time_t first_t = rrdset_first_entry_t(st);
time_t last_t = rrdset_last_entry_t(st);
- if(unlikely(before - after < st->update_every && after != after - after % st->update_every))
- // when st->update_every is bigger than the frequency we send data to backend
- // skip the iterations that are not aligned to the database
+ if(unlikely(before < first_t || after > last_t))
+ // the chart has not been updated in the wanted timeframe
return NAN;
// align the time-frame
int default_port = 0;
int sock = -1;
uint32_t options;
- int enabled = config_get_boolean("backend", "enabled", 0);
- const char *source = config_get("backend", "data source", "average");
- const char *type = config_get("backend", "type", "graphite");
+ int enabled = config_get_boolean("backend", "enabled", 0);
+ const char *source = config_get("backend", "data source", "average");
+ const char *type = config_get("backend", "type", "graphite");
const char *destination = config_get("backend", "destination", "localhost");
- const char *prefix = config_get("backend", "prefix", "netdata");
- const char *hostname = config_get("backend", "hostname", localhost.hostname);
- int frequency = (int)config_get_number("backend", "update every", 10);
- int buffer_on_failures = (int)config_get_number("backend", "buffer on failures", 10);
- long timeoutms = config_get_number("backend", "timeout ms", frequency * 2 * 1000);
+ const char *prefix = config_get("backend", "prefix", "netdata");
+ const char *hostname = config_get("backend", "hostname", localhost->hostname);
+ int frequency = (int)config_get_number("backend", "update every", 10);
+ int buffer_on_failures = (int)config_get_number("backend", "buffer on failures", 10);
+ long timeoutms = config_get_number("backend", "timeout ms", frequency * 2 * 1000);
// ------------------------------------------------------------------------
// validate configuration options
// and prepare for sending data to our backend
+
if(!enabled || frequency < 1)
goto cleanup;
goto cleanup;
}
+ if(timeoutms < 1) {
+ error("BACKED invalid timeout %ld ms given. Assuming %d ms.", timeoutms, frequency * 2 * 1000);
+ timeoutms = frequency * 2 * 1000;
+ }
+ timeout.tv_sec = (timeoutms * 1000) / 1000000;
+ timeout.tv_usec = (timeoutms * 1000) % 1000000;
+
+
+ // ------------------------------------------------------------------------
+ // select the backend type
+
if(!strcmp(type, "graphite") || !strcmp(type, "graphite:plaintext")) {
default_port = 2003;
if(options == BACKEND_SOURCE_DATA_AS_COLLECTED)
goto cleanup;
}
- if(timeoutms < 1) {
- error("BACKED invalid timeout %ld ms given. Assuming %d ms.", timeoutms, frequency * 2 * 1000);
- timeoutms = frequency * 2 * 1000;
- }
- timeout.tv_sec = (timeoutms * 1000) / 1000000;
- timeout.tv_usec = (timeoutms * 1000) % 1000000;
// ------------------------------------------------------------------------
- // prepare the charts for monitoring the backend
+ // prepare the charts for monitoring the backend operation
struct rusage thread;
chart_backend_reconnects = 0,
chart_backend_latency = 0;
- RRDSET *chart_metrics = rrdset_find("netdata.backend_metrics");
- if(!chart_metrics) {
- chart_metrics = rrdset_create("netdata", "backend_metrics", NULL, "backend", NULL, "Netdata Buffered Metrics", "metrics", 130600, frequency, RRDSET_TYPE_LINE);
- rrddim_add(chart_metrics, "buffered", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(chart_metrics, "lost", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(chart_metrics, "sent", NULL, 1, 1, RRDDIM_ABSOLUTE);
- }
+ RRDSET *chart_metrics = rrdset_create_localhost("netdata", "backend_metrics", NULL, "backend", NULL, "Netdata Buffered Metrics", "metrics", 130600, frequency, RRDSET_TYPE_LINE);
+ rrddim_add(chart_metrics, "buffered", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_metrics, "lost", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_metrics, "sent", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
- RRDSET *chart_bytes = rrdset_find("netdata.backend_bytes");
- if(!chart_bytes) {
- chart_bytes = rrdset_create("netdata", "backend_bytes", NULL, "backend", NULL, "Netdata Backend Data Size", "KB", 130610, frequency, RRDSET_TYPE_AREA);
- rrddim_add(chart_bytes, "buffered", NULL, 1, 1024, RRDDIM_ABSOLUTE);
- rrddim_add(chart_bytes, "lost", NULL, 1, 1024, RRDDIM_ABSOLUTE);
- rrddim_add(chart_bytes, "sent", NULL, 1, 1024, RRDDIM_ABSOLUTE);
- rrddim_add(chart_bytes, "received", NULL, 1, 1024, RRDDIM_ABSOLUTE);
- }
+ RRDSET *chart_bytes = rrdset_create_localhost("netdata", "backend_bytes", NULL, "backend", NULL, "Netdata Backend Data Size", "KB", 130610, frequency, RRDSET_TYPE_AREA);
+ rrddim_add(chart_bytes, "buffered", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_bytes, "lost", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_bytes, "sent", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_bytes, "received", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
- RRDSET *chart_ops = rrdset_find("netdata.backend_ops");
- if(!chart_ops) {
- chart_ops = rrdset_create("netdata", "backend_ops", NULL, "backend", NULL, "Netdata Backend Operations", "operations", 130630, frequency, RRDSET_TYPE_LINE);
- rrddim_add(chart_ops, "write", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(chart_ops, "discard", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(chart_ops, "reconnect", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(chart_ops, "failure", NULL, 1, 1, RRDDIM_ABSOLUTE);
- rrddim_add(chart_ops, "read", NULL, 1, 1, RRDDIM_ABSOLUTE);
- }
+ RRDSET *chart_ops = rrdset_create_localhost("netdata", "backend_ops", NULL, "backend", NULL, "Netdata Backend Operations", "operations", 130630, frequency, RRDSET_TYPE_LINE);
+ rrddim_add(chart_ops, "write", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_ops, "discard", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_ops, "reconnect", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_ops, "failure", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(chart_ops, "read", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
/*
* this is misleading - we can only measure the time we need to send data
*
* issue #1432 and https://www.softlab.ntua.gr/facilities/documentation/unix/unix-socket-faq/unix-socket-faq-2.html
*
- RRDSET *chart_latency = rrdset_find("netdata.backend_latency");
- if(!chart_latency) {
- chart_latency = rrdset_create("netdata", "backend_latency", NULL, "backend", NULL, "Netdata Backend Latency", "ms", 130620, frequency, RRDSET_TYPE_AREA);
- rrddim_add(chart_latency, "latency", NULL, 1, 1000, RRDDIM_ABSOLUTE);
- }
+ RRDSET *chart_latency = rrdset_create_localhost("netdata", "backend_latency", NULL, "backend", NULL, "Netdata Backend Latency", "ms", 130620, frequency, RRDSET_TYPE_AREA);
+ rrddim_add(chart_latency, "latency", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
*/
- RRDSET *chart_rusage = rrdset_find("netdata.backend_thread_cpu");
- if(!chart_rusage) {
- chart_rusage = rrdset_create("netdata", "backend_thread_cpu", NULL, "backend", NULL, "NetData Backend Thread CPU usage", "milliseconds/s", 130630, frequency, RRDSET_TYPE_STACKED);
- rrddim_add(chart_rusage, "user", NULL, 1, 1000, RRDDIM_INCREMENTAL);
- rrddim_add(chart_rusage, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
- }
+ RRDSET *chart_rusage = rrdset_create_localhost("netdata", "backend_thread_cpu", NULL, "backend", NULL, "NetData Backend Thread CPU usage", "milliseconds/s", 130630, frequency, RRDSET_TYPE_STACKED);
+ rrddim_add(chart_rusage, "user", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(chart_rusage, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
+
// ------------------------------------------------------------------------
// prepare the backend main loop
heartbeat_init(&hb);
for(;;) {
+
// ------------------------------------------------------------------------
// Wait for the next iteration point.
heartbeat_next(&hb, step_ut);
time_t before = now_realtime_sec();
+
// ------------------------------------------------------------------------
// add to the buffer the data we need to send to the backend
- RRDSET *st;
+
int pthreadoldcancelstate;
if(unlikely(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &pthreadoldcancelstate) != 0))
error("Cannot set pthread cancel state to DISABLE.");
- rrdhost_rdlock(&localhost);
- for(st = localhost.rrdset_root; st ;st = st->next) {
- pthread_rwlock_rdlock(&st->rwlock);
+ RRDHOST *host;
+ for(host = localhost; host ; host = host->next) {
+ // for each host
+
+ rrdhost_rdlock(host);
+
+ RRDSET *st;
+ for(st = host->rrdset_root; st; st = st->next) {
+ // for each chart
+
+ pthread_rwlock_rdlock(&st->rwlock);
+
+ RRDDIM *rd;
+ for(rd = st->dimensions; rd; rd = rd->next) {
+ // for each dimension
+
+ if(rd->last_collected_time.tv_sec >= after)
+ chart_buffered_metrics += backend_request_formatter(b, prefix, host, (host == localhost)?hostname:host->hostname, st, rd, after, before, options);
+ }
- RRDDIM *rd;
- for(rd = st->dimensions; rd ;rd = rd->next) {
- if(rd->last_collected_time.tv_sec >= after)
- chart_buffered_metrics += backend_request_formatter(b, prefix, &localhost, hostname, st, rd, after, before, options);
+ pthread_rwlock_unlock(&st->rwlock);
}
- pthread_rwlock_unlock(&st->rwlock);
+ rrdhost_unlock(host);
}
- rrdhost_unlock(&localhost);
if(unlikely(pthread_setcancelstate(pthreadoldcancelstate, NULL) != 0))
error("Cannot set pthread cancel state to RESTORE (%d).", pthreadoldcancelstate);
// ------------------------------------------------------------------------
// update the monitoring charts
- if(chart_ops->counter_done) rrdset_next(chart_ops);
+ if(likely(chart_ops->counter_done)) rrdset_next(chart_ops);
rrddim_set(chart_ops, "read", chart_receptions);
rrddim_set(chart_ops, "write", chart_transmission_successes);
rrddim_set(chart_ops, "discard", chart_data_lost_events);
rrddim_set(chart_ops, "reconnect", chart_backend_reconnects);
rrdset_done(chart_ops);
- if(chart_metrics->counter_done) rrdset_next(chart_metrics);
+ if(likely(chart_metrics->counter_done)) rrdset_next(chart_metrics);
rrddim_set(chart_metrics, "buffered", chart_buffered_metrics);
rrddim_set(chart_metrics, "lost", chart_lost_metrics);
rrddim_set(chart_metrics, "sent", chart_sent_metrics);
rrdset_done(chart_metrics);
- if(chart_bytes->counter_done) rrdset_next(chart_bytes);
+ if(likely(chart_bytes->counter_done)) rrdset_next(chart_bytes);
rrddim_set(chart_bytes, "buffered", chart_buffered_bytes);
rrddim_set(chart_bytes, "lost", chart_lost_bytes);
rrddim_set(chart_bytes, "sent", chart_sent_bytes);
rrdset_done(chart_bytes);
/*
- if(chart_latency->counter_done) rrdset_next(chart_latency);
+ if(likely(chart_latency->counter_done)) rrdset_next(chart_latency);
rrddim_set(chart_latency, "latency", chart_backend_latency);
rrdset_done(chart_latency);
*/
getrusage(RUSAGE_THREAD, &thread);
- if(chart_rusage->counter_done) rrdset_next(chart_rusage);
+ if(likely(chart_rusage->counter_done)) rrdset_next(chart_rusage);
rrddim_set(chart_rusage, "user", thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
rrddim_set(chart_rusage, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
rrdset_done(chart_rusage);
projects / netdata.git / blobdiff