1 #define NETDATA_RRD_INTERNALS 1
4 #define RRD_DEFAULT_GAP_INTERPOLATIONS 1
6 void __rrdset_check_rdlock(RRDSET *st, const char *file, const char *function, const unsigned long line) {
7 debug(D_RRD_CALLS, "Checking read lock on chart '%s'", st->id);
9 int ret = netdata_rwlock_trywrlock(&st->rrdset_rwlock);
11 fatal("RRDSET '%s' should be read-locked, but it is not, at function %s() at line %lu of file '%s'", st->id, function, line, file);
14 void __rrdset_check_wrlock(RRDSET *st, const char *file, const char *function, const unsigned long line) {
15 debug(D_RRD_CALLS, "Checking write lock on chart '%s'", st->id);
17 int ret = netdata_rwlock_tryrdlock(&st->rrdset_rwlock);
19 fatal("RRDSET '%s' should be write-locked, but it is not, at function %s() at line %lu of file '%s'", st->id, function, line, file);
23 // ----------------------------------------------------------------------------
26 int rrdset_compare(void* a, void* b) {
27 if(((RRDSET *)a)->hash < ((RRDSET *)b)->hash) return -1;
28 else if(((RRDSET *)a)->hash > ((RRDSET *)b)->hash) return 1;
29 else return strcmp(((RRDSET *)a)->id, ((RRDSET *)b)->id);
32 static RRDSET *rrdset_index_find(RRDHOST *host, const char *id, uint32_t hash) {
34 strncpyz(tmp.id, id, RRD_ID_LENGTH_MAX);
35 tmp.hash = (hash)?hash:simple_hash(tmp.id);
37 return (RRDSET *)avl_search_lock(&(host->rrdset_root_index), (avl *) &tmp);
40 // ----------------------------------------------------------------------------
43 #define rrdset_from_avlname(avlname_ptr) ((RRDSET *)((avlname_ptr) - offsetof(RRDSET, avlname)))
45 int rrdset_compare_name(void* a, void* b) {
46 RRDSET *A = rrdset_from_avlname(a);
47 RRDSET *B = rrdset_from_avlname(b);
49 // fprintf(stderr, "COMPARING: %s with %s\n", A->name, B->name);
51 if(A->hash_name < B->hash_name) return -1;
52 else if(A->hash_name > B->hash_name) return 1;
53 else return strcmp(A->name, B->name);
56 RRDSET *rrdset_index_add_name(RRDHOST *host, RRDSET *st) {
58 // fprintf(stderr, "ADDING: %s (name: %s)\n", st->id, st->name);
59 result = avl_insert_lock(&host->rrdset_root_index_name, (avl *) (&st->avlname));
60 if(result) return rrdset_from_avlname(result);
64 RRDSET *rrdset_index_del_name(RRDHOST *host, RRDSET *st) {
66 // fprintf(stderr, "DELETING: %s (name: %s)\n", st->id, st->name);
67 result = (RRDSET *)avl_remove_lock(&((host)->rrdset_root_index_name), (avl *)(&st->avlname));
68 if(result) return rrdset_from_avlname(result);
73 // ----------------------------------------------------------------------------
74 // RRDSET - find charts
76 static inline RRDSET *rrdset_index_find_name(RRDHOST *host, const char *name, uint32_t hash) {
80 tmp.hash_name = (hash)?hash:simple_hash(tmp.name);
82 // fprintf(stderr, "SEARCHING: %s\n", name);
83 result = avl_search_lock(&host->rrdset_root_index_name, (avl *) (&(tmp.avlname)));
85 RRDSET *st = rrdset_from_avlname(result);
86 if(strcmp(st->magic, RRDSET_MAGIC))
87 error("Search for RRDSET %s returned an invalid RRDSET %s (name %s)", name, st->id, st->name);
89 // fprintf(stderr, "FOUND: %s\n", name);
90 return rrdset_from_avlname(result);
92 // fprintf(stderr, "NOT FOUND: %s\n", name);
96 inline RRDSET *rrdset_find(RRDHOST *host, const char *id) {
97 debug(D_RRD_CALLS, "rrdset_find() for chart '%s' in host '%s'", id, host->hostname);
98 RRDSET *st = rrdset_index_find(host, id, 0);
102 inline RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *id) {
103 debug(D_RRD_CALLS, "rrdset_find_bytype() for chart '%s.%s' in host '%s'", type, id, host->hostname);
105 char buf[RRD_ID_LENGTH_MAX + 1];
106 strncpyz(buf, type, RRD_ID_LENGTH_MAX - 1);
108 int len = (int) strlen(buf);
109 strncpyz(&buf[len], id, (size_t) (RRD_ID_LENGTH_MAX - len));
111 return(rrdset_find(host, buf));
114 inline RRDSET *rrdset_find_byname(RRDHOST *host, const char *name) {
115 debug(D_RRD_CALLS, "rrdset_find_byname() for chart '%s' in host '%s'", name, host->hostname);
116 RRDSET *st = rrdset_index_find_name(host, name, 0);
120 // ----------------------------------------------------------------------------
121 // RRDSET - rename charts
123 char *rrdset_strncpyz_name(char *to, const char *from, size_t length) {
126 while (length-- && (c = *from++)) {
127 if(c != '.' && !isalnum(c))
138 void rrdset_set_name(RRDSET *st, const char *name) {
139 if(unlikely(st->name && !strcmp(st->name, name)))
142 debug(D_RRD_CALLS, "rrdset_set_name() old: %s, new: %s", st->name, name);
144 char b[CONFIG_MAX_VALUE + 1];
145 char n[RRD_ID_LENGTH_MAX + 1];
147 snprintfz(n, RRD_ID_LENGTH_MAX, "%s.%s", st->type, name);
148 rrdset_strncpyz_name(b, n, CONFIG_MAX_VALUE);
151 rrdset_index_del_name(st->rrdhost, st);
152 st->name = config_set_default(st->config_section, "name", b);
153 st->hash_name = simple_hash(st->name);
154 rrdsetvar_rename_all(st);
157 st->name = config_get(st->config_section, "name", b);
158 st->hash_name = simple_hash(st->name);
163 rrddim_foreach_write(rd, st)
164 rrddimvar_rename_all(rd);
167 if(unlikely(rrdset_index_add_name(st->rrdhost, st) != st))
168 error("RRDSET: INTERNAL ERROR: attempted to index duplicate chart name '%s'", st->name);
172 // ----------------------------------------------------------------------------
173 // RRDSET - reset a chart
175 void rrdset_reset(RRDSET *st) {
176 debug(D_RRD_CALLS, "rrdset_reset() %s", st->name);
178 st->last_collected_time.tv_sec = 0;
179 st->last_collected_time.tv_usec = 0;
180 st->last_updated.tv_sec = 0;
181 st->last_updated.tv_usec = 0;
182 st->current_entry = 0;
184 st->counter_done = 0;
187 rrddim_foreach_read(rd, st) {
188 rd->last_collected_time.tv_sec = 0;
189 rd->last_collected_time.tv_usec = 0;
190 rd->collections_counter = 0;
191 memset(rd->values, 0, rd->entries * sizeof(storage_number));
195 // ----------------------------------------------------------------------------
196 // RRDSET - helpers for rrdset_create()
198 inline long align_entries_to_pagesize(RRD_MEMORY_MODE mode, long entries) {
199 if(unlikely(entries < 5)) entries = 5;
200 if(unlikely(entries > RRD_HISTORY_ENTRIES_MAX)) entries = RRD_HISTORY_ENTRIES_MAX;
202 if(unlikely(mode == RRD_MEMORY_MODE_NONE || mode == RRD_MEMORY_MODE_RAM))
205 long page = (size_t)sysconf(_SC_PAGESIZE);
206 long size = sizeof(RRDDIM) + entries * sizeof(storage_number);
207 if(unlikely(size % page)) {
208 size -= (size % page);
211 long n = (size - sizeof(RRDDIM)) / sizeof(storage_number);
218 static inline void last_collected_time_align(struct timeval *tv, int update_every) {
219 tv->tv_sec -= tv->tv_sec % update_every;
220 tv->tv_usec = 500000;
223 static inline void last_updated_time_align(struct timeval *tv, int update_every) {
224 tv->tv_sec -= tv->tv_sec % update_every;
228 // ----------------------------------------------------------------------------
229 // RRDSET - free a chart
231 void rrdset_free(RRDSET *st) {
232 if(unlikely(!st)) return;
234 rrdhost_check_wrlock(st->rrdhost); // make sure we have a write lock on the host
235 rrdset_wrlock(st); // lock this RRDSET
237 // info("Removing chart '%s' ('%s')", st->id, st->name);
239 // ------------------------------------------------------------------------
240 // remove it from the indexes
242 if(unlikely(rrdset_index_del(st->rrdhost, st) != st))
243 error("RRDSET: INTERNAL ERROR: attempt to remove from index chart '%s', removed a different chart.", st->id);
245 rrdset_index_del_name(st->rrdhost, st);
247 // ------------------------------------------------------------------------
248 // free its children structures
250 while(st->variables) rrdsetvar_free(st->variables);
251 while(st->alarms) rrdsetcalc_unlink(st->alarms);
252 while(st->dimensions) rrddim_free(st, st->dimensions);
254 rrdfamily_free(st->rrdhost, st->rrdfamily);
256 // ------------------------------------------------------------------------
257 // unlink it from the host
259 if(st == st->rrdhost->rrdset_root) {
260 st->rrdhost->rrdset_root = st->next;
263 // find the previous one
265 for(s = st->rrdhost->rrdset_root; s && s->next != st ; s = s->next) ;
268 if(s) s->next = st->next;
269 else error("Request to free RRDSET '%s': cannot find it under host '%s'", st->id, st->rrdhost->hostname);
274 // ------------------------------------------------------------------------
277 netdata_rwlock_destroy(&st->rrdset_rwlock);
279 // free directly allocated members
280 freez(st->config_section);
282 if(st->rrd_memory_mode == RRD_MEMORY_MODE_SAVE || st->rrd_memory_mode == RRD_MEMORY_MODE_MAP) {
283 debug(D_RRD_CALLS, "Unmapping stats '%s'.", st->name);
284 munmap(st, st->memsize);
290 void rrdset_save(RRDSET *st) {
293 rrdset_check_rdlock(st);
295 // info("Saving chart '%s' ('%s')", st->id, st->name);
297 if(st->rrd_memory_mode == RRD_MEMORY_MODE_SAVE) {
298 debug(D_RRD_STATS, "Saving stats '%s' to '%s'.", st->name, st->cache_filename);
299 savememory(st->cache_filename, st, st->memsize);
302 rrddim_foreach_read(rd, st) {
303 if(likely(rd->rrd_memory_mode == RRD_MEMORY_MODE_SAVE)) {
304 debug(D_RRD_STATS, "Saving dimension '%s' to '%s'.", rd->name, rd->cache_filename);
305 savememory(rd->cache_filename, rd, rd->memsize);
310 void rrdset_delete(RRDSET *st) {
313 rrdset_check_rdlock(st);
315 // info("Deleting chart '%s' ('%s')", st->id, st->name);
317 if(st->rrd_memory_mode == RRD_MEMORY_MODE_SAVE) {
318 debug(D_RRD_STATS, "Deleting stats '%s' to '%s'.", st->name, st->cache_filename);
319 unlink(st->cache_filename);
322 rrddim_foreach_read(rd, st) {
323 if(likely(rd->rrd_memory_mode == RRD_MEMORY_MODE_SAVE)) {
324 debug(D_RRD_STATS, "Deleting dimension '%s' to '%s'.", rd->name, rd->cache_filename);
325 unlink(rd->cache_filename);
330 // ----------------------------------------------------------------------------
331 // RRDSET - create a chart
333 static inline RRDSET *rrdset_find_on_create(RRDHOST *host, const char *fullid) {
334 RRDSET *st = rrdset_find(host, fullid);
336 rrdset_flag_clear(st, RRDSET_FLAG_OBSOLETE);
337 debug(D_RRD_CALLS, "RRDSET '%s', already exists.", fullid);
344 RRDSET *rrdset_create(
350 , const char *context
355 , RRDSET_TYPE chart_type
357 if(!type || !type[0]) {
358 fatal("Cannot create rrd stats without a type.");
363 fatal("Cannot create rrd stats without an id.");
367 // ------------------------------------------------------------------------
368 // check if it already exists
370 char fullid[RRD_ID_LENGTH_MAX + 1];
371 snprintfz(fullid, RRD_ID_LENGTH_MAX, "%s.%s", type, id);
373 RRDSET *st = rrdset_find_on_create(host, fullid);
376 rrdhost_wrlock(host);
378 st = rrdset_find_on_create(host, fullid);
380 rrdhost_unlock(host);
384 char fullfilename[FILENAME_MAX + 1];
386 // ------------------------------------------------------------------------
387 // compose the config_section for this chart
389 char config_section[RRD_ID_LENGTH_MAX + 1];
390 if(host == localhost)
391 strcpy(config_section, fullid);
393 snprintfz(config_section, RRD_ID_LENGTH_MAX, "%s/%s", host->machine_guid, fullid);
395 // ------------------------------------------------------------------------
396 // get the options from the config, we need to create it
398 long rentries = config_get_number(config_section, "history", host->rrd_history_entries);
399 long entries = align_entries_to_pagesize(host->rrd_memory_mode, rentries);
400 if(entries != rentries) entries = config_set_number(config_section, "history", entries);
402 if(host->rrd_memory_mode == RRD_MEMORY_MODE_NONE && entries != rentries)
403 entries = config_set_number(config_section, "history", 10);
405 int enabled = config_get_boolean(config_section, "enabled", 1);
406 if(!enabled) entries = 5;
408 unsigned long size = sizeof(RRDSET);
409 char *cache_dir = rrdset_cache_dir(host, fullid, config_section);
411 time_t now = now_realtime_sec();
413 // ------------------------------------------------------------------------
414 // load it or allocate it
416 debug(D_RRD_CALLS, "Creating RRD_STATS for '%s.%s'.", type, id);
418 snprintfz(fullfilename, FILENAME_MAX, "%s/main.db", cache_dir);
419 if(host->rrd_memory_mode == RRD_MEMORY_MODE_SAVE || host->rrd_memory_mode == RRD_MEMORY_MODE_MAP) {
420 st = (RRDSET *) mymmap(fullfilename, size, ((host->rrd_memory_mode == RRD_MEMORY_MODE_MAP) ? MAP_SHARED : MAP_PRIVATE), 0);
422 memset(&st->avl, 0, sizeof(avl));
423 memset(&st->avlname, 0, sizeof(avl));
424 memset(&st->variables_root_index, 0, sizeof(avl_tree_lock));
425 memset(&st->dimensions_index, 0, sizeof(avl_tree_lock));
426 memset(&st->rrdset_rwlock, 0, sizeof(netdata_rwlock_t));
434 st->dimensions = NULL;
436 st->variables = NULL;
438 st->flags = 0x00000000;
440 if(strcmp(st->magic, RRDSET_MAGIC) != 0) {
442 info("Initializing file %s.", fullfilename);
445 else if(strcmp(st->id, fullid) != 0) {
447 error("File %s contents are not for chart %s. Clearing it.", fullfilename, fullid);
452 else if(st->memsize != size || st->entries != entries) {
454 error("File %s does not have the desired size. Clearing it.", fullfilename);
457 else if(st->update_every != update_every) {
459 error("File %s does not have the desired update frequency. Clearing it.", fullfilename);
462 else if((now - st->last_updated.tv_sec) > update_every * entries) {
464 error("File %s is too old. Clearing it.", fullfilename);
467 else if(st->last_updated.tv_sec > now + update_every) {
469 error("File %s refers to the future. Clearing it.", fullfilename);
473 // make sure the database is aligned
474 if(st->last_updated.tv_sec)
475 last_updated_time_align(&st->last_updated, update_every);
478 // make sure we have the right memory mode
479 // even if we cleared the memory
480 st->rrd_memory_mode = host->rrd_memory_mode;
485 st = callocz(1, size);
486 st->rrd_memory_mode = (host->rrd_memory_mode == RRD_MEMORY_MODE_NONE) ? RRD_MEMORY_MODE_NONE : RRD_MEMORY_MODE_RAM;
489 st->config_section = strdup(config_section);
492 st->entries = entries;
493 st->update_every = update_every;
495 if(st->current_entry >= st->entries) st->current_entry = 0;
497 strcpy(st->cache_filename, fullfilename);
498 strcpy(st->magic, RRDSET_MAGIC);
500 strcpy(st->id, fullid);
501 st->hash = simple_hash(st->id);
503 st->cache_dir = cache_dir;
505 st->chart_type = rrdset_type_id(config_get(st->config_section, "chart type", rrdset_type_name(chart_type)));
506 st->type = config_get(st->config_section, "type", type);
507 st->family = config_get(st->config_section, "family", family?family:st->type);
508 st->units = config_get(st->config_section, "units", units?units:"");
510 st->context = config_get(st->config_section, "context", context?context:st->id);
511 st->hash_context = simple_hash(st->context);
513 st->priority = config_get_number(st->config_section, "priority", priority);
515 rrdset_flag_set(st, RRDSET_FLAG_ENABLED);
517 rrdset_flag_clear(st, RRDSET_FLAG_ENABLED);
519 rrdset_flag_clear(st, RRDSET_FLAG_DETAIL);
520 rrdset_flag_clear(st, RRDSET_FLAG_DEBUG);
521 rrdset_flag_clear(st, RRDSET_FLAG_OBSOLETE);
523 // if(!strcmp(st->id, "disk_util.dm-0")) {
525 // error("enabled debugging for '%s'", st->id);
527 // else error("not enabled debugging for '%s'", st->id);
532 st->last_collected_time.tv_sec = 0;
533 st->last_collected_time.tv_usec = 0;
534 st->counter_done = 0;
536 st->gap_when_lost_iterations_above = (int) (
537 config_get_number(st->config_section, "gap when lost iterations above", RRD_DEFAULT_GAP_INTERPOLATIONS) + 2);
539 avl_init_lock(&st->dimensions_index, rrddim_compare);
540 avl_init_lock(&st->variables_root_index, rrdvar_compare);
542 netdata_rwlock_init(&st->rrdset_rwlock);
544 if(name && *name) rrdset_set_name(st, name);
545 else rrdset_set_name(st, id);
548 char varvalue[CONFIG_MAX_VALUE + 1];
549 char varvalue2[CONFIG_MAX_VALUE + 1];
550 snprintfz(varvalue, CONFIG_MAX_VALUE, "%s (%s)", title?title:"", st->name);
551 json_escape_string(varvalue2, varvalue, sizeof(varvalue2));
552 st->title = config_get(st->config_section, "title", varvalue2);
555 st->rrdfamily = rrdfamily_create(host, st->family);
557 st->next = host->rrdset_root;
558 host->rrdset_root = st;
560 if(host->health_enabled) {
561 rrdsetvar_create(st, "last_collected_t", RRDVAR_TYPE_TIME_T, &st->last_collected_time.tv_sec, 0);
562 rrdsetvar_create(st, "collected_total_raw", RRDVAR_TYPE_TOTAL, &st->last_collected_total, 0);
563 rrdsetvar_create(st, "green", RRDVAR_TYPE_CALCULATED, &st->green, 0);
564 rrdsetvar_create(st, "red", RRDVAR_TYPE_CALCULATED, &st->red, 0);
565 rrdsetvar_create(st, "update_every", RRDVAR_TYPE_INT, &st->update_every, 0);
568 if(unlikely(rrdset_index_add(host, st) != st))
569 error("RRDSET: INTERNAL ERROR: attempt to index duplicate chart '%s'", st->id);
571 rrdsetcalc_link_matching(st);
572 rrdcalctemplate_link_matching(st);
574 rrdhost_cleanup_obsolete(host);
576 rrdhost_unlock(host);
582 // ----------------------------------------------------------------------------
583 // RRDSET - data collection iteration control
585 inline void rrdset_next_usec_unfiltered(RRDSET *st, usec_t microseconds) {
587 if(unlikely(!st->last_collected_time.tv_sec)) {
589 microseconds = st->update_every * USEC_PER_SEC;
591 else if(unlikely(!microseconds)) {
592 // no dt given by the plugin
594 now_realtime_timeval(&now);
595 microseconds = dt_usec(&now, &st->last_collected_time);
598 st->usec_since_last_update = microseconds;
601 inline void rrdset_next_usec(RRDSET *st, usec_t microseconds) {
603 now_realtime_timeval(&now);
605 if(unlikely(!st->last_collected_time.tv_sec)) {
607 microseconds = st->update_every * USEC_PER_SEC;
609 else if(unlikely(!microseconds)) {
610 // no dt given by the plugin
611 microseconds = dt_usec(&now, &st->last_collected_time);
614 // microseconds has the time since the last collection
615 //#ifdef NETDATA_INTERNAL_CHECKS
616 // usec_t now_usec = timeval_usec(&now);
617 // usec_t last_usec = timeval_usec(&st->last_collected_time);
619 susec_t since_last_usec = dt_usec_signed(&now, &st->last_collected_time);
621 if(unlikely(since_last_usec < 0)) {
622 // oops! the database is in the future
623 error("Database for chart '%s' on host '%s' is %lld microseconds in the future. Adjusting it to current time.", st->id, st->rrdhost->hostname, -since_last_usec);
625 st->last_collected_time.tv_sec = now.tv_sec - st->update_every;
626 st->last_collected_time.tv_usec = now.tv_usec;
627 last_collected_time_align(&st->last_collected_time, st->update_every);
629 st->last_updated.tv_sec = now.tv_sec - st->update_every;
630 st->last_updated.tv_usec = now.tv_usec;
631 last_updated_time_align(&st->last_updated, st->update_every);
633 microseconds = st->update_every * USEC_PER_SEC;
634 since_last_usec = st->update_every * USEC_PER_SEC;
637 // verify the microseconds given is good
638 if(unlikely(microseconds > (usec_t)since_last_usec)) {
639 debug(D_RRD_CALLS, "dt %llu usec given is too big - it leads %llu usec to the future, for chart '%s' (%s).", microseconds, microseconds - (usec_t)since_last_usec, st->name, st->id);
641 //#ifdef NETDATA_INTERNAL_CHECKS
642 // if(unlikely(last_usec + microseconds > now_usec + 1000))
643 // error("dt %llu usec given is too big - it leads %llu usec to the future, for chart '%s' (%s).", microseconds, microseconds - (usec_t)since_last_usec, st->name, st->id);
646 microseconds = (usec_t)since_last_usec;
648 else if(unlikely(microseconds < (usec_t)since_last_usec * 0.8)) {
649 debug(D_RRD_CALLS, "dt %llu usec given is too small - expected %llu usec up to -20%%, for chart '%s' (%s).", microseconds, (usec_t)since_last_usec, st->name, st->id);
651 //#ifdef NETDATA_INTERNAL_CHECKS
652 // error("dt %llu usec given is too small - expected %llu usec up to -20%%, for chart '%s' (%s).", microseconds, (usec_t)since_last_usec, st->name, st->id);
654 microseconds = (usec_t)since_last_usec;
657 debug(D_RRD_CALLS, "rrdset_next_usec() for chart %s with microseconds %llu", st->name, microseconds);
659 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
660 debug(D_RRD_STATS, "%s: NEXT: %llu microseconds", st->name, microseconds);
662 st->usec_since_last_update = microseconds;
666 // ----------------------------------------------------------------------------
667 // RRDSET - process the collected values for all dimensions of a chart
669 static inline void rrdset_init_last_collected_time(RRDSET *st) {
670 now_realtime_timeval(&st->last_collected_time);
671 last_collected_time_align(&st->last_collected_time, st->update_every);
674 static inline usec_t rrdset_update_last_collected_time(RRDSET *st) {
675 usec_t last_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec;
676 usec_t ut = last_collect_ut + st->usec_since_last_update;
677 st->last_collected_time.tv_sec = (time_t) (ut / USEC_PER_SEC);
678 st->last_collected_time.tv_usec = (suseconds_t) (ut % USEC_PER_SEC);
679 return last_collect_ut;
682 static inline void rrdset_init_last_updated_time(RRDSET *st) {
683 // copy the last collected time to last updated time
684 st->last_updated.tv_sec = st->last_collected_time.tv_sec;
685 st->last_updated.tv_usec = st->last_collected_time.tv_usec;
686 last_updated_time_align(&st->last_updated, st->update_every);
689 static inline void rrdset_done_push_exclusive(RRDSET *st) {
690 if(unlikely(!st->last_collected_time.tv_sec)) {
691 // it is the first entry
692 // set the last_collected_time to now
693 rrdset_init_last_collected_time(st);
696 // it is not the first entry
697 // calculate the proper last_collected_time, using usec_since_last_update
698 rrdset_update_last_collected_time(st);
704 rrdset_done_push(st);
708 void rrdset_done(RRDSET *st) {
709 if(unlikely(netdata_exit)) return;
711 if(unlikely(st->rrd_memory_mode == RRD_MEMORY_MODE_NONE)) {
712 if(unlikely(st->rrdhost->rrdpush_enabled))
713 rrdset_done_push_exclusive(st);
718 debug(D_RRD_CALLS, "rrdset_done() for chart %s", st->name);
723 pthreadoldcancelstate; // store the old cancelable pthread state, to restore it at the end
726 store_this_entry = 1, // boolean: 1 = store this entry, 0 = don't store this entry
727 first_entry = 0; // boolean: 1 = this is the first entry seen for this chart, 0 = all other entries
730 stored_entries = 0; // the number of entries we have stored in the db, during this call to rrdset_done()
733 last_collect_ut, // the timestamp in microseconds, of the last collected value
734 now_collect_ut, // the timestamp in microseconds, of this collected value (this is NOW)
735 last_stored_ut, // the timestamp in microseconds, of the last stored entry in the db
736 next_store_ut, // the timestamp in microseconds, of the next entry to store in the db
737 update_every_ut = st->update_every * USEC_PER_SEC; // st->update_every in microseconds
739 if(unlikely(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &pthreadoldcancelstate) != 0))
740 error("Cannot set pthread cancel state to DISABLE.");
742 // a read lock is OK here
746 // enable the chart, if it was disabled
747 if(unlikely(rrd_delete_unupdated_dimensions) && !st->enabled)
751 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE))) {
752 error("Chart '%s' has the OBSOLETE flag set, but it is collected.", st->id);
753 rrdset_flag_clear(st, RRDSET_FLAG_OBSOLETE);
756 // check if the chart has a long time to be updated
757 if(unlikely(st->usec_since_last_update > st->entries * update_every_ut)) {
758 info("%s: took too long to be updated (%0.3Lf secs). Resetting it.", st->name, (long double)(st->usec_since_last_update / 1000000.0));
760 st->usec_since_last_update = update_every_ut;
764 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
765 debug(D_RRD_STATS, "%s: microseconds since last update: %llu", st->name, st->usec_since_last_update);
767 // set last_collected_time
768 if(unlikely(!st->last_collected_time.tv_sec)) {
769 // it is the first entry
770 // set the last_collected_time to now
771 rrdset_init_last_collected_time(st);
773 last_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec - update_every_ut;
775 // the first entry should not be stored
776 store_this_entry = 0;
779 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
780 debug(D_RRD_STATS, "%s: has not set last_collected_time. Setting it now. Will not store the next entry.", st->name);
783 // it is not the first entry
784 // calculate the proper last_collected_time, using usec_since_last_update
785 last_collect_ut = rrdset_update_last_collected_time(st);
788 // if this set has not been updated in the past
789 // we fake the last_update time to be = now - usec_since_last_update
790 if(unlikely(!st->last_updated.tv_sec)) {
791 // it has never been updated before
792 // set a fake last_updated, in the past using usec_since_last_update
793 rrdset_init_last_updated_time(st);
795 // the first entry should not be stored
796 store_this_entry = 0;
799 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
800 debug(D_RRD_STATS, "%s: initializing last_updated to last_collected_time - %llu microseconds. Will not store the next entry.", st->name, st->usec_since_last_update);
803 // check if we will re-write the entire data set
804 if(unlikely(dt_usec(&st->last_collected_time, &st->last_updated) > st->entries * update_every_ut)) {
805 info("%s: too old data (last updated at %ld.%ld, last collected at %ld.%ld). Resetting it. Will not store the next entry.", st->name, st->last_updated.tv_sec, st->last_updated.tv_usec, st->last_collected_time.tv_sec, st->last_collected_time.tv_usec);
807 rrdset_init_last_updated_time(st);
809 st->usec_since_last_update = update_every_ut;
811 // the first entry should not be stored
812 store_this_entry = 0;
816 // these are the 3 variables that will help us in interpolation
817 // last_stored_ut = the last time we added a value to the storage
818 // now_collect_ut = the time the current value has been collected
819 // next_store_ut = the time of the next interpolation point
820 last_stored_ut = st->last_updated.tv_sec * USEC_PER_SEC + st->last_updated.tv_usec;
821 now_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec;
822 next_store_ut = (st->last_updated.tv_sec + st->update_every) * USEC_PER_SEC;
824 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) {
825 debug(D_RRD_STATS, "%s: last_collect_ut = %0.3Lf (last collection time)", st->name, (long double)last_collect_ut/1000000.0);
826 debug(D_RRD_STATS, "%s: now_collect_ut = %0.3Lf (current collection time)", st->name, (long double)now_collect_ut/1000000.0);
827 debug(D_RRD_STATS, "%s: last_stored_ut = %0.3Lf (last updated time)", st->name, (long double)last_stored_ut/1000000.0);
828 debug(D_RRD_STATS, "%s: next_store_ut = %0.3Lf (next interpolation point)", st->name, (long double)next_store_ut/1000000.0);
831 if(unlikely(!st->counter_done)) {
832 store_this_entry = 0;
833 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
834 debug(D_RRD_STATS, "%s: Will not store the next entry.", st->name);
838 if(unlikely(st->rrdhost->rrdpush_enabled))
839 rrdset_done_push(st);
841 // calculate totals and count the dimensions
843 st->collected_total = 0;
844 rrddim_foreach_read(rd, st) {
846 if(likely(rd->updated))
847 st->collected_total += rd->collected_value;
850 uint32_t storage_flags = SN_EXISTS;
852 // process all dimensions to calculate their values
853 // based on the collected figures only
854 // at this stage we do not interpolate anything
855 rrddim_foreach_read(rd, st) {
857 if(unlikely(!rd->updated)) {
858 rd->calculated_value = 0;
862 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
863 debug(D_RRD_STATS, "%s/%s: START "
864 " last_collected_value = " COLLECTED_NUMBER_FORMAT
865 " collected_value = " COLLECTED_NUMBER_FORMAT
866 " last_calculated_value = " CALCULATED_NUMBER_FORMAT
867 " calculated_value = " CALCULATED_NUMBER_FORMAT
869 , rd->last_collected_value
870 , rd->collected_value
871 , rd->last_calculated_value
872 , rd->calculated_value
875 switch(rd->algorithm) {
876 case RRD_ALGORITHM_ABSOLUTE:
877 rd->calculated_value = (calculated_number)rd->collected_value
878 * (calculated_number)rd->multiplier
879 / (calculated_number)rd->divisor;
881 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
882 debug(D_RRD_STATS, "%s/%s: CALC ABS/ABS-NO-IN "
883 CALCULATED_NUMBER_FORMAT " = "
884 COLLECTED_NUMBER_FORMAT
885 " * " CALCULATED_NUMBER_FORMAT
886 " / " CALCULATED_NUMBER_FORMAT
888 , rd->calculated_value
889 , rd->collected_value
890 , (calculated_number)rd->multiplier
891 , (calculated_number)rd->divisor
895 case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL:
896 if(unlikely(!st->collected_total))
897 rd->calculated_value = 0;
899 // the percentage of the current value
900 // over the total of all dimensions
901 rd->calculated_value =
902 (calculated_number)100
903 * (calculated_number)rd->collected_value
904 / (calculated_number)st->collected_total;
906 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
907 debug(D_RRD_STATS, "%s/%s: CALC PCENT-ROW "
908 CALCULATED_NUMBER_FORMAT " = 100"
909 " * " COLLECTED_NUMBER_FORMAT
910 " / " COLLECTED_NUMBER_FORMAT
912 , rd->calculated_value
913 , rd->collected_value
914 , st->collected_total
918 case RRD_ALGORITHM_INCREMENTAL:
919 if(unlikely(rd->collections_counter <= 1)) {
920 rd->calculated_value = 0;
924 // if the new is smaller than the old (an overflow, or reset), set the old equal to the new
925 // to reset the calculation (it will give zero as the calculation for this second)
926 if(unlikely(rd->last_collected_value > rd->collected_value)) {
927 debug(D_RRD_STATS, "%s.%s: RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
929 , rd->last_collected_value
930 , rd->collected_value);
932 if(!(rrddim_flag_check(rd, RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS)))
933 storage_flags = SN_EXISTS_RESET;
935 rd->last_collected_value = rd->collected_value;
938 rd->calculated_value +=
939 (calculated_number)(rd->collected_value - rd->last_collected_value)
940 * (calculated_number)rd->multiplier
941 / (calculated_number)rd->divisor;
943 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
944 debug(D_RRD_STATS, "%s/%s: CALC INC PRE "
945 CALCULATED_NUMBER_FORMAT " = ("
946 COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT
948 " * " CALCULATED_NUMBER_FORMAT
949 " / " CALCULATED_NUMBER_FORMAT
951 , rd->calculated_value
952 , rd->collected_value, rd->last_collected_value
953 , (calculated_number)rd->multiplier
954 , (calculated_number)rd->divisor
958 case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL:
959 if(unlikely(rd->collections_counter <= 1)) {
960 rd->calculated_value = 0;
964 // if the new is smaller than the old (an overflow, or reset), set the old equal to the new
965 // to reset the calculation (it will give zero as the calculation for this second)
966 if(unlikely(rd->last_collected_value > rd->collected_value)) {
967 debug(D_RRD_STATS, "%s.%s: RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT
969 , rd->last_collected_value
970 , rd->collected_value);
972 if(!(rrddim_flag_check(rd, RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS)))
973 storage_flags = SN_EXISTS_RESET;
975 rd->last_collected_value = rd->collected_value;
978 // the percentage of the current increment
979 // over the increment of all dimensions together
980 if(unlikely(st->collected_total == st->last_collected_total))
981 rd->calculated_value = 0;
983 rd->calculated_value =
984 (calculated_number)100
985 * (calculated_number)(rd->collected_value - rd->last_collected_value)
986 / (calculated_number)(st->collected_total - st->last_collected_total);
988 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
989 debug(D_RRD_STATS, "%s/%s: CALC PCENT-DIFF "
990 CALCULATED_NUMBER_FORMAT " = 100"
991 " * (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
992 " / (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")"
994 , rd->calculated_value
995 , rd->collected_value, rd->last_collected_value
996 , st->collected_total, st->last_collected_total
1001 // make the default zero, to make sure
1002 // it gets noticed when we add new types
1003 rd->calculated_value = 0;
1005 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1006 debug(D_RRD_STATS, "%s/%s: CALC "
1007 CALCULATED_NUMBER_FORMAT " = 0"
1009 , rd->calculated_value
1014 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1015 debug(D_RRD_STATS, "%s/%s: PHASE2 "
1016 " last_collected_value = " COLLECTED_NUMBER_FORMAT
1017 " collected_value = " COLLECTED_NUMBER_FORMAT
1018 " last_calculated_value = " CALCULATED_NUMBER_FORMAT
1019 " calculated_value = " CALCULATED_NUMBER_FORMAT
1021 , rd->last_collected_value
1022 , rd->collected_value
1023 , rd->last_calculated_value
1024 , rd->calculated_value
1029 // at this point we have all the calculated values ready
1030 // it is now time to interpolate values on a second boundary
1032 if(unlikely(now_collect_ut < next_store_ut)) {
1033 // this is collected in the same interpolation point
1035 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1036 debug(D_RRD_STATS, "%s: THIS IS IN THE SAME INTERPOLATION POINT", st->name);
1038 //#ifdef NETDATA_INTERNAL_CHECKS
1039 // info("%s is collected in the same interpolation point: short by %llu microseconds", st->name, next_store_ut - now_collect_ut);
1043 usec_t first_ut = last_stored_ut;
1044 long long iterations = (now_collect_ut - last_stored_ut) / (update_every_ut);
1045 if((now_collect_ut % (update_every_ut)) == 0) iterations++;
1047 for( ; next_store_ut <= now_collect_ut ; last_collect_ut = next_store_ut, next_store_ut += update_every_ut, iterations-- ) {
1048 //#ifdef NETDATA_INTERNAL_CHECKS
1049 // if(iterations < 0) { error("%s: iterations calculation wrapped! first_ut = %llu, last_stored_ut = %llu, next_store_ut = %llu, now_collect_ut = %llu", st->name, first_ut, last_stored_ut, next_store_ut, now_collect_ut); }
1052 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) {
1053 debug(D_RRD_STATS, "%s: last_stored_ut = %0.3Lf (last updated time)", st->name, (long double)last_stored_ut/1000000.0);
1054 debug(D_RRD_STATS, "%s: next_store_ut = %0.3Lf (next interpolation point)", st->name, (long double)next_store_ut/1000000.0);
1057 st->last_updated.tv_sec = (time_t) (next_store_ut / USEC_PER_SEC);
1058 st->last_updated.tv_usec = 0;
1060 rrddim_foreach_read(rd, st) {
1061 calculated_number new_value;
1063 switch(rd->algorithm) {
1064 case RRD_ALGORITHM_INCREMENTAL:
1065 new_value = (calculated_number)
1066 ( rd->calculated_value
1067 * (calculated_number)(next_store_ut - last_collect_ut)
1068 / (calculated_number)(now_collect_ut - last_collect_ut)
1071 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1072 debug(D_RRD_STATS, "%s/%s: CALC2 INC "
1073 CALCULATED_NUMBER_FORMAT " = "
1074 CALCULATED_NUMBER_FORMAT
1079 , rd->calculated_value
1080 , (next_store_ut - last_stored_ut)
1081 , (now_collect_ut - last_stored_ut)
1084 rd->calculated_value -= new_value;
1085 new_value += rd->last_calculated_value;
1086 rd->last_calculated_value = 0;
1087 new_value /= (calculated_number)st->update_every;
1089 if(unlikely(next_store_ut - last_stored_ut < update_every_ut)) {
1090 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1091 debug(D_RRD_STATS, "%s/%s: COLLECTION POINT IS SHORT " CALCULATED_NUMBER_FORMAT " - EXTRAPOLATING",
1093 , (calculated_number)(next_store_ut - last_stored_ut)
1095 new_value = new_value * (calculated_number)(st->update_every * 1000000) / (calculated_number)(next_store_ut - last_stored_ut);
1099 case RRD_ALGORITHM_ABSOLUTE:
1100 case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL:
1101 case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL:
1103 if(iterations == 1) {
1104 // this is the last iteration
1105 // do not interpolate
1106 // just show the calculated value
1108 new_value = rd->calculated_value;
1111 // we have missed an update
1112 // interpolate in the middle values
1114 new_value = (calculated_number)
1115 ( ( (rd->calculated_value - rd->last_calculated_value)
1116 * (calculated_number)(next_store_ut - last_collect_ut)
1117 / (calculated_number)(now_collect_ut - last_collect_ut)
1119 + rd->last_calculated_value
1122 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1123 debug(D_RRD_STATS, "%s/%s: CALC2 DEF "
1124 CALCULATED_NUMBER_FORMAT " = ((("
1125 "(" CALCULATED_NUMBER_FORMAT " - " CALCULATED_NUMBER_FORMAT ")"
1127 " / %llu) + " CALCULATED_NUMBER_FORMAT
1130 , rd->calculated_value, rd->last_calculated_value
1131 , (next_store_ut - first_ut)
1132 , (now_collect_ut - first_ut), rd->last_calculated_value
1138 if(unlikely(!store_this_entry)) {
1139 rd->values[st->current_entry] = pack_storage_number(0, SN_NOT_EXISTS);
1143 if(likely(rd->updated && rd->collections_counter > 1 && iterations < st->gap_when_lost_iterations_above)) {
1144 rd->values[st->current_entry] = pack_storage_number(new_value, storage_flags );
1145 rd->last_stored_value = new_value;
1147 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1148 debug(D_RRD_STATS, "%s/%s: STORE[%ld] "
1149 CALCULATED_NUMBER_FORMAT " = " CALCULATED_NUMBER_FORMAT
1152 , unpack_storage_number(rd->values[st->current_entry]), new_value
1156 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1157 debug(D_RRD_STATS, "%s/%s: STORE[%ld] = NON EXISTING "
1161 rd->values[st->current_entry] = pack_storage_number(0, SN_NOT_EXISTS);
1162 rd->last_stored_value = NAN;
1167 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) {
1168 calculated_number t1 = new_value * (calculated_number)rd->multiplier / (calculated_number)rd->divisor;
1169 calculated_number t2 = unpack_storage_number(rd->values[st->current_entry]);
1170 calculated_number accuracy = accuracy_loss(t1, t2);
1171 debug(D_RRD_STATS, "%s/%s: UNPACK[%ld] = " CALCULATED_NUMBER_FORMAT " FLAGS=0x%08x (original = " CALCULATED_NUMBER_FORMAT ", accuracy loss = " CALCULATED_NUMBER_FORMAT "%%%s)"
1175 , get_storage_number_flags(rd->values[st->current_entry])
1178 , (accuracy > ACCURACY_LOSS) ? " **TOO BIG** " : ""
1181 rd->collected_volume += t1;
1182 rd->stored_volume += t2;
1183 accuracy = accuracy_loss(rd->collected_volume, rd->stored_volume);
1184 debug(D_RRD_STATS, "%s/%s: VOLUME[%ld] = " CALCULATED_NUMBER_FORMAT ", calculated = " CALCULATED_NUMBER_FORMAT ", accuracy loss = " CALCULATED_NUMBER_FORMAT "%%%s"
1188 , rd->collected_volume
1190 , (accuracy > ACCURACY_LOSS) ? " **TOO BIG** " : ""
1195 // reset the storage flags for the next point, if any;
1196 storage_flags = SN_EXISTS;
1199 st->current_entry = ((st->current_entry + 1) >= st->entries) ? 0 : st->current_entry + 1;
1200 last_stored_ut = next_store_ut;
1203 st->last_collected_total = st->collected_total;
1205 rrddim_foreach_read(rd, st) {
1206 if(unlikely(!rd->updated))
1209 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1210 debug(D_RRD_STATS, "%s/%s: setting last_collected_value (old: " COLLECTED_NUMBER_FORMAT ") to last_collected_value (new: " COLLECTED_NUMBER_FORMAT ")", st->id, rd->name, rd->last_collected_value, rd->collected_value);
1212 rd->last_collected_value = rd->collected_value;
1214 switch(rd->algorithm) {
1215 case RRD_ALGORITHM_INCREMENTAL:
1216 if(unlikely(!first_entry)) {
1217 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1218 debug(D_RRD_STATS, "%s/%s: setting last_calculated_value (old: " CALCULATED_NUMBER_FORMAT ") to last_calculated_value (new: " CALCULATED_NUMBER_FORMAT ")", st->id, rd->name, rd->last_calculated_value + rd->calculated_value, rd->calculated_value);
1219 rd->last_calculated_value += rd->calculated_value;
1222 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1223 debug(D_RRD_STATS, "%s: THIS IS THE FIRST POINT", st->name);
1227 case RRD_ALGORITHM_ABSOLUTE:
1228 case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL:
1229 case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL:
1230 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1231 debug(D_RRD_STATS, "%s/%s: setting last_calculated_value (old: " CALCULATED_NUMBER_FORMAT ") to last_calculated_value (new: " CALCULATED_NUMBER_FORMAT ")", st->id, rd->name, rd->last_calculated_value, rd->calculated_value);
1232 rd->last_calculated_value = rd->calculated_value;
1236 rd->calculated_value = 0;
1237 rd->collected_value = 0;
1240 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
1241 debug(D_RRD_STATS, "%s/%s: END "
1242 " last_collected_value = " COLLECTED_NUMBER_FORMAT
1243 " collected_value = " COLLECTED_NUMBER_FORMAT
1244 " last_calculated_value = " CALCULATED_NUMBER_FORMAT
1245 " calculated_value = " CALCULATED_NUMBER_FORMAT
1247 , rd->last_collected_value
1248 , rd->collected_value
1249 , rd->last_calculated_value
1250 , rd->calculated_value
1254 // ALL DONE ABOUT THE DATA UPDATE
1255 // --------------------------------------------------------------------
1258 // find if there are any obsolete dimensions (not updated recently)
1259 if(unlikely(rrd_delete_unupdated_dimensions)) {
1261 for( rd = st->dimensions; likely(rd) ; rd = rd->next )
1262 if((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec)
1267 // there is dimension to free
1268 // upgrade our read lock to a write lock
1272 for( rd = st->dimensions, last = NULL ; likely(rd) ; ) {
1273 // remove it only it is not updated in rrd_delete_unupdated_dimensions seconds
1275 if(unlikely((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec)) {
1276 info("Removing obsolete dimension '%s' (%s) of '%s' (%s).", rd->name, rd->id, st->name, st->id);
1278 if(unlikely(!last)) {
1279 st->dimensions = rd->next;
1281 rrddim_free(st, rd);
1282 rd = st->dimensions;
1286 last->next = rd->next;
1288 rrddim_free(st, rd);
1298 if(unlikely(!st->dimensions)) {
1299 info("Disabling chart %s (%s) since it does not have any dimensions", st->name, st->id);
1308 if(unlikely(pthread_setcancelstate(pthreadoldcancelstate, NULL) != 0))
1309 error("Cannot set pthread cancel state to RESTORE (%d).", pthreadoldcancelstate);