 1];
+ uid_t uid;
+ gid_t gid;
+
unsigned long long minflt;
unsigned long long cminflt;
unsigned long long majflt;
unsigned long long num_threads;
unsigned long long rss;
- unsigned long long fix_minflt;
- unsigned long long fix_cminflt;
- unsigned long long fix_majflt;
- unsigned long long fix_cmajflt;
- unsigned long long fix_utime;
- unsigned long long fix_stime;
- unsigned long long fix_cutime;
- unsigned long long fix_cstime;
+ long long fix_minflt;
+ long long fix_cminflt;
+ long long fix_majflt;
+ long long fix_cmajflt;
+ long long fix_utime;
+ long long fix_stime;
+ long long fix_cutime;
+ long long fix_cstime;
unsigned long long statm_size;
unsigned long long statm_resident;
int exposed; // if set, we have sent this to netdata
int hidden; // if set, we set the hidden flag on the dimension
int debug;
+ int ends_with;
+ int starts_with; // if set, the compare string matches only the
+ // beginning of the command
- struct target *target; // the one that will be reported to netdata
+ struct target *target; // the one that will be reported to netdata
struct target *next;
-} *target_root = NULL, *default_target = NULL;
+};
+
+
+// ----------------------------------------------------------------------------
+// apps_groups.conf
+// aggregate all processes in groups, to have a limited number of dimensions
+
+struct target *apps_groups_root_target = NULL;
+struct target *apps_groups_default_target = NULL;
+long apps_groups_targets = 0;
-long targets = 0;
+struct target *users_root_target = NULL;
+struct target *groups_root_target = NULL;
-// find or create a target
-// there are targets that are just agregated to other target (the second argument)
-struct target *get_target(const char *id, struct target *target)
+struct target *get_users_target(uid_t uid)
{
- const char *nid = id;
- if(nid[0] == '-') nid++;
+ struct target *w;
+ for(w = users_root_target ; w ; w = w->next)
+ if(w->uid == uid) return w;
+
+ w = calloc(sizeof(struct target), 1);
+ if(unlikely(!w)) {
+ error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
+ return NULL;
+ }
+
+ snprintfz(w->compare, MAX_COMPARE_NAME, "%u", uid);
+ w->comparehash = simple_hash(w->compare);
+ w->comparelen = strlen(w->compare);
+
+ snprintfz(w->id, MAX_NAME, "%u", uid);
+ w->idhash = simple_hash(w->id);
+ struct passwd *pw = getpwuid(uid);
+ if(!pw)
+ snprintfz(w->name, MAX_NAME, "%u", uid);
+ else
+ snprintfz(w->name, MAX_NAME, "%s", pw->pw_name);
+
+ netdata_fix_chart_name(w->name);
+
+ w->uid = uid;
+
+ w->next = users_root_target;
+ users_root_target = w;
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: added uid %u ('%s') target\n", w->uid, w->name);
+
+ return w;
+}
+
+struct target *get_groups_target(gid_t gid)
+{
struct target *w;
- for(w = target_root ; w ; w = w->next)
- if(strncmp(nid, w->id, MAX_NAME) == 0) return w;
+ for(w = groups_root_target ; w ; w = w->next)
+ if(w->gid == gid) return w;
w = calloc(sizeof(struct target), 1);
- if(!w) {
+ if(unlikely(!w)) {
error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
return NULL;
}
- strncpy(w->id, nid, MAX_NAME);
- strncpy(w->name, nid, MAX_NAME);
- strncpy(w->compare, nid, MAX_COMPARE_NAME);
- if(id[0] == '-') w->hidden = 1;
+ snprintfz(w->compare, MAX_COMPARE_NAME, "%u", gid);
+ w->comparehash = simple_hash(w->compare);
+ w->comparelen = strlen(w->compare);
- w->target = target;
+ snprintfz(w->id, MAX_NAME, "%u", gid);
+ w->idhash = simple_hash(w->id);
+
+ struct group *gr = getgrgid(gid);
+ if(!gr)
+ snprintfz(w->name, MAX_NAME, "%u", gid);
+ else
+ snprintfz(w->name, MAX_NAME, "%s", gr->gr_name);
+
+ netdata_fix_chart_name(w->name);
- w->next = target_root;
- target_root = w;
+ w->gid = gid;
- if(debug) fprintf(stderr, "apps.plugin: adding hook for process '%s', compare '%s' on target '%s'\n", w->id, w->compare, w->target?w->target->id:"");
+ w->next = groups_root_target;
+ groups_root_target = w;
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: added gid %u ('%s') target\n", w->gid, w->name);
return w;
}
-// read the process groups file
-int read_process_groups(const char *name)
+// 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)
{
- char buffer[4096+1];
- char filename[FILENAME_MAX + 1];
+ int tdebug = 0, thidden = 0, ends_with = 0;
+ const char *nid = id;
- snprintf(filename, FILENAME_MAX, "%s/apps_%s.conf", CONFIG_DIR, name);
+ while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') {
+ if(nid[0] == '-') thidden = 1;
+ if(nid[0] == '+') tdebug = 1;
+ if(nid[0] == '*') ends_with = 1;
+ nid++;
+ }
+ uint32_t hash = simple_hash(id);
- if(debug) fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
- FILE *fp = fopen(filename, "r");
- if(!fp) {
- error("Cannot open file '%s'", filename);
- return 1;
+ struct target *w, *last = apps_groups_root_target;
+ for(w = apps_groups_root_target ; w ; w = w->next) {
+ if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0)
+ return w;
+
+ last = w;
}
- long line = 0;
- while(fgets(buffer, 4096, fp) != NULL) {
- int whidden = 0, wdebug = 0;
- line++;
+ w = calloc(sizeof(struct target), 1);
+ if(unlikely(!w)) {
+ error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
+ return NULL;
+ }
- // if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", buffer);
+ strncpyz(w->id, nid, MAX_NAME);
+ w->idhash = simple_hash(w->id);
- char *s = buffer, *t, *p;
- s = trim(s);
- if(!s || !*s || *s == '#') continue;
+ strncpyz(w->name, nid, MAX_NAME);
- if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", s);
+ strncpyz(w->compare, nid, MAX_COMPARE_NAME);
+ int len = strlen(w->compare);
+ if(w->compare[len - 1] == '*') {
+ w->compare[len - 1] = '\0';
+ w->starts_with = 1;
+ }
+ w->ends_with = ends_with;
- // the target name
- t = strsep(&s, ":");
- if(t) t = trim(t);
- if(!t || !*t) continue;
+ if(w->starts_with && w->ends_with)
+ proc_pid_cmdline_is_needed = 1;
- while(t[0]) {
- int stop = 1;
+ w->comparehash = simple_hash(w->compare);
+ w->comparelen = strlen(w->compare);
- switch(t[0]) {
- case '-':
- stop = 0;
- whidden = 1;
- t++;
- break;
+ w->hidden = thidden;
+ w->debug = tdebug;
+ w->target = target;
- case '+':
- stop = 0;
- wdebug = 1;
- t++;
- break;
- }
+ // append it, to maintain the order in apps_groups.conf
+ if(last) last->next = w;
+ else apps_groups_root_target = w;
- if(stop) break;
- }
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
+ , w->id
+ , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
+ , w->target?w->target->id:w->id
+ , (w->hidden)?"hidden":"-"
+ , (w->debug)?"debug":"-"
+ );
- if(debug) fprintf(stderr, "apps.plugin: \t\ttarget %s\n", t);
+ return w;
+}
- struct target *w = NULL;
- long count = 0;
- int blen = 0;
- char buffer[4097] = "";
- buffer[4096] = '\0';
+// read the apps_groups.conf file
+int read_apps_groups_conf(const char *name)
+{
+ char filename[FILENAME_MAX + 1];
+
+ snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, name);
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
+
+ // ----------------------------------------
+
+ procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT);
+ if(!ff) return 1;
+
+ procfile_set_quotes(ff, "'\"");
- // the process names
- while((p = strsep(&s, " "))) {
- p = trim(p);
- if(!p || !*p) continue;
+ ff = procfile_readall(ff);
+ if(!ff) {
+ procfile_close(ff);
+ return 1;
+ }
- strncpy(&buffer[blen], p, 4096 - blen);
- blen = strlen(buffer);
+ unsigned long line, lines = procfile_lines(ff);
- while(buffer[blen - 1] == '\\') {
- buffer[blen - 1] = ' ';
+ for(line = 0; line < lines ;line++) {
+ unsigned long word, words = procfile_linewords(ff, line);
+ struct target *w = NULL;
- if((p = strsep(&s, " ")))
- p = trim(p);
+ char *t = procfile_lineword(ff, line, 0);
+ if(!t || !*t) continue;
- if(!p || !*p) p = " ";
- strncpy(&buffer[blen], p, 4096 - blen);
- blen = strlen(buffer);
+ for(word = 0; word < words ;word++) {
+ char *s = procfile_lineword(ff, line, word);
+ if(!s || !*s) continue;
+ if(*s == '#') break;
+
+ if(t == s) continue;
+
+ struct target *n = get_apps_groups_target(s, w);
+ if(!n) {
+ error("Cannot create target '%s' (line %lu, word %lu)", s, line, word);
+ continue;
}
- struct target *n = get_target(buffer, w);
- n->hidden = whidden;
- n->debug = wdebug;
if(!w) w = n;
+ }
- buffer[0] = '\0';
- blen = 0;
+ if(w) {
+ int tdebug = 0, thidden = 0;
- count++;
- }
+ while(t[0] == '-' || t[0] == '+') {
+ if(t[0] == '-') thidden = 1;
+ if(t[0] == '+') tdebug = 1;
+ t++;
+ }
- if(w) strncpy(w->name, t, MAX_NAME);
- if(!count) error("The line %ld on file '%s', for group '%s' does not state any process names.", line, filename, 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":"-"
+ );
+ }
}
- fclose(fp);
- default_target = get_target("+p!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
- strncpy(default_target->name, "other", MAX_NAME);
+ procfile_close(ff);
+
+ apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
+ if(!apps_groups_default_target)
+ error("Cannot create default target");
+ else
+ strncpyz(apps_groups_default_target->name, "other", MAX_NAME);
return 0;
}
struct pid_stat {
int32_t pid;
char comm[MAX_COMPARE_NAME + 1];
+ char cmdline[MAX_CMDLINE + 1];
+
// char state;
int32_t ppid;
// int32_t pgrp;
// uint64_t guest_time;
// int64_t cguest_time;
+ uid_t uid;
+ gid_t gid;
+
unsigned long long statm_size;
unsigned long long statm_resident;
unsigned long long statm_share;
unsigned long long io_storage_bytes_written;
unsigned long long io_cancelled_write_bytes;
-#ifdef INCLUDE_CHILDS
- unsigned long long old_utime;
- unsigned long long old_stime;
- unsigned long long old_minflt;
- unsigned long long old_majflt;
+ // we need the last values
+ // for all incremental counters
+ // so that when a process switches users/groups
+ // we will subtract these values from the old
+ // target
+ unsigned long long last_minflt;
+ unsigned long long last_majflt;
+ unsigned long long last_utime;
+ unsigned long long last_stime;
+
+ unsigned long long last_cminflt;
+ unsigned long long last_cmajflt;
+ unsigned long long last_cutime;
+ unsigned long long last_cstime;
+
+ unsigned long long last_fix_cminflt;
+ unsigned long long last_fix_cmajflt;
+ unsigned long long last_fix_cutime;
+ unsigned long long last_fix_cstime;
+
+ unsigned long long last_io_logical_bytes_read;
+ unsigned long long last_io_logical_bytes_written;
+ unsigned long long last_io_read_calls;
+ unsigned long long last_io_write_calls;
+ unsigned long long last_io_storage_bytes_read;
+ unsigned long long last_io_storage_bytes_written;
+ unsigned long long last_io_cancelled_write_bytes;
- unsigned long long old_cutime;
- unsigned long long old_cstime;
- unsigned long long old_cminflt;
- unsigned long long old_cmajflt;
-
- unsigned long long fix_cutime;
- unsigned long long fix_cstime;
unsigned long long fix_cminflt;
unsigned long long fix_cmajflt;
+ unsigned long long fix_cutime;
+ unsigned long long fix_cstime;
- unsigned long long diff_cutime;
- unsigned long long diff_cstime;
- unsigned long long diff_cminflt;
- unsigned long long diff_cmajflt;
-#endif
-
- int *fds; // array of fds it uses
- int fds_size; // the size of the fds array
+ int *fds; // array of fds it uses
+ int fds_size; // the size of the fds array
- int childs; // number of processes directly referencing this
- int updated; // 1 when update
- int merged; // 1 when it has been merged to its parent
+ int children_count; // number of processes directly referencing this
+ int updated; // 1 when update
+ int merged; // 1 when it has been merged to its parent
int new_entry;
- struct target *target;
+
+ struct target *target; // app_groups.conf targets
+ struct target *user_target; // uid based targets
+ struct target *group_target; // gid based targets
+
struct pid_stat *parent;
struct pid_stat *prev;
struct pid_stat *next;
+
} *root_of_pids = NULL, **all_pids;
long all_pids_count = 0;
all_pids[pid] = calloc(sizeof(struct pid_stat), 1);
if(!all_pids[pid]) {
- error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct pid_stat));
+ error("Cannot allocate %zu bytes of memory", (size_t)sizeof(struct pid_stat));
return NULL;
}
all_pids[pid]->fds = calloc(sizeof(int), 100);
if(!all_pids[pid]->fds)
- error("Cannot allocate %ld bytes of memory", (unsigned long)(sizeof(int) * 100));
+ error("Cannot allocate %zu bytes of memory", (size_t)(sizeof(int) * 100));
else all_pids[pid]->fds_size = 100;
if(root_of_pids) root_of_pids->prev = all_pids[pid];
{
if(!all_pids[pid]) return;
- if(debug) fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next;
if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
// ----------------------------------------------------------------------------
// update pids from proc
+int read_proc_pid_cmdline(struct pid_stat *p) {
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", host_prefix, p->pid);
+
+ int fd = open(filename, O_RDONLY, 0666);
+ if(unlikely(fd == -1)) return 1;
+
+ int i, bytes = read(fd, p->cmdline, MAX_CMDLINE);
+ close(fd);
+
+ if(bytes <= 0) {
+ // copy the command to the command line
+ strncpyz(p->cmdline, p->comm, MAX_CMDLINE);
+ return 0;
+ }
+
+ p->cmdline[bytes] = '\0';
+ for(i = 0; i < bytes ; i++)
+ if(!p->cmdline[i]) p->cmdline[i] = ' ';
+
+ if(unlikely(debug))
+ fprintf(stderr, "Read file '%s' contents: %s\n", filename, p->cmdline);
+
+ return 0;
+}
+
+int read_proc_pid_ownership(struct pid_stat *p) {
+ char filename[FILENAME_MAX + 1];
+
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d", host_prefix, p->pid);
+
+ // ----------------------------------------
+ // read uid and gid
+
+ struct stat st;
+ if(stat(filename, &st) != 0)
+ return 1;
+
+ p->uid = st.st_uid;
+ p->gid = st.st_gid;
+
+ return 0;
+}
+
int read_proc_pid_stat(struct pid_stat *p) {
+ static procfile *ff = NULL;
+
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
+
+ // ----------------------------------------
+
+ int set_quotes = (!ff)?1:0;
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
+ // if(set_quotes) procfile_set_quotes(ff, "()");
+ if(set_quotes) procfile_set_open_close(ff, "(", ")");
+
ff = procfile_readall(ff);
if(!ff) {
// procfile_close(ff);
file_counter++;
- p->comm[0] = '\0';
- p->comm[MAX_COMPARE_NAME] = '\0';
- size_t blen = 0;
-
- char *s = procfile_lineword(ff, 0, 1);
- if(*s == '(') s++;
- size_t len = strlen(s);
+ // parse the process name
unsigned int i = 0;
- while(len && s[len - 1] != ')') {
- if(blen < MAX_COMPARE_NAME) {
- strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
- blen = strlen(p->comm);
- }
-
- i++;
- s = procfile_lineword(ff, 0, 1+i);
- len = strlen(s);
- }
- if(len && s[len - 1] == ')') s[len - 1] = '\0';
- if(blen < MAX_COMPARE_NAME)
- strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
+ strncpyz(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME);
// p->pid = atol(procfile_lineword(ff, 0, 0+i));
// comm is at 1
// p->guest_time = strtoull(procfile_lineword(ff, 0, 42+i), NULL, 10);
// p->cguest_time = strtoull(procfile_lineword(ff, 0, 43), NULL, 10);
- if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: VALUES: %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", p->comm, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
+ if(unlikely(debug || (p->target && p->target->debug)))
+ fprintf(stderr, "apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' VALUES: utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, threads=%d\n", host_prefix, p->pid, p->comm, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
// procfile_close(ff);
return 0;
}
int read_proc_pid_statm(struct pid_stat *p) {
+ static procfile *ff = NULL;
+
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
}
int read_proc_pid_io(struct pid_stat *p) {
+ static procfile *ff = NULL;
+
char filename[FILENAME_MAX + 1];
- snprintf(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
+ snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return 1;
}
-// ----------------------------------------------------------------------------
-
-#ifdef INCLUDE_CHILDS
-// print a tree view of all processes
-int walk_down(pid_t pid, int level) {
- struct pid_stat *p = NULL;
- char b[level+3];
- int i, ret = 0;
-
- for(i = 0; i < level; i++) b[i] = '\t';
- b[level] = '|';
- b[level+1] = '-';
- b[level+2] = '\0';
-
- for(p = root_of_pids; p ; p = p->next) {
- if(p->ppid == pid) {
- ret += walk_down(p->pid, level+1);
- }
- }
-
- p = all_pids[pid];
- if(p) {
- if(!p->updated) ret += 1;
- if(ret) fprintf(stderr, "%s %s %d [%s, %s] c=%d u=%llu+%llu, s=%llu+%llu, cu=%llu+%llu, cs=%llu+%llu, n=%llu+%llu, j=%llu+%llu, cn=%llu+%llu, cj=%llu+%llu\n"
- , b, p->comm, p->pid, p->updated?"OK":"KILLED", p->target->name, p->childs
- , p->utime, p->utime - p->old_utime
- , p->stime, p->stime - p->old_stime
- , p->cutime, p->cutime - p->old_cutime
- , p->cstime, p->cstime - p->old_cstime
- , p->minflt, p->minflt - p->old_minflt
- , p->majflt, p->majflt - p->old_majflt
- , p->cminflt, p->cminflt - p->old_cminflt
- , p->cmajflt, p->cmajflt - p->old_cmajflt
- );
- }
-
- return ret;
-}
-#endif
-
-
// ----------------------------------------------------------------------------
// file descriptor
// this is used to keep a global list of all open files of the system
-// it is needed in order to figure out the unique files a process tree has open
+// 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 all_files_size = 0;
int file_descriptor_compare(void* a, void* b) {
+#ifdef NETDATA_INTERNAL_CHECKS
if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
error("Corrupted index data detected. Please report this.");
+#endif /* NETDATA_INTERNAL_CHECKS */
if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
return -1;
+
else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
return 1;
- else return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
+
+ else
+ return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
}
+
int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
avl_tree all_files_index = {
NULL,
- file_descriptor_compare,
-#ifdef AVL_LOCK_WITH_MUTEX
- PTHREAD_MUTEX_INITIALIZER
-#else
- PTHREAD_RWLOCK_INITIALIZER
-#endif
+ file_descriptor_compare
};
static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
- struct file_descriptor *result = NULL, tmp;
+ struct file_descriptor tmp;
tmp.hash = (hash)?hash:simple_hash(name);
tmp.name = name;
tmp.count = 0;
tmp.pos = 0;
+#ifdef NETDATA_INTERNAL_CHECKS
tmp.magic = 0x0BADCAFE;
+#endif /* NETDATA_INTERNAL_CHECKS */
- avl_search(&all_files_index, (avl *)&tmp, file_descriptor_iterator, (avl **)&result);
- return result;
+ return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp);
}
#define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
void file_descriptor_not_used(int id)
{
if(id > 0 && id < all_files_size) {
+
+#ifdef NETDATA_INTERNAL_CHECKS
if(all_files[id].magic != 0x0BADCAFE) {
error("Ignoring request to remove empty file id %d.", id);
return;
}
+#endif /* NETDATA_INTERNAL_CHECKS */
- if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
if(all_files[id].count > 0) {
all_files[id].count--;
if(!all_files[id].count) {
- if(debug) fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
+
file_descriptor_remove(&all_files[id]);
+#ifdef NETDATA_INTERNAL_CHECKS
all_files[id].magic = 0x00000000;
+#endif /* NETDATA_INTERNAL_CHECKS */
all_files_len--;
}
}
static int last_pos = 0;
uint32_t hash = simple_hash(name);
- if(debug) fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
+ 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(debug) fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
+
fd->count++;
return fd->pos;
}
int i;
// there is no empty slot
- if(debug) fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
+
all_files = realloc(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
// if the address changed, we have to rebuild the index
// since all pointers are now invalid
if(old && old != (void *)all_files) {
- if(debug) fprintf(stderr, "apps.plugin: >> re-indexing.\n");
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> re-indexing.\n");
+
all_files_index.root = NULL;
for(i = 0; i < all_files_size; i++) {
if(!all_files[i].count) continue;
file_descriptor_add(&all_files[i]);
}
- if(debug) fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
}
for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
all_files[i].count = 0;
all_files[i].name = NULL;
+#ifdef NETDATA_INTERNAL_CHECKS
all_files[i].magic = 0x00000000;
+#endif /* NETDATA_INTERNAL_CHECKS */
all_files[i].pos = i;
}
all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
}
- if(debug) fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
// search for an empty slot
int i, c;
if(c == 0) continue;
if(!all_files[c].count) {
- if(debug) fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
+#ifdef NETDATA_INTERNAL_CHECKS
if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
+#endif /* NETDATA_INTERNAL_CHECKS */
+
+ 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(debug) fprintf(stderr, "apps.plugin: >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name);
if(all_files[c].name) free((void *)all_files[c].name);
all_files[c].name = NULL;
last_pos = c;
fatal("We should find an empty slot, but there isn't any");
exit(1);
}
- if(debug) fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
all_files_len++;
else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
else if(strncmp(name, "anon_inode:", 11) == 0) {
- if(debug) fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
+
type = FILETYPE_OTHER;
}
else {
- if(debug) fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
+
type = FILETYPE_OTHER;
}
all_files[c].type = type;
all_files[c].pos = c;
all_files[c].count = 1;
+#ifdef NETDATA_INTERNAL_CHECKS
all_files[c].magic = 0x0BADCAFE;
-
+#endif /* NETDATA_INTERNAL_CHECKS */
file_descriptor_add(&all_files[c]);
- if(debug) fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
return c;
}
+int read_pid_file_descriptors(struct pid_stat *p) {
+ char dirname[FILENAME_MAX+1];
+
+ snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid);
+ DIR *fds = opendir(dirname);
+ if(fds) {
+ int c;
+ struct dirent *de;
+ char fdname[FILENAME_MAX + 1];
+ char linkname[FILENAME_MAX + 1];
+
+ // make the array negative
+ for(c = 0 ; c < p->fds_size ; c++)
+ p->fds[c] = -p->fds[c];
+
+ while((de = readdir(fds))) {
+ if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0)
+ continue;
+
+ // check if the fds array is small
+ int fdid = atoi(de->d_name);
+ if(fdid < 0) continue;
+ if(fdid >= p->fds_size) {
+ // it is small, extend it
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
+
+ p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
+ if(!p->fds) {
+ fatal("Cannot re-allocate fds for %s", p->comm);
+ break;
+ }
+
+ // and initialize it
+ for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
+ p->fds_size = fdid + 100;
+ }
+
+ if(p->fds[fdid] == 0) {
+ // we don't know this fd, get it
+
+ sprintf(fdname, "%s/proc/%d/fd/%s", host_prefix, p->pid, de->d_name);
+ ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
+ if(l == -1) {
+ if(debug || (p->target && p->target->debug)) {
+ if(debug || (p->target && p->target->debug))
+ error("Cannot read link %s", fdname);
+ }
+ continue;
+ }
+ linkname[l] = '\0';
+ file_counter++;
+
+ // if another process already has this, we will get
+ // the same id
+ p->fds[fdid] = file_descriptor_find_or_add(linkname);
+ }
+
+ // else make it positive again, we need it
+ // of course, the actual file may have changed, but we don't care so much
+ // FIXME: we could compare the inode as returned by readdir direct structure
+ else p->fds[fdid] = -p->fds[fdid];
+ }
+ closedir(fds);
+
+ // remove all the negative file descriptors
+ for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
+ file_descriptor_not_used(-p->fds[c]);
+ p->fds[c] = 0;
+ }
+ }
+ else return 1;
+
+ return 0;
+}
+
+// ----------------------------------------------------------------------------
// 1. read all files in /proc
// 2. for each numeric directory:
// to avoid filling up all disk space
// if debug is enabled, all errors are printed
-int update_from_proc(void)
+int collect_data_for_all_processes_from_proc(void)
{
- static long count_errors = 0;
-
- char filename[FILENAME_MAX+1];
char dirname[FILENAME_MAX + 1];
- snprintf(dirname, FILENAME_MAX, "%s/proc", host_prefix);
+ snprintfz(dirname, FILENAME_MAX, "%s/proc", host_prefix);
DIR *dir = opendir(dirname);
if(!dir) return 0;
all_pids_count = 0;
for(p = root_of_pids; p ; p = p->next) {
all_pids_count++;
- p->parent = NULL;
- p->updated = 0;
- p->childs = 0;
- p->merged = 0;
- p->new_entry = 0;
+
+ p->parent = NULL;
+
+ p->updated = 0;
+ p->children_count = 0;
+ p->merged = 0;
+ p->new_entry = 0;
+
+ p->last_minflt = p->minflt;
+ p->last_majflt = p->majflt;
+ p->last_utime = p->utime;
+ p->last_stime = p->stime;
+
+ p->last_cminflt = p->cminflt;
+ p->last_cmajflt = p->cmajflt;
+ p->last_cutime = p->cutime;
+ p->last_cstime = p->cstime;
+
+ p->last_fix_cminflt = p->fix_cminflt;
+ p->last_fix_cmajflt = p->fix_cmajflt;
+ p->last_fix_cutime = p->fix_cutime;
+ p->last_fix_cstime = p->fix_cstime;
+
+ p->last_io_logical_bytes_read = p->io_logical_bytes_read;
+ p->last_io_logical_bytes_written = p->io_logical_bytes_written;
+ p->last_io_read_calls = p->io_read_calls;
+ p->last_io_write_calls = p->io_write_calls;
+ p->last_io_storage_bytes_read = p->io_storage_bytes_read;
+ p->last_io_storage_bytes_written = p->io_storage_bytes_written;
+ p->last_io_cancelled_write_bytes = p->io_cancelled_write_bytes;
}
while((file = readdir(dir))) {
char *endptr = file->d_name;
pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10);
- if(pid <= 0 || pid > pid_max || endptr == file->d_name || *endptr != '\0') continue;
+
+ // make sure we read a valid number
+ if(unlikely(endptr == file->d_name || *endptr != '\0'))
+ continue;
+
+ if(unlikely(pid <= 0 || pid > pid_max)) {
+ error("Invalid pid %d read (expected 1 to %d). Ignoring process.", pid, pid_max);
+ continue;
+ }
p = get_pid_entry(pid);
- if(!p) continue;
+ if(unlikely(!p)) continue;
+
// --------------------------------------------------------------------
// /proc/<pid>/stat
- if(read_proc_pid_stat(p)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot process %s/proc/%d/stat", host_prefix, pid);
-
+ if(unlikely(read_proc_pid_stat(p))) {
+ error("Cannot process %s/proc/%d/stat", host_prefix, pid);
+ // there is no reason to proceed if we cannot get its status
continue;
}
- if(p->ppid < 0 || p->ppid > pid_max) p->ppid = 0;
+ // check its parent pid
+ if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
+ error("Pid %d states invalid parent pid %d. Using 0.", pid, p->ppid);
+ p->ppid = 0;
+ }
// --------------------------------------------------------------------
// /proc/<pid>/statm
- if(read_proc_pid_statm(p)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot process %s/proc/%d/statm", host_prefix, pid);
-
+ if(unlikely(read_proc_pid_statm(p))) {
+ error("Cannot process %s/proc/%d/statm", host_prefix, pid);
+ // there is no reason to proceed if we cannot get its memory status
continue;
}
// --------------------------------------------------------------------
// /proc/<pid>/io
- if(read_proc_pid_io(p)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
+ if(unlikely(read_proc_pid_io(p))) {
error("Cannot process %s/proc/%d/io", host_prefix, pid);
// on systems without /proc/X/io
// continue;
}
+ // --------------------------------------------------------------------
+ // <pid> ownership
+
+ if(unlikely(read_proc_pid_ownership(p))) {
+ error("Cannot stat %s/proc/%d", host_prefix, pid);
+ }
+
// --------------------------------------------------------------------
// link it
// check if it is target
// we do this only once, the first time this pid is loaded
- if(p->new_entry) {
- if(debug) fprintf(stderr, "apps.plugin: \tJust added %s\n", p->comm);
+ if(unlikely(p->new_entry)) {
+ // /proc/<pid>/cmdline
+ if(proc_pid_cmdline_is_needed) {
+ if(unlikely(read_proc_pid_cmdline(p))) {
+ error("Cannot process %s/proc/%d/cmdline", host_prefix, pid);
+ }
+ }
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: \tJust added %d (%s)\n", pid, p->comm);
+
+ uint32_t hash = simple_hash(p->comm);
+ size_t pclen = strlen(p->comm);
struct target *w;
- for(w = target_root; w ; w = w->next) {
+ 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(strcmp(w->compare, p->comm) == 0) {
+ // 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);
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
+
+ break;
}
}
}
// --------------------------------------------------------------------
// /proc/<pid>/fd
- snprintf(filename, FILENAME_MAX, "%s/proc/%s/fd", host_prefix, file->d_name);
- DIR *fds = opendir(filename);
- if(fds) {
- int c;
- struct dirent *de;
- char fdname[FILENAME_MAX + 1];
- char linkname[FILENAME_MAX + 1];
-
- // make the array negative
- for(c = 0 ; c < p->fds_size ; c++) p->fds[c] = -p->fds[c];
-
- while((de = readdir(fds))) {
- if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
-
- // check if the fds array is small
- int fdid = atoi(de->d_name);
- if(fdid < 0) continue;
- if(fdid >= p->fds_size) {
- // it is small, extend it
- if(debug) fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
- p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
- if(!p->fds) {
- error("Cannot re-allocate fds for %s", p->comm);
- break;
- }
-
- // and initialize it
- for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
- p->fds_size = fdid + 100;
- }
-
- if(p->fds[fdid] == 0) {
- // we don't know this fd, get it
-
- sprintf(fdname, "%s/proc/%s/fd/%s", host_prefix, file->d_name, de->d_name);
- ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
- if(l == -1) {
- if(debug || (p->target && p->target->debug)) {
- if(!count_errors++ || debug || (p->target && p->target->debug))
- error("Cannot read link %s", fdname);
- }
- continue;
- }
- linkname[l] = '\0';
- file_counter++;
-
- // if another process already has this, we will get
- // the same id
- p->fds[fdid] = file_descriptor_find_or_add(linkname);
- }
-
- // else make it positive again, we need it
- // of course, the actual file may have changed, but we don't care so much
- // FIXME: we could compare the inode as returned by readdir direct structure
- else p->fds[fdid] = -p->fds[fdid];
- }
- closedir(fds);
-
- // remove all the negative file descriptors
- for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
- file_descriptor_not_used(-p->fds[c]);
- p->fds[c] = 0;
- }
+ if(unlikely(read_pid_file_descriptors(p))) {
+ error("Cannot process entries in %s/proc/%d/fd", host_prefix, pid);
}
// --------------------------------------------------------------------
// mark it as updated
p->updated = 1;
}
- if(count_errors > 1000) {
- error("%ld more errors encountered\n", count_errors - 1);
- count_errors = 0;
- }
closedir(dir);
return 1;
}
-
// ----------------------------------------------------------------------------
// update statistics on the targets
// 4. go from top to bottom, linking all childs without a target, to their parent target
// after this step, all processes have a target
// [5. for each killed pid (updated = 0), remove its usage from its target]
-// 6. zero all targets
-// 7. concentrate all values on the targets
+// 6. zero all apps_groups_targets
+// 7. concentrate all values on the apps_groups_targets
// 8. remove all killed processes
// 9. find the unique file count for each target
+// check: update_apps_groups_statistics()
-void update_statistics(void)
-{
- int c;
+void link_all_processes_to_their_parents(void) {
+ struct pid_stat *init = all_pids[1];
struct pid_stat *p = NULL;
- // link all parents and update childs count
+ // link all children to their parents
+ // and update children count on parents
for(p = root_of_pids; p ; p = p->next) {
- if(p->ppid > 0 && p->ppid <= pid_max && all_pids[p->ppid]) {
- if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \tparent of %d %s is %d %s\n", p->pid, p->comm, p->ppid, all_pids[p->ppid]->comm);
+ // for each process found running
+
+ if(likely(p->new_entry && p->updated)) {
+ // the first time we see an entry
+ // we remove the exited children figures
+ // to avoid spikes
+ p->fix_cminflt = p->cminflt;
+ p->fix_cmajflt = p->cmajflt;
+ p->fix_cutime = p->cutime;
+ p->fix_cstime = p->cstime;
+ }
+
+ if(likely(p->ppid > 0 && all_pids[p->ppid])) {
+ // valid parent processes
+
+ struct pid_stat *pp;
+
+ p->parent = pp = all_pids[p->ppid];
+ p->parent->children_count++;
+
+ if(unlikely(debug || (p->target && p->target->debug)))
+ fprintf(stderr, "apps.plugin: \tchild %d (%s, %s) has parent %d (%s, %s). Parent: utime=%llu, stime=%llu, minflt=%llu, majflt=%llu, cutime=%llu, cstime=%llu, cminflt=%llu, cmajflt=%llu, fix_cutime=%llu, fix_cstime=%llu, fix_cminflt=%llu, fix_cmajflt=%llu\n", p->pid, p->comm, p->updated?"running":"exited", pp->pid, pp->comm, pp->updated?"running":"exited", pp->utime, pp->stime, pp->minflt, pp->majflt, pp->cutime, pp->cstime, pp->cminflt, pp->cmajflt, pp->fix_cutime, pp->fix_cstime, pp->fix_cminflt, pp->fix_cmajflt);
+
+ if(unlikely(!p->updated)) {
+ // this process has exit
+
+ // find the first parent that has been updated
+ while(pp && !pp->updated) {
+ // we may have to forward link it to its parent
+ if(unlikely(!pp->parent && pp->ppid > 0 && all_pids[pp->ppid]))
+ pp->parent = all_pids[pp->ppid];
+
+ // check again for parent
+ pp = pp->parent;
+ }
+
+ if(likely(pp)) {
+ // this is an exited child with a parent
+ // remove the known time from the parent's data
+ pp->fix_cminflt += p->last_minflt + p->last_cminflt + p->last_fix_cminflt;
+ pp->fix_cmajflt += p->last_majflt + p->last_cmajflt + p->last_fix_cmajflt;
+ pp->fix_cutime += p->last_utime + p->last_cutime + p->last_fix_cutime;
+ pp->fix_cstime += p->last_stime + p->last_cstime + p->last_fix_cstime;
+
+ // The known exited children (the ones we track) may have
+ // contributed more than the value accumulated into the process
+ // by the kernel.
+ // This can happen if the parent process has not waited-for
+ // its children (check: man 2 times).
+ // In this case, the kernel adds these resources to init (pid 1).
+ //
+ // The following code, attempts to fix this.
+ // Without this code, the charts will have random spikes
+ // for example, when an SSH session ends (sshd forks a child
+ // to serve the session, but when this session ends, sshd
+ // does not wait-for its child, thus all the resources of the
+ // ssh session get added to init, resulting in a huge spike on
+ // the charts).
+
+ if(unlikely(pp->cminflt < pp->fix_cminflt)) {
+ if(likely(init && pp != init)) {
+ unsigned long long have = pp->fix_cminflt - pp->cminflt;
+ unsigned long long max = init->cminflt - init->fix_cminflt;
+ if(have > max) have = max;
+ init->fix_cminflt += have;
+ }
+ pp->fix_cminflt = pp->cminflt;
+ }
+ if(unlikely(pp->cmajflt < pp->fix_cmajflt)) {
+ if(likely(init && pp != init)) {
+ unsigned long long have = pp->fix_cmajflt - pp->cmajflt;
+ unsigned long long max = init->cmajflt - init->fix_cmajflt;
+ if(have > max) have = max;
+ init->fix_cmajflt += have;
+ }
+ pp->fix_cmajflt = pp->cmajflt;
+ }
+ if(unlikely(pp->cutime < pp->fix_cutime)) {
+ if(likely(init && pp != init)) {
+ unsigned long long have = pp->fix_cutime - pp->cutime;
+ unsigned long long max = init->cutime - init->fix_cutime;
+ if(have > max) have = max;
+ init->fix_cutime += have;
+ }
+ pp->fix_cutime = pp->cutime;
+ }
+ if(unlikely(pp->cstime < pp->fix_cstime)) {
+ if(likely(init && pp != init)) {
+ unsigned long long have = pp->fix_cstime - pp->cstime;
+ unsigned long long max = init->cstime - init->fix_cstime;
+ if(have > max) have = max;
+ init->fix_cstime += have;
+ }
+ pp->fix_cstime = pp->cstime;
+ }
- p->parent = all_pids[p->ppid];
- p->parent->childs++;
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: \tupdating child metrics of %d (%s, %s) to its parent %d (%s, %s). Parent has now: utime=%llu, stime=%llu, minflt=%llu, majflt=%llu, cutime=%llu, cstime=%llu, cminflt=%llu, cmajflt=%llu, fix_cutime=%llu, fix_cstime=%llu, fix_cminflt=%llu, fix_cmajflt=%llu\n", p->pid, p->comm, p->updated?"running":"exited", pp->pid, pp->comm, pp->updated?"running":"exited", pp->utime, pp->stime, pp->minflt, pp->majflt, pp->cutime, pp->cstime, pp->cminflt, pp->cmajflt, pp->fix_cutime, pp->fix_cstime, pp->fix_cminflt, pp->fix_cmajflt);
+ }
+ }
}
- else if(p->ppid != 0) error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
+ else if(unlikely(p->ppid != 0))
+ error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
}
+}
+
+
+void cleanup_non_existing_pids(void) {
+ int c;
+ struct pid_stat *p = NULL;
+
+ for(p = root_of_pids; p ;) {
+ if(!p->updated) {
+// fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, cutime=%llu, cstime=%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->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+
+ for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
+ file_descriptor_not_used(p->fds[c]);
+ p->fds[c] = 0;
+ }
+
+ pid_t r = p->pid;
+ p = p->next;
+ del_pid_entry(r);
+ }
+ else p = p->next;
+ }
+}
+
+void apply_apps_groups_targets_inheritance(void) {
+ struct pid_stat *p = NULL;
+
+ // children that do not have a target
+ // inherit their target from their parent
+ int found = 1, loops = 0;
+ while(found) {
+ if(unlikely(debug)) loops++;
+ found = 0;
+ for(p = root_of_pids; p ; p = p->next) {
+ // if this process does not have a target
+ // and it has a parent
+ // and its parent has a target
+ // then, set the parent's target to this process
+ if(unlikely(!p->target && p->parent && p->parent->target)) {
+ p->target = p->parent->target;
+ found++;
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
+ }
+ }
+ }
+
// find all the procs with 0 childs and merge them to their parents
// repeat, until nothing more can be done.
- int found = 1;
+ found = 1;
while(found) {
+ if(unlikely(debug)) loops++;
found = 0;
for(p = root_of_pids; p ; p = p->next) {
- // if this process does not have any childs, and
- // is not already merged, and
- // its parent has childs waiting to be merged, and
- // the target of this process and its parent is the same, or the parent does not have a target, or this process does not have a parent
+ // if this process does not have any children
+ // and is not already merged
+ // and has a parent
+ // and its parent has children
+ // and the target of this process and its parent is the same, or the parent does not have a target
// and its parent is not init
- // then... merge them!
- if(!p->childs && !p->merged && p->parent && p->parent->childs && (p->target == p->parent->target || !p->parent->target || !p->target) && p->ppid != 1) {
- p->parent->childs--;
+ // then, mark them as merged.
+ if(unlikely(
+ !p->children_count
+ && !p->merged
+ && p->parent
+ && p->parent->children_count
+ && (p->target == p->parent->target || !p->parent->target)
+ && p->ppid != 1
+ )) {
+ p->parent->children_count--;
p->merged = 1;
// the parent inherits the child's target, if it does not have a target itself
- if(p->target && !p->parent->target) {
+ if(unlikely(p->target && !p->parent->target)) {
p->parent->target = p->target;
- if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\ttarget %s is inherited by %d %s from its child %d %s.\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
+
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
}
found++;
}
}
- if(debug) fprintf(stderr, "apps.plugin: merged %d processes\n", found);
+
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: merged %d processes\n", found);
}
- // give a default target on all top level processes
// init goes always to default target
- if(all_pids[1]) all_pids[1]->target = default_target;
+ if(all_pids[1])
+ all_pids[1]->target = apps_groups_default_target;
+ // give a default target on all top level processes
+ if(unlikely(debug)) loops++;
for(p = root_of_pids; p ; p = p->next) {
// if the process is not merged itself
// then is is a top level process
- if(!p->merged && !p->target) p->target = default_target;
-
-#ifdef INCLUDE_CHILDS
- // by the way, update the diffs
- // will be used later for substracting killed process times
- p->diff_cutime = p->utime - p->cutime;
- p->diff_cstime = p->stime - p->cstime;
- p->diff_cminflt = p->minflt - p->cminflt;
- p->diff_cmajflt = p->majflt - p->cmajflt;
-#endif
+ if(!p->merged && !p->target)
+ p->target = apps_groups_default_target;
}
// give a target to all merged child processes
found = 1;
while(found) {
+ if(unlikely(debug)) loops++;
found = 0;
for(p = root_of_pids; p ; p = p->next) {
- if(!p->target && p->merged && p->parent && p->parent->target) {
+ if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) {
p->target = p->parent->target;
found++;
- }
- }
- }
-#ifdef INCLUDE_CHILDS
- // for each killed process, remove its values from the parents
- // sums (we had already added them in a previous loop)
- for(p = root_of_pids; p ; p = p->next) {
- if(p->updated) continue;
-
- if(debug) fprintf(stderr, "apps.plugin: UNMERGING %d %s\n", p->pid, p->comm);
-
- unsigned long long diff_utime = p->utime + p->cutime + p->fix_cutime;
- unsigned long long diff_stime = p->stime + p->cstime + p->fix_cstime;
- unsigned long long diff_minflt = p->minflt + p->cminflt + p->fix_cminflt;
- unsigned long long diff_majflt = p->majflt + p->cmajflt + p->fix_cmajflt;
-
- struct pid_stat *t = p;
- while((t = t->parent)) {
- if(!t->updated) continue;
-
- unsigned long long x;
- if(diff_utime && t->diff_cutime) {
- x = (t->diff_cutime < diff_utime)?t->diff_cutime:diff_utime;
- diff_utime -= x;
- t->diff_cutime -= x;
- t->fix_cutime += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cutime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
- }
- if(diff_stime && t->diff_cstime) {
- x = (t->diff_cstime < diff_stime)?t->diff_cstime:diff_stime;
- diff_stime -= x;
- t->diff_cstime -= x;
- t->fix_cstime += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cstime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
- }
- if(diff_minflt && t->diff_cminflt) {
- x = (t->diff_cminflt < diff_minflt)?t->diff_cminflt:diff_minflt;
- diff_minflt -= x;
- t->diff_cminflt -= x;
- t->fix_cminflt += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cminflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
- }
- if(diff_majflt && t->diff_cmajflt) {
- x = (t->diff_cmajflt < diff_majflt)?t->diff_cmajflt:diff_majflt;
- diff_majflt -= x;
- t->diff_cmajflt -= x;
- t->fix_cmajflt += x;
- if(debug) fprintf(stderr, "apps.plugin: \t cmajflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
+ if(debug || (p->target && p->target->debug))
+ fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
}
}
-
- if(diff_utime) error("Cannot fix up utime %llu", diff_utime);
- if(diff_stime) error("Cannot fix up stime %llu", diff_stime);
- if(diff_minflt) error("Cannot fix up minflt %llu", diff_minflt);
- if(diff_majflt) error("Cannot fix up majflt %llu", diff_majflt);
}
-#endif
- // zero all the targets
- targets = 0;
+ if(unlikely(debug))
+ 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) {
struct target *w;
- for (w = target_root; w ; w = w->next) {
- targets++;
+ long count = 0;
- w->fds = calloc(sizeof(int), (size_t) all_files_size);
- if(!w->fds)
- error("Cannot allocate memory for fds in %s", w->name);
+ for (w = root; w ; w = w->next) {
+ count++;
+
+ if(w->fds) free(w->fds);
+ w->fds = NULL;
w->minflt = 0;
w->majflt = 0;
w->io_cancelled_write_bytes = 0;
}
-#ifdef INCLUDE_CHILDS
- if(debug) walk_down(0, 1);
-#endif
+ return count;
+}
- // concentrate everything on the targets
- for(p = root_of_pids; p ; p = p->next) {
- if(!p->target) {
- error("pid %d %s was left without a target!", p->pid, p->comm);
- continue;
- }
+void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
+ if(unlikely(!w->fds)) {
+ w->fds = calloc(sizeof(int), (size_t) all_files_size);
+ if(unlikely(!w->fds))
+ error("Cannot allocate memory for fds in %s", w->name);
+ }
+
+ if(likely(p->updated)) {
+ if(unlikely(debug && (p->fix_cutime || p->fix_cstime || p->fix_cminflt || p->fix_cmajflt)))
+ fprintf(stderr, "apps.plugin: \tadding child counters of %d (%s) to target %s. Currents: cutime=%llu, cstime=%llu, cminflt=%llu, cmajflt=%llu, Fixes: cutime=%llu, cstime=%llu, cminflt=%llu, cmajflt=%llu\n", p->pid, p->comm, w->name, p->cutime, p->cstime, p->cminflt, p->cmajflt, p->fix_cutime, p->fix_cstime, p->fix_cminflt, p->fix_cmajflt);
- if(p->updated) {
- p->target->cutime += p->cutime; // - p->fix_cutime;
- p->target->cstime += p->cstime; // - p->fix_cstime;
- p->target->cminflt += p->cminflt; // - p->fix_cminflt;
- p->target->cmajflt += p->cmajflt; // - p->fix_cmajflt;
+ w->cutime += p->cutime - p->fix_cutime;
+ w->cstime += p->cstime - p->fix_cstime;
+ w->cminflt += p->cminflt - p->fix_cminflt;
+ w->cmajflt += p->cmajflt - p->fix_cmajflt;
- p->target->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0;
- p->target->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0;
- p->target->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0;
- p->target->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0;
+ w->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0;
+ w->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0;
+ w->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0;
+ w->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0;
- //if(p->num_threads < 0)
- // error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
+ //if(p->num_threads < 0)
+ // error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
- //if(p->num_threads > 10000)
- // error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
+ //if(p->num_threads > 10000)
+ // error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
- p->target->num_threads += p->num_threads;
- p->target->rss += p->rss;
+ w->num_threads += p->num_threads;
+ w->rss += p->rss;
- p->target->statm_size += p->statm_size;
- p->target->statm_resident += p->statm_resident;
- p->target->statm_share += p->statm_share;
- p->target->statm_text += p->statm_text;
- p->target->statm_lib += p->statm_lib;
- p->target->statm_data += p->statm_data;
- p->target->statm_dirty += p->statm_dirty;
+ 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;
- p->target->io_logical_bytes_read += p->io_logical_bytes_read;
- p->target->io_logical_bytes_written += p->io_logical_bytes_written;
- p->target->io_read_calls += p->io_read_calls;
- p->target->io_write_calls += p->io_write_calls;
- p->target->io_storage_bytes_read += p->io_storage_bytes_read;
- p->target->io_storage_bytes_written += p->io_storage_bytes_written;
- p->target->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+ 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;
- p->target->processes++;
+ w->processes++;
+ if(likely(w->fds)) {
+ int c;
for(c = 0; c < p->fds_size ;c++) {
if(p->fds[c] == 0) continue;
- if(p->fds[c] < all_files_size) {
- if(p->target->fds) p->target->fds[p->fds[c]]++;
+
+ if(likely(p->fds[c] < all_files_size)) {
+ if(w->fds) w->fds[p->fds[c]]++;
}
else
error("Invalid fd number %d", p->fds[c]);
}
+ }
- if(debug || p->target->debug) fprintf(stderr, "apps.plugin: \tAgregating %s pid %d on %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu\n", p->comm, p->pid, p->target->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
-
-/* if(p->utime - p->old_utime > 100) fprintf(stderr, "BIG CHANGE: %d %s utime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->utime - p->old_utime, p->old_utime, p->utime);
- if(p->cutime - p->old_cutime > 100) fprintf(stderr, "BIG CHANGE: %d %s cutime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cutime - p->old_cutime, p->old_cutime, p->cutime);
- if(p->stime - p->old_stime > 100) fprintf(stderr, "BIG CHANGE: %d %s stime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->stime - p->old_stime, p->old_stime, p->stime);
- if(p->cstime - p->old_cstime > 100) fprintf(stderr, "BIG CHANGE: %d %s cstime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cstime - p->old_cstime, p->old_cstime, p->cstime);
- if(p->minflt - p->old_minflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s minflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->minflt - p->old_minflt, p->old_minflt, p->minflt);
- if(p->majflt - p->old_majflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s majflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->majflt - p->old_majflt, p->old_majflt, p->majflt);
- if(p->cminflt - p->old_cminflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cminflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cminflt - p->old_cminflt, p->old_cminflt, p->cminflt);
- if(p->cmajflt - p->old_cmajflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cmajflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cmajflt - p->old_cmajflt, p->old_cmajflt, p->cmajflt);
+ if(unlikely(debug || w->debug))
+ fprintf(stderr, "apps.plugin: \tAggregating %s pid %d on %s utime=%llu, stime=%llu, cutime=%llu, cstime=%llu, minflt=%llu, majflt=%llu, cminflt=%llu, cmajflt=%llu, fix_cutime=%llu, fix_cstime=%llu, fix_cminflt=%llu, fix_cmajflt=%llu\n", p->comm, p->pid, w->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->fix_cutime, p->fix_cstime, p->fix_cminflt, p->fix_cmajflt);
+
+/* if(p->utime - p->old_utime > 100) fprintf(stderr, "BIG CHANGE: %d %s utime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->utime - p->old_utime, p->old_utime, p->utime);
+ if(p->cutime - p->old_cutime > 100) fprintf(stderr, "BIG CHANGE: %d %s cutime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cutime - p->old_cutime, p->old_cutime, p->cutime);
+ if(p->stime - p->old_stime > 100) fprintf(stderr, "BIG CHANGE: %d %s stime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->stime - p->old_stime, p->old_stime, p->stime);
+ if(p->cstime - p->old_cstime > 100) fprintf(stderr, "BIG CHANGE: %d %s cstime increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cstime - p->old_cstime, p->old_cstime, p->cstime);
+ if(p->minflt - p->old_minflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s minflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->minflt - p->old_minflt, p->old_minflt, p->minflt);
+ if(p->majflt - p->old_majflt > 5000) fprintf(stderr, "BIG CHANGE: %d %s majflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->majflt - p->old_majflt, p->old_majflt, p->majflt);
+ if(p->cminflt - p->old_cminflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cminflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cminflt - p->old_cminflt, p->old_cminflt, p->cminflt);
+ if(p->cmajflt - p->old_cmajflt > 15000) fprintf(stderr, "BIG CHANGE: %d %s cmajflt increased by %llu from %llu to %llu\n", p->pid, p->comm, p->cmajflt - p->old_cmajflt, p->old_cmajflt, p->cmajflt);
*/
-#ifdef INCLUDE_CHILDS
- p->old_utime = p->utime;
- p->old_cutime = p->cutime;
- p->old_stime = p->stime;
- p->old_cstime = p->cstime;
- p->old_minflt = p->minflt;
- p->old_majflt = p->majflt;
- p->old_cminflt = p->cminflt;
- p->old_cmajflt = p->cmajflt;
-#endif
- }
- else {
- // since the process has exited, the user
- // will see a drop in our charts, because the incremental
- // values of this process will not be there
-
- // add them to the fix_* values and they will be added to
- // the reported values, so that the report goes steady
- p->target->fix_minflt += p->minflt;
- p->target->fix_majflt += p->majflt;
- p->target->fix_utime += p->utime;
- p->target->fix_stime += p->stime;
- p->target->fix_cminflt += p->cminflt;
- p->target->fix_cmajflt += p->cmajflt;
- p->target->fix_cutime += p->cutime;
- p->target->fix_cstime += p->cstime;
-
- p->target->fix_io_logical_bytes_read += p->io_logical_bytes_read;
- p->target->fix_io_logical_bytes_written += p->io_logical_bytes_written;
- p->target->fix_io_read_calls += p->io_read_calls;
- p->target->fix_io_write_calls += p->io_write_calls;
- p->target->fix_io_storage_bytes_read += p->io_storage_bytes_read;
- p->target->fix_io_storage_bytes_written += p->io_storage_bytes_written;
- p->target->fix_io_cancelled_write_bytes += p->io_cancelled_write_bytes;
+
+ if(o) {
+ // since the process switched target
+ // for all incremental values
+ // we have to subtract its OLD values from the new target
+ // and add its OLD values to the old target
+
+ // IMPORTANT
+ // We add/subtract the last/OLD values we added to the target
+
+ unsigned long long cutime = p->last_cutime - p->last_fix_cutime;
+ unsigned long long cstime = p->last_cstime - p->last_fix_cstime;
+ unsigned long long cminflt = p->last_cminflt - p->last_fix_cminflt;
+ unsigned long long cmajflt = p->last_cmajflt - p->last_fix_cmajflt;
+
+ w->fix_cutime -= cutime;
+ w->fix_cstime -= cstime;
+ w->fix_cminflt -= cminflt;
+ w->fix_cmajflt -= cmajflt;
+
+ w->fix_utime -= p->last_utime;
+ w->fix_stime -= p->last_stime;
+ w->fix_minflt -= p->last_minflt;
+ w->fix_majflt -= p->last_majflt;
+
+ w->fix_io_logical_bytes_read -= p->last_io_logical_bytes_read;
+ w->fix_io_logical_bytes_written -= p->last_io_logical_bytes_written;
+ w->fix_io_read_calls -= p->last_io_read_calls;
+ w->fix_io_write_calls -= p->last_io_write_calls;
+ w->fix_io_storage_bytes_read -= p->last_io_storage_bytes_read;
+ w->fix_io_storage_bytes_written -= p->last_io_storage_bytes_written;
+ w->fix_io_cancelled_write_bytes -= p->last_io_cancelled_write_bytes;
+
+ // ---
+
+ o->fix_cutime += cutime;
+ o->fix_cstime += cstime;
+ o->fix_cminflt += cminflt;
+ o->fix_cmajflt += cmajflt;
+
+ o->fix_utime += p->last_utime;
+ o->fix_stime += p->last_stime;
+ o->fix_minflt += p->last_minflt;
+ o->fix_majflt += p->last_majflt;
+
+ o->fix_io_logical_bytes_read += p->last_io_logical_bytes_read;
+ o->fix_io_logical_bytes_written += p->last_io_logical_bytes_written;
+ o->fix_io_read_calls += p->last_io_read_calls;
+ o->fix_io_write_calls += p->last_io_write_calls;
+ o->fix_io_storage_bytes_read += p->last_io_storage_bytes_read;
+ o->fix_io_storage_bytes_written += p->last_io_storage_bytes_written;
+ o->fix_io_cancelled_write_bytes += p->last_io_cancelled_write_bytes;
}
}
+ else {
+ // if(o) fprintf(stderr, "apps.plugin: \t\tpid %d (%s) is not updated by OLD target %s (%s) is present.\n", p->pid, p->comm, o->id, o->name);
-// fprintf(stderr, "\n");
- // cleanup all un-updated processed (exited, killed, etc)
- for(p = root_of_pids; p ;) {
- if(!p->updated) {
-// fprintf(stderr, "\tEXITED %d %s [parent %d %s, target %s] utime=%llu, stime=%llu, cutime=%llu, cstime=%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->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
+ // since the process has exited, the user
+ // will see a drop in our charts, because the incremental
+ // values of this process will not be there from now on
- for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
- file_descriptor_not_used(p->fds[c]);
- p->fds[c] = 0;
- }
+ // add them to the fix_* values and they will be added to
+ // the reported values, so that the report goes steady
- pid_t r = p->pid;
- p = p->next;
- del_pid_entry(r);
- }
- else p = p->next;
+ w->fix_minflt += p->last_minflt;
+ w->fix_majflt += p->last_majflt;
+ w->fix_utime += p->last_utime;
+ w->fix_stime += p->last_stime;
+
+ w->fix_cminflt += (p->last_cminflt - p->last_fix_cminflt);
+ w->fix_cmajflt += (p->last_cmajflt - p->last_fix_cmajflt);
+ w->fix_cutime += (p->last_cutime - p->last_fix_cutime);
+ w->fix_cstime += (p->last_cstime - p->last_fix_cstime);
+
+ w->fix_io_logical_bytes_read += p->last_io_logical_bytes_read;
+ w->fix_io_logical_bytes_written += p->last_io_logical_bytes_written;
+ w->fix_io_read_calls += p->last_io_read_calls;
+ w->fix_io_write_calls += p->last_io_write_calls;
+ w->fix_io_storage_bytes_read += p->last_io_storage_bytes_read;
+ w->fix_io_storage_bytes_written += p->last_io_storage_bytes_written;
+ w->fix_io_cancelled_write_bytes += p->last_io_cancelled_write_bytes;
}
- for (w = target_root; w ; w = w->next) {
+ //if((long long)w->cutime + w->fix_cutime < 0)
+ // error("Negative total cutime (%llu - %lld) on target %s after adding process %d (%s, %s) with utime=%llu, stime=%llu, minflt=%llu, majflt=%llu, cutime=%llu, cstime=%llu, cminflt=%llu, cmajflt=%llu, fix_cutime=%llu, fix_cstime=%llu, fix_cminflt=%llu, fix_cmajflt=%llu\n",
+ // w->cutime, w->fix_cutime, w->name, p->pid, p->comm, p->updated?"running":"exited", p->utime, p->stime, p->minflt, p->majflt, p->cutime, p->cstime, p->cminflt, p->cmajflt, p->fix_cutime, p->fix_cstime, p->fix_cminflt, p->fix_cmajflt);
+}
+
+void count_targets_fds(struct target *root) {
+ int c;
+ struct target *w;
+
+ for (w = root; w ; w = w->next) {
+ if(!w->fds) continue;
+
w->openfiles = 0;
w->openpipes = 0;
w->opensockets = 0;
w->openother = 0;
for(c = 1; c < all_files_size ;c++) {
- if(w->fds && w->fds[c] > 0) switch(all_files[c].type) {
+ if(w->fds[c] > 0)
+ switch(all_files[c].type) {
case FILETYPE_FILE:
w->openfiles++;
break;
}
}
+void calculate_netdata_statistics(void)
+{
+ link_all_processes_to_their_parents();
+ 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);
+
+ // 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
+ 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);
+
+
+ // --------------------------------------------------------------------
+ // user targets
+ o = p->user_target;
+ if(likely(p->user_target && p->user_target->uid == p->uid))
+ w = p->user_target;
+ else {
+ if(unlikely(debug && p->user_target))
+ fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %u (%s) to %u.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid);
+
+ 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);
+
+
+ // --------------------------------------------------------------------
+ // group targets
+ o = p->group_target;
+ if(likely(p->group_target && p->group_target->gid == p->gid))
+ w = p->group_target;
+ else {
+ if(unlikely(debug && p->group_target))
+ fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %u (%s) to %u.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid);
+
+ 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);
+
+ }
+
+ count_targets_fds(apps_groups_root_target);
+ count_targets_fds(users_root_target);
+ count_targets_fds(groups_root_target);
+
+ cleanup_non_existing_pids();
+}
+
// ----------------------------------------------------------------------------
// update chart dimensions
-void show_dimensions(void)
-{
+unsigned long long send_resource_usage_to_netdata() {
static struct timeval last = { 0, 0 };
static struct rusage me_last;
- struct target *w;
struct timeval now;
struct rusage me;
bcopy(&me, &me_last, sizeof(struct rusage));
}
- fprintf(stdout, "BEGIN apps.cpu %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec);
+ fprintf(stdout, "SET user = %llu\n", cpuuser);
+ fprintf(stdout, "SET system = %llu\n", cpusyst);
+ fprintf(stdout, "END\n");
+
+ fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec);
+ fprintf(stdout, "SET files = %llu\n", file_counter);
+ fprintf(stdout, "SET pids = %ld\n", all_pids_count);
+ fprintf(stdout, "SET fds = %d\n", all_files_len);
+ fprintf(stdout, "SET targets = %ld\n", apps_groups_targets);
+ fprintf(stdout, "END\n");
+
+ return usec;
+}
+
+void send_collected_data_to_netdata(struct target *root, const char *type, unsigned long long usec)
+{
+ struct target *w;
+
+ fprintf(stdout, "BEGIN %s.cpu %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->stime + w->fix_utime + w->fix_stime);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->stime + w->fix_utime + w->fix_stime + (include_exited_childs?(w->cutime + w->cstime + w->fix_cutime + w->fix_cstime):0));
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.cpu_user %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.cpu_user %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->fix_utime);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->fix_utime + (include_exited_childs?(w->cutime + w->fix_cutime):0));
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.cpu_system %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.cpu_system %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->stime + w->fix_stime);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->stime + w->fix_stime + (include_exited_childs?(w->cstime + w->fix_cstime):0));
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.threads %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.threads %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->num_threads);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.processes %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.processes %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %lu\n", w->name, w->processes);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.mem %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.mem %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %lld\n", w->name, (long long)w->statm_resident - (long long)w->statm_share);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.minor_faults %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.minor_faults %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->minflt + w->fix_minflt);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->minflt + w->fix_minflt + (include_exited_childs?(w->cminflt + w->fix_cminflt):0));
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.major_faults %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.major_faults %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->majflt + w->fix_majflt);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->majflt + w->fix_majflt + (include_exited_childs?(w->cmajflt + w->fix_cmajflt):0));
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.lreads %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.lreads %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read + w->fix_io_logical_bytes_read);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.lwrites %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.lwrites %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written + w->fix_io_logical_bytes_written);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.preads %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.preads %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read + w->fix_io_storage_bytes_read);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.pwrites %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.pwrites %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written);
+ fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written + w->fix_io_storage_bytes_written);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.files %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.files %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->openfiles);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.sockets %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.sockets %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->opensockets);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN apps.pipes %llu\n", usec);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "BEGIN %s.pipes %llu\n", type, usec);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "SET %s = %llu\n", w->name, w->openpipes);
}
fprintf(stdout, "END\n");
- fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec);
- fprintf(stdout, "SET user = %llu\n", cpuuser);
- fprintf(stdout, "SET system = %llu\n", cpusyst);
- fprintf(stdout, "END\n");
-
- fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec);
- fprintf(stdout, "SET files = %llu\n", file_counter);
- fprintf(stdout, "SET pids = %ld\n", all_pids_count);
- fprintf(stdout, "SET fds = %d\n", all_files_len);
- fprintf(stdout, "SET targets = %ld\n", targets);
- fprintf(stdout, "END\n");
-
fflush(stdout);
}
// ----------------------------------------------------------------------------
// generate the charts
-void show_charts(void)
+void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
{
struct target *w;
int newly_added = 0;
- for(w = target_root ; w ; w = w->next)
+ for(w = root ; w ; w = w->next)
if(!w->exposed && w->processes) {
newly_added++;
w->exposed = 1;
// we have something new to show
// update the charts
- fprintf(stdout, "CHART apps.cpu '' 'Apps CPU Time (%ld%% = %ld core%s)' 'cpu time %%' cpu apps.cpu stacked 20001 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu %s\n", w->name, Hertz, w->hidden ? "hidden,noreset" : "noreset");
+ fprintf(stdout, "DIMENSION %s '' incremental 100 %u %s\n", w->name, hz, w->hidden ? "hidden,noreset" : "noreset");
}
- fprintf(stdout, "CHART apps.mem '' 'Apps Dedicated Memory (w/o shared)' 'MB' mem apps.mem stacked 20003 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ fprintf(stdout, "CHART %s.mem '' '%s Dedicated Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
+ for (w = root; w ; w = w->next) {
if(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute %ld %ld noreset\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
}
- fprintf(stdout, "CHART apps.threads '' 'Apps Threads' 'threads' processes apps.threads stacked 20005 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.processes '' 'Apps Processes' 'processes' processes apps.processes stacked 20004 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.cpu_user '' 'Apps CPU User Time (%ld%% = %ld core%s)' 'cpu time %%' cpu apps.cpu_user stacked 20020 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
+ fprintf(stdout, "DIMENSION %s '' incremental 100 %u noreset\n", w->name, hz);
}
- fprintf(stdout, "CHART apps.cpu_system '' 'Apps CPU System Time (%ld%% = %ld core%s)' 'cpu time %%' cpu apps.cpu_system stacked 20021 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
- fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
+ fprintf(stdout, "DIMENSION %s '' incremental 100 %u noreset\n", w->name, hz);
}
- fprintf(stdout, "CHART apps.major_faults '' 'Apps Major Page Faults (swap read)' 'page faults/s' swap apps.major_faults stacked 20010 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.minor_faults '' 'Apps Minor Page Faults' 'page faults/s' mem apps.minor_faults stacked 20011 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.lreads '' 'Apps Disk Logical Reads' 'kilobytes/s' disk apps.lreads stacked 20042 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.lwrites '' 'Apps I/O Logical Writes' 'kilobytes/s' disk apps.lwrites stacked 20042 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.preads '' 'Apps Disk Reads' 'kilobytes/s' disk apps.preads stacked 20002 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.pwrites '' 'Apps Disk Writes' 'kilobytes/s' disk apps.pwrites stacked 20002 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
}
- fprintf(stdout, "CHART apps.files '' 'Apps Open Files' 'open files' disk apps.files stacked 20050 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.sockets '' 'Apps Open Sockets' 'open sockets' net apps.sockets stacked 20051 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
- fprintf(stdout, "CHART apps.pipes '' 'Apps Pipes' 'open pipes' processes apps.pipes stacked 20053 %d\n", update_every);
- for (w = target_root; w ; w = w->next) {
+ 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(w->target || (!w->processes && !w->exposed)) continue;
fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
}
-
- fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %d\n", update_every);
- fprintf(stdout, "DIMENSION user '' incremental 1 %d\n", 1000);
- fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000);
-
- fprintf(stdout, "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %d\n", update_every);
- fprintf(stdout, "DIMENSION files '' incremental 1 1\n");
- fprintf(stdout, "DIMENSION pids '' absolute 1 1\n");
- fprintf(stdout, "DIMENSION fds '' absolute 1 1\n");
- fprintf(stdout, "DIMENSION targets '' absolute 1 1\n");
-
- fflush(stdout);
}
continue;
}
+ if(strcmp("no-childs", argv[i]) == 0) {
+ include_exited_childs = 0;
+ continue;
+ }
+
+ if(strcmp("with-childs", argv[i]) == 0) {
+ include_exited_childs = 1;
+ continue;
+ }
+
if(!name) {
name = argv[i];
continue;
if(freq > 0) update_every = freq;
if(!name) name = "groups";
- if(read_process_groups(name)) {
+ if(read_apps_groups_conf(name)) {
error("Cannot read process groups %s", name);
exit(1);
}
// set the name for logging
program_name = "apps.plugin";
+ // disable syslog for apps.plugin
+ error_log_syslog = 0;
+
+ // set errors flood protection to 100 logs per hour
+ error_log_errors_per_period = 100;
+ error_log_throttle_period = 3600;
+
host_prefix = getenv("NETDATA_HOST_PREFIX");
if(host_prefix == NULL) {
info("NETDATA_HOST_PREFIX is not passed from netdata");
}
else info("Found NETDATA_HOST_PREFIX='%s'", host_prefix);
- info("starting...");
+ config_dir = getenv("NETDATA_CONFIG_DIR");
+ if(config_dir == NULL) {
+ info("NETDATA_CONFIG_DIR is not passed from netdata");
+ config_dir = CONFIG_DIR;
+ }
+ else info("Found NETDATA_CONFIG_DIR='%s'", config_dir);
+
+#ifdef NETDATA_INTERNAL_CHECKS
+ if(debug_flags != 0) {
+ struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
+ if(setrlimit(RLIMIT_CORE, &rl) != 0)
+ info("Cannot request unlimited core dumps for debugging... Proceeding anyway...");
+ prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
+ }
+#endif /* NETDATA_INTERNAL_CHECKS */
procfile_adaptive_initial_allocation = 1;
time_t started_t = time(NULL);
time_t current_t;
- Hertz = get_hertz();
- pid_max = get_pid_max();
- processors = get_processors();
+ get_HZ();
+ pid_max = get_system_pid_max();
+ processors = get_system_cpus();
parse_args(argc, argv);
exit(1);
}
- unsigned long long counter = 1;
- unsigned long long usec = 0, susec = 0;
- struct timeval last, now;
- gettimeofday(&last, NULL);
+ fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %1$d\n"
+ "DIMENSION user '' incremental 1 1000\n"
+ "DIMENSION system '' incremental 1 1000\n"
+ "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %1$d\n"
+ "DIMENSION files '' incremental 1 1\n"
+ "DIMENSION pids '' absolute 1 1\n"
+ "DIMENSION fds '' absolute 1 1\n"
+ "DIMENSION targets '' absolute 1 1\n", update_every);
+
+#ifndef PROFILING_MODE
+ unsigned long long sunext = (time(NULL) - (time(NULL) % update_every) + update_every) * 1000000ULL;
+ unsigned long long sunow;
+#endif /* PROFILING_MODE */
+ unsigned long long counter = 1;
for(;1; counter++) {
- if(!update_from_proc()) {
- error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
+#ifndef PROFILING_MODE
+ // delay until it is our time to run
+ while((sunow = timems()) < sunext)
+ usecsleep(sunext - sunow);
+
+ // find the next time we need to run
+ while(timems() > sunext)
+ sunext += update_every * 1000000ULL;
+#endif /* PROFILING_MODE */
+
+ if(!collect_data_for_all_processes_from_proc()) {
+ error("Cannot collect /proc data for running processes. Disabling apps.plugin...");
printf("DISABLE\n");
exit(1);
}
- update_statistics();
- show_charts(); // this is smart enough to show only newly added apps, when needed
- show_dimensions();
+ calculate_netdata_statistics();
- if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
- fflush(NULL);
+ unsigned long long dt = send_resource_usage_to_netdata();
- gettimeofday(&now, NULL);
- usec = usecdiff(&now, &last) - susec;
- if(debug) fprintf(stderr, "apps.plugin: last loop took %llu usec (worked for %llu, sleeped for %llu).\n", usec + susec, usec, susec);
+ // this is smart enough to show only newly added apps, when needed
+ send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps");
+ send_charts_updates_to_netdata(users_root_target, "users", "Users");
+ send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups");
- // if the last loop took less than half the time
- // wait the rest of the time
- if(usec < (update_every * 1000000ULL / 2)) susec = (update_every * 1000000ULL) - usec;
- else susec = update_every * 1000000ULL / 2;
+ send_collected_data_to_netdata(apps_groups_root_target, "apps", dt);
+ send_collected_data_to_netdata(users_root_target, "users", dt);
+ send_collected_data_to_netdata(groups_root_target, "groups", dt);
- usleep((useconds_t) susec);
- bcopy(&now, &last, sizeof(struct timeval));
+ if(unlikely(debug))
+ fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
- // restart once per day (14400 seconds)
current_t = time(NULL);
+
+#ifndef PROFILING_MODE
+ // restart check (14400 seconds)
if(current_t - started_t > 14400) exit(0);
+#else
+ if(current_t - started_t > 10) exit(0);
+#endif /* PROFILING_MODE */
}
}
projects / netdata.git / blobdiff