3 // 1. support -ch option to set global /proc and /sys prefix
4 // 2. disable RESET_OR_OVERFLOW check in charts
14 #include <sys/types.h>
18 #include <sys/resource.h>
29 #include <arpa/inet.h>
36 #define MAX_COMPARE_NAME 15
39 unsigned long long Hertz = 1;
46 unsigned long long file_counter = 0;
48 #define PROC_BUFFER 4096
50 // ----------------------------------------------------------------------------
57 } allocations = { 0, 0, 0 };
59 #define MALLOC_MARK (uint32_t)(0x0BADCAFE)
60 #define MALLOC_PREFIX (sizeof(uint32_t) * 2)
61 #define MALLOC_SUFFIX (sizeof(uint32_t))
62 #define MALLOC_OVERHEAD (MALLOC_PREFIX + MALLOC_SUFFIX)
64 void *mark_allocation(void *allocated_ptr, size_t size_without_overheads) {
65 uint32_t *real_ptr = (uint32_t *)allocated_ptr;
66 real_ptr[0] = MALLOC_MARK;
67 real_ptr[1] = size_without_overheads;
69 uint32_t *end_ptr = (uint32_t *)(allocated_ptr + MALLOC_PREFIX + size_without_overheads);
70 end_ptr[0] = MALLOC_MARK;
72 // fprintf(stderr, "MEMORY_POINTER: Allocated at %p, returning %p.\n", allocated_ptr, (void *)(allocated_ptr + MALLOC_PREFIX));
74 return (void *)(allocated_ptr + MALLOC_PREFIX);
77 void *check_allocation(const char *file, int line, const char *function, void *marked_ptr, size_t *size_without_overheads_ptr) {
78 uint32_t *real_ptr = (uint32_t *)(marked_ptr - MALLOC_PREFIX);
80 // 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);
82 if(real_ptr[0] != MALLOC_MARK) fatal("MEMORY: prefix MARK is not valid for %s/%u@%s.", function, line, file);
84 size_t size = real_ptr[1];
86 uint32_t *end_ptr = (uint32_t *)(marked_ptr + size);
87 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);
89 if(size_without_overheads_ptr) *size_without_overheads_ptr = size;
94 void *malloc_debug(const char *file, int line, const char *function, size_t size) {
95 void *ptr = malloc(size + MALLOC_OVERHEAD);
96 if(!ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
98 allocations.allocated += size;
99 allocations.allocations++;
101 debug(D_MEMORY, "MEMORY: Allocated %zu bytes for %s/%u@%s."
102 " Status: allocated %zu in %zu allocs."
104 , function, line, file
105 , allocations.allocated
106 , allocations.allocations
109 if(allocations.allocated > allocations.allocated_max) {
110 debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
111 allocations.allocated_max = allocations.allocated;
115 check_allocation(file, line, function, mark_allocation(ptr, size), &csize);
117 fatal("Invalid size.");
120 return mark_allocation(ptr, size);
123 void *calloc_debug(const char *file, int line, const char *function, size_t nmemb, size_t size) {
124 void *ptr = malloc_debug(file, line, function, (nmemb * size));
125 bzero(ptr, nmemb * size);
129 void free_debug(const char *file, int line, const char *function, void *ptr) {
131 void *real_ptr = check_allocation(file, line, function, ptr, &size);
133 bzero(real_ptr, size + MALLOC_OVERHEAD);
136 allocations.allocated -= size;
137 allocations.allocations--;
139 debug(D_MEMORY, "MEMORY: freed %zu bytes for %s/%u@%s."
140 " Status: allocated %zu in %zu allocs."
142 , function, line, file
143 , allocations.allocated
144 , allocations.allocations
148 void *realloc_debug(const char *file, int line, const char *function, void *ptr, size_t size) {
149 if(!ptr) return malloc_debug(file, line, function, size);
150 if(!size) { free_debug(file, line, function, ptr); return NULL; }
153 void *real_ptr = check_allocation(file, line, function, ptr, &old_size);
155 void *new_ptr = realloc(real_ptr, size + MALLOC_OVERHEAD);
156 if(!new_ptr) fatal("MEMORY: Cannot allocate %zu bytes for %s/%u@%s.", size, function, line, file);
158 allocations.allocated += size;
159 allocations.allocated -= old_size;
161 debug(D_MEMORY, "MEMORY: Re-allocated from %zu to %zu bytes for %s/%u@%s."
162 " Status: allocated %z in %zu allocs."
164 , function, line, file
165 , allocations.allocated
166 , allocations.allocations
169 if(allocations.allocated > allocations.allocated_max) {
170 debug(D_MEMORY, "MEMORY: total allocation peak increased from %zu to %zu", allocations.allocated_max, allocations.allocated);
171 allocations.allocated_max = allocations.allocated;
174 return mark_allocation(new_ptr, size);
177 char *strdup_debug(const char *file, int line, const char *function, const char *ptr) {
184 char *p = malloc_debug(file, line, function, size);
185 if(!p) fatal("Cannot allocate %zu bytes.", size);
187 memcpy(p, ptr, size);
191 #define malloc(size) malloc_debug(__FILE__, __LINE__, __FUNCTION__, (size))
192 #define calloc(nmemb, size) calloc_debug(__FILE__, __LINE__, __FUNCTION__, (nmemb), (size))
193 #define realloc(ptr, size) realloc_debug(__FILE__, __LINE__, __FUNCTION__, (ptr), (size))
194 #define free(ptr) free_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
199 #define strdup(ptr) strdup_debug(__FILE__, __LINE__, __FUNCTION__, (ptr))
201 // ----------------------------------------------------------------------------
206 long get_processors(void) {
209 ff = procfile_reopen(ff, "/proc/stat", "", PROCFILE_FLAG_DEFAULT);
212 ff = procfile_readall(ff);
214 // procfile_close(ff);
219 for(i = 0; i < procfile_lines(ff); i++) {
220 if(!procfile_linewords(ff, i)) continue;
222 if(strncmp(procfile_lineword(ff, i, 0), "cpu", 3) == 0) processors++;
225 if(processors < 1) processors = 1;
227 // procfile_close(ff);
231 long get_pid_max(void) {
234 ff = procfile_reopen(ff, "/proc/sys/kernel/pid_max", "", PROCFILE_FLAG_DEFAULT);
237 ff = procfile_readall(ff);
239 // procfile_close(ff);
243 mpid = atol(procfile_lineword(ff, 0, 0));
244 if(!mpid) mpid = 32768;
246 // procfile_close(ff);
250 unsigned long long get_hertz(void)
252 unsigned long long hz = 1;
255 if((hz = sysconf(_SC_CLK_TCK)) > 0) {
261 hz = (unsigned long long)HZ; /* <asm/param.h> */
263 /* If 32-bit or big-endian (not Alpha or ia64), assume HZ is 100. */
264 hz = (sizeof(long)==sizeof(int) || htons(999)==999) ? 100UL : 1024UL;
267 error("Unknown HZ value. Assuming %llu.", hz);
272 // ----------------------------------------------------------------------------
274 // target is the point to aggregate a process tree values
277 char compare[MAX_COMPARE_NAME + 1];
278 char id[MAX_NAME + 1];
279 char name[MAX_NAME + 1];
281 unsigned long long minflt;
282 unsigned long long cminflt;
283 unsigned long long majflt;
284 unsigned long long cmajflt;
285 unsigned long long utime;
286 unsigned long long stime;
287 unsigned long long cutime;
288 unsigned long long cstime;
289 unsigned long long num_threads;
290 unsigned long long rss;
292 unsigned long long fix_minflt;
293 unsigned long long fix_cminflt;
294 unsigned long long fix_majflt;
295 unsigned long long fix_cmajflt;
296 unsigned long long fix_utime;
297 unsigned long long fix_stime;
298 unsigned long long fix_cutime;
299 unsigned long long fix_cstime;
301 unsigned long long statm_size;
302 unsigned long long statm_resident;
303 unsigned long long statm_share;
304 unsigned long long statm_text;
305 unsigned long long statm_lib;
306 unsigned long long statm_data;
307 unsigned long long statm_dirty;
309 unsigned long long io_logical_bytes_read;
310 unsigned long long io_logical_bytes_written;
311 unsigned long long io_read_calls;
312 unsigned long long io_write_calls;
313 unsigned long long io_storage_bytes_read;
314 unsigned long long io_storage_bytes_written;
315 unsigned long long io_cancelled_write_bytes;
317 unsigned long long fix_io_logical_bytes_read;
318 unsigned long long fix_io_logical_bytes_written;
319 unsigned long long fix_io_read_calls;
320 unsigned long long fix_io_write_calls;
321 unsigned long long fix_io_storage_bytes_read;
322 unsigned long long fix_io_storage_bytes_written;
323 unsigned long long fix_io_cancelled_write_bytes;
326 unsigned long long openfiles;
327 unsigned long long openpipes;
328 unsigned long long opensockets;
329 unsigned long long openinotifies;
330 unsigned long long openeventfds;
331 unsigned long long opentimerfds;
332 unsigned long long opensignalfds;
333 unsigned long long openeventpolls;
334 unsigned long long openother;
336 unsigned long processes; // how many processes have been merged to this
337 int exposed; // if set, we have sent this to netdata
338 int hidden; // if set, we set the hidden flag on the dimension
341 struct target *target; // the one that will be reported to netdata
343 } *target_root = NULL, *default_target = NULL;
347 // find or create a target
348 // there are targets that are just agregated to other target (the second argument)
349 struct target *get_target(const char *id, struct target *target)
351 const char *nid = id;
352 if(nid[0] == '-') nid++;
355 for(w = target_root ; w ; w = w->next)
356 if(strncmp(nid, w->id, MAX_NAME) == 0) return w;
358 w = calloc(sizeof(struct target), 1);
360 error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct target));
364 strncpy(w->id, nid, MAX_NAME);
365 strncpy(w->name, nid, MAX_NAME);
366 strncpy(w->compare, nid, MAX_COMPARE_NAME);
367 if(id[0] == '-') w->hidden = 1;
371 w->next = target_root;
374 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:"");
379 // read the process groups file
380 int read_process_groups(const char *name)
383 char filename[FILENAME_MAX + 1];
385 snprintf(filename, FILENAME_MAX, "%s/apps_%s.conf", CONFIG_DIR, name);
387 if(debug) fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
388 FILE *fp = fopen(filename, "r");
390 error("Cannot open file '%s' (%s)", filename, strerror(errno));
395 while(fgets(buffer, 4096, fp) != NULL) {
396 int whidden = 0, wdebug = 0;
399 // if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", buffer);
401 char *s = buffer, *t, *p;
403 if(!s || !*s || *s == '#') continue;
405 if(debug) fprintf(stderr, "apps.plugin: \tread %s\n", s);
410 if(!t || !*t) continue;
432 if(debug) fprintf(stderr, "apps.plugin: \t\ttarget %s\n", t);
434 struct target *w = NULL;
438 while((p = strsep(&s, " "))) {
440 if(!p || !*p) continue;
442 struct target *n = get_target(p, w);
450 if(w) strncpy(w->name, t, MAX_NAME);
451 if(!count) error("The line %ld on file '%s', for group '%s' does not state any process names.", line, filename, t);
455 default_target = get_target("+p!o@w#e$i^r&7*5(-i)l-o_", NULL); // match nothing
456 strncpy(default_target->name, "other", MAX_NAME);
462 // ----------------------------------------------------------------------------
463 // data to store for each pid
468 char comm[MAX_COMPARE_NAME + 1];
476 unsigned long long minflt;
477 unsigned long long cminflt;
478 unsigned long long majflt;
479 unsigned long long cmajflt;
480 unsigned long long utime;
481 unsigned long long stime;
482 unsigned long long cutime;
483 unsigned long long cstime;
487 // int64_t itrealvalue;
488 // unsigned long long starttime;
489 // unsigned long long vsize;
490 unsigned long long rss;
491 // unsigned long long rsslim;
492 // unsigned long long starcode;
493 // unsigned long long endcode;
494 // unsigned long long startstack;
495 // unsigned long long kstkesp;
496 // unsigned long long kstkeip;
499 // uint64_t sigignore;
500 // uint64_t sigcatch;
504 // int32_t exit_signal;
505 // int32_t processor;
506 // uint32_t rt_priority;
508 // unsigned long long delayacct_blkio_ticks;
509 // uint64_t guest_time;
510 // int64_t cguest_time;
512 unsigned long long statm_size;
513 unsigned long long statm_resident;
514 unsigned long long statm_share;
515 unsigned long long statm_text;
516 unsigned long long statm_lib;
517 unsigned long long statm_data;
518 unsigned long long statm_dirty;
520 unsigned long long io_logical_bytes_read;
521 unsigned long long io_logical_bytes_written;
522 unsigned long long io_read_calls;
523 unsigned long long io_write_calls;
524 unsigned long long io_storage_bytes_read;
525 unsigned long long io_storage_bytes_written;
526 unsigned long long io_cancelled_write_bytes;
528 #ifdef INCLUDE_CHILDS
529 unsigned long long old_utime;
530 unsigned long long old_stime;
531 unsigned long long old_minflt;
532 unsigned long long old_majflt;
534 unsigned long long old_cutime;
535 unsigned long long old_cstime;
536 unsigned long long old_cminflt;
537 unsigned long long old_cmajflt;
539 unsigned long long fix_cutime;
540 unsigned long long fix_cstime;
541 unsigned long long fix_cminflt;
542 unsigned long long fix_cmajflt;
544 unsigned long long diff_cutime;
545 unsigned long long diff_cstime;
546 unsigned long long diff_cminflt;
547 unsigned long long diff_cmajflt;
550 int *fds; // array of fds it uses
551 int fds_size; // the size of the fds array
553 int childs; // number of processes directly referencing this
554 int updated; // 1 when update
555 int merged; // 1 when it has been merged to its parent
557 struct target *target;
558 struct pid_stat *parent;
559 struct pid_stat *prev;
560 struct pid_stat *next;
561 } *root_of_pids = NULL, **all_pids;
563 long all_pids_count = 0;
565 struct pid_stat *get_pid_entry(pid_t pid)
568 all_pids[pid]->new_entry = 0;
569 return all_pids[pid];
572 all_pids[pid] = calloc(sizeof(struct pid_stat), 1);
574 error("Cannot allocate %lu bytes of memory", (unsigned long)sizeof(struct pid_stat));
578 all_pids[pid]->fds = calloc(sizeof(int), 100);
579 if(!all_pids[pid]->fds)
580 error("Cannot allocate %ld bytes of memory", (unsigned long)(sizeof(int) * 100));
581 else all_pids[pid]->fds_size = 100;
583 if(root_of_pids) root_of_pids->prev = all_pids[pid];
584 all_pids[pid]->next = root_of_pids;
585 root_of_pids = all_pids[pid];
587 all_pids[pid]->pid = pid;
588 all_pids[pid]->new_entry = 1;
590 return all_pids[pid];
593 void del_pid_entry(pid_t pid)
595 if(!all_pids[pid]) return;
597 if(debug) fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, all_pids[pid]->comm);
599 if(root_of_pids == all_pids[pid]) root_of_pids = all_pids[pid]->next;
600 if(all_pids[pid]->next) all_pids[pid]->next->prev = all_pids[pid]->prev;
601 if(all_pids[pid]->prev) all_pids[pid]->prev->next = all_pids[pid]->next;
603 if(all_pids[pid]->fds) free(all_pids[pid]->fds);
605 all_pids[pid] = NULL;
609 // ----------------------------------------------------------------------------
610 // update pids from proc
612 int read_proc_pid_stat(struct pid_stat *p) {
613 char filename[FILENAME_MAX + 1];
615 snprintf(filename, FILENAME_MAX, "/proc/%d/stat", p->pid);
617 ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
620 ff = procfile_readall(ff);
622 // procfile_close(ff);
629 p->comm[MAX_COMPARE_NAME] = '\0';
632 char *s = procfile_lineword(ff, 0, 1);
634 size_t len = strlen(s);
636 while(len && s[len - 1] != ')') {
637 if(blen < MAX_COMPARE_NAME) {
638 strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
639 blen = strlen(p->comm);
643 s = procfile_lineword(ff, 0, 1+i);
646 if(len && s[len - 1] == ')') s[len - 1] = '\0';
647 if(blen < MAX_COMPARE_NAME)
648 strncpy(&p->comm[blen], s, MAX_COMPARE_NAME - blen);
650 // p->pid = atol(procfile_lineword(ff, 0, 0+i));
652 // p->state = *(procfile_lineword(ff, 0, 2+i));
653 p->ppid = atol(procfile_lineword(ff, 0, 3+i));
654 // p->pgrp = atol(procfile_lineword(ff, 0, 4+i));
655 // p->session = atol(procfile_lineword(ff, 0, 5+i));
656 // p->tty_nr = atol(procfile_lineword(ff, 0, 6+i));
657 // p->tpgid = atol(procfile_lineword(ff, 0, 7+i));
658 // p->flags = strtoull(procfile_lineword(ff, 0, 8+i), NULL, 10);
659 p->minflt = strtoull(procfile_lineword(ff, 0, 9+i), NULL, 10);
660 p->cminflt = strtoull(procfile_lineword(ff, 0, 10+i), NULL, 10);
661 p->majflt = strtoull(procfile_lineword(ff, 0, 11+i), NULL, 10);
662 p->cmajflt = strtoull(procfile_lineword(ff, 0, 12+i), NULL, 10);
663 p->utime = strtoull(procfile_lineword(ff, 0, 13+i), NULL, 10);
664 p->stime = strtoull(procfile_lineword(ff, 0, 14+i), NULL, 10);
665 p->cutime = strtoull(procfile_lineword(ff, 0, 15+i), NULL, 10);
666 p->cstime = strtoull(procfile_lineword(ff, 0, 16+i), NULL, 10);
667 // p->priority = strtoull(procfile_lineword(ff, 0, 17+i), NULL, 10);
668 // p->nice = strtoull(procfile_lineword(ff, 0, 18+i), NULL, 10);
669 p->num_threads = atol(procfile_lineword(ff, 0, 19+i));
670 // p->itrealvalue = strtoull(procfile_lineword(ff, 0, 20+i), NULL, 10);
671 // p->starttime = strtoull(procfile_lineword(ff, 0, 21+i), NULL, 10);
672 // p->vsize = strtoull(procfile_lineword(ff, 0, 22+i), NULL, 10);
673 p->rss = strtoull(procfile_lineword(ff, 0, 23+i), NULL, 10);
674 // p->rsslim = strtoull(procfile_lineword(ff, 0, 24+i), NULL, 10);
675 // p->starcode = strtoull(procfile_lineword(ff, 0, 25+i), NULL, 10);
676 // p->endcode = strtoull(procfile_lineword(ff, 0, 26+i), NULL, 10);
677 // p->startstack = strtoull(procfile_lineword(ff, 0, 27+i), NULL, 10);
678 // p->kstkesp = strtoull(procfile_lineword(ff, 0, 28+i), NULL, 10);
679 // p->kstkeip = strtoull(procfile_lineword(ff, 0, 29+i), NULL, 10);
680 // p->signal = strtoull(procfile_lineword(ff, 0, 30+i), NULL, 10);
681 // p->blocked = strtoull(procfile_lineword(ff, 0, 31+i), NULL, 10);
682 // p->sigignore = strtoull(procfile_lineword(ff, 0, 32+i), NULL, 10);
683 // p->sigcatch = strtoull(procfile_lineword(ff, 0, 33+i), NULL, 10);
684 // p->wchan = strtoull(procfile_lineword(ff, 0, 34+i), NULL, 10);
685 // p->nswap = strtoull(procfile_lineword(ff, 0, 35+i), NULL, 10);
686 // p->cnswap = strtoull(procfile_lineword(ff, 0, 36+i), NULL, 10);
687 // p->exit_signal = atol(procfile_lineword(ff, 0, 37+i));
688 // p->processor = atol(procfile_lineword(ff, 0, 38+i));
689 // p->rt_priority = strtoul(procfile_lineword(ff, 0, 39+i), NULL, 10);
690 // p->policy = strtoul(procfile_lineword(ff, 0, 40+i), NULL, 10);
691 // p->delayacct_blkio_ticks = strtoull(procfile_lineword(ff, 0, 41+i), NULL, 10);
692 // p->guest_time = strtoull(procfile_lineword(ff, 0, 42+i), NULL, 10);
693 // p->cguest_time = strtoull(procfile_lineword(ff, 0, 43), NULL, 10);
695 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);
697 // procfile_close(ff);
701 int read_proc_pid_statm(struct pid_stat *p) {
702 char filename[FILENAME_MAX + 1];
704 snprintf(filename, FILENAME_MAX, "/proc/%d/statm", p->pid);
706 ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
709 ff = procfile_readall(ff);
711 // procfile_close(ff);
717 p->statm_size = strtoull(procfile_lineword(ff, 0, 0), NULL, 10);
718 p->statm_resident = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
719 p->statm_share = strtoull(procfile_lineword(ff, 0, 2), NULL, 10);
720 p->statm_text = strtoull(procfile_lineword(ff, 0, 3), NULL, 10);
721 p->statm_lib = strtoull(procfile_lineword(ff, 0, 4), NULL, 10);
722 p->statm_data = strtoull(procfile_lineword(ff, 0, 5), NULL, 10);
723 p->statm_dirty = strtoull(procfile_lineword(ff, 0, 6), NULL, 10);
725 // procfile_close(ff);
729 int read_proc_pid_io(struct pid_stat *p) {
730 char filename[FILENAME_MAX + 1];
732 snprintf(filename, FILENAME_MAX, "/proc/%d/io", p->pid);
734 ff = procfile_reopen(ff, filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
737 ff = procfile_readall(ff);
739 // procfile_close(ff);
745 p->io_logical_bytes_read = strtoull(procfile_lineword(ff, 0, 1), NULL, 10);
746 p->io_logical_bytes_written = strtoull(procfile_lineword(ff, 1, 1), NULL, 10);
747 p->io_read_calls = strtoull(procfile_lineword(ff, 2, 1), NULL, 10);
748 p->io_write_calls = strtoull(procfile_lineword(ff, 3, 1), NULL, 10);
749 p->io_storage_bytes_read = strtoull(procfile_lineword(ff, 4, 1), NULL, 10);
750 p->io_storage_bytes_written = strtoull(procfile_lineword(ff, 5, 1), NULL, 10);
751 p->io_cancelled_write_bytes = strtoull(procfile_lineword(ff, 6, 1), NULL, 10);
753 // procfile_close(ff);
758 // ----------------------------------------------------------------------------
760 #ifdef INCLUDE_CHILDS
761 // print a tree view of all processes
762 int walk_down(pid_t pid, int level) {
763 struct pid_stat *p = NULL;
767 for(i = 0; i < level; i++) b[i] = '\t';
772 for(p = root_of_pids; p ; p = p->next) {
774 ret += walk_down(p->pid, level+1);
780 if(!p->updated) ret += 1;
781 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"
782 , b, p->comm, p->pid, p->updated?"OK":"KILLED", p->target->name, p->childs
783 , p->utime, p->utime - p->old_utime
784 , p->stime, p->stime - p->old_stime
785 , p->cutime, p->cutime - p->old_cutime
786 , p->cstime, p->cstime - p->old_cstime
787 , p->minflt, p->minflt - p->old_minflt
788 , p->majflt, p->majflt - p->old_majflt
789 , p->cminflt, p->cminflt - p->old_cminflt
790 , p->cmajflt, p->cmajflt - p->old_cmajflt
799 // ----------------------------------------------------------------------------
801 // this is used to keep a global list of all open files of the system
802 // it is needed in order to figure out the unique files a process tree has open
804 #define FILE_DESCRIPTORS_INCREASE_STEP 100
806 struct file_descriptor {
816 int all_files_len = 0;
817 int all_files_size = 0;
819 int file_descriptor_compare(void* a, void* b) {
820 if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
821 error("Corrupted index data detected. Please report this.");
823 if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
825 else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
827 else return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
829 int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
831 avl_tree all_files_index = {
833 file_descriptor_compare
836 static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
837 struct file_descriptor *result = NULL, tmp;
838 tmp.hash = (hash)?hash:simple_hash(name);
842 tmp.magic = 0x0BADCAFE;
844 avl_search(&all_files_index, (avl *)&tmp, file_descriptor_iterator, (avl **)&result);
848 #define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
849 #define file_descriptor_remove(fd) avl_remove(&all_files_index, (avl *)(fd))
851 #define FILETYPE_OTHER 0
852 #define FILETYPE_FILE 1
853 #define FILETYPE_PIPE 2
854 #define FILETYPE_SOCKET 3
855 #define FILETYPE_INOTIFY 4
856 #define FILETYPE_EVENTFD 5
857 #define FILETYPE_EVENTPOLL 6
858 #define FILETYPE_TIMERFD 7
859 #define FILETYPE_SIGNALFD 8
861 void file_descriptor_not_used(int id)
863 if(id > 0 && id < all_files_size) {
864 if(all_files[id].magic != 0x0BADCAFE) {
865 error("Ignoring request to remove empty file id %d.", id);
869 if(debug) fprintf(stderr, "apps.plugin: decreasing slot %d (count = %ld).\n", id, all_files[id].count);
871 if(all_files[id].count > 0) {
872 all_files[id].count--;
874 if(!all_files[id].count) {
875 if(debug) fprintf(stderr, "apps.plugin: >> slot %d is empty.\n", id);
876 file_descriptor_remove(&all_files[id]);
877 all_files[id].magic = 0x00000000;
882 error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
884 else error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
887 unsigned long file_descriptor_find_or_add(const char *name)
889 static int last_pos = 0;
890 uint32_t hash = simple_hash(name);
892 if(debug) fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
894 struct file_descriptor *fd = file_descriptor_find(name, hash);
897 if(debug) fprintf(stderr, "apps.plugin: >> found on slot %ld\n", fd->pos);
903 // check we have enough memory to add it
904 if(!all_files || all_files_len == all_files_size) {
905 void *old = all_files;
908 // there is no empty slot
909 if(debug) fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
910 all_files = realloc(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
912 // if the address changed, we have to rebuild the index
913 // since all pointers are now invalid
914 if(old && old != (void *)all_files) {
915 if(debug) fprintf(stderr, "apps.plugin: >> re-indexing.\n");
916 all_files_index.root = NULL;
917 for(i = 0; i < all_files_size; i++) {
918 if(!all_files[i].count) continue;
919 file_descriptor_add(&all_files[i]);
921 if(debug) fprintf(stderr, "apps.plugin: >> re-indexing done.\n");
924 for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
925 all_files[i].count = 0;
926 all_files[i].name = NULL;
927 all_files[i].magic = 0x00000000;
928 all_files[i].pos = i;
931 if(!all_files_size) all_files_len = 1;
932 all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
935 if(debug) fprintf(stderr, "apps.plugin: >> searching for empty slot.\n");
937 // search for an empty slot
939 for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
940 if(c >= all_files_size) c = 0;
943 if(!all_files[c].count) {
944 if(debug) fprintf(stderr, "apps.plugin: >> Examining slot %d.\n", c);
946 if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
947 error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
949 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);
950 if(all_files[c].name) free((void *)all_files[c].name);
951 all_files[c].name = NULL;
956 if(i == all_files_size) {
957 fatal("We should find an empty slot, but there isn't any");
960 if(debug) fprintf(stderr, "apps.plugin: >> updating slot %d.\n", c);
964 // else we have an empty slot in 'c'
966 int type = FILETYPE_OTHER;
967 if(name[0] == '/') type = FILETYPE_FILE;
968 else if(strncmp(name, "pipe:", 5) == 0) type = FILETYPE_PIPE;
969 else if(strncmp(name, "socket:", 7) == 0) type = FILETYPE_SOCKET;
970 else if(strcmp(name, "anon_inode:inotify") == 0 || strcmp(name, "inotify") == 0) type = FILETYPE_INOTIFY;
971 else if(strcmp(name, "anon_inode:[eventfd]") == 0) type = FILETYPE_EVENTFD;
972 else if(strcmp(name, "anon_inode:[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
973 else if(strcmp(name, "anon_inode:[timerfd]") == 0) type = FILETYPE_TIMERFD;
974 else if(strcmp(name, "anon_inode:[signalfd]") == 0) type = FILETYPE_SIGNALFD;
975 else if(strncmp(name, "anon_inode:", 11) == 0) {
976 if(debug) fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
977 type = FILETYPE_OTHER;
980 if(debug) fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
981 type = FILETYPE_OTHER;
984 all_files[c].name = strdup(name);
985 all_files[c].hash = hash;
986 all_files[c].type = type;
987 all_files[c].pos = c;
988 all_files[c].count = 1;
989 all_files[c].magic = 0x0BADCAFE;
991 file_descriptor_add(&all_files[c]);
993 if(debug) fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
999 // 1. read all files in /proc
1000 // 2. for each numeric directory:
1001 // i. read /proc/pid/stat
1002 // ii. read /proc/pid/statm
1003 // iii. read /proc/pid/io (requires root access)
1004 // iii. read the entries in directory /proc/pid/fd (requires root access)
1006 // a. find or create a struct file_descriptor
1007 // b. cleanup any old/unused file_descriptors
1009 // after all these, some pids may be linked to targets, while others may not
1011 // in case of errors, only 1 every 1000 errors is printed
1012 // to avoid filling up all disk space
1013 // if debug is enabled, all errors are printed
1015 int update_from_proc(void)
1017 static long count_errors = 0;
1019 char filename[FILENAME_MAX+1];
1020 DIR *dir = opendir("/proc");
1023 struct dirent *file = NULL;
1024 struct pid_stat *p = NULL;
1026 // mark them all as un-updated
1028 for(p = root_of_pids; p ; p = p->next) {
1037 while((file = readdir(dir))) {
1038 char *endptr = file->d_name;
1039 pid_t pid = strtoul(file->d_name, &endptr, 10);
1040 if(pid <= 0 || pid > pid_max || endptr == file->d_name || *endptr != '\0') continue;
1042 p = get_pid_entry(pid);
1045 // --------------------------------------------------------------------
1048 if(read_proc_pid_stat(p)) {
1049 if(!count_errors++ || debug || (p->target && p->target->debug))
1050 error("Cannot process /proc/%d/stat", pid);
1054 if(p->ppid < 0 || p->ppid > pid_max) p->ppid = 0;
1057 // --------------------------------------------------------------------
1058 // /proc/<pid>/statm
1060 if(read_proc_pid_statm(p)) {
1061 if(!count_errors++ || debug || (p->target && p->target->debug))
1062 error("Cannot process /proc/%d/statm", pid);
1068 // --------------------------------------------------------------------
1071 if(read_proc_pid_io(p)) {
1072 if(!count_errors++ || debug || (p->target && p->target->debug))
1073 error("Cannot process /proc/%d/io", pid);
1078 // --------------------------------------------------------------------
1081 // check if it is target
1082 // we do this only once, the first time this pid is loaded
1084 if(debug) fprintf(stderr, "apps.plugin: \tJust added %s\n", p->comm);
1087 for(w = target_root; w ; w = w->next) {
1088 // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
1090 if(strcmp(w->compare, p->comm) == 0) {
1091 if(w->target) p->target = w->target;
1094 if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
1099 // --------------------------------------------------------------------
1102 snprintf(filename, FILENAME_MAX, "/proc/%s/fd", file->d_name);
1103 DIR *fds = opendir(filename);
1107 char fdname[FILENAME_MAX + 1];
1108 char linkname[FILENAME_MAX + 1];
1110 // make the array negative
1111 for(c = 0 ; c < p->fds_size ; c++) p->fds[c] = -p->fds[c];
1113 while((de = readdir(fds))) {
1114 if(strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
1116 // check if the fds array is small
1117 int fdid = atol(de->d_name);
1118 if(fdid < 0) continue;
1119 if(fdid >= p->fds_size) {
1120 // it is small, extend it
1121 if(debug) fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + 100);
1122 p->fds = realloc(p->fds, (fdid + 100) * sizeof(int));
1124 error("Cannot re-allocate fds for %s", p->comm);
1128 // and initialize it
1129 for(c = p->fds_size ; c < (fdid + 100) ; c++) p->fds[c] = 0;
1130 p->fds_size = fdid + 100;
1133 if(p->fds[fdid] == 0) {
1134 // we don't know this fd, get it
1136 sprintf(fdname, "/proc/%s/fd/%s", file->d_name, de->d_name);
1137 int l = readlink(fdname, linkname, FILENAME_MAX);
1139 if(debug || (p->target && p->target->debug)) {
1140 if(!count_errors++ || debug || (p->target && p->target->debug))
1141 error("Cannot read link %s", fdname);
1148 // if another process already has this, we will get
1150 p->fds[fdid] = file_descriptor_find_or_add(linkname);
1153 // else make it positive again, we need it
1154 // of course, the actual file may have changed, but we don't care so much
1155 // FIXME: we could compare the inode as returned by readdir direct structure
1156 else p->fds[fdid] = -p->fds[fdid];
1160 // remove all the negative file descriptors
1161 for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] < 0) {
1162 file_descriptor_not_used(-p->fds[c]);
1167 // --------------------------------------------------------------------
1170 // mark it as updated
1173 if(count_errors > 1000) {
1174 error("%ld more errors encountered\n", count_errors - 1);
1184 // ----------------------------------------------------------------------------
1185 // update statistics on the targets
1187 // 1. link all childs to their parents
1188 // 2. go from bottom to top, marking as merged all childs to their parents
1189 // this step links all parents without a target to the child target, if any
1190 // 3. link all top level processes (the ones not merged) to the default target
1191 // 4. go from top to bottom, linking all childs without a target, to their parent target
1192 // after this step, all processes have a target
1193 // [5. for each killed pid (updated = 0), remove its usage from its target]
1194 // 6. zero all targets
1195 // 7. concentrate all values on the targets
1196 // 8. remove all killed processes
1197 // 9. find the unique file count for each target
1199 void update_statistics(void)
1202 struct pid_stat *p = NULL;
1204 // link all parents and update childs count
1205 for(p = root_of_pids; p ; p = p->next) {
1206 if(p->ppid > 0 && p->ppid <= pid_max && all_pids[p->ppid]) {
1207 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);
1209 p->parent = all_pids[p->ppid];
1210 p->parent->childs++;
1212 else if(p->ppid != 0) error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
1215 // find all the procs with 0 childs and merge them to their parents
1216 // repeat, until nothing more can be done.
1220 for(p = root_of_pids; p ; p = p->next) {
1221 // if this process does not have any childs, and
1222 // is not already merged, and
1223 // its parent has childs waiting to be merged, and
1224 // 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
1225 // and its parent is not init
1226 // then... merge them!
1227 if(!p->childs && !p->merged && p->parent && p->parent->childs && (p->target == p->parent->target || !p->parent->target || !p->target) && p->ppid != 1) {
1228 p->parent->childs--;
1231 // the parent inherits the child's target, if it does not have a target itself
1232 if(p->target && !p->parent->target) {
1233 p->parent->target = p->target;
1234 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);
1240 if(debug) fprintf(stderr, "apps.plugin: merged %d processes\n", found);
1243 // give a default target on all top level processes
1244 // init goes always to default target
1245 if(all_pids[1]) all_pids[1]->target = default_target;
1247 for(p = root_of_pids; p ; p = p->next) {
1248 // if the process is not merged itself
1249 // then is is a top level process
1250 if(!p->merged && !p->target) p->target = default_target;
1252 #ifdef INCLUDE_CHILDS
1253 // by the way, update the diffs
1254 // will be used later for substracting killed process times
1255 p->diff_cutime = p->utime - p->cutime;
1256 p->diff_cstime = p->stime - p->cstime;
1257 p->diff_cminflt = p->minflt - p->cminflt;
1258 p->diff_cmajflt = p->majflt - p->cmajflt;
1262 // give a target to all merged child processes
1266 for(p = root_of_pids; p ; p = p->next) {
1267 if(!p->target && p->merged && p->parent && p->parent->target) {
1268 p->target = p->parent->target;
1274 #ifdef INCLUDE_CHILDS
1275 // for each killed process, remove its values from the parents
1276 // sums (we had already added them in a previous loop)
1277 for(p = root_of_pids; p ; p = p->next) {
1278 if(p->updated) continue;
1280 if(debug) fprintf(stderr, "apps.plugin: UNMERGING %d %s\n", p->pid, p->comm);
1282 unsigned long long diff_utime = p->utime + p->cutime + p->fix_cutime;
1283 unsigned long long diff_stime = p->stime + p->cstime + p->fix_cstime;
1284 unsigned long long diff_minflt = p->minflt + p->cminflt + p->fix_cminflt;
1285 unsigned long long diff_majflt = p->majflt + p->cmajflt + p->fix_cmajflt;
1287 struct pid_stat *t = p;
1288 while((t = t->parent)) {
1289 if(!t->updated) continue;
1291 unsigned long long x;
1292 if(diff_utime && t->diff_cutime) {
1293 x = (t->diff_cutime < diff_utime)?t->diff_cutime:diff_utime;
1295 t->diff_cutime -= x;
1297 if(debug) fprintf(stderr, "apps.plugin: \t cutime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1299 if(diff_stime && t->diff_cstime) {
1300 x = (t->diff_cstime < diff_stime)?t->diff_cstime:diff_stime;
1302 t->diff_cstime -= x;
1304 if(debug) fprintf(stderr, "apps.plugin: \t cstime %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1306 if(diff_minflt && t->diff_cminflt) {
1307 x = (t->diff_cminflt < diff_minflt)?t->diff_cminflt:diff_minflt;
1309 t->diff_cminflt -= x;
1310 t->fix_cminflt += x;
1311 if(debug) fprintf(stderr, "apps.plugin: \t cminflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1313 if(diff_majflt && t->diff_cmajflt) {
1314 x = (t->diff_cmajflt < diff_majflt)?t->diff_cmajflt:diff_majflt;
1316 t->diff_cmajflt -= x;
1317 t->fix_cmajflt += x;
1318 if(debug) fprintf(stderr, "apps.plugin: \t cmajflt %llu from %d %s %s\n", x, t->pid, t->comm, t->target->name);
1322 if(diff_utime) error("Cannot fix up utime %llu", diff_utime);
1323 if(diff_stime) error("Cannot fix up stime %llu", diff_stime);
1324 if(diff_minflt) error("Cannot fix up minflt %llu", diff_minflt);
1325 if(diff_majflt) error("Cannot fix up majflt %llu", diff_majflt);
1329 // zero all the targets
1332 for (w = target_root; w ; w = w->next) {
1335 w->fds = calloc(sizeof(int), all_files_size);
1337 error("Cannot allocate memory for fds in %s", w->name);
1352 w->statm_resident = 0;
1359 w->io_logical_bytes_read = 0;
1360 w->io_logical_bytes_written = 0;
1361 w->io_read_calls = 0;
1362 w->io_write_calls = 0;
1363 w->io_storage_bytes_read = 0;
1364 w->io_storage_bytes_written = 0;
1365 w->io_cancelled_write_bytes = 0;
1368 #ifdef INCLUDE_CHILDS
1369 if(debug) walk_down(0, 1);
1372 // concentrate everything on the targets
1373 for(p = root_of_pids; p ; p = p->next) {
1375 error("pid %d %s was left without a target!", p->pid, p->comm);
1380 p->target->cutime += p->cutime; // - p->fix_cutime;
1381 p->target->cstime += p->cstime; // - p->fix_cstime;
1382 p->target->cminflt += p->cminflt; // - p->fix_cminflt;
1383 p->target->cmajflt += p->cmajflt; // - p->fix_cmajflt;
1385 p->target->utime += p->utime; //+ (p->pid != 1)?(p->cutime - p->fix_cutime):0;
1386 p->target->stime += p->stime; //+ (p->pid != 1)?(p->cstime - p->fix_cstime):0;
1387 p->target->minflt += p->minflt; //+ (p->pid != 1)?(p->cminflt - p->fix_cminflt):0;
1388 p->target->majflt += p->majflt; //+ (p->pid != 1)?(p->cmajflt - p->fix_cmajflt):0;
1390 //if(p->num_threads < 0)
1391 // error("Negative threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
1393 //if(p->num_threads > 10000)
1394 // error("Excessive threads number for pid '%s' (%d): %d", p->comm, p->pid, p->num_threads);
1396 p->target->num_threads += p->num_threads;
1397 p->target->rss += p->rss;
1399 p->target->statm_size += p->statm_size;
1400 p->target->statm_resident += p->statm_resident;
1401 p->target->statm_share += p->statm_share;
1402 p->target->statm_text += p->statm_text;
1403 p->target->statm_lib += p->statm_lib;
1404 p->target->statm_data += p->statm_data;
1405 p->target->statm_dirty += p->statm_dirty;
1407 p->target->io_logical_bytes_read += p->io_logical_bytes_read;
1408 p->target->io_logical_bytes_written += p->io_logical_bytes_written;
1409 p->target->io_read_calls += p->io_read_calls;
1410 p->target->io_write_calls += p->io_write_calls;
1411 p->target->io_storage_bytes_read += p->io_storage_bytes_read;
1412 p->target->io_storage_bytes_written += p->io_storage_bytes_written;
1413 p->target->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
1415 p->target->processes++;
1417 for(c = 0; c < p->fds_size ;c++) {
1418 if(p->fds[c] == 0) continue;
1419 if(p->fds[c] < all_files_size) {
1420 if(p->target->fds) p->target->fds[p->fds[c]]++;
1423 error("Invalid fd number %d", p->fds[c]);
1426 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);
1428 /* 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);
1429 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);
1430 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);
1431 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);
1432 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);
1433 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);
1434 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);
1435 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);
1437 #ifdef INCLUDE_CHILDS
1438 p->old_utime = p->utime;
1439 p->old_cutime = p->cutime;
1440 p->old_stime = p->stime;
1441 p->old_cstime = p->cstime;
1442 p->old_minflt = p->minflt;
1443 p->old_majflt = p->majflt;
1444 p->old_cminflt = p->cminflt;
1445 p->old_cmajflt = p->cmajflt;
1449 // since the process has exited, the user
1450 // will see a drop in our charts, because the incremental
1451 // values of this process will not be there
1453 // add them to the fix_* values and they will be added to
1454 // the reported values, so that the report goes steady
1455 p->target->fix_minflt += p->minflt;
1456 p->target->fix_majflt += p->majflt;
1457 p->target->fix_utime += p->utime;
1458 p->target->fix_stime += p->stime;
1459 p->target->fix_cminflt += p->cminflt;
1460 p->target->fix_cmajflt += p->cmajflt;
1461 p->target->fix_cutime += p->cutime;
1462 p->target->fix_cstime += p->cstime;
1464 p->target->fix_io_logical_bytes_read += p->io_logical_bytes_read;
1465 p->target->fix_io_logical_bytes_written += p->io_logical_bytes_written;
1466 p->target->fix_io_read_calls += p->io_read_calls;
1467 p->target->fix_io_write_calls += p->io_write_calls;
1468 p->target->fix_io_storage_bytes_read += p->io_storage_bytes_read;
1469 p->target->fix_io_storage_bytes_written += p->io_storage_bytes_written;
1470 p->target->fix_io_cancelled_write_bytes += p->io_cancelled_write_bytes;
1474 // fprintf(stderr, "\n");
1475 // cleanup all un-updated processed (exited, killed, etc)
1476 for(p = root_of_pids; p ;) {
1478 // 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);
1480 for(c = 0 ; c < p->fds_size ; c++) if(p->fds[c] > 0) {
1481 file_descriptor_not_used(p->fds[c]);
1492 for (w = target_root; w ; w = w->next) {
1496 w->openinotifies = 0;
1497 w->openeventfds = 0;
1498 w->opentimerfds = 0;
1499 w->opensignalfds = 0;
1500 w->openeventpolls = 0;
1503 for(c = 1; c < all_files_size ;c++) {
1504 if(w->fds && w->fds[c] > 0) switch(all_files[c].type) {
1513 case FILETYPE_SOCKET:
1517 case FILETYPE_INOTIFY:
1521 case FILETYPE_EVENTFD:
1525 case FILETYPE_TIMERFD:
1529 case FILETYPE_SIGNALFD:
1533 case FILETYPE_EVENTPOLL:
1534 w->openeventpolls++;
1547 // ----------------------------------------------------------------------------
1548 // update chart dimensions
1550 void show_dimensions(void)
1552 static struct timeval last = { 0, 0 };
1553 static struct rusage me_last;
1559 unsigned long long usec;
1560 unsigned long long cpuuser;
1561 unsigned long long cpusyst;
1564 gettimeofday(&last, NULL);
1565 getrusage(RUSAGE_SELF, &me_last);
1567 // the first time, give a zero to allow
1568 // netdata calibrate to the current time
1569 // usec = update_every * 1000000ULL;
1575 gettimeofday(&now, NULL);
1576 getrusage(RUSAGE_SELF, &me);
1578 usec = usecdiff(&now, &last);
1579 cpuuser = me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec;
1580 cpusyst = me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec;
1582 bcopy(&now, &last, sizeof(struct timeval));
1583 bcopy(&me, &me_last, sizeof(struct rusage));
1586 fprintf(stdout, "BEGIN apps.cpu %llu\n", usec);
1587 for (w = target_root; w ; w = w->next) {
1588 if(w->target || (!w->processes && !w->exposed)) continue;
1590 fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->stime + w->fix_utime + w->fix_stime);
1592 fprintf(stdout, "END\n");
1594 fprintf(stdout, "BEGIN apps.cpu_user %llu\n", usec);
1595 for (w = target_root; w ; w = w->next) {
1596 if(w->target || (!w->processes && !w->exposed)) continue;
1598 fprintf(stdout, "SET %s = %llu\n", w->name, w->utime + w->fix_utime);
1600 fprintf(stdout, "END\n");
1602 fprintf(stdout, "BEGIN apps.cpu_system %llu\n", usec);
1603 for (w = target_root; w ; w = w->next) {
1604 if(w->target || (!w->processes && !w->exposed)) continue;
1606 fprintf(stdout, "SET %s = %llu\n", w->name, w->stime + w->fix_stime);
1608 fprintf(stdout, "END\n");
1610 fprintf(stdout, "BEGIN apps.threads %llu\n", usec);
1611 for (w = target_root; w ; w = w->next) {
1612 if(w->target || (!w->processes && !w->exposed)) continue;
1614 fprintf(stdout, "SET %s = %llu\n", w->name, w->num_threads);
1616 fprintf(stdout, "END\n");
1618 fprintf(stdout, "BEGIN apps.processes %llu\n", usec);
1619 for (w = target_root; w ; w = w->next) {
1620 if(w->target || (!w->processes && !w->exposed)) continue;
1622 fprintf(stdout, "SET %s = %lu\n", w->name, w->processes);
1624 fprintf(stdout, "END\n");
1626 fprintf(stdout, "BEGIN apps.mem %llu\n", usec);
1627 for (w = target_root; w ; w = w->next) {
1628 if(w->target || (!w->processes && !w->exposed)) continue;
1630 fprintf(stdout, "SET %s = %lld\n", w->name, (long long)w->statm_resident - (long long)w->statm_share);
1632 fprintf(stdout, "END\n");
1634 fprintf(stdout, "BEGIN apps.minor_faults %llu\n", usec);
1635 for (w = target_root; w ; w = w->next) {
1636 if(w->target || (!w->processes && !w->exposed)) continue;
1638 fprintf(stdout, "SET %s = %llu\n", w->name, w->minflt + w->fix_minflt);
1640 fprintf(stdout, "END\n");
1642 fprintf(stdout, "BEGIN apps.major_faults %llu\n", usec);
1643 for (w = target_root; w ; w = w->next) {
1644 if(w->target || (!w->processes && !w->exposed)) continue;
1646 fprintf(stdout, "SET %s = %llu\n", w->name, w->majflt + w->fix_majflt);
1648 fprintf(stdout, "END\n");
1650 fprintf(stdout, "BEGIN apps.lreads %llu\n", usec);
1651 for (w = target_root; w ; w = w->next) {
1652 if(w->target || (!w->processes && !w->exposed)) continue;
1654 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_read);
1656 fprintf(stdout, "END\n");
1658 fprintf(stdout, "BEGIN apps.lwrites %llu\n", usec);
1659 for (w = target_root; w ; w = w->next) {
1660 if(w->target || (!w->processes && !w->exposed)) continue;
1662 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_logical_bytes_written);
1664 fprintf(stdout, "END\n");
1666 fprintf(stdout, "BEGIN apps.preads %llu\n", usec);
1667 for (w = target_root; w ; w = w->next) {
1668 if(w->target || (!w->processes && !w->exposed)) continue;
1670 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_read);
1672 fprintf(stdout, "END\n");
1674 fprintf(stdout, "BEGIN apps.pwrites %llu\n", usec);
1675 for (w = target_root; w ; w = w->next) {
1676 if(w->target || (!w->processes && !w->exposed)) continue;
1678 fprintf(stdout, "SET %s = %llu\n", w->name, w->io_storage_bytes_written);
1680 fprintf(stdout, "END\n");
1682 fprintf(stdout, "BEGIN apps.files %llu\n", usec);
1683 for (w = target_root; w ; w = w->next) {
1684 if(w->target || (!w->processes && !w->exposed)) continue;
1686 fprintf(stdout, "SET %s = %llu\n", w->name, w->openfiles);
1688 fprintf(stdout, "END\n");
1690 fprintf(stdout, "BEGIN apps.sockets %llu\n", usec);
1691 for (w = target_root; w ; w = w->next) {
1692 if(w->target || (!w->processes && !w->exposed)) continue;
1694 fprintf(stdout, "SET %s = %llu\n", w->name, w->opensockets);
1696 fprintf(stdout, "END\n");
1698 fprintf(stdout, "BEGIN apps.pipes %llu\n", usec);
1699 for (w = target_root; w ; w = w->next) {
1700 if(w->target || (!w->processes && !w->exposed)) continue;
1702 fprintf(stdout, "SET %s = %llu\n", w->name, w->openpipes);
1704 fprintf(stdout, "END\n");
1706 fprintf(stdout, "BEGIN netdata.apps_cpu %llu\n", usec);
1707 fprintf(stdout, "SET user = %llu\n", cpuuser);
1708 fprintf(stdout, "SET system = %llu\n", cpusyst);
1709 fprintf(stdout, "END\n");
1711 fprintf(stdout, "BEGIN netdata.apps_files %llu\n", usec);
1712 fprintf(stdout, "SET files = %llu\n", file_counter);
1713 fprintf(stdout, "SET pids = %ld\n", all_pids_count);
1714 fprintf(stdout, "SET fds = %d\n", all_files_len);
1715 fprintf(stdout, "SET targets = %ld\n", targets);
1716 fprintf(stdout, "END\n");
1722 // ----------------------------------------------------------------------------
1723 // generate the charts
1725 void show_charts(void)
1728 int newly_added = 0;
1730 for(w = target_root ; w ; w = w->next)
1731 if(!w->exposed && w->processes) {
1734 if(debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
1737 // nothing more to show
1738 if(!newly_added) return;
1740 // we have something new to show
1741 // update the charts
1742 fprintf(stdout, "CHART apps.cpu '' 'Apps CPU Time (%ld%% = %ld core%s)' 'cpu time %%' apps apps stacked 20001 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
1743 for (w = target_root; w ; w = w->next) {
1744 if(w->target || (!w->processes && !w->exposed)) continue;
1746 fprintf(stdout, "DIMENSION %s '' incremental 100 %llu %s\n", w->name, (unsigned long long)(Hertz), w->hidden?"hidden,noreset":"noreset");
1749 fprintf(stdout, "CHART apps.mem '' 'Apps Dedicated Memory (w/o shared)' 'MB' apps apps stacked 20003 %d\n", update_every);
1750 for (w = target_root; w ; w = w->next) {
1751 if(w->target || (!w->processes && !w->exposed)) continue;
1753 fprintf(stdout, "DIMENSION %s '' absolute %ld %ld noreset\n", w->name, sysconf(_SC_PAGESIZE), 1024L*1024L);
1756 fprintf(stdout, "CHART apps.threads '' 'Apps Threads' 'threads' apps apps stacked 20005 %d\n", update_every);
1757 for (w = target_root; w ; w = w->next) {
1758 if(w->target || (!w->processes && !w->exposed)) continue;
1760 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
1763 fprintf(stdout, "CHART apps.processes '' 'Apps Processes' 'processes' apps apps stacked 20004 %d\n", update_every);
1764 for (w = target_root; w ; w = w->next) {
1765 if(w->target || (!w->processes && !w->exposed)) continue;
1767 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
1770 fprintf(stdout, "CHART apps.cpu_user '' 'Apps CPU User Time (%ld%% = %ld core%s)' 'cpu time %%' apps none stacked 20020 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
1771 for (w = target_root; w ; w = w->next) {
1772 if(w->target || (!w->processes && !w->exposed)) continue;
1774 fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
1777 fprintf(stdout, "CHART apps.cpu_system '' 'Apps CPU System Time (%ld%% = %ld core%s)' 'cpu time %%' apps none stacked 20021 %d\n", (processors * 100), processors, (processors>1)?"s":"", update_every);
1778 for (w = target_root; w ; w = w->next) {
1779 if(w->target || (!w->processes && !w->exposed)) continue;
1781 fprintf(stdout, "DIMENSION %s '' incremental 100 %llu noreset\n", w->name, Hertz * processors);
1784 fprintf(stdout, "CHART apps.major_faults '' 'Apps Major Page Faults (swaps in)' 'page faults/s' apps apps stacked 20010 %d\n", update_every);
1785 for (w = target_root; w ; w = w->next) {
1786 if(w->target || (!w->processes && !w->exposed)) continue;
1788 fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
1791 fprintf(stdout, "CHART apps.minor_faults '' 'Apps Minor Page Faults' 'page faults/s' apps none stacked 20011 %d\n", update_every);
1792 for (w = target_root; w ; w = w->next) {
1793 if(w->target || (!w->processes && !w->exposed)) continue;
1795 fprintf(stdout, "DIMENSION %s '' incremental 1 1 noreset\n", w->name);
1798 fprintf(stdout, "CHART apps.lreads '' 'Apps Disk Logical Reads' 'kilobytes/s' apps none stacked 20042 %d\n", update_every);
1799 for (w = target_root; w ; w = w->next) {
1800 if(w->target || (!w->processes && !w->exposed)) continue;
1802 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
1805 fprintf(stdout, "CHART apps.lwrites '' 'Apps I/O Logical Writes' 'kilobytes/s' apps none stacked 20042 %d\n", update_every);
1806 for (w = target_root; w ; w = w->next) {
1807 if(w->target || (!w->processes && !w->exposed)) continue;
1809 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
1812 fprintf(stdout, "CHART apps.preads '' 'Apps Disk Reads' 'kilobytes/s' apps apps stacked 20002 %d\n", update_every);
1813 for (w = target_root; w ; w = w->next) {
1814 if(w->target || (!w->processes && !w->exposed)) continue;
1816 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
1819 fprintf(stdout, "CHART apps.pwrites '' 'Apps Disk Writes' 'kilobytes/s' apps apps stacked 20002 %d\n", update_every);
1820 for (w = target_root; w ; w = w->next) {
1821 if(w->target || (!w->processes && !w->exposed)) continue;
1823 fprintf(stdout, "DIMENSION %s '' incremental 1 %d noreset\n", w->name, 1024);
1826 fprintf(stdout, "CHART apps.files '' 'Apps Open Files' 'open files' apps apps stacked 20050 %d\n", update_every);
1827 for (w = target_root; w ; w = w->next) {
1828 if(w->target || (!w->processes && !w->exposed)) continue;
1830 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
1833 fprintf(stdout, "CHART apps.sockets '' 'Apps Open Sockets' 'open sockets' apps apps stacked 20051 %d\n", update_every);
1834 for (w = target_root; w ; w = w->next) {
1835 if(w->target || (!w->processes && !w->exposed)) continue;
1837 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
1840 fprintf(stdout, "CHART apps.pipes '' 'Apps Pipes' 'open pipes' apps none stacked 20053 %d\n", update_every);
1841 for (w = target_root; w ; w = w->next) {
1842 if(w->target || (!w->processes && !w->exposed)) continue;
1844 fprintf(stdout, "DIMENSION %s '' absolute 1 1 noreset\n", w->name);
1847 fprintf(stdout, "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' netdata netdata stacked 10000 %d\n", update_every);
1848 fprintf(stdout, "DIMENSION user '' incremental 1 %d\n", 1000);
1849 fprintf(stdout, "DIMENSION system '' incremental 1 %d\n", 1000);
1851 fprintf(stdout, "CHART netdata.apps_files '' 'Apps Plugin Files' 'files/s' netdata netdata line 10001 %d\n", update_every);
1852 fprintf(stdout, "DIMENSION files '' incremental 1 1\n");
1853 fprintf(stdout, "DIMENSION pids '' absolute 1 1\n");
1854 fprintf(stdout, "DIMENSION fds '' absolute 1 1\n");
1855 fprintf(stdout, "DIMENSION targets '' absolute 1 1\n");
1861 // ----------------------------------------------------------------------------
1862 // parse command line arguments
1864 void parse_args(int argc, char **argv)
1869 for(i = 1; i < argc; i++) {
1871 int n = atoi(argv[i]);
1878 if(strcmp("debug", argv[i]) == 0) {
1880 debug_flags = 0xffffffff;
1889 error("Cannot understand option %s", argv[i]);
1893 if(freq > 0) update_every = freq;
1894 if(!name) name = "groups";
1896 if(read_process_groups(name)) {
1897 error("Cannot read process groups %s", name);
1902 int main(int argc, char **argv)
1904 // debug_flags = D_PROCFILE;
1906 // set the name for logging
1907 program_name = "apps.plugin";
1909 info("starting...");
1911 procfile_adaptive_initial_allocation = 1;
1913 unsigned long started_t = time(NULL), current_t;
1914 Hertz = get_hertz();
1915 pid_max = get_pid_max();
1916 processors = get_processors();
1918 parse_args(argc, argv);
1920 all_pids = calloc(sizeof(struct pid_stat *), pid_max);
1922 error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
1923 printf("DISABLE\n");
1927 unsigned long long counter = 1;
1928 unsigned long long usec = 0, susec = 0;
1929 struct timeval last, now;
1930 gettimeofday(&last, NULL);
1932 for(;1; counter++) {
1933 if(!update_from_proc()) {
1934 error("Cannot allocate %lu bytes of memory.", sizeof(struct pid_stat *) * pid_max);
1935 printf("DISABLE\n");
1939 update_statistics();
1940 show_charts(); // this is smart enough to show only newly added apps, when needed
1943 if(debug) fprintf(stderr, "apps.plugin: done Loop No %llu\n", counter);
1946 gettimeofday(&now, NULL);
1947 usec = usecdiff(&now, &last) - susec;
1948 if(debug) fprintf(stderr, "apps.plugin: last loop took %llu usec (worked for %llu, sleeped for %llu).\n", usec + susec, usec, susec);
1950 // if the last loop took less than half the time
1951 // wait the rest of the time
1952 if(usec < (update_every * 1000000ULL / 2)) susec = (update_every * 1000000ULL) - usec;
1953 else susec = update_every * 1000000ULL / 2;
1956 bcopy(&now, &last, sizeof(struct timeval));
1958 current_t = time(NULL);
1959 if(current_t - started_t > 3600) exit(0);