diff options
Diffstat (limited to 'src/rrdset.c')
| -rw-r--r-- | src/rrdset.c | 1544 |
1 files changed, 0 insertions, 1544 deletions
diff --git a/src/rrdset.c b/src/rrdset.c deleted file mode 100644 index bbd0ae72..00000000 --- a/src/rrdset.c +++ /dev/null @@ -1,1544 +0,0 @@ -#define NETDATA_RRD_INTERNALS 1 -#include "common.h" - -void __rrdset_check_rdlock(RRDSET *st, const char *file, const char *function, const unsigned long line) { - debug(D_RRD_CALLS, "Checking read lock on chart '%s'", st->id); - - int ret = netdata_rwlock_trywrlock(&st->rrdset_rwlock); - if(ret == 0) - 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); -} - -void __rrdset_check_wrlock(RRDSET *st, const char *file, const char *function, const unsigned long line) { - debug(D_RRD_CALLS, "Checking write lock on chart '%s'", st->id); - - int ret = netdata_rwlock_tryrdlock(&st->rrdset_rwlock); - if(ret == 0) - 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); -} - - -// ---------------------------------------------------------------------------- -// RRDSET index - -int rrdset_compare(void* a, void* b) { - if(((RRDSET *)a)->hash < ((RRDSET *)b)->hash) return -1; - else if(((RRDSET *)a)->hash > ((RRDSET *)b)->hash) return 1; - else return strcmp(((RRDSET *)a)->id, ((RRDSET *)b)->id); -} - -static RRDSET *rrdset_index_find(RRDHOST *host, const char *id, uint32_t hash) { - RRDSET tmp; - strncpyz(tmp.id, id, RRD_ID_LENGTH_MAX); - tmp.hash = (hash)?hash:simple_hash(tmp.id); - - return (RRDSET *)avl_search_lock(&(host->rrdset_root_index), (avl *) &tmp); -} - -// ---------------------------------------------------------------------------- -// RRDSET name index - -#define rrdset_from_avlname(avlname_ptr) ((RRDSET *)((avlname_ptr) - offsetof(RRDSET, avlname))) - -int rrdset_compare_name(void* a, void* b) { - RRDSET *A = rrdset_from_avlname(a); - RRDSET *B = rrdset_from_avlname(b); - - // fprintf(stderr, "COMPARING: %s with %s\n", A->name, B->name); - - if(A->hash_name < B->hash_name) return -1; - else if(A->hash_name > B->hash_name) return 1; - else return strcmp(A->name, B->name); -} - -RRDSET *rrdset_index_add_name(RRDHOST *host, RRDSET *st) { - void *result; - // fprintf(stderr, "ADDING: %s (name: %s)\n", st->id, st->name); - result = avl_insert_lock(&host->rrdset_root_index_name, (avl *) (&st->avlname)); - if(result) return rrdset_from_avlname(result); - return NULL; -} - -RRDSET *rrdset_index_del_name(RRDHOST *host, RRDSET *st) { - void *result; - // fprintf(stderr, "DELETING: %s (name: %s)\n", st->id, st->name); - result = (RRDSET *)avl_remove_lock(&((host)->rrdset_root_index_name), (avl *)(&st->avlname)); - if(result) return rrdset_from_avlname(result); - return NULL; -} - - -// ---------------------------------------------------------------------------- -// RRDSET - find charts - -static inline RRDSET *rrdset_index_find_name(RRDHOST *host, const char *name, uint32_t hash) { - void *result = NULL; - RRDSET tmp; - tmp.name = name; - tmp.hash_name = (hash)?hash:simple_hash(tmp.name); - - // fprintf(stderr, "SEARCHING: %s\n", name); - result = avl_search_lock(&host->rrdset_root_index_name, (avl *) (&(tmp.avlname))); - if(result) { - RRDSET *st = rrdset_from_avlname(result); - if(strcmp(st->magic, RRDSET_MAGIC) != 0) - error("Search for RRDSET %s returned an invalid RRDSET %s (name %s)", name, st->id, st->name); - - // fprintf(stderr, "FOUND: %s\n", name); - return rrdset_from_avlname(result); - } - // fprintf(stderr, "NOT FOUND: %s\n", name); - return NULL; -} - -inline RRDSET *rrdset_find(RRDHOST *host, const char *id) { - debug(D_RRD_CALLS, "rrdset_find() for chart '%s' in host '%s'", id, host->hostname); - RRDSET *st = rrdset_index_find(host, id, 0); - return(st); -} - -inline RRDSET *rrdset_find_bytype(RRDHOST *host, const char *type, const char *id) { - debug(D_RRD_CALLS, "rrdset_find_bytype() for chart '%s.%s' in host '%s'", type, id, host->hostname); - - char buf[RRD_ID_LENGTH_MAX + 1]; - strncpyz(buf, type, RRD_ID_LENGTH_MAX - 1); - strcat(buf, "."); - int len = (int) strlen(buf); - strncpyz(&buf[len], id, (size_t) (RRD_ID_LENGTH_MAX - len)); - - return(rrdset_find(host, buf)); -} - -inline RRDSET *rrdset_find_byname(RRDHOST *host, const char *name) { - debug(D_RRD_CALLS, "rrdset_find_byname() for chart '%s' in host '%s'", name, host->hostname); - RRDSET *st = rrdset_index_find_name(host, name, 0); - return(st); -} - -// ---------------------------------------------------------------------------- -// RRDSET - rename charts - -char *rrdset_strncpyz_name(char *to, const char *from, size_t length) { - char c, *p = to; - - while (length-- && (c = *from++)) { - if(c != '.' && !isalnum(c)) - c = '_'; - - *p++ = c; - } - - *p = '\0'; - - return to; -} - -int rrdset_set_name(RRDSET *st, const char *name) { - if(unlikely(st->name && !strcmp(st->name, name))) - return 1; - - RRDHOST *host = st->rrdhost; - - debug(D_RRD_CALLS, "rrdset_set_name() old: '%s', new: '%s'", st->name?st->name:"", name); - - char b[CONFIG_MAX_VALUE + 1]; - char n[RRD_ID_LENGTH_MAX + 1]; - - snprintfz(n, RRD_ID_LENGTH_MAX, "%s.%s", st->type, name); - rrdset_strncpyz_name(b, n, CONFIG_MAX_VALUE); - - if(rrdset_index_find_name(host, b, 0)) { - error("RRDSET: chart name '%s' on host '%s' already exists.", b, host->hostname); - return 0; - } - - if(st->name) { - rrdset_index_del_name(host, st); - st->name = config_set_default(st->config_section, "name", b); - st->hash_name = simple_hash(st->name); - rrdsetvar_rename_all(st); - } - else { - st->name = config_get(st->config_section, "name", b); - st->hash_name = simple_hash(st->name); - } - - rrdset_wrlock(st); - RRDDIM *rd; - rrddim_foreach_write(rd, st) - rrddimvar_rename_all(rd); - rrdset_unlock(st); - - if(unlikely(rrdset_index_add_name(host, st) != st)) - error("RRDSET: INTERNAL ERROR: attempted to index duplicate chart name '%s'", st->name); - - return 1; -} - -inline void rrdset_is_obsolete(RRDSET *st) { - RRDHOST *host = st->rrdhost; - - if(unlikely(!(rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE)))) { - rrdset_flag_set(st, RRDSET_FLAG_OBSOLETE); - rrdset_flag_clear(st, RRDSET_FLAG_EXPOSED_UPSTREAM); - - // the chart will not get more updates (data collection) - // so, we have to push its definition now - if(unlikely(host->rrdpush_send_enabled)) - rrdset_push_chart_definition(st); - } -} - -inline void rrdset_isnot_obsolete(RRDSET *st) { - if(unlikely((rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE)))) { - rrdset_flag_clear(st, RRDSET_FLAG_OBSOLETE); - rrdset_flag_clear(st, RRDSET_FLAG_EXPOSED_UPSTREAM); - - // the chart will be pushed upstream automatically - // due to data collection - } -} - -inline void rrdset_update_heterogeneous_flag(RRDSET *st) { - RRDHOST *host = st->rrdhost; - RRDDIM *rd; - - rrdset_flag_clear(st, RRDSET_FLAG_HOMEGENEOUS_CHECK); - - RRD_ALGORITHM algorithm = st->dimensions->algorithm; - collected_number multiplier = abs(st->dimensions->multiplier); - collected_number divisor = abs(st->dimensions->divisor); - - rrddim_foreach_read(rd, st) { - if(algorithm != rd->algorithm || multiplier != abs(rd->multiplier) || divisor != abs(rd->divisor)) { - if(!rrdset_flag_check(st, RRDSET_FLAG_HETEROGENEOUS)) { - #ifdef NETDATA_INTERNAL_CHECKS - info("Dimension '%s' added on chart '%s' of host '%s' is not homogeneous to other dimensions already present (algorithm is '%s' vs '%s', multiplier is " COLLECTED_NUMBER_FORMAT " vs " COLLECTED_NUMBER_FORMAT ", divisor is " COLLECTED_NUMBER_FORMAT " vs " COLLECTED_NUMBER_FORMAT ").", - rd->name, - st->name, - host->hostname, - rrd_algorithm_name(rd->algorithm), rrd_algorithm_name(algorithm), - rd->multiplier, multiplier, - rd->divisor, divisor - ); - #endif - rrdset_flag_set(st, RRDSET_FLAG_HETEROGENEOUS); - } - return; - } - } - - rrdset_flag_clear(st, RRDSET_FLAG_HETEROGENEOUS); -} - -// ---------------------------------------------------------------------------- -// RRDSET - reset a chart - -void rrdset_reset(RRDSET *st) { - debug(D_RRD_CALLS, "rrdset_reset() %s", st->name); - - st->last_collected_time.tv_sec = 0; - st->last_collected_time.tv_usec = 0; - st->last_updated.tv_sec = 0; - st->last_updated.tv_usec = 0; - st->current_entry = 0; - st->counter = 0; - st->counter_done = 0; - - RRDDIM *rd; - rrddim_foreach_read(rd, st) { - rd->last_collected_time.tv_sec = 0; - rd->last_collected_time.tv_usec = 0; - rd->collections_counter = 0; - // memset(rd->values, 0, rd->entries * sizeof(storage_number)); - } -} - -// ---------------------------------------------------------------------------- -// RRDSET - helpers for rrdset_create() - -inline long align_entries_to_pagesize(RRD_MEMORY_MODE mode, long entries) { - if(unlikely(entries < 5)) entries = 5; - if(unlikely(entries > RRD_HISTORY_ENTRIES_MAX)) entries = RRD_HISTORY_ENTRIES_MAX; - - if(unlikely(mode == RRD_MEMORY_MODE_NONE || mode == RRD_MEMORY_MODE_ALLOC)) - return entries; - - long page = (size_t)sysconf(_SC_PAGESIZE); - long size = sizeof(RRDDIM) + entries * sizeof(storage_number); - if(unlikely(size % page)) { - size -= (size % page); - size += page; - - long n = (size - sizeof(RRDDIM)) / sizeof(storage_number); - return n; - } - - return entries; -} - -static inline void last_collected_time_align(RRDSET *st) { - st->last_collected_time.tv_sec -= st->last_collected_time.tv_sec % st->update_every; - - if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_STORE_FIRST))) - st->last_collected_time.tv_usec = 0; - else - st->last_collected_time.tv_usec = 500000; -} - -static inline void last_updated_time_align(RRDSET *st) { - st->last_updated.tv_sec -= st->last_updated.tv_sec % st->update_every; - st->last_updated.tv_usec = 0; -} - -// ---------------------------------------------------------------------------- -// RRDSET - free a chart - -void rrdset_free(RRDSET *st) { - if(unlikely(!st)) return; - - RRDHOST *host = st->rrdhost; - - rrdhost_check_wrlock(host); // make sure we have a write lock on the host - rrdset_wrlock(st); // lock this RRDSET - - // info("Removing chart '%s' ('%s')", st->id, st->name); - - // ------------------------------------------------------------------------ - // remove it from the indexes - - if(unlikely(rrdset_index_del(host, st) != st)) - error("RRDSET: INTERNAL ERROR: attempt to remove from index chart '%s', removed a different chart.", st->id); - - rrdset_index_del_name(host, st); - - // ------------------------------------------------------------------------ - // free its children structures - - while(st->variables) rrdsetvar_free(st->variables); - while(st->alarms) rrdsetcalc_unlink(st->alarms); - while(st->dimensions) rrddim_free(st, st->dimensions); - - rrdfamily_free(host, st->rrdfamily); - - debug(D_RRD_CALLS, "RRDSET: Cleaning up remaining chart variables for host '%s', chart '%s'", host->hostname, st->id); - rrdvar_free_remaining_variables(host, &st->rrdvar_root_index); - - // ------------------------------------------------------------------------ - // unlink it from the host - - if(st == host->rrdset_root) { - host->rrdset_root = st->next; - } - else { - // find the previous one - RRDSET *s; - for(s = host->rrdset_root; s && s->next != st ; s = s->next) ; - - // bypass it - if(s) s->next = st->next; - else error("Request to free RRDSET '%s': cannot find it under host '%s'", st->id, host->hostname); - } - - rrdset_unlock(st); - - // ------------------------------------------------------------------------ - // free it - - netdata_rwlock_destroy(&st->rrdset_rwlock); - - // free directly allocated members - freez(st->config_section); - freez(st->plugin_name); - freez(st->module_name); - - switch(st->rrd_memory_mode) { - case RRD_MEMORY_MODE_SAVE: - case RRD_MEMORY_MODE_MAP: - case RRD_MEMORY_MODE_RAM: - debug(D_RRD_CALLS, "Unmapping stats '%s'.", st->name); - munmap(st, st->memsize); - break; - - case RRD_MEMORY_MODE_ALLOC: - case RRD_MEMORY_MODE_NONE: - freez(st); - break; - } -} - -void rrdset_save(RRDSET *st) { - rrdset_check_rdlock(st); - - // info("Saving chart '%s' ('%s')", st->id, st->name); - - if(st->rrd_memory_mode == RRD_MEMORY_MODE_SAVE) { - debug(D_RRD_STATS, "Saving stats '%s' to '%s'.", st->name, st->cache_filename); - memory_file_save(st->cache_filename, st, st->memsize); - } - - RRDDIM *rd; - rrddim_foreach_read(rd, st) { - if(likely(rd->rrd_memory_mode == RRD_MEMORY_MODE_SAVE)) { - debug(D_RRD_STATS, "Saving dimension '%s' to '%s'.", rd->name, rd->cache_filename); - memory_file_save(rd->cache_filename, rd, rd->memsize); - } - } -} - -void rrdset_delete(RRDSET *st) { - RRDDIM *rd; - - rrdset_check_rdlock(st); - - info("Deleting chart '%s' ('%s') from disk...", st->id, st->name); - - if(st->rrd_memory_mode == RRD_MEMORY_MODE_SAVE || st->rrd_memory_mode == RRD_MEMORY_MODE_MAP) { - info("Deleting chart header file '%s'.", st->cache_filename); - if(unlikely(unlink(st->cache_filename) == -1)) - error("Cannot delete chart header file '%s'", st->cache_filename); - } - - rrddim_foreach_read(rd, st) { - if(likely(rd->rrd_memory_mode == RRD_MEMORY_MODE_SAVE || rd->rrd_memory_mode == RRD_MEMORY_MODE_MAP)) { - info("Deleting dimension file '%s'.", rd->cache_filename); - if(unlikely(unlink(rd->cache_filename) == -1)) - error("Cannot delete dimension file '%s'", rd->cache_filename); - } - } - - recursively_delete_dir(st->cache_dir, "left-over chart"); -} - -// ---------------------------------------------------------------------------- -// RRDSET - create a chart - -static inline RRDSET *rrdset_find_on_create(RRDHOST *host, const char *fullid) { - RRDSET *st = rrdset_find(host, fullid); - if(unlikely(st)) { - rrdset_isnot_obsolete(st); - debug(D_RRD_CALLS, "RRDSET '%s', already exists.", fullid); - return st; - } - - return NULL; -} - -RRDSET *rrdset_create_custom( - RRDHOST *host - , const char *type - , const char *id - , const char *name - , const char *family - , const char *context - , const char *title - , const char *units - , const char *plugin - , const char *module - , long priority - , int update_every - , RRDSET_TYPE chart_type - , RRD_MEMORY_MODE memory_mode - , long history_entries -) { - if(!type || !type[0]) { - fatal("Cannot create rrd stats without a type: id '%s', name '%s', family '%s', context '%s', title '%s', units '%s', plugin '%s', module '%s'." - , (id && *id)?id:"<unset>" - , (name && *name)?name:"<unset>" - , (family && *family)?family:"<unset>" - , (context && *context)?context:"<unset>" - , (title && *title)?title:"<unset>" - , (units && *units)?units:"<unset>" - , (plugin && *plugin)?plugin:"<unset>" - , (module && *module)?module:"<unset>" - ); - return NULL; - } - - if(!id || !id[0]) { - fatal("Cannot create rrd stats without an id: type '%s', name '%s', family '%s', context '%s', title '%s', units '%s', plugin '%s', module '%s'." - , type - , (name && *name)?name:"<unset>" - , (family && *family)?family:"<unset>" - , (context && *context)?context:"<unset>" - , (title && *title)?title:"<unset>" - , (units && *units)?units:"<unset>" - , (plugin && *plugin)?plugin:"<unset>" - , (module && *module)?module:"<unset>" - ); - return NULL; - } - - // ------------------------------------------------------------------------ - // check if it already exists - - char fullid[RRD_ID_LENGTH_MAX + 1]; - snprintfz(fullid, RRD_ID_LENGTH_MAX, "%s.%s", type, id); - - RRDSET *st = rrdset_find_on_create(host, fullid); - if(st) return st; - - rrdhost_wrlock(host); - - st = rrdset_find_on_create(host, fullid); - if(st) { - rrdhost_unlock(host); - return st; - } - - char fullfilename[FILENAME_MAX + 1]; - - // ------------------------------------------------------------------------ - // compose the config_section for this chart - - char config_section[RRD_ID_LENGTH_MAX + 1]; - if(host == localhost) - strcpy(config_section, fullid); - else - snprintfz(config_section, RRD_ID_LENGTH_MAX, "%s/%s", host->machine_guid, fullid); - - // ------------------------------------------------------------------------ - // get the options from the config, we need to create it - - long rentries = config_get_number(config_section, "history", history_entries); - long entries = align_entries_to_pagesize(memory_mode, rentries); - if(entries != rentries) entries = config_set_number(config_section, "history", entries); - - if(memory_mode == RRD_MEMORY_MODE_NONE && entries != rentries) - entries = config_set_number(config_section, "history", 10); - - int enabled = config_get_boolean(config_section, "enabled", 1); - if(!enabled) entries = 5; - - unsigned long size = sizeof(RRDSET); - char *cache_dir = rrdset_cache_dir(host, fullid, config_section); - - time_t now = now_realtime_sec(); - - // ------------------------------------------------------------------------ - // load it or allocate it - - debug(D_RRD_CALLS, "Creating RRD_STATS for '%s.%s'.", type, id); - - snprintfz(fullfilename, FILENAME_MAX, "%s/main.db", cache_dir); - if(memory_mode == RRD_MEMORY_MODE_SAVE || memory_mode == RRD_MEMORY_MODE_MAP || memory_mode == RRD_MEMORY_MODE_RAM) { - st = (RRDSET *) mymmap( - (memory_mode == RRD_MEMORY_MODE_RAM)?NULL:fullfilename - , size - , ((memory_mode == RRD_MEMORY_MODE_MAP) ? MAP_SHARED : MAP_PRIVATE) - , 0 - ); - - if(st) { - memset(&st->avl, 0, sizeof(avl)); - memset(&st->avlname, 0, sizeof(avl)); - memset(&st->rrdvar_root_index, 0, sizeof(avl_tree_lock)); - memset(&st->dimensions_index, 0, sizeof(avl_tree_lock)); - memset(&st->rrdset_rwlock, 0, sizeof(netdata_rwlock_t)); - - st->name = NULL; - st->config_section = NULL; - st->type = NULL; - st->family = NULL; - st->title = NULL; - st->units = NULL; - st->context = NULL; - st->cache_dir = NULL; - st->plugin_name = NULL; - st->module_name = NULL; - st->dimensions = NULL; - st->rrdfamily = NULL; - st->rrdhost = NULL; - st->next = NULL; - st->variables = NULL; - st->alarms = NULL; - st->flags = 0x00000000; - - if(memory_mode == RRD_MEMORY_MODE_RAM) { - memset(st, 0, size); - } - else { - if(strcmp(st->magic, RRDSET_MAGIC) != 0) { - info("Initializing file %s.", fullfilename); - memset(st, 0, size); - } - else if(strcmp(st->id, fullid) != 0) { - error("File %s contents are not for chart %s. Clearing it.", fullfilename, fullid); - // munmap(st, size); - // st = NULL; - memset(st, 0, size); - } - else if(st->memsize != size || st->entries != entries) { - error("File %s does not have the desired size. Clearing it.", fullfilename); - memset(st, 0, size); - } - else if(st->update_every != update_every) { - error("File %s does not have the desired update frequency. Clearing it.", fullfilename); - memset(st, 0, size); - } - else if((now - st->last_updated.tv_sec) > update_every * entries) { - error("File %s is too old. Clearing it.", fullfilename); - memset(st, 0, size); - } - else if(st->last_updated.tv_sec > now + update_every) { - error("File %s refers to the future. Clearing it.", fullfilename); - memset(st, 0, size); - } - - // make sure the database is aligned - if(st->last_updated.tv_sec) { - st->update_every = update_every; - last_updated_time_align(st); - } - } - - // make sure we have the right memory mode - // even if we cleared the memory - st->rrd_memory_mode = memory_mode; - } - } - - if(unlikely(!st)) { - st = callocz(1, size); - st->rrd_memory_mode = (memory_mode == RRD_MEMORY_MODE_NONE) ? RRD_MEMORY_MODE_NONE : RRD_MEMORY_MODE_ALLOC; - } - - st->plugin_name = plugin?strdup(plugin):NULL; - st->module_name = module?strdup(module):NULL; - - st->config_section = strdup(config_section); - st->rrdhost = host; - st->memsize = size; - st->entries = entries; - st->update_every = update_every; - - if(st->current_entry >= st->entries) st->current_entry = 0; - - strcpy(st->cache_filename, fullfilename); - strcpy(st->magic, RRDSET_MAGIC); - - strcpy(st->id, fullid); - st->hash = simple_hash(st->id); - - st->cache_dir = cache_dir; - - st->chart_type = rrdset_type_id(config_get(st->config_section, "chart type", rrdset_type_name(chart_type))); - st->type = config_get(st->config_section, "type", type); - - st->family = config_get(st->config_section, "family", family?family:st->type); - json_fix_string(st->family); - - st->units = config_get(st->config_section, "units", units?units:""); - json_fix_string(st->units); - - st->context = config_get(st->config_section, "context", context?context:st->id); - json_fix_string(st->context); - st->hash_context = simple_hash(st->context); - - st->priority = config_get_number(st->config_section, "priority", priority); - if(enabled) - rrdset_flag_set(st, RRDSET_FLAG_ENABLED); - else - rrdset_flag_clear(st, RRDSET_FLAG_ENABLED); - - rrdset_flag_clear(st, RRDSET_FLAG_DETAIL); - rrdset_flag_clear(st, RRDSET_FLAG_DEBUG); - rrdset_flag_clear(st, RRDSET_FLAG_OBSOLETE); - rrdset_flag_clear(st, RRDSET_FLAG_EXPOSED_UPSTREAM); - - // if(!strcmp(st->id, "disk_util.dm-0")) { - // st->debug = 1; - // error("enabled debugging for '%s'", st->id); - // } - // else error("not enabled debugging for '%s'", st->id); - - st->green = NAN; - st->red = NAN; - - st->last_collected_time.tv_sec = 0; - st->last_collected_time.tv_usec = 0; - st->counter_done = 0; - - st->gap_when_lost_iterations_above = (int) (gap_when_lost_iterations_above + 2); - - st->last_accessed_time = 0; - st->upstream_resync_time = 0; - - avl_init_lock(&st->dimensions_index, rrddim_compare); - avl_init_lock(&st->rrdvar_root_index, rrdvar_compare); - - netdata_rwlock_init(&st->rrdset_rwlock); - - if(name && *name && rrdset_set_name(st, name)) - // we did set the name - ; - else - // could not use the name, use the id - rrdset_set_name(st, id); - - st->title = config_get(st->config_section, "title", title); - json_fix_string(st->title); - - st->rrdfamily = rrdfamily_create(host, st->family); - - st->next = host->rrdset_root; - host->rrdset_root = st; - - if(host->health_enabled) { - rrdsetvar_create(st, "last_collected_t", RRDVAR_TYPE_TIME_T, &st->last_collected_time.tv_sec, RRDVAR_OPTION_DEFAULT); - rrdsetvar_create(st, "collected_total_raw", RRDVAR_TYPE_TOTAL, &st->last_collected_total, RRDVAR_OPTION_DEFAULT); - rrdsetvar_create(st, "green", RRDVAR_TYPE_CALCULATED, &st->green, RRDVAR_OPTION_DEFAULT); - rrdsetvar_create(st, "red", RRDVAR_TYPE_CALCULATED, &st->red, RRDVAR_OPTION_DEFAULT); - rrdsetvar_create(st, "update_every", RRDVAR_TYPE_INT, &st->update_every, RRDVAR_OPTION_DEFAULT); - } - - if(unlikely(rrdset_index_add(host, st) != st)) - error("RRDSET: INTERNAL ERROR: attempt to index duplicate chart '%s'", st->id); - - rrdsetcalc_link_matching(st); - rrdcalctemplate_link_matching(st); - - rrdhost_cleanup_obsolete_charts(host); - - rrdhost_unlock(host); - - return(st); -} - - -// ---------------------------------------------------------------------------- -// RRDSET - data collection iteration control - -inline void rrdset_next_usec_unfiltered(RRDSET *st, usec_t microseconds) { - if(unlikely(!st->last_collected_time.tv_sec || !microseconds)) { - // call the full next_usec() function - rrdset_next_usec(st, microseconds); - return; - } - - st->usec_since_last_update = microseconds; -} - -inline void rrdset_next_usec(RRDSET *st, usec_t microseconds) { - struct timeval now; - now_realtime_timeval(&now); - - if(unlikely(!st->last_collected_time.tv_sec)) { - // the first entry - microseconds = st->update_every * USEC_PER_SEC; - } - else if(unlikely(!microseconds)) { - // no dt given by the plugin - microseconds = dt_usec(&now, &st->last_collected_time); - } - else { - // microseconds has the time since the last collection - susec_t since_last_usec = dt_usec_signed(&now, &st->last_collected_time); - - if(unlikely(since_last_usec < 0)) { - // oops! the database is in the future - info("RRD database for chart '%s' on host '%s' is %0.5" LONG_DOUBLE_MODIFIER " secs in the future (counter #%zu, update #%zu). Adjusting it to current time.", st->id, st->rrdhost->hostname, (LONG_DOUBLE)-since_last_usec / USEC_PER_SEC, st->counter, st->counter_done); - - st->last_collected_time.tv_sec = now.tv_sec - st->update_every; - st->last_collected_time.tv_usec = now.tv_usec; - last_collected_time_align(st); - - st->last_updated.tv_sec = now.tv_sec - st->update_every; - st->last_updated.tv_usec = now.tv_usec; - last_updated_time_align(st); - - microseconds = st->update_every * USEC_PER_SEC; - } - else if(unlikely((usec_t)since_last_usec > (usec_t)(st->update_every * 10 * USEC_PER_SEC))) { - // oops! the database is too far behind - info("RRD database for chart '%s' on host '%s' is %0.5" LONG_DOUBLE_MODIFIER " secs in the past (counter #%zu, update #%zu). Adjusting it to current time.", st->id, st->rrdhost->hostname, (LONG_DOUBLE)since_last_usec / USEC_PER_SEC, st->counter, st->counter_done); - - microseconds = (usec_t)since_last_usec; - } - } - - #ifdef NETDATA_INTERNAL_CHECKS - debug(D_RRD_CALLS, "rrdset_next_usec() for chart %s with microseconds %llu", st->name, microseconds); - rrdset_debug(st, "NEXT: %llu microseconds", microseconds); - #endif - - st->usec_since_last_update = microseconds; -} - - -// ---------------------------------------------------------------------------- -// RRDSET - process the collected values for all dimensions of a chart - -static inline usec_t rrdset_init_last_collected_time(RRDSET *st) { - now_realtime_timeval(&st->last_collected_time); - last_collected_time_align(st); - - usec_t last_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "initialized last collected time to %0.3" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE)last_collect_ut / USEC_PER_SEC); - #endif - - return last_collect_ut; -} - -static inline usec_t rrdset_update_last_collected_time(RRDSET *st) { - usec_t last_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec; - usec_t ut = last_collect_ut + st->usec_since_last_update; - st->last_collected_time.tv_sec = (time_t) (ut / USEC_PER_SEC); - st->last_collected_time.tv_usec = (suseconds_t) (ut % USEC_PER_SEC); - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "updated last collected time to %0.3" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE)last_collect_ut / USEC_PER_SEC); - #endif - - return last_collect_ut; -} - -static inline usec_t rrdset_init_last_updated_time(RRDSET *st) { - // copy the last collected time to last updated time - st->last_updated.tv_sec = st->last_collected_time.tv_sec; - st->last_updated.tv_usec = st->last_collected_time.tv_usec; - - if(rrdset_flag_check(st, RRDSET_FLAG_STORE_FIRST)) - st->last_updated.tv_sec -= st->update_every; - - last_updated_time_align(st); - - usec_t last_updated_ut = st->last_updated.tv_sec * USEC_PER_SEC + st->last_updated.tv_usec; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "initialized last updated time to %0.3" LONG_DOUBLE_MODIFIER, (LONG_DOUBLE)last_updated_ut / USEC_PER_SEC); - #endif - - return last_updated_ut; -} - -static inline void rrdset_done_push_exclusive(RRDSET *st) { -// usec_t update_every_ut = st->update_every * USEC_PER_SEC; // st->update_every in microseconds -// -// if(unlikely(st->usec_since_last_update > update_every_ut * remote_clock_resync_iterations)) { -// error("Chart '%s' was last collected %llu usec before. Resetting it.", st->id, st->usec_since_last_update); -// rrdset_reset(st); -// st->usec_since_last_update = update_every_ut; -// } - - if(unlikely(!st->last_collected_time.tv_sec)) { - // it is the first entry - // set the last_collected_time to now - rrdset_init_last_collected_time(st); - } - else { - // it is not the first entry - // calculate the proper last_collected_time, using usec_since_last_update - rrdset_update_last_collected_time(st); - } - - st->counter_done++; - - rrdset_rdlock(st); - rrdset_done_push(st); - rrdset_unlock(st); -} - - -static inline size_t rrdset_done_interpolate( - RRDSET *st - , usec_t update_every_ut - , usec_t last_stored_ut - , usec_t next_store_ut - , usec_t last_collect_ut - , usec_t now_collect_ut - , char store_this_entry - , uint32_t storage_flags -) { - RRDDIM *rd; - - size_t stored_entries = 0; // the number of entries we have stored in the db, during this call to rrdset_done() - - usec_t first_ut = last_stored_ut, last_ut = 0; - ssize_t iterations = (ssize_t)((now_collect_ut - last_stored_ut) / (update_every_ut)); - if((now_collect_ut % (update_every_ut)) == 0) iterations++; - - size_t counter = st->counter; - long current_entry = st->current_entry; - - for( ; next_store_ut <= now_collect_ut ; last_collect_ut = next_store_ut, next_store_ut += update_every_ut, iterations-- ) { - - #ifdef NETDATA_INTERNAL_CHECKS - if(iterations < 0) { error("INTERNAL CHECK: %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); } - rrdset_debug(st, "last_stored_ut = %0.3" LONG_DOUBLE_MODIFIER " (last updated time)", (LONG_DOUBLE)last_stored_ut/USEC_PER_SEC); - rrdset_debug(st, "next_store_ut = %0.3" LONG_DOUBLE_MODIFIER " (next interpolation point)", (LONG_DOUBLE)next_store_ut/USEC_PER_SEC); - #endif - - last_ut = next_store_ut; - - rrddim_foreach_read(rd, st) { - calculated_number new_value; - - switch(rd->algorithm) { - case RRD_ALGORITHM_INCREMENTAL: - new_value = (calculated_number) - ( rd->calculated_value - * (calculated_number)(next_store_ut - last_collect_ut) - / (calculated_number)(now_collect_ut - last_collect_ut) - ); - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: CALC2 INC " - CALCULATED_NUMBER_FORMAT " = " - CALCULATED_NUMBER_FORMAT - " * (%llu - %llu)" - " / (%llu - %llu)" - , rd->name - , new_value - , rd->calculated_value - , next_store_ut, last_collect_ut - , now_collect_ut, last_collect_ut - ); - #endif - - rd->calculated_value -= new_value; - new_value += rd->last_calculated_value; - rd->last_calculated_value = 0; - new_value /= (calculated_number)st->update_every; - - if(unlikely(next_store_ut - last_stored_ut < update_every_ut)) { - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: COLLECTION POINT IS SHORT " CALCULATED_NUMBER_FORMAT " - EXTRAPOLATING", - rd->name - , (calculated_number)(next_store_ut - last_stored_ut) - ); - #endif - - new_value = new_value * (calculated_number)(st->update_every * USEC_PER_SEC) / (calculated_number)(next_store_ut - last_stored_ut); - } - break; - - case RRD_ALGORITHM_ABSOLUTE: - case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL: - case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL: - default: - if(iterations == 1) { - // this is the last iteration - // do not interpolate - // just show the calculated value - - new_value = rd->calculated_value; - } - else { - // we have missed an update - // interpolate in the middle values - - new_value = (calculated_number) - ( ( (rd->calculated_value - rd->last_calculated_value) - * (calculated_number)(next_store_ut - last_collect_ut) - / (calculated_number)(now_collect_ut - last_collect_ut) - ) - + rd->last_calculated_value - ); - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: CALC2 DEF " - CALCULATED_NUMBER_FORMAT " = (((" - "(" CALCULATED_NUMBER_FORMAT " - " CALCULATED_NUMBER_FORMAT ")" - " * %llu" - " / %llu) + " CALCULATED_NUMBER_FORMAT - , rd->name - , new_value - , rd->calculated_value, rd->last_calculated_value - , (next_store_ut - first_ut) - , (now_collect_ut - first_ut), rd->last_calculated_value - ); - #endif - } - break; - } - - if(unlikely(!store_this_entry)) { - rd->values[current_entry] = SN_EMPTY_SLOT; //pack_storage_number(0, SN_NOT_EXISTS); - continue; - } - - if(likely(rd->updated && rd->collections_counter > 1 && iterations < st->gap_when_lost_iterations_above)) { - rd->values[current_entry] = pack_storage_number(new_value, storage_flags ); - rd->last_stored_value = new_value; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: STORE[%ld] " - CALCULATED_NUMBER_FORMAT " = " CALCULATED_NUMBER_FORMAT - , rd->name - , current_entry - , unpack_storage_number(rd->values[current_entry]), new_value - ); - #endif - - } - else { - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: STORE[%ld] = NON EXISTING " - , rd->name - , current_entry - ); - #endif - - rd->values[current_entry] = SN_EMPTY_SLOT; // pack_storage_number(0, SN_NOT_EXISTS); - rd->last_stored_value = NAN; - } - - stored_entries++; - - #ifdef NETDATA_INTERNAL_CHECKS - if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) { - calculated_number t1 = new_value * (calculated_number)rd->multiplier / (calculated_number)rd->divisor; - calculated_number t2 = unpack_storage_number(rd->values[current_entry]); - - calculated_number accuracy = accuracy_loss(t1, t2); - debug(D_RRD_STATS, "%s/%s: UNPACK[%ld] = " CALCULATED_NUMBER_FORMAT " FLAGS=0x%08x (original = " CALCULATED_NUMBER_FORMAT ", accuracy loss = " CALCULATED_NUMBER_FORMAT "%%%s)" - , st->id, rd->name - , current_entry - , t2 - , get_storage_number_flags(rd->values[current_entry]) - , t1 - , accuracy - , (accuracy > ACCURACY_LOSS) ? " **TOO BIG** " : "" - ); - - rd->collected_volume += t1; - rd->stored_volume += t2; - - accuracy = accuracy_loss(rd->collected_volume, rd->stored_volume); - debug(D_RRD_STATS, "%s/%s: VOLUME[%ld] = " CALCULATED_NUMBER_FORMAT ", calculated = " CALCULATED_NUMBER_FORMAT ", accuracy loss = " CALCULATED_NUMBER_FORMAT "%%%s" - , st->id, rd->name - , current_entry - , rd->stored_volume - , rd->collected_volume - , accuracy - , (accuracy > ACCURACY_LOSS) ? " **TOO BIG** " : "" - ); - } - #endif - } - // reset the storage flags for the next point, if any; - storage_flags = SN_EXISTS; - - counter++; - current_entry = ((current_entry + 1) >= st->entries) ? 0 : current_entry + 1; - last_stored_ut = next_store_ut; - } - - st->counter = counter; - st->current_entry = current_entry; - - if(likely(last_ut)) { - st->last_updated.tv_sec = (time_t) (last_ut / USEC_PER_SEC); - st->last_updated.tv_usec = 0; - } - - return stored_entries; -} - -static inline void rrdset_done_fill_the_gap(RRDSET *st) { - usec_t update_every_ut = st->update_every * USEC_PER_SEC; - usec_t now_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec; - - long c = 0, entries = st->entries; - RRDDIM *rd; - rrddim_foreach_read(rd, st) { - usec_t next_store_ut = (st->last_updated.tv_sec + st->update_every) * USEC_PER_SEC; - long current_entry = st->current_entry; - - for(c = 0; c < entries && next_store_ut <= now_collect_ut ; next_store_ut += update_every_ut, c++) { - rd->values[current_entry] = SN_EMPTY_SLOT; - current_entry = ((current_entry + 1) >= entries) ? 0 : current_entry + 1; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: STORE[%ld] = NON EXISTING (FILLED THE GAP)", rd->name, current_entry); - #endif - } - } - - if(c > 0) { - c--; - st->last_updated.tv_sec += c * st->update_every; - - st->current_entry += c; - if(st->current_entry >= st->entries) - st->current_entry -= st->entries; - } -} - -void rrdset_done(RRDSET *st) { - if(unlikely(netdata_exit)) return; - - if(unlikely(st->rrd_memory_mode == RRD_MEMORY_MODE_NONE)) { - if(unlikely(st->rrdhost->rrdpush_send_enabled)) - rrdset_done_push_exclusive(st); - - return; - } - - debug(D_RRD_CALLS, "rrdset_done() for chart %s", st->name); - - RRDDIM *rd; - - char - store_this_entry = 1, // boolean: 1 = store this entry, 0 = don't store this entry - first_entry = 0; // boolean: 1 = this is the first entry seen for this chart, 0 = all other entries - - usec_t - last_collect_ut, // the timestamp in microseconds, of the last collected value - now_collect_ut, // the timestamp in microseconds, of this collected value (this is NOW) - last_stored_ut, // the timestamp in microseconds, of the last stored entry in the db - next_store_ut, // the timestamp in microseconds, of the next entry to store in the db - update_every_ut = st->update_every * USEC_PER_SEC; // st->update_every in microseconds - - netdata_thread_disable_cancelability(); - - // a read lock is OK here - rrdset_rdlock(st); - - if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_OBSOLETE))) { - error("Chart '%s' has the OBSOLETE flag set, but it is collected.", st->id); - rrdset_isnot_obsolete(st); - } - - // check if the chart has a long time to be updated - if(unlikely(st->usec_since_last_update > st->entries * update_every_ut)) { - info("host '%s', chart %s: took too long to be updated (counter #%zu, update #%zu, %0.3" LONG_DOUBLE_MODIFIER " secs). Resetting it.", st->rrdhost->hostname, st->name, st->counter, st->counter_done, (LONG_DOUBLE)st->usec_since_last_update / USEC_PER_SEC); - rrdset_reset(st); - st->usec_since_last_update = update_every_ut; - store_this_entry = 0; - first_entry = 1; - } - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "microseconds since last update: %llu", st->usec_since_last_update); - #endif - - // set last_collected_time - if(unlikely(!st->last_collected_time.tv_sec)) { - // it is the first entry - // set the last_collected_time to now - last_collect_ut = rrdset_init_last_collected_time(st) - update_every_ut; - - // the first entry should not be stored - store_this_entry = 0; - first_entry = 1; - } - else { - // it is not the first entry - // calculate the proper last_collected_time, using usec_since_last_update - last_collect_ut = rrdset_update_last_collected_time(st); - } - - // if this set has not been updated in the past - // we fake the last_update time to be = now - usec_since_last_update - if(unlikely(!st->last_updated.tv_sec)) { - // it has never been updated before - // set a fake last_updated, in the past using usec_since_last_update - rrdset_init_last_updated_time(st); - - // the first entry should not be stored - store_this_entry = 0; - first_entry = 1; - } - - // check if we will re-write the entire data set - if(unlikely(dt_usec(&st->last_collected_time, &st->last_updated) > st->entries * update_every_ut)) { - 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); - rrdset_reset(st); - rrdset_init_last_updated_time(st); - - st->usec_since_last_update = update_every_ut; - - // the first entry should not be stored - store_this_entry = 0; - first_entry = 1; - } - - // these are the 3 variables that will help us in interpolation - // last_stored_ut = the last time we added a value to the storage - // now_collect_ut = the time the current value has been collected - // next_store_ut = the time of the next interpolation point - now_collect_ut = st->last_collected_time.tv_sec * USEC_PER_SEC + st->last_collected_time.tv_usec; - last_stored_ut = st->last_updated.tv_sec * USEC_PER_SEC + st->last_updated.tv_usec; - next_store_ut = (st->last_updated.tv_sec + st->update_every) * USEC_PER_SEC; - - if(unlikely(!st->counter_done)) { - // if we have not collected metrics this session (st->counter_done == 0) - // and we have collected metrics for this chart in the past (st->counter != 0) - // fill the gap (the chart has been just loaded from disk) - if(unlikely(st->counter)) { - rrdset_done_fill_the_gap(st); - last_stored_ut = st->last_updated.tv_sec * USEC_PER_SEC + st->last_updated.tv_usec; - next_store_ut = (st->last_updated.tv_sec + st->update_every) * USEC_PER_SEC; - } - - if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_STORE_FIRST))) { - store_this_entry = 1; - last_collect_ut = next_store_ut - update_every_ut; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "Fixed first entry."); - #endif - } - else { - store_this_entry = 0; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "Will not store the next entry."); - #endif - } - } - st->counter_done++; - - if(unlikely(st->rrdhost->rrdpush_send_enabled)) - rrdset_done_push(st); - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "last_collect_ut = %0.3" LONG_DOUBLE_MODIFIER " (last collection time)", (LONG_DOUBLE)last_collect_ut/USEC_PER_SEC); - rrdset_debug(st, "now_collect_ut = %0.3" LONG_DOUBLE_MODIFIER " (current collection time)", (LONG_DOUBLE)now_collect_ut/USEC_PER_SEC); - rrdset_debug(st, "last_stored_ut = %0.3" LONG_DOUBLE_MODIFIER " (last updated time)", (LONG_DOUBLE)last_stored_ut/USEC_PER_SEC); - rrdset_debug(st, "next_store_ut = %0.3" LONG_DOUBLE_MODIFIER " (next interpolation point)", (LONG_DOUBLE)next_store_ut/USEC_PER_SEC); - #endif - - // calculate totals and count the dimensions - int dimensions = 0; - st->collected_total = 0; - rrddim_foreach_read(rd, st) { - dimensions++; - if(likely(rd->updated)) - st->collected_total += rd->collected_value; - } - - uint32_t storage_flags = SN_EXISTS; - - // process all dimensions to calculate their values - // based on the collected figures only - // at this stage we do not interpolate anything - rrddim_foreach_read(rd, st) { - - if(unlikely(!rd->updated)) { - rd->calculated_value = 0; - continue; - } - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: START " - " last_collected_value = " COLLECTED_NUMBER_FORMAT - " collected_value = " COLLECTED_NUMBER_FORMAT - " last_calculated_value = " CALCULATED_NUMBER_FORMAT - " calculated_value = " CALCULATED_NUMBER_FORMAT - , rd->name - , rd->last_collected_value - , rd->collected_value - , rd->last_calculated_value - , rd->calculated_value - ); - #endif - - switch(rd->algorithm) { - case RRD_ALGORITHM_ABSOLUTE: - rd->calculated_value = (calculated_number)rd->collected_value - * (calculated_number)rd->multiplier - / (calculated_number)rd->divisor; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: CALC ABS/ABS-NO-IN " - CALCULATED_NUMBER_FORMAT " = " - COLLECTED_NUMBER_FORMAT - " * " CALCULATED_NUMBER_FORMAT - " / " CALCULATED_NUMBER_FORMAT - , rd->name - , rd->calculated_value - , rd->collected_value - , (calculated_number)rd->multiplier - , (calculated_number)rd->divisor - ); - #endif - - break; - - case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL: - if(unlikely(!st->collected_total)) - rd->calculated_value = 0; - else - // the percentage of the current value - // over the total of all dimensions - rd->calculated_value = - (calculated_number)100 - * (calculated_number)rd->collected_value - / (calculated_number)st->collected_total; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: CALC PCENT-ROW " - CALCULATED_NUMBER_FORMAT " = 100" - " * " COLLECTED_NUMBER_FORMAT - " / " COLLECTED_NUMBER_FORMAT - , rd->name - , rd->calculated_value - , rd->collected_value - , st->collected_total - ); - #endif - - break; - - case RRD_ALGORITHM_INCREMENTAL: - if(unlikely(rd->collections_counter <= 1)) { - rd->calculated_value = 0; - continue; - } - - // if the new is smaller than the old (an overflow, or reset), set the old equal to the new - // to reset the calculation (it will give zero as the calculation for this second) - if(unlikely(rd->last_collected_value > rd->collected_value)) { - debug(D_RRD_STATS, "%s.%s: RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT - , st->name, rd->name - , rd->last_collected_value - , rd->collected_value); - - if(!(rrddim_flag_check(rd, RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS))) - storage_flags = SN_EXISTS_RESET; - - rd->last_collected_value = rd->collected_value; - } - - rd->calculated_value += - (calculated_number)(rd->collected_value - rd->last_collected_value) - * (calculated_number)rd->multiplier - / (calculated_number)rd->divisor; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: CALC INC PRE " - CALCULATED_NUMBER_FORMAT " = (" - COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT - ")" - " * " CALCULATED_NUMBER_FORMAT - " / " CALCULATED_NUMBER_FORMAT - , rd->name - , rd->calculated_value - , rd->collected_value, rd->last_collected_value - , (calculated_number)rd->multiplier - , (calculated_number)rd->divisor - ); - #endif - - break; - - case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL: - if(unlikely(rd->collections_counter <= 1)) { - rd->calculated_value = 0; - continue; - } - - // if the new is smaller than the old (an overflow, or reset), set the old equal to the new - // to reset the calculation (it will give zero as the calculation for this second) - if(unlikely(rd->last_collected_value > rd->collected_value)) { - debug(D_RRD_STATS, "%s.%s: RESET or OVERFLOW. Last collected value = " COLLECTED_NUMBER_FORMAT ", current = " COLLECTED_NUMBER_FORMAT - , st->name, rd->name - , rd->last_collected_value - , rd->collected_value - ); - - if(!(rrddim_flag_check(rd, RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS))) - storage_flags = SN_EXISTS_RESET; - - rd->last_collected_value = rd->collected_value; - } - - // the percentage of the current increment - // over the increment of all dimensions together - if(unlikely(st->collected_total == st->last_collected_total)) - rd->calculated_value = 0; - else - rd->calculated_value = - (calculated_number)100 - * (calculated_number)(rd->collected_value - rd->last_collected_value) - / (calculated_number)(st->collected_total - st->last_collected_total); - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: CALC PCENT-DIFF " - CALCULATED_NUMBER_FORMAT " = 100" - " * (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")" - " / (" COLLECTED_NUMBER_FORMAT " - " COLLECTED_NUMBER_FORMAT ")" - , rd->name - , rd->calculated_value - , rd->collected_value, rd->last_collected_value - , st->collected_total, st->last_collected_total - ); - #endif - - break; - - default: - // make the default zero, to make sure - // it gets noticed when we add new types - rd->calculated_value = 0; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: CALC " - CALCULATED_NUMBER_FORMAT " = 0" - , rd->name - , rd->calculated_value - ); - #endif - - break; - } - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: PHASE2 " - " last_collected_value = " COLLECTED_NUMBER_FORMAT - " collected_value = " COLLECTED_NUMBER_FORMAT - " last_calculated_value = " CALCULATED_NUMBER_FORMAT - " calculated_value = " CALCULATED_NUMBER_FORMAT - , rd->name - , rd->last_collected_value - , rd->collected_value - , rd->last_calculated_value - , rd->calculated_value - ); - #endif - - } - - // at this point we have all the calculated values ready - // it is now time to interpolate values on a second boundary - -#ifdef NETDATA_INTERNAL_CHECKS - if(unlikely(now_collect_ut < next_store_ut)) { - // this is collected in the same interpolation point - rrdset_debug(st, "THIS IS IN THE SAME INTERPOLATION POINT"); - info("INTERNAL CHECK: host '%s', chart '%s' is collected in the same interpolation point: short by %llu microseconds", st->rrdhost->hostname, st->name, next_store_ut - now_collect_ut); - } -#endif - - rrdset_done_interpolate(st - , update_every_ut - , last_stored_ut - , next_store_ut - , last_collect_ut - , now_collect_ut - , store_this_entry - , storage_flags - ); - - st->last_collected_total = st->collected_total; - - rrddim_foreach_read(rd, st) { - if(unlikely(!rd->updated)) - continue; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: setting last_collected_value (old: " COLLECTED_NUMBER_FORMAT ") to last_collected_value (new: " COLLECTED_NUMBER_FORMAT ")", rd->name, rd->last_collected_value, rd->collected_value); - #endif - - rd->last_collected_value = rd->collected_value; - - switch(rd->algorithm) { - case RRD_ALGORITHM_INCREMENTAL: - if(unlikely(!first_entry)) { - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: setting last_calculated_value (old: " CALCULATED_NUMBER_FORMAT ") to last_calculated_value (new: " CALCULATED_NUMBER_FORMAT ")", rd->name, rd->last_calculated_value + rd->calculated_value, rd->calculated_value); - #endif - - rd->last_calculated_value += rd->calculated_value; - } - else { - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "THIS IS THE FIRST POINT"); - #endif - } - break; - - case RRD_ALGORITHM_ABSOLUTE: - case RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL: - case RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL: - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: setting last_calculated_value (old: " CALCULATED_NUMBER_FORMAT ") to last_calculated_value (new: " CALCULATED_NUMBER_FORMAT ")", rd->name, rd->last_calculated_value, rd->calculated_value); - #endif - - rd->last_calculated_value = rd->calculated_value; - break; - } - - rd->calculated_value = 0; - rd->collected_value = 0; - rd->updated = 0; - - #ifdef NETDATA_INTERNAL_CHECKS - rrdset_debug(st, "%s: END " - " last_collected_value = " COLLECTED_NUMBER_FORMAT - " collected_value = " COLLECTED_NUMBER_FORMAT - " last_calculated_value = " CALCULATED_NUMBER_FORMAT - " calculated_value = " CALCULATED_NUMBER_FORMAT - , rd->name - , rd->last_collected_value - , rd->collected_value - , rd->last_calculated_value - , rd->calculated_value - ); - #endif - - } - - // ALL DONE ABOUT THE DATA UPDATE - // -------------------------------------------------------------------- - -/* - // find if there are any obsolete dimensions (not updated recently) - if(unlikely(rrd_delete_unupdated_dimensions)) { - - for( rd = st->dimensions; likely(rd) ; rd = rd->next ) - if((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec) - break; - - if(unlikely(rd)) { - RRDDIM *last; - // there is dimension to free - // upgrade our read lock to a write lock - rrdset_unlock(st); - rrdset_wrlock(st); - - for( rd = st->dimensions, last = NULL ; likely(rd) ; ) { - // remove it only it is not updated in rrd_delete_unupdated_dimensions seconds - - if(unlikely((rd->last_collected_time.tv_sec + (rrd_delete_unupdated_dimensions * st->update_every)) < st->last_collected_time.tv_sec)) { - info("Removing obsolete dimension '%s' (%s) of '%s' (%s).", rd->name, rd->id, st->name, st->id); - - if(unlikely(!last)) { - st->dimensions = rd->next; - rd->next = NULL; - rrddim_free(st, rd); - rd = st->dimensions; - continue; - } - else { - last->next = rd->next; - rd->next = NULL; - rrddim_free(st, rd); - rd = last->next; - continue; - } - } - - last = rd; - rd = rd->next; - } - - if(unlikely(!st->dimensions)) { - info("Disabling chart %s (%s) since it does not have any dimensions", st->name, st->id); - st->enabled = 0; - } - } - } -*/ - - rrdset_unlock(st); - - netdata_thread_enable_cancelability(); -} |