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#include "aclk_stats.h"
netdata_mutex_t aclk_stats_mutex = NETDATA_MUTEX_INITIALIZER;
int aclk_stats_enabled;
int query_thread_count;
// data ACLK stats need per query thread
struct aclk_qt_data {
RRDDIM *dim;
} *aclk_qt_data = NULL;
uint32_t *aclk_queries_per_thread = NULL;
uint32_t *aclk_queries_per_thread_sample = NULL;
struct aclk_metrics aclk_metrics = {
.online = 0,
};
struct aclk_metrics_per_sample aclk_metrics_per_sample;
struct aclk_mat_metrics aclk_mat_metrics = {
#ifdef NETDATA_INTERNAL_CHECKS
.latency = { .name = "aclk_latency_mqtt",
.prio = 200002,
.st = NULL,
.rd_avg = NULL,
.rd_max = NULL,
.rd_total = NULL,
.unit = "ms",
.title = "ACLK Message Publish Latency" },
#endif
.cloud_q_db_query_time = { .name = "aclk_db_query_time",
.prio = 200006,
.st = NULL,
.rd_avg = NULL,
.rd_max = NULL,
.rd_total = NULL,
.unit = "us",
.title = "Time it took to process cloud requested DB queries" },
.cloud_q_recvd_to_processed = { .name = "aclk_cloud_q_recvd_to_processed",
.prio = 200007,
.st = NULL,
.rd_avg = NULL,
.rd_max = NULL,
.rd_total = NULL,
.unit = "us",
.title = "Time from receiving the Cloud Query until it was picked up "
"by query thread (just before passing to the database)." }
};
void aclk_metric_mat_update(struct aclk_metric_mat_data *metric, usec_t measurement)
{
if (aclk_stats_enabled) {
ACLK_STATS_LOCK;
if (metric->max < measurement)
metric->max = measurement;
metric->total += measurement;
metric->count++;
ACLK_STATS_UNLOCK;
}
}
static void aclk_stats_collect(struct aclk_metrics_per_sample *per_sample, struct aclk_metrics *permanent)
{
static RRDSET *st_aclkstats = NULL;
static RRDDIM *rd_online_status = NULL;
if (unlikely(!st_aclkstats)) {
st_aclkstats = rrdset_create_localhost(
"netdata", "aclk_status", NULL, "aclk", NULL, "ACLK/Cloud connection status",
"connected", "netdata", "stats", 200000, localhost->rrd_update_every, RRDSET_TYPE_LINE);
rd_online_status = rrddim_add(st_aclkstats, "online", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_aclkstats);
rrddim_set_by_pointer(st_aclkstats, rd_online_status, per_sample->offline_during_sample ? 0 : permanent->online);
rrdset_done(st_aclkstats);
}
static void aclk_stats_query_queue(struct aclk_metrics_per_sample *per_sample)
{
static RRDSET *st_query_thread = NULL;
static RRDDIM *rd_queued = NULL;
static RRDDIM *rd_dispatched = NULL;
if (unlikely(!st_query_thread)) {
st_query_thread = rrdset_create_localhost(
"netdata", "aclk_query_per_second", NULL, "aclk", NULL, "ACLK Queries per second", "queries/s",
"netdata", "stats", 200001, localhost->rrd_update_every, RRDSET_TYPE_AREA);
rd_queued = rrddim_add(st_query_thread, "added", NULL, 1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
rd_dispatched = rrddim_add(st_query_thread, "dispatched", NULL, -1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_query_thread);
rrddim_set_by_pointer(st_query_thread, rd_queued, per_sample->queries_queued);
rrddim_set_by_pointer(st_query_thread, rd_dispatched, per_sample->queries_dispatched);
rrdset_done(st_query_thread);
}
static void aclk_stats_write_q(struct aclk_metrics_per_sample *per_sample)
{
static RRDSET *st = NULL;
static RRDDIM *rd_wq_add = NULL;
static RRDDIM *rd_wq_consumed = NULL;
if (unlikely(!st)) {
st = rrdset_create_localhost(
"netdata", "aclk_write_q", NULL, "aclk", NULL, "Write Queue Mosq->Libwebsockets", "kB/s",
"netdata", "stats", 200003, localhost->rrd_update_every, RRDSET_TYPE_AREA);
rd_wq_add = rrddim_add(st, "added", NULL, 1, 1024 * localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
rd_wq_consumed = rrddim_add(st, "consumed", NULL, 1, -1024 * localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st);
rrddim_set_by_pointer(st, rd_wq_add, per_sample->write_q_added);
rrddim_set_by_pointer(st, rd_wq_consumed, per_sample->write_q_consumed);
rrdset_done(st);
}
static void aclk_stats_read_q(struct aclk_metrics_per_sample *per_sample)
{
static RRDSET *st = NULL;
static RRDDIM *rd_rq_add = NULL;
static RRDDIM *rd_rq_consumed = NULL;
if (unlikely(!st)) {
st = rrdset_create_localhost(
"netdata", "aclk_read_q", NULL, "aclk", NULL, "Read Queue Libwebsockets->Mosq", "kB/s",
"netdata", "stats", 200004, localhost->rrd_update_every, RRDSET_TYPE_AREA);
rd_rq_add = rrddim_add(st, "added", NULL, 1, 1024 * localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
rd_rq_consumed = rrddim_add(st, "consumed", NULL, 1, -1024 * localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st);
rrddim_set_by_pointer(st, rd_rq_add, per_sample->read_q_added);
rrddim_set_by_pointer(st, rd_rq_consumed, per_sample->read_q_consumed);
rrdset_done(st);
}
static void aclk_stats_cloud_req(struct aclk_metrics_per_sample *per_sample)
{
static RRDSET *st = NULL;
static RRDDIM *rd_rq_rcvd = NULL;
static RRDDIM *rd_rq_err = NULL;
if (unlikely(!st)) {
st = rrdset_create_localhost(
"netdata", "aclk_cloud_req", NULL, "aclk", NULL, "Requests received from cloud", "req/s",
"netdata", "stats", 200005, localhost->rrd_update_every, RRDSET_TYPE_STACKED);
rd_rq_rcvd = rrddim_add(st, "received", NULL, 1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
rd_rq_err = rrddim_add(st, "malformed", NULL, 1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st);
rrddim_set_by_pointer(st, rd_rq_rcvd, per_sample->cloud_req_recvd - per_sample->cloud_req_err);
rrddim_set_by_pointer(st, rd_rq_err, per_sample->cloud_req_err);
rrdset_done(st);
}
#define MAX_DIM_NAME 16
static void aclk_stats_query_threads(uint32_t *queries_per_thread)
{
static RRDSET *st = NULL;
char dim_name[MAX_DIM_NAME];
if (unlikely(!st)) {
st = rrdset_create_localhost(
"netdata", "aclk_query_threads", NULL, "aclk", NULL, "Queries Processed Per Thread", "req/s",
"netdata", "stats", 200007, localhost->rrd_update_every, RRDSET_TYPE_STACKED);
for (int i = 0; i < query_thread_count; i++) {
if (snprintf(dim_name, MAX_DIM_NAME, "Query %d", i) < 0)
error("snprintf encoding error");
aclk_qt_data[i].dim = rrddim_add(st, dim_name, NULL, 1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
}
} else
rrdset_next(st);
for (int i = 0; i < query_thread_count; i++) {
rrddim_set_by_pointer(st, aclk_qt_data[i].dim, queries_per_thread[i]);
}
rrdset_done(st);
}
static void aclk_stats_mat_metric_process(struct aclk_metric_mat *metric, struct aclk_metric_mat_data *data)
{
if(unlikely(!metric->st)) {
metric->st = rrdset_create_localhost(
"netdata", metric->name, NULL, "aclk", NULL, metric->title, metric->unit, "netdata", "stats", metric->prio,
localhost->rrd_update_every, RRDSET_TYPE_LINE);
metric->rd_avg = rrddim_add(metric->st, "avg", NULL, 1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
metric->rd_max = rrddim_add(metric->st, "max", NULL, 1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
metric->rd_total = rrddim_add(metric->st, "total", NULL, 1, localhost->rrd_update_every, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(metric->st);
if(data->count)
rrddim_set_by_pointer(metric->st, metric->rd_avg, roundf((float)data->total / data->count));
else
rrddim_set_by_pointer(metric->st, metric->rd_avg, 0);
rrddim_set_by_pointer(metric->st, metric->rd_max, data->max);
rrddim_set_by_pointer(metric->st, metric->rd_total, data->total);
rrdset_done(metric->st);
}
void aclk_stats_thread_cleanup()
{
freez(aclk_qt_data);
freez(aclk_queries_per_thread);
freez(aclk_queries_per_thread_sample);
}
void *aclk_stats_main_thread(void *ptr)
{
struct aclk_stats_thread *args = ptr;
query_thread_count = args->query_thread_count;
aclk_qt_data = callocz(query_thread_count, sizeof(struct aclk_qt_data));
aclk_queries_per_thread = callocz(query_thread_count, sizeof(uint32_t));
aclk_queries_per_thread_sample = callocz(query_thread_count, sizeof(uint32_t));
heartbeat_t hb;
heartbeat_init(&hb);
usec_t step_ut = localhost->rrd_update_every * USEC_PER_SEC;
memset(&aclk_metrics_per_sample, 0, sizeof(struct aclk_metrics_per_sample));
struct aclk_metrics_per_sample per_sample;
struct aclk_metrics permanent;
while (!netdata_exit) {
netdata_thread_testcancel();
// ------------------------------------------------------------------------
// Wait for the next iteration point.
heartbeat_next(&hb, step_ut);
if (netdata_exit) break;
ACLK_STATS_LOCK;
// to not hold lock longer than necessary, especially not to hold it
// during database rrd* operations
memcpy(&per_sample, &aclk_metrics_per_sample, sizeof(struct aclk_metrics_per_sample));
memcpy(&permanent, &aclk_metrics, sizeof(struct aclk_metrics));
memset(&aclk_metrics_per_sample, 0, sizeof(struct aclk_metrics_per_sample));
memcpy(aclk_queries_per_thread_sample, aclk_queries_per_thread, sizeof(uint32_t) * query_thread_count);
memset(aclk_queries_per_thread, 0, sizeof(uint32_t) * query_thread_count);
ACLK_STATS_UNLOCK;
aclk_stats_collect(&per_sample, &permanent);
aclk_stats_query_queue(&per_sample);
aclk_stats_write_q(&per_sample);
aclk_stats_read_q(&per_sample);
aclk_stats_cloud_req(&per_sample);
aclk_stats_query_threads(aclk_queries_per_thread_sample);
#ifdef NETDATA_INTERNAL_CHECKS
aclk_stats_mat_metric_process(&aclk_mat_metrics.latency, &per_sample.latency);
#endif
aclk_stats_mat_metric_process(&aclk_mat_metrics.cloud_q_db_query_time, &per_sample.cloud_q_db_query_time);
aclk_stats_mat_metric_process(&aclk_mat_metrics.cloud_q_recvd_to_processed, &per_sample.cloud_q_recvd_to_processed);
}
return 0;
}
void aclk_stats_upd_online(int online) {
if(!aclk_stats_enabled)
return;
ACLK_STATS_LOCK;
aclk_metrics.online = online;
if(!online)
aclk_metrics_per_sample.offline_during_sample = 1;
ACLK_STATS_UNLOCK;
}
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