From 1e6c93250172946eeb38e94a92a1fd12c9d3011e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Nov 2018 13:22:44 +0100 Subject: Merging upstream version 1.11.0+dfsg. Signed-off-by: Daniel Baumann --- src/health.c | 737 ----------------------------------------------------------- 1 file changed, 737 deletions(-) delete mode 100644 src/health.c (limited to 'src/health.c') diff --git a/src/health.c b/src/health.c deleted file mode 100644 index 04e04f089..000000000 --- a/src/health.c +++ /dev/null @@ -1,737 +0,0 @@ -#define NETDATA_HEALTH_INTERNALS -#include "common.h" - -int default_health_enabled = 1; - -// ---------------------------------------------------------------------------- -// health initialization - -inline char *health_config_dir(void) { - char buffer[FILENAME_MAX + 1]; - snprintfz(buffer, FILENAME_MAX, "%s/health.d", netdata_configured_config_dir); - return config_get(CONFIG_SECTION_HEALTH, "health configuration directory", buffer); -} - -void health_init(void) { - debug(D_HEALTH, "Health configuration initializing"); - - if(!(default_health_enabled = config_get_boolean(CONFIG_SECTION_HEALTH, "enabled", 1))) { - debug(D_HEALTH, "Health is disabled."); - return; - } -} - -// ---------------------------------------------------------------------------- -// re-load health configuration - -void health_reload_host(RRDHOST *host) { - if(unlikely(!host->health_enabled)) - return; - - char *path = health_config_dir(); - - // free all running alarms - rrdhost_wrlock(host); - - while(host->templates) - rrdcalctemplate_unlink_and_free(host, host->templates); - - while(host->alarms) - rrdcalc_unlink_and_free(host, host->alarms); - - rrdhost_unlock(host); - - // invalidate all previous entries in the alarm log - ALARM_ENTRY *t; - for(t = host->health_log.alarms ; t ; t = t->next) { - if(t->new_status != RRDCALC_STATUS_REMOVED) - t->flags |= HEALTH_ENTRY_FLAG_UPDATED; - } - - rrdhost_rdlock(host); - // reset all thresholds to all charts - RRDSET *st; - rrdset_foreach_read(st, host) { - st->green = NAN; - st->red = NAN; - } - rrdhost_unlock(host); - - // load the new alarms - rrdhost_wrlock(host); - health_readdir(host, path); - - // link the loaded alarms to their charts - rrdset_foreach_write(st, host) { - rrdsetcalc_link_matching(st); - rrdcalctemplate_link_matching(st); - } - - rrdhost_unlock(host); -} - -void health_reload(void) { - - rrd_rdlock(); - - RRDHOST *host; - rrdhost_foreach_read(host) - health_reload_host(host); - - rrd_unlock(); -} - -// ---------------------------------------------------------------------------- -// health main thread and friends - -static inline RRDCALC_STATUS rrdcalc_value2status(calculated_number n) { - if(isnan(n) || isinf(n)) return RRDCALC_STATUS_UNDEFINED; - if(n) return RRDCALC_STATUS_RAISED; - return RRDCALC_STATUS_CLEAR; -} - -#define ALARM_EXEC_COMMAND_LENGTH 8192 - -static inline void health_alarm_execute(RRDHOST *host, ALARM_ENTRY *ae) { - ae->flags |= HEALTH_ENTRY_FLAG_PROCESSED; - - if(unlikely(ae->new_status < RRDCALC_STATUS_CLEAR)) { - // do not send notifications for internal statuses - debug(D_HEALTH, "Health not sending notification for alarm '%s.%s' status %s (internal statuses)", ae->chart, ae->name, rrdcalc_status2string(ae->new_status)); - goto done; - } - - if(unlikely(ae->new_status <= RRDCALC_STATUS_CLEAR && (ae->flags & HEALTH_ENTRY_FLAG_NO_CLEAR_NOTIFICATION))) { - // do not send notifications for disabled statuses - debug(D_HEALTH, "Health not sending notification for alarm '%s.%s' status %s (it has no-clear-notification enabled)", ae->chart, ae->name, rrdcalc_status2string(ae->new_status)); - // mark it as run, so that we will send the same alarm if it happens again - goto done; - } - - // find the previous notification for the same alarm - // which we have run the exec script - // exception: alarms with HEALTH_ENTRY_FLAG_NO_CLEAR_NOTIFICATION set - if(likely(!(ae->flags & HEALTH_ENTRY_FLAG_NO_CLEAR_NOTIFICATION))) { - uint32_t id = ae->alarm_id; - ALARM_ENTRY *t; - for(t = ae->next; t ; t = t->next) { - if(t->alarm_id == id && t->flags & HEALTH_ENTRY_FLAG_EXEC_RUN) - break; - } - - if(likely(t)) { - // we have executed this alarm notification in the past - if(t && t->new_status == ae->new_status) { - // don't send the notification for the same status again - debug(D_HEALTH, "Health not sending again notification for alarm '%s.%s' status %s", ae->chart, ae->name - , rrdcalc_status2string(ae->new_status)); - goto done; - } - } - else { - // we have not executed this alarm notification in the past - // so, don't send CLEAR notifications - if(unlikely(ae->new_status == RRDCALC_STATUS_CLEAR)) { - debug(D_HEALTH, "Health not sending notification for first initialization of alarm '%s.%s' status %s" - , ae->chart, ae->name, rrdcalc_status2string(ae->new_status)); - goto done; - } - } - } - - static char command_to_run[ALARM_EXEC_COMMAND_LENGTH + 1]; - pid_t command_pid; - - const char *exec = (ae->exec) ? ae->exec : host->health_default_exec; - const char *recipient = (ae->recipient) ? ae->recipient : host->health_default_recipient; - - snprintfz(command_to_run, ALARM_EXEC_COMMAND_LENGTH, "exec %s '%s' '%s' '%u' '%u' '%u' '%lu' '%s' '%s' '%s' '%s' '%s' '" CALCULATED_NUMBER_FORMAT_ZERO "' '" CALCULATED_NUMBER_FORMAT_ZERO "' '%s' '%u' '%u' '%s' '%s' '%s' '%s'", - exec, - recipient, - host->registry_hostname, - ae->unique_id, - ae->alarm_id, - ae->alarm_event_id, - (unsigned long)ae->when, - ae->name, - ae->chart?ae->chart:"NOCAHRT", - ae->family?ae->family:"NOFAMILY", - rrdcalc_status2string(ae->new_status), - rrdcalc_status2string(ae->old_status), - ae->new_value, - ae->old_value, - ae->source?ae->source:"UNKNOWN", - (uint32_t)ae->duration, - (uint32_t)ae->non_clear_duration, - ae->units?ae->units:"", - ae->info?ae->info:"", - ae->new_value_string, - ae->old_value_string - ); - - ae->flags |= HEALTH_ENTRY_FLAG_EXEC_RUN; - ae->exec_run_timestamp = now_realtime_sec(); - - debug(D_HEALTH, "executing command '%s'", command_to_run); - FILE *fp = mypopen(command_to_run, &command_pid); - if(!fp) { - error("HEALTH: Cannot popen(\"%s\", \"r\").", command_to_run); - goto done; - } - debug(D_HEALTH, "HEALTH reading from command"); - char *s = fgets(command_to_run, FILENAME_MAX, fp); - (void)s; - ae->exec_code = mypclose(fp, command_pid); - debug(D_HEALTH, "done executing command - returned with code %d", ae->exec_code); - - if(ae->exec_code != 0) - ae->flags |= HEALTH_ENTRY_FLAG_EXEC_FAILED; - -done: - health_alarm_log_save(host, ae); -} - -static inline void health_process_notifications(RRDHOST *host, ALARM_ENTRY *ae) { - debug(D_HEALTH, "Health alarm '%s.%s' = " CALCULATED_NUMBER_FORMAT_AUTO " - changed status from %s to %s", - ae->chart?ae->chart:"NOCHART", ae->name, - ae->new_value, - rrdcalc_status2string(ae->old_status), - rrdcalc_status2string(ae->new_status) - ); - - health_alarm_execute(host, ae); -} - -static inline void health_alarm_log_process(RRDHOST *host) { - uint32_t first_waiting = (host->health_log.alarms)?host->health_log.alarms->unique_id:0; - time_t now = now_realtime_sec(); - - netdata_rwlock_rdlock(&host->health_log.alarm_log_rwlock); - - ALARM_ENTRY *ae; - for(ae = host->health_log.alarms; ae && ae->unique_id >= host->health_last_processed_id ; ae = ae->next) { - if(unlikely( - !(ae->flags & HEALTH_ENTRY_FLAG_PROCESSED) && - !(ae->flags & HEALTH_ENTRY_FLAG_UPDATED) - )) { - - if(unlikely(ae->unique_id < first_waiting)) - first_waiting = ae->unique_id; - - if(likely(now >= ae->delay_up_to_timestamp)) - health_process_notifications(host, ae); - } - } - - // remember this for the next iteration - host->health_last_processed_id = first_waiting; - - netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock); - - if(host->health_log.count <= host->health_log.max) - return; - - // cleanup excess entries in the log - netdata_rwlock_wrlock(&host->health_log.alarm_log_rwlock); - - ALARM_ENTRY *last = NULL; - unsigned int count = host->health_log.max * 2 / 3; - for(ae = host->health_log.alarms; ae && count ; count--, last = ae, ae = ae->next) ; - - if(ae && last && last->next == ae) - last->next = NULL; - else - ae = NULL; - - while(ae) { - debug(D_HEALTH, "Health removing alarm log entry with id: %u", ae->unique_id); - - ALARM_ENTRY *t = ae->next; - - health_alarm_log_free_one_nochecks_nounlink(ae); - - ae = t; - host->health_log.count--; - } - - netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock); -} - -static inline int rrdcalc_isrunnable(RRDCALC *rc, time_t now, time_t *next_run) { - if(unlikely(!rc->rrdset)) { - debug(D_HEALTH, "Health not running alarm '%s.%s'. It is not linked to a chart.", rc->chart?rc->chart:"NOCHART", rc->name); - return 0; - } - - if(unlikely(rc->next_update > now)) { - if (unlikely(*next_run > rc->next_update)) { - // update the next_run time of the main loop - // to run this alarm precisely the time required - *next_run = rc->next_update; - } - - debug(D_HEALTH, "Health not examining alarm '%s.%s' yet (will do in %d secs).", rc->chart?rc->chart:"NOCHART", rc->name, (int) (rc->next_update - now)); - return 0; - } - - if(unlikely(!rc->update_every)) { - debug(D_HEALTH, "Health not running alarm '%s.%s'. It does not have an update frequency", rc->chart?rc->chart:"NOCHART", rc->name); - return 0; - } - - if(unlikely(rrdset_flag_check(rc->rrdset, RRDSET_FLAG_OBSOLETE))) { - debug(D_HEALTH, "Health not running alarm '%s.%s'. The chart has been marked as obsolete", rc->chart?rc->chart:"NOCHART", rc->name); - return 0; - } - - if(unlikely(!rrdset_flag_check(rc->rrdset, RRDSET_FLAG_ENABLED))) { - debug(D_HEALTH, "Health not running alarm '%s.%s'. The chart is not enabled", rc->chart?rc->chart:"NOCHART", rc->name); - return 0; - } - - if(unlikely(!rc->rrdset->last_collected_time.tv_sec || rc->rrdset->counter_done < 2)) { - debug(D_HEALTH, "Health not running alarm '%s.%s'. Chart is not fully collected yet.", rc->chart?rc->chart:"NOCHART", rc->name); - return 0; - } - - int update_every = rc->rrdset->update_every; - time_t first = rrdset_first_entry_t(rc->rrdset); - time_t last = rrdset_last_entry_t(rc->rrdset); - - if(unlikely(now + update_every < first /* || now - update_every > last */)) { - debug(D_HEALTH - , "Health not examining alarm '%s.%s' yet (wanted time is out of bounds - we need %lu but got %lu - %lu)." - , rc->chart ? rc->chart : "NOCHART", rc->name, (unsigned long) now, (unsigned long) first - , (unsigned long) last); - return 0; - } - - if(RRDCALC_HAS_DB_LOOKUP(rc)) { - time_t needed = now + rc->before + rc->after; - - if(needed + update_every < first || needed - update_every > last) { - debug(D_HEALTH - , "Health not examining alarm '%s.%s' yet (not enough data yet - we need %lu but got %lu - %lu)." - , rc->chart ? rc->chart : "NOCHART", rc->name, (unsigned long) needed, (unsigned long) first - , (unsigned long) last); - return 0; - } - } - - return 1; -} - -static inline int check_if_resumed_from_suspention(void) { - static usec_t last_realtime = 0, last_monotonic = 0; - usec_t realtime = now_realtime_usec(), monotonic = now_monotonic_usec(); - int ret = 0; - - // detect if monotonic and realtime have twice the difference - // in which case we assume the system was just waken from hibernation - - if(last_realtime && last_monotonic && realtime - last_realtime > 2 * (monotonic - last_monotonic)) - ret = 1; - - last_realtime = realtime; - last_monotonic = monotonic; - - return ret; -} - -static void health_main_cleanup(void *ptr) { - struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr; - static_thread->enabled = NETDATA_MAIN_THREAD_EXITING; - - info("cleaning up..."); - - static_thread->enabled = NETDATA_MAIN_THREAD_EXITED; -} - -void *health_main(void *ptr) { - netdata_thread_cleanup_push(health_main_cleanup, ptr); - - int min_run_every = (int)config_get_number(CONFIG_SECTION_HEALTH, "run at least every seconds", 10); - if(min_run_every < 1) min_run_every = 1; - - time_t now = now_realtime_sec(); - time_t hibernation_delay = config_get_number(CONFIG_SECTION_HEALTH, "postpone alarms during hibernation for seconds", 60); - - unsigned int loop = 0; - while(!netdata_exit) { - loop++; - debug(D_HEALTH, "Health monitoring iteration no %u started", loop); - - int runnable = 0, apply_hibernation_delay = 0; - time_t next_run = now + min_run_every; - RRDCALC *rc; - - if(unlikely(check_if_resumed_from_suspention())) { - apply_hibernation_delay = 1; - - info("Postponing alarm checks for %ld seconds, because it seems that the system was just resumed from suspension." - , hibernation_delay - ); - } - - rrd_rdlock(); - - RRDHOST *host; - rrdhost_foreach_read(host) { - if(unlikely(!host->health_enabled)) - continue; - - if(unlikely(apply_hibernation_delay)) { - - info("Postponing health checks for %ld seconds, on host '%s'." - , hibernation_delay - , host->hostname - ); - - host->health_delay_up_to = now + hibernation_delay; - } - - if(unlikely(host->health_delay_up_to)) { - if(unlikely(now < host->health_delay_up_to)) - continue; - - info("Resuming health checks on host '%s'.", host->hostname); - host->health_delay_up_to = 0; - } - - rrdhost_rdlock(host); - - // the first loop is to lookup values from the db - for(rc = host->alarms; rc; rc = rc->next) { - if(unlikely(!rrdcalc_isrunnable(rc, now, &next_run))) { - if(unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE)) - rc->rrdcalc_flags &= ~RRDCALC_FLAG_RUNNABLE; - continue; - } - - runnable++; - rc->old_value = rc->value; - rc->rrdcalc_flags |= RRDCALC_FLAG_RUNNABLE; - - // ------------------------------------------------------------ - // if there is database lookup, do it - - if(unlikely(RRDCALC_HAS_DB_LOOKUP(rc))) { - /* time_t old_db_timestamp = rc->db_before; */ - int value_is_null = 0; - - int ret = rrdset2value_api_v1(rc->rrdset - , NULL - , &rc->value - , rc->dimensions - , 1 - , rc->after - , rc->before - , rc->group - , 0 - , rc->options - , &rc->db_after - , &rc->db_before - , &value_is_null - ); - - if(unlikely(ret != 200)) { - // database lookup failed - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_ERROR; - - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': database lookup returned error %d" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , ret - ); - } - else - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_ERROR; - - /* - RRDCALC_FLAG_DB_STALE not currently used - if (unlikely(old_db_timestamp == rc->db_before)) { - // database is stale - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); - - if (unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE))) { - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_STALE; - error("Health on host '%s', alarm '%s.%s': database is stale", host->hostname, rc->chart?rc->chart:"NOCHART", rc->name); - } - } - else if (unlikely(rc->rrdcalc_flags & RRDCALC_FLAG_DB_STALE)) - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_STALE; - */ - - if(unlikely(value_is_null)) { - // collected value is null - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_DB_NAN; - - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': database lookup returned empty value (possibly value is not collected yet)" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - ); - } - else - rc->rrdcalc_flags &= ~RRDCALC_FLAG_DB_NAN; - - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': database lookup gave value " CALCULATED_NUMBER_FORMAT - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , rc->value - ); - } - - // ------------------------------------------------------------ - // if there is calculation expression, run it - - if(unlikely(rc->calculation)) { - if(unlikely(!expression_evaluate(rc->calculation))) { - // calculation failed - rc->value = NAN; - rc->rrdcalc_flags |= RRDCALC_FLAG_CALC_ERROR; - - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': expression '%s' failed: %s" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , rc->calculation->parsed_as - , buffer_tostring(rc->calculation->error_msg) - ); - } - else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_CALC_ERROR; - - debug(D_HEALTH, "Health on host '%s', alarm '%s.%s': expression '%s' gave value " CALCULATED_NUMBER_FORMAT ": %s (source: %s)" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , rc->calculation->parsed_as - , rc->calculation->result - , buffer_tostring(rc->calculation->error_msg) - , rc->source - ); - - rc->value = rc->calculation->result; - } - } - } - rrdhost_unlock(host); - - if(unlikely(runnable && !netdata_exit)) { - rrdhost_rdlock(host); - - for(rc = host->alarms; rc; rc = rc->next) { - if(unlikely(!(rc->rrdcalc_flags & RRDCALC_FLAG_RUNNABLE))) - continue; - - RRDCALC_STATUS warning_status = RRDCALC_STATUS_UNDEFINED; - RRDCALC_STATUS critical_status = RRDCALC_STATUS_UNDEFINED; - - // -------------------------------------------------------- - // check the warning expression - - if(likely(rc->warning)) { - if(unlikely(!expression_evaluate(rc->warning))) { - // calculation failed - rc->rrdcalc_flags |= RRDCALC_FLAG_WARN_ERROR; - - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': warning expression failed with error: %s" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , buffer_tostring(rc->warning->error_msg) - ); - } - else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_WARN_ERROR; - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': warning expression gave value " CALCULATED_NUMBER_FORMAT ": %s (source: %s)" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , rc->warning->result - , buffer_tostring(rc->warning->error_msg) - , rc->source - ); - warning_status = rrdcalc_value2status(rc->warning->result); - } - } - - // -------------------------------------------------------- - // check the critical expression - - if(likely(rc->critical)) { - if(unlikely(!expression_evaluate(rc->critical))) { - // calculation failed - rc->rrdcalc_flags |= RRDCALC_FLAG_CRIT_ERROR; - - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': critical expression failed with error: %s" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , buffer_tostring(rc->critical->error_msg) - ); - } - else { - rc->rrdcalc_flags &= ~RRDCALC_FLAG_CRIT_ERROR; - debug(D_HEALTH - , "Health on host '%s', alarm '%s.%s': critical expression gave value " CALCULATED_NUMBER_FORMAT ": %s (source: %s)" - , host->hostname - , rc->chart ? rc->chart : "NOCHART" - , rc->name - , rc->critical->result - , buffer_tostring(rc->critical->error_msg) - , rc->source - ); - critical_status = rrdcalc_value2status(rc->critical->result); - } - } - - // -------------------------------------------------------- - // decide the final alarm status - - RRDCALC_STATUS status = RRDCALC_STATUS_UNDEFINED; - - switch(warning_status) { - case RRDCALC_STATUS_CLEAR: - status = RRDCALC_STATUS_CLEAR; - break; - - case RRDCALC_STATUS_RAISED: - status = RRDCALC_STATUS_WARNING; - break; - - default: - break; - } - - switch(critical_status) { - case RRDCALC_STATUS_CLEAR: - if(status == RRDCALC_STATUS_UNDEFINED) - status = RRDCALC_STATUS_CLEAR; - break; - - case RRDCALC_STATUS_RAISED: - status = RRDCALC_STATUS_CRITICAL; - break; - - default: - break; - } - - // -------------------------------------------------------- - // check if the new status and the old differ - - if(status != rc->status) { - int delay = 0; - - // apply trigger hysteresis - - if(now > rc->delay_up_to_timestamp) { - rc->delay_up_current = rc->delay_up_duration; - rc->delay_down_current = rc->delay_down_duration; - rc->delay_last = 0; - rc->delay_up_to_timestamp = 0; - } - else { - rc->delay_up_current = (int) (rc->delay_up_current * rc->delay_multiplier); - if(rc->delay_up_current > rc->delay_max_duration) - rc->delay_up_current = rc->delay_max_duration; - - rc->delay_down_current = (int) (rc->delay_down_current * rc->delay_multiplier); - if(rc->delay_down_current > rc->delay_max_duration) - rc->delay_down_current = rc->delay_max_duration; - } - - if(status > rc->status) - delay = rc->delay_up_current; - else - delay = rc->delay_down_current; - - // COMMENTED: because we do need to send raising alarms - // if(now + delay < rc->delay_up_to_timestamp) - // delay = (int)(rc->delay_up_to_timestamp - now); - - rc->delay_last = delay; - rc->delay_up_to_timestamp = now + delay; - - // add the alarm into the log - - health_alarm_log( - host - , rc->id - , rc->next_event_id++ - , now - , rc->name - , rc->rrdset->id - , rc->rrdset->family - , rc->exec - , rc->recipient - , now - rc->last_status_change - , rc->old_value - , rc->value - , rc->status - , status - , rc->source - , rc->units - , rc->info - , rc->delay_last - , (rc->options & RRDCALC_FLAG_NO_CLEAR_NOTIFICATION) ? HEALTH_ENTRY_FLAG_NO_CLEAR_NOTIFICATION : 0 - ); - - rc->last_status_change = now; - rc->status = status; - } - - rc->last_updated = now; - rc->next_update = now + rc->update_every; - - if(next_run > rc->next_update) - next_run = rc->next_update; - } - - rrdhost_unlock(host); - } - - if(unlikely(netdata_exit)) - break; - - // execute notifications - // and cleanup - health_alarm_log_process(host); - - if(unlikely(netdata_exit)) - break; - - } /* rrdhost_foreach */ - - rrd_unlock(); - - if(unlikely(netdata_exit)) - break; - - now = now_realtime_sec(); - if(now < next_run) { - debug(D_HEALTH, "Health monitoring iteration no %u done. Next iteration in %d secs", loop, (int) (next_run - now)); - sleep_usec(USEC_PER_SEC * (usec_t) (next_run - now)); - now = now_realtime_sec(); - } - else - debug(D_HEALTH, "Health monitoring iteration no %u done. Next iteration now", loop); - - } // forever - - netdata_thread_cleanup_pop(1); - return NULL; -} -- cgit v1.2.3