3 // 1. disable RESET_OR_OVERFLOW check in charts
13 #include <sys/types.h>
18 #include <sys/resource.h>
29 #include <arpa/inet.h>
31 #include <sys/types.h>
40 #include "../config.h"
42 #define MAX_COMPARE_NAME 100
44 #define MAX_CMDLINE 1024
51 unsigned long long file_counter = 0;
52 int proc_pid_cmdline_is_needed = 0;
54 char *host_prefix = "";
55 char *config_dir = CONFIG_DIR;
57 #ifdef NETDATA_INTERNAL_CHECKS
58 // ----------------------------------------------------------------------------
60 // do not use in production systems - it mis-aligns allocated memory
66 } allocations = { 0, 0, 0 };
68 #define MALLOC_MARK (uint32_t)(0x0BADCAFE)
69 #define MALLOC_PREFIX (sizeof(uint32_t) * 2)
70 #define MALLOC_SUFFIX (sizeof(uint32_t))
71 #define MALLOC_OVERHEAD (MALLOC_PREFIX + MALLOC_SUFFIX)
73 void *mark_allocation(void *allocated_ptr, size_t size_without_overheads) {
74 uint32_t *real_ptr = (uint32_t *)allocated_ptr;
75 real_ptr[0] = MALLOC_MARK;
76 real_ptr[1] = (uint32_t) size_without_overheads;
78 uint32_t *end_ptr = (uint32_t *)(allocated_ptr + MALLOC_PREFIX + size_without_overheads);
79 end_ptr[0] = MALLOC_MARK;
81 // fprintf(stderr, "MEMORY_POINTER: Allocated at %p, returning %p.\n", allocated_ptr, (void *)(allocated_ptr + MALLOC_PREFIX));
83 return allocated_ptr + MALLOC_PREFIX;
86 void *check_allocation(const char *file, int line, const char *function, void *marked_ptr, size_t *size_without_overheads_ptr) {
87 uint32_t *real_ptr = (uint32_t *)(marked_ptr - MALLOC_PREFIX);
89 // 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);
91 if(real_ptr[0] != MALLOC_MARK) fatal("MEMORY: prefix MARK is not valid for %s/%u@%s.", function, line, file);
93 size_t size = real_ptr[1];
95 uint32_t *end_ptr = (uint32_t *)(marked_ptr + size);
96 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);
98 if(size_without_overheads_ptr) *size_without_overheads_ptr = size;
103 void *malloc_debug(const char *file, int line, const char *function, size_t size) {
104 void *ptr = malloc(size + MALLOC_OVERHEAD);
105 if(!ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
107 allocations.allocated += size;
108 allocations.allocations++;
110 debug(D_MEMORY, "MEMORY: Allocated %zu bytes for %s/%u@%s."
111 " Status: allocated %zu in %zu allocs."
113 , function, line, file
114 , allocations.allocated
115 , allocations.allocations
118 if(allocations.allocated > allocations.allocated_max) {
119 debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
120 allocations.allocated_max = allocations.allocated;
124 check_allocation(file, line, function, mark_allocation(ptr, size), &csize);
126 fatal("Invalid size.");
129 return mark_allocation(ptr, size);
132 void *calloc_debug(const char *file, int line, const char *function, size_t nmemb, size_t size) {
133 void *ptr = malloc_debug(file, line, function, (nmemb * size));
134 bzero(ptr, nmemb * size);
138 void free_debug(const char *file, int line, const char *function, void *ptr) {
140 void *real_ptr = check_allocation(file, line, function, ptr, &size);
142 bzero(real_ptr, size + MALLOC_OVERHEAD);
145 allocations.allocated -= size;
146 allocations.allocations--;
148 debug(D_MEMORY, "MEMORY: freed %zu bytes for %s/%u@%s."
149 " Status: allocated %zu in %zu allocs."
151 , function, line, file
152 , allocations.allocated
153 , allocations.allocations
157 void *realloc_debug(const char *file, int line, const char *function, void *ptr, size_t size) {
158 if(!ptr) return malloc_debug(file, line, function, size);
159 if(!size) { free_debug(file, line, function, ptr); return NULL; }
162 void *real_ptr = check_allocation(file, line, function, ptr, &old_size);
164 void *new_ptr = realloc(real_ptr, size + MALLOC_OVERHEAD);
165 if(!new_ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
167 allocations.allocated += size;
168 allocations.allocated -= old_size;
170 debug(D_MEMORY, "MEMORY: Re-allocated from %zu to %zu bytes for %s/%u@%s."
171 " Status: allocated %z in %zu allocs."
173 , function, line, file
174 , allocations.allocated
175 , allocations.allocations
178 if(allocations.allocated > allocations.allocated_max) {
179 debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
180 allocations.allocated_max = allocations.allocated;
183 return mark_allocation(new_ptr, size);
186 char *strdup_debug(const char *file, int line, const char *function, const char *ptr) {
193 char *p = malloc_debug(file, line, function, size);
194 if(!p) fatal("Cannot allocate %zu bytes.", size);
196 memcpy(p, ptr, size);
200 #define malloc(size) malloc_debug(__FILE__, __LINE__, __FUNCTION__, (size))
201 #define calloc(nmemb, size) calloc_debug(__FILE__, __LINE__, __FUNCTION__, (nmemb), (size))
202 #define realloc(ptr, size) realloc_debug(__FILE__, __LINE__, __FUNCTION__, (ptr), (size))
203 #define free(ptr) free_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
208 #define strdup(ptr) strdup_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
210 #endif /* NETDATA_INTERNAL_CHECKS */
212 // ----------------------------------------------------------------------------
214 // to retrieve settings of the system
216 long get_system_cpus(void) {
221 char filename[FILENAME_MAX + 1];
222 snprintf(filename, FILENAME_MAX, "%s/proc/stat", host_prefix);
224 ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
227 ff = procfile_readall(ff);
234 for(i = 0; i < procfile_lines(ff); i++) {
235 if(!procfile_linewords(ff, i)) continue;
237 if(strncmp(procfile_lineword(ff, i, 0), "cpu", 3) == 0) processors++;
240 if(processors < 1) processors = 1;
246 long get_system_pid_max(void) {
250 char filename[FILENAME_MAX + 1];
251 snprintf(filename, FILENAME_MAX, "%s/proc/sys/kernel/pid_max", host_prefix);
252 ff = procfile_open(filename, NULL, PROCFILE_FLAG_DEFAULT);
255 ff = procfile_readall(ff);
261 mpid = atol(procfile_lineword(ff, 0, 0));
262 if(!mpid) mpid = 32768;
268 // ----------------------------------------------------------------------------
270 // target is the structure that process data are aggregated
273 char compare[MAX_COMPARE_NAME + 1];
274 uint32_t comparehash;
277 char id[MAX_NAME + 1];
280 char name[MAX_NAME + 1];
285 unsigned long long minflt;
286 unsigned long long cminflt;
287 unsigned long long majflt;
288 unsigned long long cmajflt;
289 unsigned long long utime;
290 unsigned long long stime;
291 unsigned long long cutime;
292 unsigned long long cstime;
293 unsigned long long num_threads;
294 unsigned long long rss;
296 unsigned long long fix_minflt;
297 unsigned long long fix_cminflt;
298 unsigned long long fix_majflt;
299 unsigned long long fix_cmajflt;
300 unsigned long long fix_utime;
301 unsigned long long fix_stime;
302 unsigned long long fix_cutime;
303 unsigned long long fix_cstime;
305 unsigned long long statm_size;
306 unsigned long long statm_resident;
307 unsigned long long statm_share;
308 unsigned long long statm_text;
309 unsigned long long statm_lib;
310 unsigned long long statm_data;
311 unsigned long long statm_dirty;
313 unsigned long long io_logical_bytes_read;
314 unsigned long long io_logical_bytes_written;
315 unsigned long long io_read_calls;
316 unsigned long long io_write_calls;
317 unsigned long long io_storage_bytes_read;
318 unsigned long long io_storage_bytes_written;
319 unsigned long long io_cancelled_write_bytes;
321 unsigned long long fix_io_logical_bytes_read;
322 unsigned long long fix_io_logical_bytes_written;
323 unsigned long long fix_io_read_calls;
324 unsigned long long fix_io_write_calls;
325 unsigned long long fix_io_storage_bytes_read;
326 unsigned long long fix_io_storage_bytes_written;
327 unsigned long long fix_io_cancelled_write_bytes;
330 unsigned long long openfiles;
331 unsigned long long openpipes;
332 unsigned long long opensockets;
333 unsigned long long openinotifies;
334 unsigned long long openeventfds;
335 unsigned long long opentimerfds;
336 unsigned long long opensignalfds;
337 unsigned long long openeventpolls;
338 unsigned long long openother;
340 unsigned long processes; // how many processes have been merged to this
341 int exposed; // if set, we have sent this to netdata
342 int hidden; // if set, we set the hidden flag on the dimension
345 int starts_with; // if set, the compare string matches only the
346 // beginning of the command
348 struct target *target; // the one that will be reported to netdata
353 // ----------------------------------------------------------------------------
355 // aggregate all processes in groups, to have a limited number of dimensions
357 struct target *apps_groups_root_target = NULL;
358 struct target *apps_groups_default_target = NULL;
359 long apps_groups_targets = 0;
361 struct target *users_root_target = NULL;
362 struct target *groups_root_target = NULL;
364 struct target *get_users_target(uid_t uid)
367 for(w = users_root_target ; w ; w = w->next)
368 if(w->uid == uid) return w;
370 w = calloc(sizeof(struct target), 1);
372 error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
376 snprintf(w->compare, MAX_COMPARE_NAME, "%d", uid);
377 w->comparehash = simple_hash(w->compare);
378 w->comparelen = strlen(w->compare);
380 snprintf(w->id, MAX_NAME, "%d", uid);
381 w->idhash = simple_hash(w->id);
383 struct passwd *pw = getpwuid(uid);
385 snprintf(w->name, MAX_NAME, "%d", uid);
387 snprintf(w->name, MAX_NAME, "%s", pw->pw_name);
389 netdata_fix_chart_name(w->name);
393 w->next = users_root_target;
394 users_root_target = w;
397 fprintf(stderr, "apps.plugin: added uid %d ('%s') target\n", w->uid, w->name);
402 struct target *get_groups_target(gid_t gid)
405 for(w = groups_root_target ; w ; w = w->next)
406 if(w->gid == gid) return w;
408 w = calloc(sizeof(struct target), 1);
410 error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
414 snprintf(w->compare, MAX_COMPARE_NAME, "%d", gid);
415 w->comparehash = simple_hash(w->compare);
416 w->comparelen = strlen(w->compare);
418 snprintf(w->id, MAX_NAME, "%d", gid);
419 w->idhash = simple_hash(w->id);
421 struct group *gr = getgrgid(gid);
423 snprintf(w->name, MAX_NAME, "%d", gid);
425 snprintf(w->name, MAX_NAME, "%s", gr->gr_name);
427 netdata_fix_chart_name(w->name);
431 w->next = groups_root_target;
432 groups_root_target = w;
435 fprintf(stderr, "apps.plugin: added gid %d ('%s') target\n", w->gid, w->name);
440 // find or create a new target
441 // there are targets that are just aggregated to other target (the second argument)
442 struct target *get_apps_groups_target(const char *id, struct target *target)
444 int tdebug = 0, thidden = 0, ends_with = 0;
445 const char *nid = id;
447 while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') {
448 if(nid[0] == '-') thidden = 1;
449 if(nid[0] == '+') tdebug = 1;
450 if(nid[0] == '*') ends_with = 1;
453 uint32_t hash = simple_hash(id);
456 for(w = apps_groups_root_target ; w ; w = w->next) {
457 if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0)
461 w = calloc(sizeof(struct target), 1);
463 error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
467 strncpy(w->id, nid, MAX_NAME);
468 w->idhash = simple_hash(w->id);
470 strncpy(w->name, nid, MAX_NAME);
472 strncpy(w->compare, nid, MAX_COMPARE_NAME);
473 int len = strlen(w->compare);
474 if(w->compare[len - 1] == '*') {
475 w->compare[len - 1] = '\0';
478 w->ends_with = ends_with;
480 if(w->starts_with && w->ends_with)
481 proc_pid_cmdline_is_needed = 1;
483 w->comparehash = simple_hash(w->compare);
484 w->comparelen = strlen(w->compare);
490 w->next = apps_groups_root_target;
491 apps_groups_root_target = w;
494 fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
496 , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
497 , w->target?w->target->id:w->id
498 , (w->hidden)?"hidden":"-"
499 , (w->debug)?"debug":"-"
505 // read the apps_groups.conf file
506 int read_apps_groups_conf(const char *name)
508 char filename[FILENAME_MAX + 1];
510 snprintf(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, name);
513 fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
515 // ----------------------------------------
517 procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT);
520 procfile_set_quotes(ff, "'\"");
522 ff = procfile_readall(ff);
528 unsigned long line, lines = procfile_lines(ff);
530 for(line = 0; line < lines ;line++) {
531 unsigned long word, words = procfile_linewords(ff, line);
532 struct target *w = NULL;
534 char *t = procfile_lineword(ff, line, 0);
535 if(!t || !*t) continue;
537 for(word = 0; word < words ;word++) {
538 char *s = procfile_lineword(ff, line, word);
539 if(!s || !*s) continue;
544 struct target *n = get_apps_groups_target(s, w);
546 error("Cannot create target '%s' (line %d, word %d)", s, line, word);
554 int tdebug = 0, thidden = 0;
556 while(t[0] == '-' || t[0] == '+') {
557 if(t[0] == '-') thidden = 1;
558 if(t[0] == '+') tdebug = 1;
562 strncpy(w->name, t, MAX_NAME);
563 w->name[MAX_NAME] = '\0';
568 fprintf(stderr, "apps.plugin: AGGREGATION TARGET NAME '%s' on ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
571 , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
572 , w->target?w->target->id:w->id
573 , (w->hidden)?"hidden":"-"
574 , (w->debug)?"debug":"-"
581 apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
582 if(!apps_groups_default_target)
583 error("Cannot create default target");
585 strncpy(apps_groups_default_target->name, "other", MAX_NAME);
591 // ----------------------------------------------------------------------------
592 // data to store for each pid
597 char comm[MAX_COMPARE_NAME + 1];
598 char cmdline[MAX_CMDLINE + 1];
607 unsigned long long minflt;
608 unsigned long long cminflt;
609 unsigned long long majflt;
610 unsigned long long cmajflt;
611 unsigned long long utime;
612 unsigned long long stime;
613 unsigned long long cutime;
614 unsigned long long cstime;
618 // int64_t itrealvalue;
619 // unsigned long long starttime;
620 // unsigned long long vsize;
621 unsigned long long rss;
622 // unsigned long long rsslim;
623 // unsigned long long starcode;
624 // unsigned long long endcode;
625 // unsigned long long startstack;
626 // unsigned long long kstkesp;
627 // unsigned long long kstkeip;
630 // uint64_t sigignore;
631 // uint64_t sigcatch;
635 // int32_t exit_signal;
636 // int32_t processor;
637 // uint32_t rt_priority;
639 // unsigned long long delayacct_blkio_ticks;
640 // uint64_t guest_time;
641 // int64_t cguest_time;
646 unsigned long long statm_size;
647 unsigned long long statm_resident;
648 unsigned long long statm_share;
649 unsigned long long statm_text;
650 unsigned long long statm_lib;
651 unsigned long long statm_data;
652 unsigned long long statm_dirty;
654 unsigned long long io_logical_bytes_read;
655 unsigned long long io_logical_bytes_written;
656 unsigned long long io_read_calls;
657 unsigned long long io_write_calls;
658 unsigned long long io_storage_bytes_read;
659 unsigned long long io_storage_bytes_written;
660 unsigned long long io_cancelled_write_bytes;
662 // we need the last values
663 // for all incremental counters
664 // so that when a process switches users/groups
665 // we will subtract these values from the old
667 unsigned long long last_minflt;
668 unsigned long long last_cminflt;
669 unsigned long long last_majflt;
670 unsigned long long last_cmajflt;
671 unsigned long long last_utime;
672 unsigned long long last_stime;
673 unsigned long long last_cutime;
674 unsigned long long last_cstime;
676 unsigned long long last_io_logical_bytes_read;
677 unsigned long long last_io_logical_bytes_written;
678 unsigned long long last_io_read_calls;
679 unsigned long long last_io_write_calls;
680 unsigned long long last_io_storage_bytes_read;
681 unsigned long long last_io_storage_bytes_written;
682 unsigned long long last_io_cancelled_write_bytes;
684 #ifdef AGGREGATE_CHILDREN_TO_PARENTS
685 unsigned long long old_utime;
686 unsigned long long old_stime;
687 unsigned long long old_minflt;
688 unsigned long long old_majflt;
690 unsigned long long old_cutime;
691 unsigned long long old_cstime;
692 unsigned long long old_cminflt;
693 unsigned long long old_cmajflt;
695 unsigned long long fix_cutime;
696 unsigned long long fix_cstime;
697 unsigned long long fix_cminflt;
698 unsigned long long fix_cmajflt;
700 unsigned long long diff_cutime;
701 unsigned long long diff_cstime;
702 unsigned long long diff_cminflt;
703 unsigned long long diff_cmajflt;
704 #endif /* AGGREGATE_CHILDREN_TO_PARENTS */
706 int *fds; // array of fds it uses
707 int fds_size; // the size of the fds array
709 int children_count; // number of processes directly referencing this
710 int updated; // 1 when update
711 int merged; // 1 when it has been merged to its parent
714 struct target *target; // app_groups.conf targets
715 struct target *user_target; // uid based targets
716 struct target *group_target; // gid based targets
718 struct pid_stat *parent;
719 struct pid_stat *prev;
720 struct pid_stat *next;
722 } *root_of_pids = NULL, **all_pids;
724 long all_pids_count = 0;
726 struct pid_stat *get_pid_entry(pid_t pid)
729 all_pids[pid]->new_entry = 0;
730 return all_pids[pid];
733 all_pids[pid] = calloc(sizeof(struct pid_stat), 1);
735 error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct pid_stat));
739 all_pids[pid]->fds = calloc(sizeof(int), 100);
740 if(!all_pids[pid]->fds)
741 error("Cannot allocate %ld bytes of memory", (unsigned long)(sizeof(int) * 100));
742 else all_pids[pid]->fds_size = 100;
744 if(root_of_pids) root_of_pids->prev = all_pids[pid];
745 all_pids[pid]->next = root_of_pids;
746 root_of_pids = all_pids[pid];
748 all_pids[pid]->pid = pid;
749 all_pids[pid]->new_entry = 1;
751 return all_pids[pid];
754 void del_pid_entry(pid_t pid)
756 if(!all_pids[pid]) return;
758 if(debug) fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
760 if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next;
761 if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
762 if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next;
764 if(all_pids[pid]->fds) free(all_pids[pid]->fds);
766 all_pids[pid] = NULL;
770 // ----------------------------------------------------------------------------
771 // update pids from proc
773 int read_proc_pid_cmdline(struct pid_stat *p) {
774 char filename[FILENAME_MAX + 1];
775 snprintf(filename, FILENAME_MAX, "%s/proc/%d/cmdline", host_prefix, p->pid);
777 int fd = open(filename, O_RDONLY, 0666);
778 if(unlikely(fd == -1)) return 1;
780 int i, bytes = read(fd, p->cmdline, MAX_CMDLINE);
784 // copy the command to the command line
785 strncpy(p->cmdline, p->comm, MAX_CMDLINE);
786 p->cmdline[MAX_CMDLINE] = '\0';
790 p->cmdline[bytes] = '\0';
791 for(i = 0; i < bytes ; i++)
792 if(!p->cmdline[i]) p->cmdline[i] = ' ';
795 fprintf(stderr, "Read file '%s' contents: %s\n", filename, p->cmdline);
800 int read_proc_pid_ownership(struct pid_stat *p) {
801 char filename[FILENAME_MAX + 1];
803 snprintf(filename, FILENAME_MAX, "%s/proc/%d", host_prefix, p->pid);
805 // ----------------------------------------
809 if(stat(filename, &st) != 0)
818 int read_proc_pid_stat(struct pid_stat *p) {
819 static procfile *ff = NULL;
821 char filename[FILENAME_MAX + 1];
823 snprintf(filename, FILENAME_MAX, "%s/proc/%d/stat", host_prefix, p->pid);
825 // ----------------------------------------
827 int set_quotes = (!ff)?1:0;
829 ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
832 // if(set_quotes) procfile_set_quotes(ff, "()");
833 if(set_quotes) procfile_set_open_close(ff, "(", ")");
835 ff = procfile_readall(ff);
837 // procfile_close(ff);
843 // parse the process name
845 strncpy(p->comm, procfile_lineword(ff, 0, 1), MAX_COMPARE_NAME);
846 p->comm[MAX_COMPARE_NAME] = '\0';
848 // p->pid = atol(procfile_lineword(ff, 0, 0+i));
850 // p->state = *(procfile_lineword(ff, 0, 2+i));
851 p->ppid = (int32_t) atol(procfile_lineword(ff, 0, 3 + i));
852 // p->pgrp = atol(procfile_lineword(ff, 0, 4+i));
853 // p->session = atol(procfile_lineword(ff, 0, 5+i));
854 // p->tty_nr = atol(procfile_lineword(ff, 0, 6+i));
855 // p->tpgid = atol(procfile_lineword(ff, 0, 7+i));
856 // p->flags = strtoull(procfile_lineword(ff, 0, 8+i), NULL, 10);
857 p->minflt = strtoull(procfile_lineword(ff, 0, 9+i), NULL, 10);
858 p->cminflt = strtoull(procfile_lineword(ff, 0, 10+i), NULL, 10);
859 p->majflt = strtoull(procfile_lineword(ff, 0, 11+i), NULL, 10);
860 p->cmajflt = strtoull(procfile_lineword(ff, 0, 12+i), NULL, 10);
861 p->utime = strtoull(procfile_lineword(ff, 0, 13+i), NULL, 10);
862 p->stime = strtoull(procfile_lineword(ff, 0, 14+i), NULL, 10);
863 p->cutime = strtoull(procfile_lineword(ff, 0, 15+i), NULL, 10);
864 p->cstime = strtoull(procfile_lineword(ff, 0, 16+i), NULL, 10);
865 // p->priority = strtoull(procfile_lineword(ff, 0, 17+i), NULL, 10);
866 // p->nice = strtoull(procfile_lineword(ff, 0, 18+i), NULL, 10);
867 p->num_threads = (int32_t) atol(procfile_lineword(ff, 0, 19 + i));
868 // p->itrealvalue = strtoull(procfile_lineword(ff, 0, 20+i), NULL, 10);
869 // p->starttime = strtoull(procfile_lineword(ff, 0, 21+i), NULL, 10);
870 // p->vsize = strtoull(procfile_lineword(ff, 0, 22+i), NULL, 10);
871 p->rss = strtoull(procfile_lineword(ff, 0, 23+i), NULL, 10);
872 // p->rsslim = strtoull(procfile_lineword(ff, 0, 24+i), NULL, 10);
873 // p->starcode = strtoull(procfile_lineword(ff, 0, 25+i), NULL, 10);
874 // p->endcode = strtoull(procfile_lineword(ff, 0, 26+i), NULL, 10);
875 // p->startstack = strtoull(procfile_lineword(ff, 0, 27+i), NULL, 10);
876 // p->kstkesp = strtoull(procfile_lineword(ff, 0, 28+i), NULL, 10);
877 // p->kstkeip = strtoull(procfile_lineword(ff, 0, 29+i), NULL, 10);
878 // p->signal = strtoull(procfile_lineword(ff, 0, 30+i), NULL, 10);
879 // p->blocked = strtoull(procfile_lineword(ff, 0, 31+i), NULL, 10);
880 // p->sigignore = strtoull(procfile_lineword(ff, 0, 32+i), NULL, 10);
881 // p->sigcatch = strtoull(procfile_lineword(ff, 0, 33+i), NULL, 10);
882 // p->wchan = strtoull(procfile_lineword(ff, 0, 34+i), NULL, 10);
883 // p->nswap = strtoull(procfile_lineword(ff, 0, 35+i), NULL, 10);
884 // p->cnswap = strtoull(procfile_lineword(ff, 0, 36+i), NULL, 10);
885 // p->exit_signal = atol(procfile_lineword(ff, 0, 37+i));
886 // p->processor = atol(procfile_lineword(ff, 0, 38+i));
887 // p->rt_priority = strtoul(procfile_lineword(ff, 0, 39+i), NULL, 10);
888 // p->policy = strtoul(procfile_lineword(ff, 0, 40+i), NULL, 10);
889 // p->delayacct_blkio_ticks = strtoull(procfile_lineword(ff, 0, 41+i), NULL, 10);
890 // p->guest_time = strtoull(procfile_lineword(ff, 0, 42+i), NULL, 10);
891 // p->cguest_time = strtoull(procfile_lineword(ff, 0, 43), NULL, 10);
893 if(debug || (p->target && p->target->debug))
894 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);
896 // procfile_close(ff);
900 int read_proc_pid_statm(struct pid_stat *p) {
901 static procfile *ff = NULL;
903 char filename[FILENAME_MAX + 1];
905 snprintf(filename, FILENAME_MAX, "%s/proc/%d/statm", host_prefix, p->pid);
907 ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
910 ff = procfile_readall(ff);
912 // procfile_close(ff);
918 p->statm_size = strtoull(procfile_lineword(ff, 0, 0), NULL, 10);
919 p->statm_resident = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
920 p->statm_share = strtoull(procfile_lineword(ff, 0, 2), NULL, 10);
921 p->statm_text = strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
922 p->statm_lib = strtoull(procfile_lineword(ff, 0, 4), NULL, 10);
923 p->statm_data = strtoull(procfile_lineword(ff, 0, 5), NULL, 10);
924 p->statm_dirty = strtoull(procfile_lineword(ff, 0, 6), NULL, 10);
926 // procfile_close(ff);
930 int read_proc_pid_io(struct pid_stat *p) {
931 static procfile *ff = NULL;
933 char filename[FILENAME_MAX + 1];
935 snprintf(filename, FILENAME_MAX, "%s/proc/%d/io", host_prefix, p->pid);
937 ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
940 ff = procfile_readall(ff);
942 // procfile_close(ff);
948 p->io_logical_bytes_read = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
949 p->io_logical_bytes_written = strtoull(procfile_lineword(ff, 1, 1), NULL, 10);
950 p->io_read_calls = strtoull(procfile_lineword(ff, 2, 1), NULL, 10);
951 p->io_write_calls = strtoull(procfile_lineword(ff, 3, 1), NULL, 10);
952 p->io_storage_bytes_read = strtoull(procfile_lineword(ff, 4, 1), NULL, 10);
953 p->io_storage_bytes_written = strtoull(procfile_lineword(ff, 5, 1), NULL, 10);
954 p->io_cancelled_write_bytes = strtoull(procfile_lineword(ff, 6, 1), NULL, 10);
956 // procfile_close(ff);
961 // ----------------------------------------------------------------------------
963 // this is used to keep a global list of all open files of the system
964 // it is needed in order to calculate the unique files processes have open
966 #define FILE_DESCRIPTORS_INCREASE_STEP 100
968 struct file_descriptor {
970 #ifdef NETDATA_INTERNAL_CHECKS
972 #endif /* NETDATA_INTERNAL_CHECKS */
980 int all_files_len = 0;
981 int all_files_size = 0;
983 int file_descriptor_compare(void* a, void* b) {
984 #ifdef NETDATA_INTERNAL_CHECKS
985 if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
986 error("Corrupted index data detected. Please report this.");
987 #endif /* NETDATA_INTERNAL_CHECKS */
989 if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
992 else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
996 return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
999 int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
1001 avl_tree all_files_index = {
1003 file_descriptor_compare,
1004 #ifndef AVL_WITHOUT_PTHREADS
1005 #ifdef AVL_LOCK_WITH_MUTEX
1006 PTHREAD_MUTEX_INITIALIZER
1008 PTHREAD_RWLOCK_INITIALIZER
1010 #endif /* AVL_WITHOUT_PTHREADS */
1013 static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
1014 struct file_descriptor *result = NULL, tmp;
1015 tmp.hash = (hash)?hash:simple_hash(name);
1019 #ifdef NETDATA_INTERNAL_CHECKS
1020 tmp.magic = 0x0BADCAFE;
1021 #endif /* NETDATA_INTERNAL_CHECKS */
1023 avl_search(&all_files_index, (avl *)&tmp, file_descriptor_iterator, (avl **)&result);
1027 #define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
1028 #define file_descriptor_remove(fd) avl_remove(&all_files_index, (avl *)(fd))
1030 #define FILETYPE_OTHER 0
1031 #define FILETYPE_FILE 1
1032 #define FILETYPE_PIPE 2
1033 #define FILETYPE_SOCKET 3
1034 #define FILETYPE_INOTIFY 4
1035 #define FILETYPE_EVENTFD 5
1036 #define FILETYPE_EVENTPOLL 6
1037 #define FILETYPE_TIMERFD 7
1038 #define FILETYPE_SIGNALFD 8
1040 void file_descriptor_not_used(int id)
1042 if(id > 0 && id < all_files_size) {
1044 #ifdef NETDATA_INTERNAL_CHECKS
1045 if(all_files[id].magic != 0x0BADCAFE) {
1046 error("Ignoring request to remove empty file id %d.", id);
1049 #endif /* NETDATA_INTERNAL_CHECKS */
1051 if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
1053 if(all_files[id].count > 0) {
1054 all_files[id].count--;
1056 if(!all_files[id].count) {
1057 if(debug) fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
1058 file_descriptor_remove(&all_files[id]);
1059 #ifdef NETDATA_INTERNAL_CHECKS
1060 all_files[id].magic = 0x00000000;
1061 #endif /* NETDATA_INTERNAL_CHECKS */
1066 error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
1068 else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
1071 int file_descriptor_find_or_add(const char *name)
1073 static int last_pos = 0;
1074 uint32_t hash = simple_hash(name);
1076 if(debug) fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
1078 struct file_descriptor *fd = file_descriptor_find(name, hash);
1081 if(debug) fprintf(stderr, "apps.plugin: >> found on slot %d\n", fd->pos);
1087 // check we have enough memory to add it
1088 if(!all_files || all_files_len == all_files_size) {
1089 void *old = all_files;
1092 // there is no empty slot
1093 if(debug) fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
1094 all_files = realloc(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
1096 // if the address changed, we have to rebuild the index
1097 // since all pointers are now invalid
1098 if(old && old != (void *)all_files) {
1099 if(debug) fprintf(stderr, "apps.plugin: >> re-indexing.\n");
1100 all_files_index.root = NULL;
1101 for(i = 0; i < all_files_size; i++) {
1102 if(!all_files[i].count) continue;
1103 file_descriptor_add(&all_files[i]);
1105 if(debug) fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
1108 for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
1109 all_files[i].count = 0;
1110 all_files[i].name = NULL;
1111 #ifdef NETDATA_INTERNAL_CHECKS
1112 all_files[i].magic = 0x00000000;
1113 #endif /* NETDATA_INTERNAL_CHECKS */
1114 all_files[i].pos = i;
1117 if(!all_files_size) all_files_len = 1;
1118 all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
1121 if(debug) fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
1123 // search for an empty slot
1125 for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
1126 if(c >= all_files_size) c = 0;
1127 if(c == 0) continue;
1129 if(!all_files[c].count) {
1130 if(debug) fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
1132 #ifdef NETDATA_INTERNAL_CHECKS
1133 if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
1134 error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
1135 #endif /* NETDATA_INTERNAL_CHECKS */
1137 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);
1138 if(all_files[c].name) free((void *)all_files[c].name);
1139 all_files[c].name = NULL;
1144 if(i == all_files_size) {
1145 fatal("We should find an empty slot, but there isn't any");
1148 if(debug) fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
1152 // else we have an empty slot in 'c'
1155 if(name[0] == '/') type = FILETYPE_FILE;
1156 else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE;
1157 else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET;
1158 else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY;
1159 else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD;
1160 else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
1161 else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
1162 else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
1163 else if(strncmp(name, "anon_inode:", 11) == 0) {
1164 if(debug) fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
1165 type = FILETYPE_OTHER;
1168 if(debug) fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
1169 type = FILETYPE_OTHER;
1172 all_files[c].name = strdup(name);
1173 all_files[c].hash = hash;
1174 all_files[c].type = type;
1175 all_files[c].pos = c;
1176 all_files[c].count = 1;
1177 #ifdef NETDATA_INTERNAL_CHECKS
1178 all_files[c].magic = 0x0BADCAFE;
1179 #endif /* NETDATA_INTERNAL_CHECKS */
1180 file_descriptor_add(&all_files[c]);
1182 if(debug) fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
1187 int read_pid_file_descriptors(struct pid_stat *p) {
1188 char dirname[FILENAME_MAX+1];
1190 snprintf(dirname, FILENAME_MAX, "%s/proc/%d/fd", host_prefix, p->pid);
1191 DIR *fds = opendir(dirname);
1195 char fdname[FILENAME_MAX + 1];
1196 char linkname[FILENAME_MAX + 1];
1198 // make the array negative
1199 for(c = 0 ; c < p->fds_size ; c++)
1200 p->fds[c] = -p->fds[c];
1202 while((de = readdir(fds))) {
1203 if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0)
1206 // check if the fds array is small
1207 int fdid = atoi(de->d_name);
1208 if(fdid < 0) continue;
1209 if(fdid >= p->fds_size) {
1210 // it is small, extend it
1211 if(debug) fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
1212 p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
1214 error("Cannot re-allocate fds for %s", p->comm);
1218 // and initialize it
1219 for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
1220 p->fds_size = fdid + 100;
1223 if(p->fds[fdid] == 0) {
1224 // we don't know this fd, get it
1226 sprintf(fdname, "%s/proc/%d/fd/%s", host_prefix, p->pid, de->d_name);
1227 ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
1229 if(debug || (p->target && p->target->debug)) {
1230 if(debug || (p->target && p->target->debug))
1231 error("Cannot read link %s", fdname);
1238 // if another process already has this, we will get
1240 p->fds[fdid] = file_descriptor_find_or_add(linkname);
1243 // else make it positive again, we need it
1244 // of course, the actual file may have changed, but we don't care so much
1245 // FIXME: we could compare the inode as returned by readdir direct structure
1246 else p->fds[fdid] = -p->fds[fdid];
1250 // remove all the negative file descriptors
1251 for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
1252 file_descriptor_not_used(-p->fds[c]);
1261 // ----------------------------------------------------------------------------
1263 // 1. read all files in /proc
1264 // 2. for each numeric directory:
1265 // i. read /proc/pid/stat
1266 // ii. read /proc/pid/statm
1267 // iii. read /proc/pid/io (requires root access)
1268 // iii. read the entries in directory /proc/pid/fd (requires root access)
1270 // a. find or create a struct file_descriptor
1271 // b. cleanup any old/unused file_descriptors
1273 // after all these, some pids may be linked to targets, while others may not
1275 // in case of errors, only 1 every 1000 errors is printed
1276 // to avoid filling up all disk space
1277 // if debug is enabled, all errors are printed
1279 int collect_data_for_all_processes_from_proc(void)
1281 char dirname[FILENAME_MAX + 1];
1283 snprintf(dirname, FILENAME_MAX, "%s/proc", host_prefix);
1284 DIR *dir = opendir(dirname);
1287 struct dirent *file = NULL;
1288 struct pid_stat *p = NULL;
1290 // mark them all as un-updated
1292 for(p = root_of_pids; p ; p = p->next) {
1296 p->children_count = 0;
1300 p->last_minflt = p->minflt;
1301 p->last_cminflt = p->cminflt;
1302 p->last_majflt = p->majflt;
1303 p->last_cmajflt = p->cmajflt;
1304 p->last_utime = p->utime;
1305 p->last_stime = p->stime;
1306 p->last_cutime = p->cutime;
1307 p->last_cstime = p->cstime;
1309 p->last_io_logical_bytes_read = p->io_logical_bytes_read;
1310 p->last_io_logical_bytes_written = p->io_logical_bytes_written;
1311 p->last_io_read_calls = p->io_read_calls;
1312 p->last_io_write_calls = p->io_write_calls;
1313 p->last_io_storage_bytes_read = p->io_storage_bytes_read;
1314 p->last_io_storage_bytes_written = p->io_storage_bytes_written;
1315 p->last_io_cancelled_write_bytes = p->io_cancelled_write_bytes;
1318 while((file = readdir(dir))) {
1319 char *endptr = file->d_name;
1320 pid_t pid = (pid_t) strtoul(file->d_name, &endptr, 10);
1322 // make sure we read a valid number
1323 if(unlikely(pid <= 0 || pid > pid_max || endptr == file->d_name || *endptr != '\0'))
1326 p = get_pid_entry(pid);
1327 if(unlikely(!p)) continue;
1330 // --------------------------------------------------------------------
1333 if(unlikely(read_proc_pid_stat(p))) {
1334 error("Cannot process %s/proc/%d/stat", host_prefix, pid);
1336 // there is no reason to proceed if we cannot get its status
1340 // check its parent pid
1341 if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
1342 error("Pid %d states invalid parent pid %d. Using 0.", pid, p->ppid);
1347 // --------------------------------------------------------------------
1348 // /proc/<pid>/cmdline
1350 if(proc_pid_cmdline_is_needed) {
1351 if(unlikely(read_proc_pid_cmdline(p))) {
1352 error("Cannot process %s/proc/%d/cmdline", host_prefix, pid);
1356 // --------------------------------------------------------------------
1357 // /proc/<pid>/statm
1359 if(unlikely(read_proc_pid_statm(p))) {
1360 error("Cannot process %s/proc/%d/statm", host_prefix, pid);
1362 // there is no reason to proceed if we cannot get its memory status
1367 // --------------------------------------------------------------------
1370 if(unlikely(read_proc_pid_io(p))) {
1371 error("Cannot process %s/proc/%d/io", host_prefix, pid);
1373 // on systems without /proc/X/io
1374 // allow proceeding without I/O information
1378 // --------------------------------------------------------------------
1381 if(unlikely(read_proc_pid_ownership(p))) {
1382 error("Cannot stat %s/proc/%d", host_prefix, pid);
1385 // --------------------------------------------------------------------
1388 // check if it is target
1389 // we do this only once, the first time this pid is loaded
1390 if(unlikely(p->new_entry)) {
1391 if(debug) fprintf(stderr, "apps.plugin: \tJust added %s\n", p->comm);
1392 uint32_t hash = simple_hash(p->comm);
1393 size_t pclen = strlen(p->comm);
1396 for(w = apps_groups_root_target; w ; w = w->next) {
1397 // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
1399 // find it - 4 cases:
1400 // 1. the target is not a pattern
1401 // 2. the target has the prefix
1402 // 3. the target has the suffix
1403 // 4. the target is something inside cmdline
1404 if( (!w->starts_with && !w->ends_with && w->comparehash == hash && !strcmp(w->compare, p->comm))
1405 || (w->starts_with && !w->ends_with && !strncmp(w->compare, p->comm, w->comparelen))
1406 || (!w->starts_with && w->ends_with && pclen >= w->comparelen && !strcmp(w->compare, &p->comm[pclen - w->comparelen]))
1407 || (proc_pid_cmdline_is_needed && w->starts_with && w->ends_with && strstr(p->cmdline, w->compare))
1409 if(w->target) p->target = w->target;
1412 if(debug || (p->target && p->target->debug))
1413 fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
1418 // --------------------------------------------------------------------
1421 if(unlikely(read_pid_file_descriptors(p))) {
1422 error("Cannot process entries in %s/proc/%d/fd", host_prefix, pid);
1425 // --------------------------------------------------------------------
1428 // mark it as updated
1438 // ----------------------------------------------------------------------------
1440 #ifdef AGGREGATE_CHILDREN_TO_PARENTS
1441 // print a tree view of all processes
1442 int debug_childrens_aggregations(pid_t pid, int level) {
1443 struct pid_stat *p = NULL;
1447 for(i = 0; i < level; i++) b[i] = '\t';
1452 for(p = root_of_pids; p ; p = p->next) {
1453 if(p->ppid == pid) {
1454 ret += debug_childrens_aggregations(p->pid, level+1);
1460 if(!p->updated) ret += 1;
1461 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"
1462 , b, p->comm, p->pid, p->updated?"OK":"KILLED", p->target->name, p->children_count
1463 , p->utime, p->utime - p->old_utime
1464 , p->stime, p->stime - p->old_stime
1465 , p->cutime, p->cutime - p->old_cutime
1466 , p->cstime, p->cstime - p->old_cstime
1467 , p->minflt, p->minflt - p->old_minflt
1468 , p->majflt, p->majflt - p->old_majflt
1469 , p->cminflt, p->cminflt - p->old_cminflt
1470 , p->cmajflt, p->cmajflt - p->old_cmajflt
1476 #endif /* AGGREGATE_CHILDREN_TO_PARENTS */
1480 // ----------------------------------------------------------------------------
1481 // update statistics on the targets
1483 // 1. link all childs to their parents
1484 // 2. go from bottom to top, marking as merged all childs to their parents
1485 // this step links all parents without a target to the child target, if any
1486 // 3. link all top level processes (the ones not merged) to the default target
1487 // 4. go from top to bottom, linking all childs without a target, to their parent target
1488 // after this step, all processes have a target
1489 // [5. for each killed pid (updated = 0), remove its usage from its target]
1490 // 6. zero all apps_groups_targets
1491 // 7. concentrate all values on the apps_groups_targets
1492 // 8. remove all killed processes
1493 // 9. find the unique file count for each target
1494 // check: update_apps_groups_statistics()
1496 void link_all_processes_to_their_parents(void) {
1497 struct pid_stat *p = NULL;
1499 // link all children to their parents
1500 // and update children count on parents
1501 for(p = root_of_pids; p ; p = p->next) {
1502 // for each process found running
1505 && p->ppid <= pid_max
1506 && all_pids[p->ppid]
1508 // for valid processes
1510 if(debug || (p->target && p->target->debug))
1511 fprintf(stderr, "apps.plugin: \tparent of %d (%s) is %d (%s)\n", p->pid, p->comm, p->ppid, all_pids[p->ppid]->comm);
1513 p->parent = all_pids[p->ppid];
1514 p->parent->children_count++;
1516 else if(p->ppid != 0)
1517 error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
1521 #ifdef AGGREGATE_CHILDREN_TO_PARENTS
1522 void aggregate_children_to_parents(void) {
1523 struct pid_stat *p = NULL;
1525 // for each killed process, remove its values from the parents
1526 // sums (we had already added them in a previous loop)
1527 for(p = root_of_pids; p ; p = p->next) {
1528 if(p->updated) continue;
1530 if(debug) fprintf(stderr, "apps.plugin: UNMERGING %d %s\n", p->pid, p->comm);
1532 unsigned long long diff_utime = p->utime + p->cutime + p->fix_cutime;
1533 unsigned long long diff_stime = p->stime + p->cstime + p->fix_cstime;
1534 unsigned long long diff_minflt = p->minflt + p->cminflt + p->fix_cminflt;
1535 unsigned long long diff_majflt = p->majflt + p->cmajflt + p->fix_cmajflt;
1537 struct pid_stat *t = p;
1538 while((t = t->parent)) {
1539 if(!t->updated) continue;
1541 unsigned long long x;
1542 if(diff_utime && t->diff_cutime) {
1543 x = (t->diff_cutime < diff_utime)?t->diff_cutime:diff_utime;
1545 t->diff_cutime -= x;
1547 if(debug) fprintf(stderr, "apps.plugin: \t cutime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1549 if(diff_stime && t->diff_cstime) {
1550 x = (t->diff_cstime < diff_stime)?t->diff_cstime:diff_stime;
1552 t->diff_cstime -= x;
1554 if(debug) fprintf(stderr, "apps.plugin: \t cstime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1556 if(diff_minflt && t->diff_cminflt) {
1557 x = (t->diff_cminflt < diff_minflt)?t->diff_cminflt:diff_minflt;
1559 t->diff_cminflt -= x;
1560 t->fix_cminflt += x;
1561 if(debug) fprintf(stderr, "apps.plugin: \t cminflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1563 if(diff_majflt && t->diff_cmajflt) {
1564 x = (t->diff_cmajflt < diff_majflt)?t->diff_cmajflt:diff_majflt;
1566 t->diff_cmajflt -= x;
1567 t->fix_cmajflt += x;
1568 if(debug) fprintf(stderr, "apps.plugin: \t cmajflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1572 if(diff_utime) error("Cannot fix up utime %llu", diff_utime);
1573 if(diff_stime) error("Cannot fix up stime %llu", diff_stime);
1574 if(diff_minflt) error("Cannot fix up minflt %llu", diff_minflt);
1575 if(diff_majflt) error("Cannot fix up majflt %llu", diff_majflt);
1578 #endif /* AGGREGATE_CHILDREN_TO_PARENTS */
1580 void cleanup_non_existing_pids(void) {
1582 struct pid_stat *p = NULL;
1584 for(p = root_of_pids; p ;) {
1586 // 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);
1588 for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
1589 file_descriptor_not_used(p->fds[c]);
1601 void apply_apps_groups_targets_inheritance(void) {
1602 struct pid_stat *p = NULL;
1604 // children that do not have a target
1605 // inherit their target from their parent
1609 for(p = root_of_pids; p ; p = p->next) {
1610 // if this process does not have a target
1611 // and it has a parent
1612 // and its parent has a target
1613 // then, set the parent's target to this process
1614 if(unlikely(!p->target && p->parent && p->parent->target)) {
1615 p->target = p->parent->target;
1618 if(debug || (p->target && p->target->debug))
1619 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);
1625 // find all the procs with 0 childs and merge them to their parents
1626 // repeat, until nothing more can be done.
1630 for(p = root_of_pids; p ; p = p->next) {
1631 // if this process does not have any children
1632 // and is not already merged
1634 // and its parent has children
1635 // and the target of this process and its parent is the same, or the parent does not have a target
1636 // and its parent is not init
1637 // then, mark them as merged.
1642 && p->parent->children_count
1643 && (p->target == p->parent->target || !p->parent->target)
1646 p->parent->children_count--;
1649 // the parent inherits the child's target, if it does not have a target itself
1650 if(unlikely(p->target && !p->parent->target)) {
1651 p->parent->target = p->target;
1653 if(debug || (p->target && p->target->debug))
1654 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);
1662 fprintf(stderr, "apps.plugin: merged %d processes\n", found);
1665 // init goes always to default target
1667 all_pids[1]->target = apps_groups_default_target;
1669 // give a default target on all top level processes
1670 for(p = root_of_pids; p ; p = p->next) {
1671 // if the process is not merged itself
1672 // then is is a top level process
1673 if(!p->merged && !p->target)
1674 p->target = apps_groups_default_target;
1676 #ifdef AGGREGATE_CHILDREN_TO_PARENTS
1677 // by the way, update the diffs
1678 // will be used later for subtracting killed process times
1679 p->diff_cutime = p->utime - p->cutime;
1680 p->diff_cstime = p->stime - p->cstime;
1681 p->diff_cminflt = p->minflt - p->cminflt;
1682 p->diff_cmajflt = p->majflt - p->cmajflt;
1683 #endif /* AGGREGATE_CHILDREN_TO_PARENTS */
1686 // give a target to all merged child processes
1690 for(p = root_of_pids; p ; p = p->next) {
1691 if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) {
1692 p->target = p->parent->target;
1695 if(debug || (p->target && p->target->debug))
1696 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);
1702 long zero_all_targets(struct target *root) {
1706 for (w = root; w ; w = w->next) {
1709 if(w->fds) free(w->fds);
1725 w->statm_resident = 0;
1732 w->io_logical_bytes_read = 0;
1733 w->io_logical_bytes_written = 0;
1734 w->io_read_calls = 0;
1735 w->io_write_calls = 0;
1736 w->io_storage_bytes_read = 0;
1737 w->io_storage_bytes_written = 0;
1738 w->io_cancelled_write_bytes = 0;
1744 void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
1745 if(unlikely(!w->fds)) {
1746 w->fds = calloc(sizeof(int), (size_t) all_files_size);
1747 if(unlikely(!w->fds))
1748 error("Cannot allocate memory for fds in %s", w->name);
1751 if(likely(p->updated)) {
1752 w->cutime += p->cutime; // - p->fix_cutime;
1753 w->cstime += p->cstime; // - p->fix_cstime;
1754 w->cminflt += p->cminflt; // - p->fix_cminflt;
1755 w->cmajflt += p->cmajflt; // - p->fix_cmajflt;
1757 w->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0;
1758 w->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0;
1759 w->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0;
1760 w->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0;
1762 //if(p->num_threads < 0)
1763 // error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
1765 //if(p->num_threads > 10000)
1766 // error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
1768 w->num_threads += p->num_threads;
1771 w->statm_size += p->statm_size;
1772 w->statm_resident += p->statm_resident;
1773 w->statm_share += p->statm_share;
1774 w->statm_text += p->statm_text;
1775 w->statm_lib += p->statm_lib;
1776 w->statm_data += p->statm_data;
1777 w->statm_dirty += p->statm_dirty;
1779 w->io_logical_bytes_read += p->io_logical_bytes_read;
1780 w->io_logical_bytes_written += p->io_logical_bytes_written;
1781 w->io_read_calls += p->io_read_calls;
1782 w->io_write_calls += p->io_write_calls;
1783 w->io_storage_bytes_read += p->io_storage_bytes_read;
1784 w->io_storage_bytes_written += p->io_storage_bytes_written;
1785 w->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
1789 if(likely(w->fds)) {
1791 for(c = 0; c < p->fds_size ;c++) {
1792 if(p->fds[c] == 0) continue;
1794 if(likely(p->fds[c] < all_files_size)) {
1795 if(w->fds) w->fds[p->fds[c]]++;
1798 error("Invalid fd number %d", p->fds[c]);
1802 if(unlikely(debug || w->debug))
1803 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, w->name, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
1805 /* 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);
1806 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);
1807 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);
1808 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);
1809 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);
1810 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);
1811 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);
1812 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);
1814 #ifdef AGGREGATE_CHILDREN_TO_PARENTS
1815 p->old_utime = p->utime;
1816 p->old_cutime = p->cutime;
1817 p->old_stime = p->stime;
1818 p->old_cstime = p->cstime;
1819 p->old_minflt = p->minflt;
1820 p->old_majflt = p->majflt;
1821 p->old_cminflt = p->cminflt;
1822 p->old_cmajflt = p->cmajflt;
1823 #endif /* AGGREGATE_CHILDREN_TO_PARENTS */
1826 // since the process switched target
1827 // for all incremental values
1828 // we have to subtract its OLD values from the new target
1829 // and add its OLD values to the old target
1832 // We add/subtract the last/OLD values we added to the target
1834 w->fix_cutime -= p->last_cutime;
1835 w->fix_cstime -= p->last_cstime;
1836 w->fix_cminflt -= p->last_cminflt;
1837 w->fix_cmajflt -= p->last_cmajflt;
1839 w->fix_utime -= p->last_utime;
1840 w->fix_stime -= p->last_stime;
1841 w->fix_minflt -= p->last_minflt;
1842 w->fix_majflt -= p->last_majflt;
1845 w->fix_io_logical_bytes_read -= p->last_io_logical_bytes_read;
1846 w->fix_io_logical_bytes_written -= p->last_io_logical_bytes_written;
1847 w->fix_io_read_calls -= p->last_io_read_calls;
1848 w->fix_io_write_calls -= p->last_io_write_calls;
1849 w->fix_io_storage_bytes_read -= p->last_io_storage_bytes_read;
1850 w->fix_io_storage_bytes_written -= p->last_io_storage_bytes_written;
1851 w->fix_io_cancelled_write_bytes -= p->last_io_cancelled_write_bytes;
1855 o->fix_cutime += p->last_cutime;
1856 o->fix_cstime += p->last_cstime;
1857 o->fix_cminflt += p->last_cminflt;
1858 o->fix_cmajflt += p->last_cmajflt;
1860 o->fix_utime += p->last_utime;
1861 o->fix_stime += p->last_stime;
1862 o->fix_minflt += p->last_minflt;
1863 o->fix_majflt += p->last_majflt;
1865 o->fix_io_logical_bytes_read += p->last_io_logical_bytes_read;
1866 o->fix_io_logical_bytes_written += p->last_io_logical_bytes_written;
1867 o->fix_io_read_calls += p->last_io_read_calls;
1868 o->fix_io_write_calls += p->last_io_write_calls;
1869 o->fix_io_storage_bytes_read += p->last_io_storage_bytes_read;
1870 o->fix_io_storage_bytes_written += p->last_io_storage_bytes_written;
1871 o->fix_io_cancelled_write_bytes += p->last_io_cancelled_write_bytes;
1875 // 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);
1877 // since the process has exited, the user
1878 // will see a drop in our charts, because the incremental
1879 // values of this process will not be there
1881 // add them to the fix_* values and they will be added to
1882 // the reported values, so that the report goes steady
1883 w->fix_minflt += p->minflt;
1884 w->fix_majflt += p->majflt;
1885 w->fix_utime += p->utime;
1886 w->fix_stime += p->stime;
1887 w->fix_cminflt += p->cminflt;
1888 w->fix_cmajflt += p->cmajflt;
1889 w->fix_cutime += p->cutime;
1890 w->fix_cstime += p->cstime;
1892 w->fix_io_logical_bytes_read += p->io_logical_bytes_read;
1893 w->fix_io_logical_bytes_written += p->io_logical_bytes_written;
1894 w->fix_io_read_calls += p->io_read_calls;
1895 w->fix_io_write_calls += p->io_write_calls;
1896 w->fix_io_storage_bytes_read += p->io_storage_bytes_read;
1897 w->fix_io_storage_bytes_written += p->io_storage_bytes_written;
1898 w->fix_io_cancelled_write_bytes += p->io_cancelled_write_bytes;
1903 void count_targets_fds(struct target *root) {
1907 for (w = root; w ; w = w->next) {
1908 if(!w->fds) continue;
1913 w->openinotifies = 0;
1914 w->openeventfds = 0;
1915 w->opentimerfds = 0;
1916 w->opensignalfds = 0;
1917 w->openeventpolls = 0;
1920 for(c = 1; c < all_files_size ;c++) {
1922 switch(all_files[c].type) {
1931 case FILETYPE_SOCKET:
1935 case FILETYPE_INOTIFY:
1939 case FILETYPE_EVENTFD:
1943 case FILETYPE_TIMERFD:
1947 case FILETYPE_SIGNALFD:
1951 case FILETYPE_EVENTPOLL:
1952 w->openeventpolls++;
1965 void calculate_netdata_statistics(void)
1967 link_all_processes_to_their_parents();
1968 apply_apps_groups_targets_inheritance();
1970 #ifdef AGGREGATE_CHILDREN_TO_PARENTS
1971 aggregate_children_to_parents();
1972 #endif /* AGGREGATE_CHILDREN_TO_PARENTS */
1974 zero_all_targets(users_root_target);
1975 zero_all_targets(groups_root_target);
1976 apps_groups_targets = zero_all_targets(apps_groups_root_target);
1978 #ifdef AGGREGATE_CHILDREN_TO_PARENTS
1980 debug_childrens_aggregations(0, 1);
1981 #endif /* AGGREGATE_CHILDREN_TO_PARENTS */
1983 // this has to be done, before the cleanup
1984 struct pid_stat *p = NULL;
1985 struct target *w = NULL, *o = NULL;
1987 // concentrate everything on the apps_groups_targets
1988 for(p = root_of_pids; p ; p = p->next) {
1990 // --------------------------------------------------------------------
1991 // apps_groups targets
1992 if(likely(p->target))
1993 aggregate_pid_on_target(p->target, p, NULL);
1995 error("pid %d %s was left without a target!", p->pid, p->comm);
1998 // --------------------------------------------------------------------
2001 if(likely(p->user_target && p->user_target->uid == p->uid))
2004 if(unlikely(debug && p->user_target))
2005 fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %d (%s) to %d.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid);
2007 w = p->user_target = get_users_target(p->uid);
2011 aggregate_pid_on_target(w, p, o);
2013 error("pid %d %s was left without a user target!", p->pid, p->comm);
2016 // --------------------------------------------------------------------
2018 o = p->group_target;
2019 if(likely(p->group_target && p->group_target->gid == p->gid))
2020 w = p->group_target;
2022 if(unlikely(debug && p->group_target))
2023 fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %d (%s) to %d.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid);
2025 w = p->group_target = get_groups_target(p->gid);
2029 aggregate_pid_on_target(w, p, o);
2031 error("pid %d %s was left without a group target!", p->pid, p->comm);
2035 count_targets_fds(apps_groups_root_target);
2036 count_targets_fds(users_root_target);
2037 count_targets_fds(groups_root_target);
2039 cleanup_non_existing_pids();
2042 // ----------------------------------------------------------------------------
2043 // update chart dimensions
2045 unsigned long long send_resource_usage_to_netdata() {
2046 static struct timeval last = { 0, 0 };
2047 static struct rusage me_last;
2052 unsigned long long usec;
2053 unsigned long long cpuuser;
2054 unsigned long long cpusyst;
2057 gettimeofday(&last, NULL);
2058 getrusage(RUSAGE_SELF, &me_last);
2060 // the first time, give a zero to allow
2061 // netdata calibrate to the current time
2062 // usec = update_every * 1000000ULL;
2068 gettimeofday(&now, NULL);
2069 getrusage(RUSAGE_SELF, &me);
2071 usec = usecdiff(&now, &last);
2072 cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec;
2073 cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec;
2075 bcopy(&now, &last, sizeof(struct timeval));
2076 bcopy(&me, &me_last, sizeof(struct rusage));
2079 fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec);
2080 fprintf(stdout, "SET user = %llu\n", cpuuser);
2081 fprintf(stdout, "SET system = %llu\n", cpusyst);
2082 fprintf(stdout, "END\n");
2084 fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec);
2085 fprintf(stdout, "SET files = %llu\n", file_counter);
2086 fprintf(stdout, "SET pids = %ld\n", all_pids_count);
2087 fprintf(stdout, "SET fds = %d\n", all_files_len);
2088 fprintf(stdout, "SET targets = %ld\n", apps_groups_targets);
2089 fprintf(stdout, "END\n");
2094 void send_collected_data_to_netdata(struct target *root, const char *type, unsigned long long usec)
2098 fprintf(stdout, "BEGIN %s.cpu %llu\n", type, usec);
2099 for (w = root; w ; w = w->next) {
2100 if(w->target || (!w->processes && !w->exposed)) continue;
2102 fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->stime + w->fix_utime + w->fix_stime);
2104 fprintf(stdout, "END\n");
2106 fprintf(stdout, "BEGIN %s.cpu_user %llu\n", type, usec);
2107 for (w = root; w ; w = w->next) {
2108 if(w->target || (!w->processes && !w->exposed)) continue;
2110 fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->fix_utime);
2112 fprintf(stdout, "END\n");
2114 fprintf(stdout, "BEGIN %s.cpu_system %llu\n", type, usec);
2115 for (w = root; w ; w = w->next) {
2116 if(w->target || (!w->processes && !w->exposed)) continue;
2118 fprintf(stdout, "SET %s = %llu\n", w->name, w->stime + w->fix_stime);
2120 fprintf(stdout, "END\n");
2122 fprintf(stdout, "BEGIN %s.threads %llu\n", type, usec);
2123 for (w = root; w ; w = w->next) {
2124 if(w->target || (!w->processes && !w->exposed)) continue;
2126 fprintf(stdout, "SET %s = %llu\n", w->name, w->num_threads);
2128 fprintf(stdout, "END\n");
2130 fprintf(stdout, "BEGIN %s.processes %llu\n", type, usec);
2131 for (w = root; w ; w = w->next) {
2132 if(w->target || (!w->processes && !w->exposed)) continue;
2134 fprintf(stdout, "SET %s = %lu\n", w->name, w->processes);
2136 fprintf(stdout, "END\n");
2138 fprintf(stdout, "BEGIN %s.mem %llu\n", type, usec);
2139 for (w = root; w ; w = w->next) {
2140 if(w->target || (!w->processes && !w->exposed)) continue;
2142 fprintf(stdout, "SET %s = %lld\n", w->name, (long long)w->statm_resident - (long long)w->statm_share);
2144 fprintf(stdout, "END\n");
2146 fprintf(stdout, "BEGIN %s.minor_faults %llu\n", type, usec);
2147 for (w = root; w ; w = w->next) {
2148 if(w->target || (!w->processes && !w->exposed)) continue;
2150 fprintf(stdout, "SET %s = %llu\n", w->name, w->minflt + w->fix_minflt);
2152 fprintf(stdout, "END\n");
2154 fprintf(stdout, "BEGIN %s.major_faults %llu\n", type, usec);
2155 for (w = root; w ; w = w->next) {
2156 if(w->target || (!w->processes && !w->exposed)) continue;
2158 fprintf(stdout, "SET %s = %llu\n", w->name, w->majflt + w->fix_majflt);
2160 fprintf(stdout, "END\n");
2162 fprintf(stdout, "BEGIN %s.lreads %llu\n", type, usec);
2163 for (w = root; w ; w = w->next) {
2164 if(w->target || (!w->processes && !w->exposed)) continue;
2166 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read + w->fix_io_logical_bytes_read);
2168 fprintf(stdout, "END\n");
2170 fprintf(stdout, "BEGIN %s.lwrites %llu\n", type, usec);
2171 for (w = root; w ; w = w->next) {
2172 if(w->target || (!w->processes && !w->exposed)) continue;
2174 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written + w->fix_io_logical_bytes_written);
2176 fprintf(stdout, "END\n");
2178 fprintf(stdout, "BEGIN %s.preads %llu\n", type, usec);
2179 for (w = root; w ; w = w->next) {
2180 if(w->target || (!w->processes && !w->exposed)) continue;
2182 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read + w->fix_io_storage_bytes_read);
2184 fprintf(stdout, "END\n");
2186 fprintf(stdout, "BEGIN %s.pwrites %llu\n", type, usec);
2187 for (w = root; w ; w = w->next) {
2188 if(w->target || (!w->processes && !w->exposed)) continue;
2190 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written + w->fix_io_storage_bytes_written);
2192 fprintf(stdout, "END\n");
2194 fprintf(stdout, "BEGIN %s.files %llu\n", type, usec);
2195 for (w = root; w ; w = w->next) {
2196 if(w->target || (!w->processes && !w->exposed)) continue;
2198 fprintf(stdout, "SET %s = %llu\n", w->name, w->openfiles);
2200 fprintf(stdout, "END\n");
2202 fprintf(stdout, "BEGIN %s.sockets %llu\n", type, usec);
2203 for (w = root; w ; w = w->next) {
2204 if(w->target || (!w->processes && !w->exposed)) continue;
2206 fprintf(stdout, "SET %s = %llu\n", w->name, w->opensockets);
2208 fprintf(stdout, "END\n");
2210 fprintf(stdout, "BEGIN %s.pipes %llu\n", type, usec);
2211 for (w = root; w ; w = w->next) {
2212 if(w->target || (!w->processes && !w->exposed)) continue;
2214 fprintf(stdout, "SET %s = %llu\n", w->name, w->openpipes);
2216 fprintf(stdout, "END\n");
2222 // ----------------------------------------------------------------------------
2223 // generate the charts
2225 void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
2228 int newly_added = 0;
2230 for(w = root ; w ; w = w->next)
2231 if(!w->exposed && w->processes) {
2234 if(debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
2237 // nothing more to show
2238 if(!newly_added) return;
2240 // we have something new to show
2241 // update the charts
2242 fprintf(stdout, "CHART %s.cpu '' '%s CPU Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
2243 for (w = root; w ; w = w->next) {
2244 if(w->target || (!w->processes && !w->exposed)) continue;
2246 fprintf(stdout, "DIMENSION %s '' incremental 100 %u %s\n", w->name, hz, w->hidden ? "hidden,noreset" : "noreset");
2249 fprintf(stdout, "CHART %s.mem '' '%s Dedicated Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
2250 for (w = root; w ; w = w->next) {
2251 if(w->target || (!w->processes && !w->exposed)) continue;
2253 fprintf(stdout, "DIMENSION %s '' absolute %ld %ld noreset\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
2256 fprintf(stdout, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20005 %d\n", type, title, type, update_every);
2257 for (w = root; w ; w = w->next) {
2258 if(w->target || (!w->processes && !w->exposed)) continue;
2260 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
2263 fprintf(stdout, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20004 %d\n", type, title, type, update_every);
2264 for (w = root; w ; w = w->next) {
2265 if(w->target || (!w->processes && !w->exposed)) continue;
2267 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
2270 fprintf(stdout, "CHART %s.cpu_user '' '%s CPU User Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
2271 for (w = root; w ; w = w->next) {
2272 if(w->target || (!w->processes && !w->exposed)) continue;
2274 fprintf(stdout, "DIMENSION %s '' incremental 100 %ld noreset\n", w->name, hz * processors);
2277 fprintf(stdout, "CHART %s.cpu_system '' '%s CPU System Time (%ld%% = %ld core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
2278 for (w = root; w ; w = w->next) {
2279 if(w->target || (!w->processes && !w->exposed)) continue;
2281 fprintf(stdout, "DIMENSION %s '' incremental 100 %ld noreset\n", w->name, hz * processors);
2284 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);
2285 for (w = root; w ; w = w->next) {
2286 if(w->target || (!w->processes && !w->exposed)) continue;
2288 fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
2291 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);
2292 for (w = root; w ; w = w->next) {
2293 if(w->target || (!w->processes && !w->exposed)) continue;
2295 fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
2298 fprintf(stdout, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every);
2299 for (w = root; w ; w = w->next) {
2300 if(w->target || (!w->processes && !w->exposed)) continue;
2302 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
2305 fprintf(stdout, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every);
2306 for (w = root; w ; w = w->next) {
2307 if(w->target || (!w->processes && !w->exposed)) continue;
2309 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
2312 fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every);
2313 for (w = root; w ; w = w->next) {
2314 if(w->target || (!w->processes && !w->exposed)) continue;
2316 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
2319 fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
2320 for (w = root; w ; w = w->next) {
2321 if(w->target || (!w->processes && !w->exposed)) continue;
2323 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
2326 fprintf(stdout, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type, title, type, update_every);
2327 for (w = root; w ; w = w->next) {
2328 if(w->target || (!w->processes && !w->exposed)) continue;
2330 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
2333 fprintf(stdout, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n", type, title, type, update_every);
2334 for (w = root; w ; w = w->next) {
2335 if(w->target || (!w->processes && !w->exposed)) continue;
2337 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
2340 fprintf(stdout, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type, title, type, update_every);
2341 for (w = root; w ; w = w->next) {
2342 if(w->target || (!w->processes && !w->exposed)) continue;
2344 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
2349 // ----------------------------------------------------------------------------
2350 // parse command line arguments
2352 void parse_args(int argc, char **argv)
2357 for(i = 1; i < argc; i++) {
2359 int n = atoi(argv[i]);
2366 if(strcmp("debug", argv[i]) == 0) {
2368 debug_flags = 0xffffffff;
2377 error("Cannot understand option %s", argv[i]);
2381 if(freq > 0) update_every = freq;
2382 if(!name) name = "groups";
2384 if(read_apps_groups_conf(name)) {
2385 error("Cannot read process groups %s", name);
2390 unsigned long long sutime() {
2392 gettimeofday(&now, NULL);
2393 return now.tv_sec * 1000000ULL + now.tv_usec;
2396 int main(int argc, char **argv)
2398 // debug_flags = D_PROCFILE;
2400 // set the name for logging
2401 program_name = "apps.plugin";
2403 // disable syslog for apps.plugin
2404 error_log_syslog = 0;
2406 host_prefix = getenv("NETDATA_HOST_PREFIX");
2407 if(host_prefix == NULL) {
2408 info("NETDATA_HOST_PREFIX is not passed from netdata");
2411 else info("Found NETDATA_HOST_PREFIX='%s'", host_prefix);
2413 config_dir = getenv("NETDATA_CONFIG_DIR");
2414 if(config_dir == NULL) {
2415 info("NETDATA_CONFIG_DIR is not passed from netdata");
2416 config_dir = CONFIG_DIR;
2418 else info("Found NETDATA_CONFIG_DIR='%s'", config_dir);
2420 info("starting...");
2422 procfile_adaptive_initial_allocation = 1;
2424 time_t started_t = time(NULL);
2427 pid_max = get_system_pid_max();
2428 processors = get_system_cpus();
2430 parse_args(argc, argv);
2432 all_pids = calloc(sizeof(struct pid_stat *), (size_t) pid_max);
2434 error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
2435 printf("DISABLE\n");
2439 fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %d\n", update_every);
2440 fprintf(stdout, "DIMENSION user '' incremental 1 %d\n", 1000);
2441 fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000);
2443 fprintf(stdout, "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_files line 140001 %d\n", update_every);
2444 fprintf(stdout, "DIMENSION files '' incremental 1 1\n");
2445 fprintf(stdout, "DIMENSION pids '' absolute 1 1\n");
2446 fprintf(stdout, "DIMENSION fds '' absolute 1 1\n");
2447 fprintf(stdout, "DIMENSION targets '' absolute 1 1\n");
2450 #ifndef PROFILING_MODE
2451 unsigned long long sunext = (time(NULL) - (time(NULL) % update_every) + update_every) * 1000000ULL;
2452 unsigned long long sunow;
2453 #endif /* PROFILING_MODE */
2455 unsigned long long counter = 1;
2456 for(;1; counter++) {
2457 #ifndef PROFILING_MODE
2458 // delay until it is our time to run
2459 while((sunow = sutime()) < sunext)
2460 usleep((useconds_t)(sunext - sunow));
2462 // find the next time we need to run
2463 while(sutime() > sunext)
2464 sunext += update_every * 1000000ULL;
2465 #endif /* PROFILING_MODE */
2467 if(!collect_data_for_all_processes_from_proc()) {
2468 error("Cannot collect /proc data for running processes. Disabling apps.plugin...");
2469 printf("DISABLE\n");
2473 calculate_netdata_statistics();
2475 unsigned long long dt = send_resource_usage_to_netdata();
2477 // this is smart enough to show only newly added apps, when needed
2478 send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps");
2479 send_charts_updates_to_netdata(users_root_target, "users", "Users");
2480 send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups");
2482 send_collected_data_to_netdata(apps_groups_root_target, "apps", dt);
2483 send_collected_data_to_netdata(users_root_target, "users", dt);
2484 send_collected_data_to_netdata(groups_root_target, "groups", dt);
2486 if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
2489 current_t = time(NULL);
2491 #ifndef PROFILING_MODE
2492 // restart check (14400 seconds)
2493 if(current_t - started_t > 14400) exit(0);
2495 if(current_t - started_t > 10) exit(0);
2496 #endif /* PROFILING_MODE */