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netdata/daemon/global_statistics.c

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// SPDX-License-Identifier: GPL-3.0-or-later
#include "common.h"
#define GLOBAL_STATS_RESET_WEB_USEC_MAX 0x01
#define WORKER_JOB_GLOBAL 0
#define WORKER_JOB_REGISTRY 1
#define WORKER_JOB_WORKERS 2
#define WORKER_JOB_DBENGINE 3
#define WORKER_JOB_HEARTBEAT 4
#define WORKER_JOB_STRINGS 5
#define WORKER_JOB_DICTIONARIES 6
#if WORKER_UTILIZATION_MAX_JOB_TYPES < 7
#error WORKER_UTILIZATION_MAX_JOB_TYPES has to be at least 5
#endif
static struct global_statistics {
volatile uint16_t connected_clients;
volatile uint64_t web_requests;
volatile uint64_t web_usec;
volatile uint64_t web_usec_max;
volatile uint64_t bytes_received;
volatile uint64_t bytes_sent;
volatile uint64_t content_size;
volatile uint64_t compressed_content_size;
volatile uint64_t web_client_count;
volatile uint64_t rrdr_queries_made;
volatile uint64_t rrdr_db_points_read;
volatile uint64_t rrdr_result_points_generated;
volatile uint64_t sqlite3_queries_made;
volatile uint64_t sqlite3_queries_ok;
volatile uint64_t sqlite3_queries_failed;
volatile uint64_t sqlite3_queries_failed_busy;
volatile uint64_t sqlite3_queries_failed_locked;
volatile uint64_t sqlite3_rows;
volatile uint64_t sqlite3_metadata_cache_hit;
volatile uint64_t sqlite3_context_cache_hit;
volatile uint64_t sqlite3_metadata_cache_miss;
volatile uint64_t sqlite3_context_cache_miss;
volatile uint64_t sqlite3_metadata_cache_spill;
volatile uint64_t sqlite3_context_cache_spill;
volatile uint64_t sqlite3_metadata_cache_write;
volatile uint64_t sqlite3_context_cache_write;
} global_statistics = {
.connected_clients = 0,
.web_requests = 0,
.web_usec = 0,
.bytes_received = 0,
.bytes_sent = 0,
.content_size = 0,
.compressed_content_size = 0,
.web_client_count = 1,
.rrdr_queries_made = 0,
.rrdr_db_points_read = 0,
.rrdr_result_points_generated = 0,
};
void sqlite3_query_completed(bool success, bool busy, bool locked) {
__atomic_fetch_add(&global_statistics.sqlite3_queries_made, 1, __ATOMIC_RELAXED);
if(success) {
__atomic_fetch_add(&global_statistics.sqlite3_queries_ok, 1, __ATOMIC_RELAXED);
}
else {
__atomic_fetch_add(&global_statistics.sqlite3_queries_failed, 1, __ATOMIC_RELAXED);
if(busy)
__atomic_fetch_add(&global_statistics.sqlite3_queries_failed_busy, 1, __ATOMIC_RELAXED);
if(locked)
__atomic_fetch_add(&global_statistics.sqlite3_queries_failed_locked, 1, __ATOMIC_RELAXED);
}
}
void sqlite3_row_completed(void) {
__atomic_fetch_add(&global_statistics.sqlite3_rows, 1, __ATOMIC_RELAXED);
}
void rrdr_query_completed(uint64_t db_points_read, uint64_t result_points_generated) {
__atomic_fetch_add(&global_statistics.rrdr_queries_made, 1, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.rrdr_db_points_read, db_points_read, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.rrdr_result_points_generated, result_points_generated, __ATOMIC_RELAXED);
}
void finished_web_request_statistics(uint64_t dt,
uint64_t bytes_received,
uint64_t bytes_sent,
uint64_t content_size,
uint64_t compressed_content_size) {
uint64_t old_web_usec_max = global_statistics.web_usec_max;
while(dt > old_web_usec_max)
__atomic_compare_exchange(&global_statistics.web_usec_max, &old_web_usec_max, &dt, 1, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.web_requests, 1, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.web_usec, dt, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.bytes_received, bytes_received, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.bytes_sent, bytes_sent, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.content_size, content_size, __ATOMIC_RELAXED);
__atomic_fetch_add(&global_statistics.compressed_content_size, compressed_content_size, __ATOMIC_RELAXED);
}
uint64_t web_client_connected(void) {
__atomic_fetch_add(&global_statistics.connected_clients, 1, __ATOMIC_RELAXED);
return __atomic_fetch_add(&global_statistics.web_client_count, 1, __ATOMIC_RELAXED);
}
void web_client_disconnected(void) {
__atomic_fetch_sub(&global_statistics.connected_clients, 1, __ATOMIC_RELAXED);
}
static inline void global_statistics_copy(struct global_statistics *gs, uint8_t options) {
gs->connected_clients = __atomic_load_n(&global_statistics.connected_clients, __ATOMIC_RELAXED);
gs->web_requests = __atomic_load_n(&global_statistics.web_requests, __ATOMIC_RELAXED);
gs->web_usec = __atomic_load_n(&global_statistics.web_usec, __ATOMIC_RELAXED);
gs->web_usec_max = __atomic_load_n(&global_statistics.web_usec_max, __ATOMIC_RELAXED);
gs->bytes_received = __atomic_load_n(&global_statistics.bytes_received, __ATOMIC_RELAXED);
gs->bytes_sent = __atomic_load_n(&global_statistics.bytes_sent, __ATOMIC_RELAXED);
gs->content_size = __atomic_load_n(&global_statistics.content_size, __ATOMIC_RELAXED);
gs->compressed_content_size = __atomic_load_n(&global_statistics.compressed_content_size, __ATOMIC_RELAXED);
gs->web_client_count = __atomic_load_n(&global_statistics.web_client_count, __ATOMIC_RELAXED);
gs->rrdr_queries_made = __atomic_load_n(&global_statistics.rrdr_queries_made, __ATOMIC_RELAXED);
gs->rrdr_db_points_read = __atomic_load_n(&global_statistics.rrdr_db_points_read, __ATOMIC_RELAXED);
gs->rrdr_result_points_generated = __atomic_load_n(&global_statistics.rrdr_result_points_generated, __ATOMIC_RELAXED);
if(options & GLOBAL_STATS_RESET_WEB_USEC_MAX) {
uint64_t n = 0;
__atomic_compare_exchange(&global_statistics.web_usec_max, (uint64_t *) &gs->web_usec_max, &n, 1, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
}
gs->sqlite3_queries_made = __atomic_load_n(&global_statistics.sqlite3_queries_made, __ATOMIC_RELAXED);
gs->sqlite3_queries_ok = __atomic_load_n(&global_statistics.sqlite3_queries_ok, __ATOMIC_RELAXED);
gs->sqlite3_queries_failed = __atomic_load_n(&global_statistics.sqlite3_queries_failed, __ATOMIC_RELAXED);
gs->sqlite3_queries_failed_busy = __atomic_load_n(&global_statistics.sqlite3_queries_failed_busy, __ATOMIC_RELAXED);
gs->sqlite3_queries_failed_locked = __atomic_load_n(&global_statistics.sqlite3_queries_failed_locked, __ATOMIC_RELAXED);
gs->sqlite3_rows = __atomic_load_n(&global_statistics.sqlite3_rows, __ATOMIC_RELAXED);
gs->sqlite3_metadata_cache_hit = (uint64_t) sql_metadata_cache_stats(SQLITE_DBSTATUS_CACHE_HIT);
gs->sqlite3_context_cache_hit = (uint64_t) sql_context_cache_stats(SQLITE_DBSTATUS_CACHE_HIT);
gs->sqlite3_metadata_cache_miss = (uint64_t) sql_metadata_cache_stats(SQLITE_DBSTATUS_CACHE_MISS);
gs->sqlite3_context_cache_miss = (uint64_t) sql_context_cache_stats(SQLITE_DBSTATUS_CACHE_MISS);
gs->sqlite3_metadata_cache_spill = (uint64_t) sql_metadata_cache_stats(SQLITE_DBSTATUS_CACHE_SPILL);
gs->sqlite3_context_cache_spill = (uint64_t) sql_context_cache_stats(SQLITE_DBSTATUS_CACHE_SPILL);
gs->sqlite3_metadata_cache_write = (uint64_t) sql_metadata_cache_stats(SQLITE_DBSTATUS_CACHE_WRITE);
gs->sqlite3_context_cache_write = (uint64_t) sql_context_cache_stats(SQLITE_DBSTATUS_CACHE_WRITE);
}
static void global_statistics_charts(void) {
static unsigned long long old_web_requests = 0,
old_web_usec = 0,
old_content_size = 0,
old_compressed_content_size = 0;
static collected_number compression_ratio = -1,
average_response_time = -1;
static time_t netdata_start_time = 0;
if (!netdata_start_time)
netdata_start_time = now_boottime_sec();
time_t netdata_uptime = now_boottime_sec() - netdata_start_time;
struct global_statistics gs;
struct rusage me;
global_statistics_copy(&gs, GLOBAL_STATS_RESET_WEB_USEC_MAX);
getrusage(RUSAGE_SELF, &me);
// ----------------------------------------------------------------
{
static RRDSET *st_cpu = NULL;
static RRDDIM *rd_cpu_user = NULL,
*rd_cpu_system = NULL;
if (unlikely(!st_cpu)) {
st_cpu = rrdset_create_localhost(
"netdata"
, "server_cpu"
, NULL
, "netdata"
, NULL
, "Netdata CPU usage"
, "milliseconds/s"
, "netdata"
, "stats"
, 130000
, localhost->rrd_update_every
, RRDSET_TYPE_STACKED
);
rd_cpu_user = rrddim_add(st_cpu, "user", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
rd_cpu_system = rrddim_add(st_cpu, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_cpu);
rrddim_set_by_pointer(st_cpu, rd_cpu_user, me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec);
rrddim_set_by_pointer(st_cpu, rd_cpu_system, me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec);
rrdset_done(st_cpu);
}
// ----------------------------------------------------------------
{
static RRDSET *st_uptime = NULL;
static RRDDIM *rd_uptime = NULL;
if (unlikely(!st_uptime)) {
st_uptime = rrdset_create_localhost(
"netdata",
"uptime",
NULL,
"netdata",
NULL,
"Netdata uptime",
"seconds",
"netdata",
"stats",
130100,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_uptime = rrddim_add(st_uptime, "uptime", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_uptime);
rrddim_set_by_pointer(st_uptime, rd_uptime, netdata_uptime);
rrdset_done(st_uptime);
}
// ----------------------------------------------------------------
{
static RRDSET *st_clients = NULL;
static RRDDIM *rd_clients = NULL;
if (unlikely(!st_clients)) {
st_clients = rrdset_create_localhost(
"netdata"
, "clients"
, NULL
, "api"
, NULL
, "Netdata Web Clients"
, "connected clients"
, "netdata"
, "stats"
, 130200
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_clients = rrddim_add(st_clients, "clients", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(st_clients);
rrddim_set_by_pointer(st_clients, rd_clients, gs.connected_clients);
rrdset_done(st_clients);
}
// ----------------------------------------------------------------
{
static RRDSET *st_reqs = NULL;
static RRDDIM *rd_requests = NULL;
if (unlikely(!st_reqs)) {
st_reqs = rrdset_create_localhost(
"netdata"
, "requests"
, NULL
, "api"
, NULL
, "Netdata Web Requests"
, "requests/s"
, "netdata"
, "stats"
, 130300
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_requests = rrddim_add(st_reqs, "requests", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_reqs);
rrddim_set_by_pointer(st_reqs, rd_requests, (collected_number) gs.web_requests);
rrdset_done(st_reqs);
}
// ----------------------------------------------------------------
{
static RRDSET *st_bytes = NULL;
static RRDDIM *rd_in = NULL,
*rd_out = NULL;
if (unlikely(!st_bytes)) {
st_bytes = rrdset_create_localhost(
"netdata"
, "net"
, NULL
, "api"
, NULL
, "Netdata Network Traffic"
, "kilobits/s"
, "netdata"
, "stats"
, 130400
, localhost->rrd_update_every
, RRDSET_TYPE_AREA
);
rd_in = rrddim_add(st_bytes, "in", NULL, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
rd_out = rrddim_add(st_bytes, "out", NULL, -8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_bytes);
rrddim_set_by_pointer(st_bytes, rd_in, (collected_number) gs.bytes_received);
rrddim_set_by_pointer(st_bytes, rd_out, (collected_number) gs.bytes_sent);
rrdset_done(st_bytes);
}
// ----------------------------------------------------------------
{
static RRDSET *st_duration = NULL;
static RRDDIM *rd_average = NULL,
*rd_max = NULL;
if (unlikely(!st_duration)) {
st_duration = rrdset_create_localhost(
"netdata"
, "response_time"
, NULL
, "api"
, NULL
, "Netdata API Response Time"
, "milliseconds/request"
, "netdata"
, "stats"
, 130500
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_average = rrddim_add(st_duration, "average", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
rd_max = rrddim_add(st_duration, "max", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(st_duration);
uint64_t gweb_usec = gs.web_usec;
uint64_t gweb_requests = gs.web_requests;
uint64_t web_usec = (gweb_usec >= old_web_usec) ? gweb_usec - old_web_usec : 0;
uint64_t web_requests = (gweb_requests >= old_web_requests) ? gweb_requests - old_web_requests : 0;
old_web_usec = gweb_usec;
old_web_requests = gweb_requests;
if (web_requests)
average_response_time = (collected_number) (web_usec / web_requests);
if (unlikely(average_response_time != -1))
rrddim_set_by_pointer(st_duration, rd_average, average_response_time);
else
rrddim_set_by_pointer(st_duration, rd_average, 0);
rrddim_set_by_pointer(st_duration, rd_max, ((gs.web_usec_max)?(collected_number)gs.web_usec_max:average_response_time));
rrdset_done(st_duration);
}
// ----------------------------------------------------------------
{
static RRDSET *st_compression = NULL;
static RRDDIM *rd_savings = NULL;
if (unlikely(!st_compression)) {
st_compression = rrdset_create_localhost(
"netdata"
, "compression_ratio"
, NULL
, "api"
, NULL
, "Netdata API Responses Compression Savings Ratio"
, "percentage"
, "netdata"
, "stats"
, 130600
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_savings = rrddim_add(st_compression, "savings", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(st_compression);
// since we don't lock here to read the global statistics
// read the smaller value first
unsigned long long gcompressed_content_size = gs.compressed_content_size;
unsigned long long gcontent_size = gs.content_size;
unsigned long long compressed_content_size = gcompressed_content_size - old_compressed_content_size;
unsigned long long content_size = gcontent_size - old_content_size;
old_compressed_content_size = gcompressed_content_size;
old_content_size = gcontent_size;
if (content_size && content_size >= compressed_content_size)
compression_ratio = ((content_size - compressed_content_size) * 100 * 1000) / content_size;
if (compression_ratio != -1)
rrddim_set_by_pointer(st_compression, rd_savings, compression_ratio);
rrdset_done(st_compression);
}
// ----------------------------------------------------------------
if(gs.rrdr_queries_made) {
static RRDSET *st_rrdr_queries = NULL;
static RRDDIM *rd_queries = NULL;
if (unlikely(!st_rrdr_queries)) {
st_rrdr_queries = rrdset_create_localhost(
"netdata"
, "queries"
, NULL
, "queries"
, NULL
, "Netdata API Queries"
, "queries/s"
, "netdata"
, "stats"
, 131000
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_queries = rrddim_add(st_rrdr_queries, "queries", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_rrdr_queries);
rrddim_set_by_pointer(st_rrdr_queries, rd_queries, (collected_number)gs.rrdr_queries_made);
rrdset_done(st_rrdr_queries);
}
// ----------------------------------------------------------------
if(gs.rrdr_db_points_read || gs.rrdr_result_points_generated) {
static RRDSET *st_rrdr_points = NULL;
static RRDDIM *rd_points_read = NULL;
static RRDDIM *rd_points_generated = NULL;
if (unlikely(!st_rrdr_points)) {
st_rrdr_points = rrdset_create_localhost(
"netdata"
, "db_points"
, NULL
, "queries"
, NULL
, "Netdata API Points"
, "points/s"
, "netdata"
, "stats"
, 131001
, localhost->rrd_update_every
, RRDSET_TYPE_AREA
);
rd_points_read = rrddim_add(st_rrdr_points, "read", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_points_generated = rrddim_add(st_rrdr_points, "generated", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_rrdr_points);
rrddim_set_by_pointer(st_rrdr_points, rd_points_read, (collected_number)gs.rrdr_db_points_read);
rrddim_set_by_pointer(st_rrdr_points, rd_points_generated, (collected_number)gs.rrdr_result_points_generated);
rrdset_done(st_rrdr_points);
}
// ----------------------------------------------------------------
if(gs.sqlite3_queries_made) {
static RRDSET *st_sqlite3_queries = NULL;
static RRDDIM *rd_queries = NULL;
if (unlikely(!st_sqlite3_queries)) {
st_sqlite3_queries = rrdset_create_localhost(
"netdata"
, "sqlite3_queries"
, NULL
, "sqlite3"
, NULL
, "Netdata SQLite3 Queries"
, "queries/s"
, "netdata"
, "stats"
, 131100
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_queries = rrddim_add(st_sqlite3_queries, "queries", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_sqlite3_queries);
rrddim_set_by_pointer(st_sqlite3_queries, rd_queries, (collected_number)gs.sqlite3_queries_made);
rrdset_done(st_sqlite3_queries);
}
// ----------------------------------------------------------------
if(gs.sqlite3_queries_ok || gs.sqlite3_queries_failed) {
static RRDSET *st_sqlite3_queries_by_status = NULL;
static RRDDIM *rd_ok = NULL, *rd_failed = NULL, *rd_busy = NULL, *rd_locked = NULL;
if (unlikely(!st_sqlite3_queries_by_status)) {
st_sqlite3_queries_by_status = rrdset_create_localhost(
"netdata"
, "sqlite3_queries_by_status"
, NULL
, "sqlite3"
, NULL
, "Netdata SQLite3 Queries by status"
, "queries/s"
, "netdata"
, "stats"
, 131101
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_ok = rrddim_add(st_sqlite3_queries_by_status, "ok", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_failed = rrddim_add(st_sqlite3_queries_by_status, "failed", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_busy = rrddim_add(st_sqlite3_queries_by_status, "busy", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_locked = rrddim_add(st_sqlite3_queries_by_status, "locked", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_sqlite3_queries_by_status);
rrddim_set_by_pointer(st_sqlite3_queries_by_status, rd_ok, (collected_number)gs.sqlite3_queries_made);
rrddim_set_by_pointer(st_sqlite3_queries_by_status, rd_failed, (collected_number)gs.sqlite3_queries_failed);
rrddim_set_by_pointer(st_sqlite3_queries_by_status, rd_busy, (collected_number)gs.sqlite3_queries_failed_busy);
rrddim_set_by_pointer(st_sqlite3_queries_by_status, rd_locked, (collected_number)gs.sqlite3_queries_failed_locked);
rrdset_done(st_sqlite3_queries_by_status);
}
// ----------------------------------------------------------------
if(gs.sqlite3_rows) {
static RRDSET *st_sqlite3_rows = NULL;
static RRDDIM *rd_rows = NULL;
if (unlikely(!st_sqlite3_rows)) {
st_sqlite3_rows = rrdset_create_localhost(
"netdata"
, "sqlite3_rows"
, NULL
, "sqlite3"
, NULL
, "Netdata SQLite3 Rows"
, "rows/s"
, "netdata"
, "stats"
, 131102
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_rows = rrddim_add(st_sqlite3_rows, "ok", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_sqlite3_rows);
rrddim_set_by_pointer(st_sqlite3_rows, rd_rows, (collected_number)gs.sqlite3_rows);
rrdset_done(st_sqlite3_rows);
}
if(gs.sqlite3_metadata_cache_hit) {
static RRDSET *st_sqlite3_cache = NULL;
static RRDDIM *rd_cache_hit = NULL;
static RRDDIM *rd_cache_miss= NULL;
static RRDDIM *rd_cache_spill= NULL;
static RRDDIM *rd_cache_write= NULL;
if (unlikely(!st_sqlite3_cache)) {
st_sqlite3_cache = rrdset_create_localhost(
"netdata"
, "sqlite3_metatada_cache"
, NULL
, "sqlite3"
, NULL
, "Netdata SQLite3 metadata cache"
, "ops/s"
, "netdata"
, "stats"
, 131103
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_cache_hit = rrddim_add(st_sqlite3_cache, "cache_hit", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_cache_miss = rrddim_add(st_sqlite3_cache, "cache_miss", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_cache_spill = rrddim_add(st_sqlite3_cache, "cache_spill", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_cache_write = rrddim_add(st_sqlite3_cache, "cache_write", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_sqlite3_cache);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_hit, (collected_number)gs.sqlite3_metadata_cache_hit);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_miss, (collected_number)gs.sqlite3_metadata_cache_miss);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_spill, (collected_number)gs.sqlite3_metadata_cache_spill);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_write, (collected_number)gs.sqlite3_metadata_cache_write);
rrdset_done(st_sqlite3_cache);
}
if(gs.sqlite3_context_cache_hit) {
static RRDSET *st_sqlite3_cache = NULL;
static RRDDIM *rd_cache_hit = NULL;
static RRDDIM *rd_cache_miss= NULL;
static RRDDIM *rd_cache_spill= NULL;
static RRDDIM *rd_cache_write= NULL;
if (unlikely(!st_sqlite3_cache)) {
st_sqlite3_cache = rrdset_create_localhost(
"netdata"
, "sqlite3_context_cache"
, NULL
, "sqlite3"
, NULL
, "Netdata SQLite3 context cache"
, "ops/s"
, "netdata"
, "stats"
, 131104
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
rd_cache_hit = rrddim_add(st_sqlite3_cache, "cache_hit", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_cache_miss = rrddim_add(st_sqlite3_cache, "cache_miss", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_cache_spill = rrddim_add(st_sqlite3_cache, "cache_spill", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_cache_write = rrddim_add(st_sqlite3_cache, "cache_write", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
}
else
rrdset_next(st_sqlite3_cache);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_hit, (collected_number)gs.sqlite3_context_cache_hit);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_miss, (collected_number)gs.sqlite3_context_cache_miss);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_spill, (collected_number)gs.sqlite3_context_cache_spill);
rrddim_set_by_pointer(st_sqlite3_cache, rd_cache_write, (collected_number)gs.sqlite3_context_cache_write);
rrdset_done(st_sqlite3_cache);
}
// ----------------------------------------------------------------
}
static void dbengine_statistics_charts(void) {
#ifdef ENABLE_DBENGINE
if(netdata_rwlock_tryrdlock(&rrd_rwlock) == 0) {
RRDHOST *host;
unsigned long long stats_array[RRDENG_NR_STATS] = {0};
unsigned long long local_stats_array[RRDENG_NR_STATS];
unsigned dbengine_contexts = 0, counted_multihost_db[RRD_STORAGE_TIERS] = { 0 }, i;
rrdhost_foreach_read(host) {
if (host->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE && !rrdhost_flag_check(host, RRDHOST_FLAG_ARCHIVED)) {
/* get localhost's DB engine's statistics for each tier */
for(int tier = 0; tier < storage_tiers ;tier++) {
if(!host->storage_instance[tier]) continue;
if(is_storage_engine_shared(host->storage_instance[tier])) {
if(counted_multihost_db[tier])
continue;
else
counted_multihost_db[tier] = 1;
}
++dbengine_contexts;
rrdeng_get_37_statistics((struct rrdengine_instance *)host->storage_instance[tier], local_stats_array);
for (i = 0; i < RRDENG_NR_STATS; ++i) {
/* aggregate statistics across hosts */
stats_array[i] += local_stats_array[i];
}
}
}
}
rrd_unlock();
if (dbengine_contexts) {
/* deduplicate global statistics by getting the ones from the last context */
stats_array[30] = local_stats_array[30];
stats_array[31] = local_stats_array[31];
stats_array[32] = local_stats_array[32];
stats_array[34] = local_stats_array[34];
stats_array[36] = local_stats_array[36];
// ----------------------------------------------------------------
{
static RRDSET *st_compression = NULL;
static RRDDIM *rd_savings = NULL;
if (unlikely(!st_compression)) {
st_compression = rrdset_create_localhost(
"netdata",
"dbengine_compression_ratio",
NULL,
"dbengine",
NULL,
"Netdata DB engine data extents' compression savings ratio",
"percentage",
"netdata",
"stats",
132000,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_savings = rrddim_add(st_compression, "savings", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_compression);
unsigned long long ratio;
unsigned long long compressed_content_size = stats_array[12];
unsigned long long content_size = stats_array[11];
if (content_size) {
// allow negative savings
ratio = ((content_size - compressed_content_size) * 100 * 1000) / content_size;
} else {
ratio = 0;
}
rrddim_set_by_pointer(st_compression, rd_savings, ratio);
rrdset_done(st_compression);
}
// ----------------------------------------------------------------
{
static RRDSET *st_pg_cache_hit_ratio = NULL;
static RRDDIM *rd_hit_ratio = NULL;
if (unlikely(!st_pg_cache_hit_ratio)) {
st_pg_cache_hit_ratio = rrdset_create_localhost(
"netdata",
"page_cache_hit_ratio",
NULL,
"dbengine",
NULL,
"Netdata DB engine page cache hit ratio",
"percentage",
"netdata",
"stats",
132003,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_hit_ratio = rrddim_add(st_pg_cache_hit_ratio, "ratio", NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_pg_cache_hit_ratio);
static unsigned long long old_hits = 0;
static unsigned long long old_misses = 0;
unsigned long long hits = stats_array[7];
unsigned long long misses = stats_array[8];
unsigned long long hits_delta;
unsigned long long misses_delta;
unsigned long long ratio;
hits_delta = hits - old_hits;
misses_delta = misses - old_misses;
old_hits = hits;
old_misses = misses;
if (hits_delta + misses_delta) {
ratio = (hits_delta * 100 * 1000) / (hits_delta + misses_delta);
} else {
ratio = 0;
}
rrddim_set_by_pointer(st_pg_cache_hit_ratio, rd_hit_ratio, ratio);
rrdset_done(st_pg_cache_hit_ratio);
}
// ----------------------------------------------------------------
{
static RRDSET *st_pg_cache_pages = NULL;
static RRDDIM *rd_descriptors = NULL;
static RRDDIM *rd_populated = NULL;
static RRDDIM *rd_dirty = NULL;
static RRDDIM *rd_backfills = NULL;
static RRDDIM *rd_evictions = NULL;
static RRDDIM *rd_used_by_collectors = NULL;
if (unlikely(!st_pg_cache_pages)) {
st_pg_cache_pages = rrdset_create_localhost(
"netdata",
"page_cache_stats",
NULL,
"dbengine",
NULL,
"Netdata dbengine page cache statistics",
"pages",
"netdata",
"stats",
132004,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_descriptors = rrddim_add(st_pg_cache_pages, "descriptors", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_populated = rrddim_add(st_pg_cache_pages, "populated", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_dirty = rrddim_add(st_pg_cache_pages, "dirty", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_backfills = rrddim_add(st_pg_cache_pages, "backfills", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_evictions = rrddim_add(st_pg_cache_pages, "evictions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_used_by_collectors =
rrddim_add(st_pg_cache_pages, "used_by_collectors", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_pg_cache_pages);
rrddim_set_by_pointer(st_pg_cache_pages, rd_descriptors, (collected_number)stats_array[27]);
rrddim_set_by_pointer(st_pg_cache_pages, rd_populated, (collected_number)stats_array[3]);
rrddim_set_by_pointer(st_pg_cache_pages, rd_dirty, (collected_number)stats_array[0] + stats_array[4]);
rrddim_set_by_pointer(st_pg_cache_pages, rd_backfills, (collected_number)stats_array[9]);
rrddim_set_by_pointer(st_pg_cache_pages, rd_evictions, (collected_number)stats_array[10]);
rrddim_set_by_pointer(st_pg_cache_pages, rd_used_by_collectors, (collected_number)stats_array[0]);
rrdset_done(st_pg_cache_pages);
}
// ----------------------------------------------------------------
{
static RRDSET *st_long_term_pages = NULL;
static RRDDIM *rd_total = NULL;
static RRDDIM *rd_insertions = NULL;
static RRDDIM *rd_deletions = NULL;
static RRDDIM *rd_flushing_pressure_deletions = NULL;
if (unlikely(!st_long_term_pages)) {
st_long_term_pages = rrdset_create_localhost(
"netdata",
"dbengine_long_term_page_stats",
NULL,
"dbengine",
NULL,
"Netdata dbengine long-term page statistics",
"pages",
"netdata",
"stats",
132005,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_total = rrddim_add(st_long_term_pages, "total", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_insertions = rrddim_add(st_long_term_pages, "insertions", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_deletions = rrddim_add(st_long_term_pages, "deletions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_flushing_pressure_deletions = rrddim_add(
st_long_term_pages, "flushing_pressure_deletions", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st_long_term_pages);
rrddim_set_by_pointer(st_long_term_pages, rd_total, (collected_number)stats_array[2]);
rrddim_set_by_pointer(st_long_term_pages, rd_insertions, (collected_number)stats_array[5]);
rrddim_set_by_pointer(st_long_term_pages, rd_deletions, (collected_number)stats_array[6]);
rrddim_set_by_pointer(
st_long_term_pages, rd_flushing_pressure_deletions, (collected_number)stats_array[36]);
rrdset_done(st_long_term_pages);
}
// ----------------------------------------------------------------
{
static RRDSET *st_io_stats = NULL;
static RRDDIM *rd_reads = NULL;
static RRDDIM *rd_writes = NULL;
if (unlikely(!st_io_stats)) {
st_io_stats = rrdset_create_localhost(
"netdata",
"dbengine_io_throughput",
NULL,
"dbengine",
NULL,
"Netdata DB engine I/O throughput",
"MiB/s",
"netdata",
"stats",
132006,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_reads = rrddim_add(st_io_stats, "reads", NULL, 1, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
rd_writes = rrddim_add(st_io_stats, "writes", NULL, -1, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st_io_stats);
rrddim_set_by_pointer(st_io_stats, rd_reads, (collected_number)stats_array[17]);
rrddim_set_by_pointer(st_io_stats, rd_writes, (collected_number)stats_array[15]);
rrdset_done(st_io_stats);
}
// ----------------------------------------------------------------
{
static RRDSET *st_io_stats = NULL;
static RRDDIM *rd_reads = NULL;
static RRDDIM *rd_writes = NULL;
if (unlikely(!st_io_stats)) {
st_io_stats = rrdset_create_localhost(
"netdata",
"dbengine_io_operations",
NULL,
"dbengine",
NULL,
"Netdata DB engine I/O operations",
"operations/s",
"netdata",
"stats",
132007,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_reads = rrddim_add(st_io_stats, "reads", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_writes = rrddim_add(st_io_stats, "writes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st_io_stats);
rrddim_set_by_pointer(st_io_stats, rd_reads, (collected_number)stats_array[18]);
rrddim_set_by_pointer(st_io_stats, rd_writes, (collected_number)stats_array[16]);
rrdset_done(st_io_stats);
}
// ----------------------------------------------------------------
{
static RRDSET *st_errors = NULL;
static RRDDIM *rd_fs_errors = NULL;
static RRDDIM *rd_io_errors = NULL;
static RRDDIM *pg_cache_over_half_dirty_events = NULL;
if (unlikely(!st_errors)) {
st_errors = rrdset_create_localhost(
"netdata",
"dbengine_global_errors",
NULL,
"dbengine",
NULL,
"Netdata DB engine errors",
"errors/s",
"netdata",
"stats",
132008,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_io_errors = rrddim_add(st_errors, "io_errors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_fs_errors = rrddim_add(st_errors, "fs_errors", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
pg_cache_over_half_dirty_events =
rrddim_add(st_errors, "pg_cache_over_half_dirty_events", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st_errors);
rrddim_set_by_pointer(st_errors, rd_io_errors, (collected_number)stats_array[30]);
rrddim_set_by_pointer(st_errors, rd_fs_errors, (collected_number)stats_array[31]);
rrddim_set_by_pointer(st_errors, pg_cache_over_half_dirty_events, (collected_number)stats_array[34]);
rrdset_done(st_errors);
}
// ----------------------------------------------------------------
{
static RRDSET *st_fd = NULL;
static RRDDIM *rd_fd_current = NULL;
static RRDDIM *rd_fd_max = NULL;
if (unlikely(!st_fd)) {
st_fd = rrdset_create_localhost(
"netdata",
"dbengine_global_file_descriptors",
NULL,
"dbengine",
NULL,
"Netdata DB engine File Descriptors",
"descriptors",
"netdata",
"stats",
132009,
localhost->rrd_update_every,
RRDSET_TYPE_LINE);
rd_fd_current = rrddim_add(st_fd, "current", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_fd_max = rrddim_add(st_fd, "max", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_fd);
rrddim_set_by_pointer(st_fd, rd_fd_current, (collected_number)stats_array[32]);
/* Careful here, modify this accordingly if the File-Descriptor budget ever changes */
rrddim_set_by_pointer(st_fd, rd_fd_max, (collected_number)rlimit_nofile.rlim_cur / 4);
rrdset_done(st_fd);
}
// ----------------------------------------------------------------
{
static RRDSET *st_ram_usage = NULL;
static RRDDIM *rd_cached = NULL;
static RRDDIM *rd_pinned = NULL;
static RRDDIM *rd_cache_metadata = NULL;
static RRDDIM *rd_index_metadata = NULL;
static RRDDIM *rd_pages_metadata = NULL;
collected_number API_producers, populated_pages, cache_metadata, pages_on_disk,
page_cache_descriptors, index_metadata, pages_metadata;
if (unlikely(!st_ram_usage)) {
st_ram_usage = rrdset_create_localhost(
"netdata",
"dbengine_ram",
NULL,
"dbengine",
NULL,
"Netdata DB engine RAM usage",
"MiB",
"netdata",
"stats",
132010,
localhost->rrd_update_every,
RRDSET_TYPE_STACKED);
rd_cached = rrddim_add(st_ram_usage, "cache", NULL, RRDENG_BLOCK_SIZE, 1024*1024, RRD_ALGORITHM_ABSOLUTE);
rd_pinned = rrddim_add(st_ram_usage, "collectors", NULL, RRDENG_BLOCK_SIZE, 1024*1024, RRD_ALGORITHM_ABSOLUTE);
rd_cache_metadata = rrddim_add(st_ram_usage, "cache metadata", NULL, 1, 1024*1024, RRD_ALGORITHM_ABSOLUTE);
rd_pages_metadata = rrddim_add(st_ram_usage, "pages metadata", NULL, 1, 1024*1024, RRD_ALGORITHM_ABSOLUTE);
rd_index_metadata = rrddim_add(st_ram_usage, "index metadata", NULL, 1, 1024*1024, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_ram_usage);
API_producers = (collected_number)stats_array[0];
pages_on_disk = (collected_number)stats_array[2];
populated_pages = (collected_number)stats_array[3];
page_cache_descriptors = (collected_number)stats_array[27];
cache_metadata = page_cache_descriptors * sizeof(struct page_cache_descr);
pages_metadata = pages_on_disk * sizeof(struct rrdeng_page_descr);
/* This is an empirical estimation for Judy array indexing and extent structures */
index_metadata = pages_on_disk * 58;
rrddim_set_by_pointer(st_ram_usage, rd_cached, populated_pages - API_producers);
rrddim_set_by_pointer(st_ram_usage, rd_pinned, API_producers);
rrddim_set_by_pointer(st_ram_usage, rd_cache_metadata, cache_metadata);
rrddim_set_by_pointer(st_ram_usage, rd_pages_metadata, pages_metadata);
rrddim_set_by_pointer(st_ram_usage, rd_index_metadata, index_metadata);
rrdset_done(st_ram_usage);
}
}
}
#endif
}
static void update_strings_charts() {
static RRDSET *st_ops = NULL, *st_entries = NULL, *st_mem = NULL;
static RRDDIM *rd_ops_inserts = NULL, *rd_ops_deletes = NULL, *rd_ops_searches = NULL, *rd_ops_duplications = NULL, *rd_ops_releases = NULL;
static RRDDIM *rd_entries_entries = NULL, *rd_entries_refs = NULL;
static RRDDIM *rd_mem = NULL;
size_t inserts, deletes, searches, entries, references, memory, duplications, releases;
string_statistics(&inserts, &deletes, &searches, &entries, &references, &memory, &duplications, &releases);
if (unlikely(!st_ops)) {
st_ops = rrdset_create_localhost(
"netdata"
, "strings_ops"
, NULL
, "strings"
, NULL
, "Strings operations"
, "ops/s"
, "netdata"
, "stats"
, 910000
, localhost->rrd_update_every
, RRDSET_TYPE_LINE);
rd_ops_inserts = rrddim_add(st_ops, "inserts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ops_deletes = rrddim_add(st_ops, "deletes", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ops_searches = rrddim_add(st_ops, "searches", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ops_duplications = rrddim_add(st_ops, "duplications", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rd_ops_releases = rrddim_add(st_ops, "releases", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
} else
rrdset_next(st_ops);
rrddim_set_by_pointer(st_ops, rd_ops_inserts, (collected_number)inserts);
rrddim_set_by_pointer(st_ops, rd_ops_deletes, (collected_number)deletes);
rrddim_set_by_pointer(st_ops, rd_ops_searches, (collected_number)searches);
rrddim_set_by_pointer(st_ops, rd_ops_duplications, (collected_number)duplications);
rrddim_set_by_pointer(st_ops, rd_ops_releases, (collected_number)releases);
rrdset_done(st_ops);
if (unlikely(!st_entries)) {
st_entries = rrdset_create_localhost(
"netdata"
, "strings_entries"
, NULL
, "strings"
, NULL
, "Strings entries"
, "entries"
, "netdata"
, "stats"
, 910001
, localhost->rrd_update_every
, RRDSET_TYPE_AREA);
rd_entries_entries = rrddim_add(st_entries, "entries", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_entries_refs = rrddim_add(st_entries, "references", NULL, 1, -1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_entries);
rrddim_set_by_pointer(st_entries, rd_entries_entries, (collected_number)entries);
rrddim_set_by_pointer(st_entries, rd_entries_refs, (collected_number)references);
rrdset_done(st_entries);
if (unlikely(!st_mem)) {
st_mem = rrdset_create_localhost(
"netdata"
, "strings_memory"
, NULL
, "strings"
, NULL
, "Strings memory"
, "bytes"
, "netdata"
, "stats"
, 910001
, localhost->rrd_update_every
, RRDSET_TYPE_AREA);
rd_mem = rrddim_add(st_mem, "memory", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_mem);
rrddim_set_by_pointer(st_mem, rd_mem, (collected_number)memory);
rrdset_done(st_mem);
}
static void update_heartbeat_charts() {
static RRDSET *st_heartbeat = NULL;
static RRDDIM *rd_heartbeat_min = NULL;
static RRDDIM *rd_heartbeat_max = NULL;
static RRDDIM *rd_heartbeat_avg = NULL;
if (unlikely(!st_heartbeat)) {
st_heartbeat = rrdset_create_localhost(
"netdata"
, "heartbeat"
, NULL
, "heartbeat"
, NULL
, "System clock jitter"
, "microseconds"
, "netdata"
, "stats"
, 900000
, localhost->rrd_update_every
, RRDSET_TYPE_AREA);
rd_heartbeat_min = rrddim_add(st_heartbeat, "min", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_heartbeat_max = rrddim_add(st_heartbeat, "max", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rd_heartbeat_avg = rrddim_add(st_heartbeat, "average", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else
rrdset_next(st_heartbeat);
usec_t min, max, average;
size_t count;
heartbeat_statistics(&min, &max, &average, &count);
rrddim_set_by_pointer(st_heartbeat, rd_heartbeat_min, (collected_number)min);
rrddim_set_by_pointer(st_heartbeat, rd_heartbeat_max, (collected_number)max);
rrddim_set_by_pointer(st_heartbeat, rd_heartbeat_avg, (collected_number)average);
rrdset_done(st_heartbeat);
}
// ---------------------------------------------------------------------------------------------------------------------
// dictionary statistics
struct dictionary_categories {
struct dictionary_stats *stats;
const char *family;
const char *context_prefix;
int priority;
RRDSET *st_dicts;
RRDDIM *rd_dicts_active;
RRDDIM *rd_dicts_deleted;
RRDSET *st_items;
RRDDIM *rd_items_entries;
RRDDIM *rd_items_referenced;
RRDDIM *rd_items_pending_deletion;
RRDSET *st_ops;
RRDDIM *rd_ops_creations;
RRDDIM *rd_ops_destructions;
RRDDIM *rd_ops_flushes;
RRDDIM *rd_ops_traversals;
RRDDIM *rd_ops_walkthroughs;
RRDDIM *rd_ops_garbage_collections;
RRDDIM *rd_ops_searches;
RRDDIM *rd_ops_inserts;
RRDDIM *rd_ops_resets;
RRDDIM *rd_ops_deletes;
RRDSET *st_callbacks;
RRDDIM *rd_callbacks_inserts;
RRDDIM *rd_callbacks_conflicts;
RRDDIM *rd_callbacks_reacts;
RRDDIM *rd_callbacks_deletes;
RRDSET *st_memory;
RRDDIM *rd_memory_indexed;
RRDDIM *rd_memory_values;
RRDDIM *rd_memory_dict;
RRDSET *st_spins;
RRDDIM *rd_spins_use;
RRDDIM *rd_spins_search;
RRDDIM *rd_spins_insert;
} dictionary_categories[] = {
{ .stats = &dictionary_stats_category_other, "dictionaries", "dictionaries", 900000 },
// terminator
{ .stats = NULL, NULL, NULL, 0 },
};
#define load_dictionary_stats_entry(x) total += (size_t)(stats.x = __atomic_load_n(&c->stats->x, __ATOMIC_RELAXED))
static void update_dictionary_category_charts(struct dictionary_categories *c) {
struct dictionary_stats stats;
stats.name = c->stats->name;
// ------------------------------------------------------------------------
size_t total = 0;
load_dictionary_stats_entry(dictionaries.active);
load_dictionary_stats_entry(dictionaries.deleted);
if(c->st_dicts || total != 0) {
if (unlikely(!c->st_dicts)) {
char id[RRD_ID_LENGTH_MAX + 1];
snprintfz(id, RRD_ID_LENGTH_MAX, "%s.%s.dictionaries", c->context_prefix, stats.name);
char context[RRD_ID_LENGTH_MAX + 1];
snprintfz(context, RRD_ID_LENGTH_MAX, "netdata.%s.category.dictionaries", c->context_prefix);
c->st_dicts = rrdset_create_localhost(
"netdata"
, id
, NULL
, c->family
, context
, "Dictionaries"
, "dictionaries"
, "netdata"
, "stats"
, c->priority + 0
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
c->rd_dicts_active = rrddim_add(c->st_dicts, "active", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
c->rd_dicts_deleted = rrddim_add(c->st_dicts, "deleted", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE);
rrdlabels_add(c->st_dicts->rrdlabels, "category", stats.name, RRDLABEL_SRC_AUTO);
}
else
rrdset_next(c->st_dicts);
rrddim_set_by_pointer(c->st_dicts, c->rd_dicts_active, (collected_number)stats.dictionaries.active);
rrddim_set_by_pointer(c->st_dicts, c->rd_dicts_deleted, (collected_number)stats.dictionaries.deleted);
rrdset_done(c->st_dicts);
}
// ------------------------------------------------------------------------
total = 0;
load_dictionary_stats_entry(items.entries);
load_dictionary_stats_entry(items.referenced);
load_dictionary_stats_entry(items.pending_deletion);
if(c->st_items || total != 0) {
if (unlikely(!c->st_items)) {
char id[RRD_ID_LENGTH_MAX + 1];
snprintfz(id, RRD_ID_LENGTH_MAX, "%s.%s.items", c->context_prefix, stats.name);
char context[RRD_ID_LENGTH_MAX + 1];
snprintfz(context, RRD_ID_LENGTH_MAX, "netdata.%s.category.items", c->context_prefix);
c->st_items = rrdset_create_localhost(
"netdata"
, id
, NULL
, c->family
, context
, "Dictionary Items"
, "items"
, "netdata"
, "stats"
, c->priority + 1
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
c->rd_items_entries = rrddim_add(c->st_items, "active", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
c->rd_items_pending_deletion = rrddim_add(c->st_items, "deleted", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE);
c->rd_items_referenced = rrddim_add(c->st_items, "referenced", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rrdlabels_add(c->st_items->rrdlabels, "category", stats.name, RRDLABEL_SRC_AUTO);
}
else
rrdset_next(c->st_items);
rrddim_set_by_pointer(c->st_items, c->rd_items_entries, stats.items.entries);
rrddim_set_by_pointer(c->st_items, c->rd_items_pending_deletion, stats.items.pending_deletion);
rrddim_set_by_pointer(c->st_items, c->rd_items_referenced, stats.items.referenced);
rrdset_done(c->st_items);
}
// ------------------------------------------------------------------------
total = 0;
load_dictionary_stats_entry(ops.creations);
load_dictionary_stats_entry(ops.destructions);
load_dictionary_stats_entry(ops.flushes);
load_dictionary_stats_entry(ops.traversals);
load_dictionary_stats_entry(ops.walkthroughs);
load_dictionary_stats_entry(ops.garbage_collections);
load_dictionary_stats_entry(ops.searches);
load_dictionary_stats_entry(ops.inserts);
load_dictionary_stats_entry(ops.resets);
load_dictionary_stats_entry(ops.deletes);
if(c->st_ops || total != 0) {
if (unlikely(!c->st_ops)) {
char id[RRD_ID_LENGTH_MAX + 1];
snprintfz(id, RRD_ID_LENGTH_MAX, "%s.%s.ops", c->context_prefix, stats.name);
char context[RRD_ID_LENGTH_MAX + 1];
snprintfz(context, RRD_ID_LENGTH_MAX, "netdata.%s.category.ops", c->context_prefix);
c->st_ops = rrdset_create_localhost(
"netdata"
, id
, NULL
, c->family
, context
, "Dictionary Operations"
, "ops/s"
, "netdata"
, "stats"
, c->priority + 2
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
c->rd_ops_creations = rrddim_add(c->st_ops, "creations", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_destructions = rrddim_add(c->st_ops, "destructions", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_flushes = rrddim_add(c->st_ops, "flushes", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_traversals = rrddim_add(c->st_ops, "traversals", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_walkthroughs = rrddim_add(c->st_ops, "walkthroughs", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_garbage_collections = rrddim_add(c->st_ops, "garbage_collections", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_searches = rrddim_add(c->st_ops, "searches", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_inserts = rrddim_add(c->st_ops, "inserts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_resets = rrddim_add(c->st_ops, "resets", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_ops_deletes = rrddim_add(c->st_ops, "deletes", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrdlabels_add(c->st_ops->rrdlabels, "category", stats.name, RRDLABEL_SRC_AUTO);
}
else
rrdset_next(c->st_ops);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_creations, (collected_number)stats.ops.creations);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_destructions, (collected_number)stats.ops.destructions);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_flushes, (collected_number)stats.ops.flushes);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_traversals, (collected_number)stats.ops.traversals);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_walkthroughs, (collected_number)stats.ops.walkthroughs);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_garbage_collections, (collected_number)stats.ops.garbage_collections);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_searches, (collected_number)stats.ops.searches);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_inserts, (collected_number)stats.ops.inserts);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_resets, (collected_number)stats.ops.resets);
rrddim_set_by_pointer(c->st_ops, c->rd_ops_deletes, (collected_number)stats.ops.deletes);
rrdset_done(c->st_ops);
}
// ------------------------------------------------------------------------
total = 0;
load_dictionary_stats_entry(callbacks.inserts);
load_dictionary_stats_entry(callbacks.conflicts);
load_dictionary_stats_entry(callbacks.reacts);
load_dictionary_stats_entry(callbacks.deletes);
if(c->st_callbacks || total != 0) {
if (unlikely(!c->st_callbacks)) {
char id[RRD_ID_LENGTH_MAX + 1];
snprintfz(id, RRD_ID_LENGTH_MAX, "%s.%s.callbacks", c->context_prefix, stats.name);
char context[RRD_ID_LENGTH_MAX + 1];
snprintfz(context, RRD_ID_LENGTH_MAX, "netdata.%s.category.callbacks", c->context_prefix);
c->st_callbacks = rrdset_create_localhost(
"netdata"
, id
, NULL
, c->family
, context
, "Dictionary Callbacks"
, "callbacks/s"
, "netdata"
, "stats"
, c->priority + 3
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
c->rd_callbacks_inserts = rrddim_add(c->st_callbacks, "inserts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_callbacks_deletes = rrddim_add(c->st_callbacks, "deletes", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_callbacks_conflicts = rrddim_add(c->st_callbacks, "conflicts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_callbacks_reacts = rrddim_add(c->st_callbacks, "reacts", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrdlabels_add(c->st_callbacks->rrdlabels, "category", stats.name, RRDLABEL_SRC_AUTO);
}
else
rrdset_next(c->st_callbacks);
rrddim_set_by_pointer(c->st_callbacks, c->rd_callbacks_inserts, (collected_number)stats.callbacks.inserts);
rrddim_set_by_pointer(c->st_callbacks, c->rd_callbacks_conflicts, (collected_number)stats.callbacks.conflicts);
rrddim_set_by_pointer(c->st_callbacks, c->rd_callbacks_reacts, (collected_number)stats.callbacks.reacts);
rrddim_set_by_pointer(c->st_callbacks, c->rd_callbacks_deletes, (collected_number)stats.callbacks.deletes);
rrdset_done(c->st_callbacks);
}
// ------------------------------------------------------------------------
total = 0;
load_dictionary_stats_entry(memory.indexed);
load_dictionary_stats_entry(memory.values);
load_dictionary_stats_entry(memory.dict);
if(c->st_memory || total != 0) {
if (unlikely(!c->st_memory)) {
char id[RRD_ID_LENGTH_MAX + 1];
snprintfz(id, RRD_ID_LENGTH_MAX, "%s.%s.memory", c->context_prefix, stats.name);
char context[RRD_ID_LENGTH_MAX + 1];
snprintfz(context, RRD_ID_LENGTH_MAX, "netdata.%s.category.memory", c->context_prefix);
c->st_memory = rrdset_create_localhost(
"netdata"
, id
, NULL
, c->family
, context
, "Dictionary Memory"
, "bytes"
, "netdata"
, "stats"
, c->priority + 4
, localhost->rrd_update_every
, RRDSET_TYPE_STACKED
);
c->rd_memory_indexed = rrddim_add(c->st_memory, "index", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
c->rd_memory_values = rrddim_add(c->st_memory, "data", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
c->rd_memory_dict = rrddim_add(c->st_memory, "structures", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rrdlabels_add(c->st_memory->rrdlabels, "category", stats.name, RRDLABEL_SRC_AUTO);
}
else
rrdset_next(c->st_memory);
rrddim_set_by_pointer(c->st_memory, c->rd_memory_indexed, (collected_number)stats.memory.indexed);
rrddim_set_by_pointer(c->st_memory, c->rd_memory_values, (collected_number)stats.memory.values);
rrddim_set_by_pointer(c->st_memory, c->rd_memory_dict, (collected_number)stats.memory.dict);
rrdset_done(c->st_memory);
}
// ------------------------------------------------------------------------
total = 0;
load_dictionary_stats_entry(spin_locks.use);
load_dictionary_stats_entry(spin_locks.search);
load_dictionary_stats_entry(spin_locks.insert);
if(c->st_spins || total != 0) {
if (unlikely(!c->st_spins)) {
char id[RRD_ID_LENGTH_MAX + 1];
snprintfz(id, RRD_ID_LENGTH_MAX, "%s.%s.spins", c->context_prefix, stats.name);
char context[RRD_ID_LENGTH_MAX + 1];
snprintfz(context, RRD_ID_LENGTH_MAX, "netdata.%s.category.spins", c->context_prefix);
c->st_spins = rrdset_create_localhost(
"netdata"
, id
, NULL
, c->family
, context
, "Dictionary Spins"
, "count"
, "netdata"
, "stats"
, c->priority + 5
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
c->rd_spins_use = rrddim_add(c->st_spins, "use", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_spins_search = rrddim_add(c->st_spins, "search", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
c->rd_spins_insert = rrddim_add(c->st_spins, "insert", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
rrdlabels_add(c->st_spins->rrdlabels, "category", stats.name, RRDLABEL_SRC_AUTO);
}
else
rrdset_next(c->st_spins);
rrddim_set_by_pointer(c->st_spins, c->rd_spins_use, (collected_number)stats.spin_locks.use);
rrddim_set_by_pointer(c->st_spins, c->rd_spins_search, (collected_number)stats.spin_locks.search);
rrddim_set_by_pointer(c->st_spins, c->rd_spins_insert, (collected_number)stats.spin_locks.insert);
rrdset_done(c->st_spins);
}
}
static void dictionary_statistics(void) {
for(int i = 0; dictionary_categories[i].stats ;i++) {
update_dictionary_category_charts(&dictionary_categories[i]);
}
}
// ---------------------------------------------------------------------------------------------------------------------
// worker utilization
#define WORKERS_MIN_PERCENT_DEFAULT 10000.0
struct worker_job_type_gs {
STRING *name;
STRING *units;
size_t jobs_started;
usec_t busy_time;
RRDDIM *rd_jobs_started;
RRDDIM *rd_busy_time;
WORKER_METRIC_TYPE type;
NETDATA_DOUBLE min_value;
NETDATA_DOUBLE max_value;
NETDATA_DOUBLE sum_value;
size_t count_value;
RRDSET *st;
RRDDIM *rd_min;
RRDDIM *rd_max;
RRDDIM *rd_avg;
};
struct worker_thread {
pid_t pid;
int enabled;
int cpu_enabled;
double cpu;
kernel_uint_t utime;
kernel_uint_t stime;
kernel_uint_t utime_old;
kernel_uint_t stime_old;
usec_t collected_time;
usec_t collected_time_old;
size_t jobs_started;
usec_t busy_time;
struct worker_thread *next;
};
struct worker_utilization {
const char *name;
const char *family;
size_t priority;
uint32_t flags;
char *name_lowercase;
struct worker_job_type_gs per_job_type[WORKER_UTILIZATION_MAX_JOB_TYPES];
size_t workers_registered;
size_t workers_busy;
usec_t workers_total_busy_time;
usec_t workers_total_duration;
size_t workers_total_jobs_started;
double workers_min_busy_time;
double workers_max_busy_time;
size_t workers_cpu_registered;
double workers_cpu_min;
double workers_cpu_max;
double workers_cpu_total;
struct worker_thread *threads;
RRDSET *st_workers_time;
RRDDIM *rd_workers_time_avg;
RRDDIM *rd_workers_time_min;
RRDDIM *rd_workers_time_max;
RRDSET *st_workers_cpu;
RRDDIM *rd_workers_cpu_avg;
RRDDIM *rd_workers_cpu_min;
RRDDIM *rd_workers_cpu_max;
RRDSET *st_workers_threads;
RRDDIM *rd_workers_threads_free;
RRDDIM *rd_workers_threads_busy;
RRDSET *st_workers_jobs_per_job_type;
RRDSET *st_workers_busy_per_job_type;
RRDDIM *rd_total_cpu_utilizaton;
};
static struct worker_utilization all_workers_utilization[] = {
{ .name = "STATS", .family = "workers global statistics", .priority = 1000000 },
{ .name = "HEALTH", .family = "workers health alarms", .priority = 1000000 },
{ .name = "MLTRAIN", .family = "workers ML training", .priority = 1000000 },
{ .name = "MLDETECT", .family = "workers ML detection", .priority = 1000000 },
{ .name = "STREAMRCV", .family = "workers streaming receive", .priority = 1000000 },
{ .name = "STREAMSND", .family = "workers streaming send", .priority = 1000000 },
{ .name = "DBENGINE", .family = "workers dbengine instances", .priority = 1000000 },
{ .name = "WEB", .family = "workers web server", .priority = 1000000 },
{ .name = "ACLKQUERY", .family = "workers aclk query", .priority = 1000000 },
{ .name = "ACLKSYNC", .family = "workers aclk host sync", .priority = 1000000 },
{ .name = "PLUGINSD", .family = "workers plugins.d", .priority = 1000000 },
{ .name = "STATSD", .family = "workers plugin statsd", .priority = 1000000 },
{ .name = "STATSDFLUSH", .family = "workers plugin statsd flush", .priority = 1000000 },
{ .name = "PROC", .family = "workers plugin proc", .priority = 1000000 },
{ .name = "NETDEV", .family = "workers plugin proc netdev", .priority = 1000000 },
{ .name = "FREEBSD", .family = "workers plugin freebsd", .priority = 1000000 },
{ .name = "MACOS", .family = "workers plugin macos", .priority = 1000000 },
{ .name = "CGROUPS", .family = "workers plugin cgroups", .priority = 1000000 },
{ .name = "CGROUPSDISC", .family = "workers plugin cgroups find", .priority = 1000000 },
{ .name = "DISKSPACE", .family = "workers plugin diskspace", .priority = 1000000 },
{ .name = "TC", .family = "workers plugin tc", .priority = 1000000 },
{ .name = "TIMEX", .family = "workers plugin timex", .priority = 1000000 },
{ .name = "IDLEJITTER", .family = "workers plugin idlejitter", .priority = 1000000 },
{ .name = "RRDCONTEXT", .family = "workers contexts", .priority = 1000000 },
{ .name = "SERVICE", .family = "workers service", .priority = 1000000 },
// has to be terminated with a NULL
{ .name = NULL, .family = NULL }
};
static void workers_total_cpu_utilization_chart(void) {
size_t i, cpu_enabled = 0;
for(i = 0; all_workers_utilization[i].name ;i++)
if(all_workers_utilization[i].workers_cpu_registered) cpu_enabled++;
if(!cpu_enabled) return;
static RRDSET *st = NULL;
if(!st) {
st = rrdset_create_localhost(
"netdata",
"workers_cpu",
NULL,
"workers",
"netdata.workers.cpu_total",
"Netdata Workers CPU Utilization (100% = 1 core)",
"%",
"netdata",
"stats",
999000,
localhost->rrd_update_every,
RRDSET_TYPE_STACKED);
}
rrdset_next(st);
for(i = 0; all_workers_utilization[i].name ;i++) {
struct worker_utilization *wu = &all_workers_utilization[i];
if(!wu->workers_cpu_registered) continue;
if(!wu->rd_total_cpu_utilizaton)
wu->rd_total_cpu_utilizaton = rrddim_add(st, wu->name_lowercase, NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
rrddim_set_by_pointer(st, wu->rd_total_cpu_utilizaton, (collected_number)((double)wu->workers_cpu_total * 100.0));
}
rrdset_done(st);
}
#define WORKER_CHART_DECIMAL_PRECISION 100
static void workers_utilization_update_chart(struct worker_utilization *wu) {
if(!wu->workers_registered) return;
//fprintf(stderr, "%-12s WORKER UTILIZATION: %-3.2f%%, %zu jobs done, %zu running, on %zu workers, min %-3.02f%%, max %-3.02f%%.\n",
// wu->name,
// (double)wu->workers_total_busy_time * 100.0 / (double)wu->workers_total_duration,
// wu->workers_total_jobs_started, wu->workers_busy, wu->workers_registered,
// wu->workers_min_busy_time, wu->workers_max_busy_time);
// ----------------------------------------------------------------------
if(unlikely(!wu->st_workers_time)) {
char name[RRD_ID_LENGTH_MAX + 1];
snprintfz(name, RRD_ID_LENGTH_MAX, "workers_time_%s", wu->name_lowercase);
char context[RRD_ID_LENGTH_MAX + 1];
snprintf(context, RRD_ID_LENGTH_MAX, "netdata.workers.%s.time", wu->name_lowercase);
wu->st_workers_time = rrdset_create_localhost(
"netdata"
, name
, NULL
, wu->family
, context
, "Netdata Workers Busy Time (100% = all workers busy)"
, "%"
, "netdata"
, "stats"
, wu->priority
, localhost->rrd_update_every
, RRDSET_TYPE_AREA
);
}
// we add the min and max dimensions only when we have multiple workers
if(unlikely(!wu->rd_workers_time_min && wu->workers_registered > 1))
wu->rd_workers_time_min = rrddim_add(wu->st_workers_time, "min", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
if(unlikely(!wu->rd_workers_time_max && wu->workers_registered > 1))
wu->rd_workers_time_max = rrddim_add(wu->st_workers_time, "max", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
if(unlikely(!wu->rd_workers_time_avg))
wu->rd_workers_time_avg = rrddim_add(wu->st_workers_time, "average", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
rrdset_next(wu->st_workers_time);
if(unlikely(wu->workers_min_busy_time == WORKERS_MIN_PERCENT_DEFAULT)) wu->workers_min_busy_time = 0.0;
if(wu->rd_workers_time_min)
rrddim_set_by_pointer(wu->st_workers_time, wu->rd_workers_time_min, (collected_number)((double)wu->workers_min_busy_time * WORKER_CHART_DECIMAL_PRECISION));
if(wu->rd_workers_time_max)
rrddim_set_by_pointer(wu->st_workers_time, wu->rd_workers_time_max, (collected_number)((double)wu->workers_max_busy_time * WORKER_CHART_DECIMAL_PRECISION));
if(wu->workers_total_duration == 0)
rrddim_set_by_pointer(wu->st_workers_time, wu->rd_workers_time_avg, 0);
else
rrddim_set_by_pointer(wu->st_workers_time, wu->rd_workers_time_avg, (collected_number)((double)wu->workers_total_busy_time * 100.0 * WORKER_CHART_DECIMAL_PRECISION / (double)wu->workers_total_duration));
rrdset_done(wu->st_workers_time);
// ----------------------------------------------------------------------
#ifdef __linux__
if(wu->workers_cpu_registered || wu->st_workers_cpu) {
if(unlikely(!wu->st_workers_cpu)) {
char name[RRD_ID_LENGTH_MAX + 1];
snprintfz(name, RRD_ID_LENGTH_MAX, "workers_cpu_%s", wu->name_lowercase);
char context[RRD_ID_LENGTH_MAX + 1];
snprintf(context, RRD_ID_LENGTH_MAX, "netdata.workers.%s.cpu", wu->name_lowercase);
wu->st_workers_cpu = rrdset_create_localhost(
"netdata"
, name
, NULL
, wu->family
, context
, "Netdata Workers CPU Utilization (100% = all workers busy)"
, "%"
, "netdata"
, "stats"
, wu->priority + 1
, localhost->rrd_update_every
, RRDSET_TYPE_AREA
);
}
if (unlikely(!wu->rd_workers_cpu_min && wu->workers_registered > 1))
wu->rd_workers_cpu_min = rrddim_add(wu->st_workers_cpu, "min", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
if (unlikely(!wu->rd_workers_cpu_max && wu->workers_registered > 1))
wu->rd_workers_cpu_max = rrddim_add(wu->st_workers_cpu, "max", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
if(unlikely(!wu->rd_workers_cpu_avg))
wu->rd_workers_cpu_avg = rrddim_add(wu->st_workers_cpu, "average", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
rrdset_next(wu->st_workers_cpu);
if(unlikely(wu->workers_cpu_min == WORKERS_MIN_PERCENT_DEFAULT)) wu->workers_cpu_min = 0.0;
if(wu->rd_workers_cpu_min)
rrddim_set_by_pointer(wu->st_workers_cpu, wu->rd_workers_cpu_min, (collected_number)(wu->workers_cpu_min * WORKER_CHART_DECIMAL_PRECISION));
if(wu->rd_workers_cpu_max)
rrddim_set_by_pointer(wu->st_workers_cpu, wu->rd_workers_cpu_max, (collected_number)(wu->workers_cpu_max * WORKER_CHART_DECIMAL_PRECISION));
if(wu->workers_cpu_registered == 0)
rrddim_set_by_pointer(wu->st_workers_cpu, wu->rd_workers_cpu_avg, 0);
else
rrddim_set_by_pointer(wu->st_workers_cpu, wu->rd_workers_cpu_avg, (collected_number)( wu->workers_cpu_total * WORKER_CHART_DECIMAL_PRECISION / (NETDATA_DOUBLE)wu->workers_cpu_registered ));
rrdset_done(wu->st_workers_cpu);
}
#endif
// ----------------------------------------------------------------------
if(unlikely(!wu->st_workers_jobs_per_job_type)) {
char name[RRD_ID_LENGTH_MAX + 1];
snprintfz(name, RRD_ID_LENGTH_MAX, "workers_jobs_by_type_%s", wu->name_lowercase);
char context[RRD_ID_LENGTH_MAX + 1];
snprintf(context, RRD_ID_LENGTH_MAX, "netdata.workers.%s.jobs_started_by_type", wu->name_lowercase);
wu->st_workers_jobs_per_job_type = rrdset_create_localhost(
"netdata"
, name
, NULL
, wu->family
, context
, "Netdata Workers Jobs Started by Type"
, "jobs"
, "netdata"
, "stats"
, wu->priority + 2
, localhost->rrd_update_every
, RRDSET_TYPE_STACKED
);
}
rrdset_next(wu->st_workers_jobs_per_job_type);
{
size_t i;
for(i = 0; i < WORKER_UTILIZATION_MAX_JOB_TYPES ;i++) {
if(unlikely(wu->per_job_type[i].type != WORKER_METRIC_IDLE_BUSY))
continue;
if (wu->per_job_type[i].name) {
if(unlikely(!wu->per_job_type[i].rd_jobs_started))
wu->per_job_type[i].rd_jobs_started = rrddim_add(wu->st_workers_jobs_per_job_type, string2str(wu->per_job_type[i].name), NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
rrddim_set_by_pointer(wu->st_workers_jobs_per_job_type, wu->per_job_type[i].rd_jobs_started, (collected_number)(wu->per_job_type[i].jobs_started));
}
}
}
rrdset_done(wu->st_workers_jobs_per_job_type);
// ----------------------------------------------------------------------
if(unlikely(!wu->st_workers_busy_per_job_type)) {
char name[RRD_ID_LENGTH_MAX + 1];
snprintfz(name, RRD_ID_LENGTH_MAX, "workers_busy_time_by_type_%s", wu->name_lowercase);
char context[RRD_ID_LENGTH_MAX + 1];
snprintf(context, RRD_ID_LENGTH_MAX, "netdata.workers.%s.time_by_type", wu->name_lowercase);
wu->st_workers_busy_per_job_type = rrdset_create_localhost(
"netdata"
, name
, NULL
, wu->family
, context
, "Netdata Workers Busy Time by Type"
, "ms"
, "netdata"
, "stats"
, wu->priority + 3
, localhost->rrd_update_every
, RRDSET_TYPE_STACKED
);
}
rrdset_next(wu->st_workers_busy_per_job_type);
{
size_t i;
for(i = 0; i < WORKER_UTILIZATION_MAX_JOB_TYPES ;i++) {
if(unlikely(wu->per_job_type[i].type != WORKER_METRIC_IDLE_BUSY))
continue;
if (wu->per_job_type[i].name) {
if(unlikely(!wu->per_job_type[i].rd_busy_time))
wu->per_job_type[i].rd_busy_time = rrddim_add(wu->st_workers_busy_per_job_type, string2str(wu->per_job_type[i].name), NULL, 1, USEC_PER_MS, RRD_ALGORITHM_ABSOLUTE);
rrddim_set_by_pointer(wu->st_workers_busy_per_job_type, wu->per_job_type[i].rd_busy_time, (collected_number)(wu->per_job_type[i].busy_time));
}
}
}
rrdset_done(wu->st_workers_busy_per_job_type);
// ----------------------------------------------------------------------
if(wu->st_workers_threads || wu->workers_registered > 1) {
if(unlikely(!wu->st_workers_threads)) {
char name[RRD_ID_LENGTH_MAX + 1];
snprintfz(name, RRD_ID_LENGTH_MAX, "workers_threads_%s", wu->name_lowercase);
char context[RRD_ID_LENGTH_MAX + 1];
snprintf(context, RRD_ID_LENGTH_MAX, "netdata.workers.%s.threads", wu->name_lowercase);
wu->st_workers_threads = rrdset_create_localhost(
"netdata"
, name
, NULL
, wu->family
, context
, "Netdata Workers Threads"
, "threads"
, "netdata"
, "stats"
, wu->priority + 4
, localhost->rrd_update_every
, RRDSET_TYPE_STACKED
);
wu->rd_workers_threads_free = rrddim_add(wu->st_workers_threads, "free", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
wu->rd_workers_threads_busy = rrddim_add(wu->st_workers_threads, "busy", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(wu->st_workers_threads);
rrddim_set_by_pointer(wu->st_workers_threads, wu->rd_workers_threads_free, (collected_number)(wu->workers_registered - wu->workers_busy));
rrddim_set_by_pointer(wu->st_workers_threads, wu->rd_workers_threads_busy, (collected_number)(wu->workers_busy));
rrdset_done(wu->st_workers_threads);
}
// ----------------------------------------------------------------------
// custom metric types WORKER_METRIC_ABSOLUTE
{
size_t i;
for (i = 0; i < WORKER_UTILIZATION_MAX_JOB_TYPES; i++) {
if(wu->per_job_type[i].type != WORKER_METRIC_ABSOLUTE)
continue;
if(!wu->per_job_type[i].count_value)
continue;
if(!wu->per_job_type[i].st) {
size_t job_name_len = string_strlen(wu->per_job_type[i].name);
if(job_name_len > RRD_ID_LENGTH_MAX) job_name_len = RRD_ID_LENGTH_MAX;
char job_name_sanitized[job_name_len + 1];
rrdset_strncpyz_name(job_name_sanitized, string2str(wu->per_job_type[i].name), job_name_len);
char name[RRD_ID_LENGTH_MAX + 1];
snprintfz(name, RRD_ID_LENGTH_MAX, "workers_%s_value_%s", wu->name_lowercase, job_name_sanitized);
char context[RRD_ID_LENGTH_MAX + 1];
snprintf(context, RRD_ID_LENGTH_MAX, "netdata.workers.%s.value.%s", wu->name_lowercase, job_name_sanitized);
char title[1000 + 1];
snprintf(title, 1000, "Netdata Workers %s Value of %s", wu->name_lowercase, string2str(wu->per_job_type[i].name));
wu->per_job_type[i].st = rrdset_create_localhost(
"netdata"
, name
, NULL
, wu->family
, context
, title
, (wu->per_job_type[i].units)?string2str(wu->per_job_type[i].units):"value"
, "netdata"
, "stats"
, wu->priority + 5
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
wu->per_job_type[i].rd_min = rrddim_add(wu->per_job_type[i].st, "min", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
wu->per_job_type[i].rd_max = rrddim_add(wu->per_job_type[i].st, "max", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
wu->per_job_type[i].rd_avg = rrddim_add(wu->per_job_type[i].st, "average", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(wu->per_job_type[i].st);
rrddim_set_by_pointer(wu->per_job_type[i].st, wu->per_job_type[i].rd_min, (collected_number)(wu->per_job_type[i].min_value * WORKER_CHART_DECIMAL_PRECISION));
rrddim_set_by_pointer(wu->per_job_type[i].st, wu->per_job_type[i].rd_max, (collected_number)(wu->per_job_type[i].max_value * WORKER_CHART_DECIMAL_PRECISION));
rrddim_set_by_pointer(wu->per_job_type[i].st, wu->per_job_type[i].rd_avg, (collected_number)(wu->per_job_type[i].sum_value / wu->per_job_type[i].count_value * WORKER_CHART_DECIMAL_PRECISION));
rrdset_done(wu->per_job_type[i].st);
}
}
// ----------------------------------------------------------------------
// custom metric types WORKER_METRIC_INCREMENTAL
{
size_t i;
for (i = 0; i < WORKER_UTILIZATION_MAX_JOB_TYPES; i++) {
if(wu->per_job_type[i].type != WORKER_METRIC_INCREMENTAL)
continue;
if(!wu->per_job_type[i].count_value)
continue;
if(!wu->per_job_type[i].st) {
size_t job_name_len = string_strlen(wu->per_job_type[i].name);
if(job_name_len > RRD_ID_LENGTH_MAX) job_name_len = RRD_ID_LENGTH_MAX;
char job_name_sanitized[job_name_len + 1];
rrdset_strncpyz_name(job_name_sanitized, string2str(wu->per_job_type[i].name), job_name_len);
char name[RRD_ID_LENGTH_MAX + 1];
snprintfz(name, RRD_ID_LENGTH_MAX, "workers_%s_rate_%s", wu->name_lowercase, job_name_sanitized);
char context[RRD_ID_LENGTH_MAX + 1];
snprintf(context, RRD_ID_LENGTH_MAX, "netdata.workers.%s.rate.%s", wu->name_lowercase, job_name_sanitized);
char title[1000 + 1];
snprintf(title, 1000, "Netdata Workers %s Rate of %s", wu->name_lowercase, string2str(wu->per_job_type[i].name));
wu->per_job_type[i].st = rrdset_create_localhost(
"netdata"
, name
, NULL
, wu->family
, context
, title
, (wu->per_job_type[i].units)?string2str(wu->per_job_type[i].units):"rate"
, "netdata"
, "stats"
, wu->priority + 5
, localhost->rrd_update_every
, RRDSET_TYPE_LINE
);
wu->per_job_type[i].rd_min = rrddim_add(wu->per_job_type[i].st, "min", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
wu->per_job_type[i].rd_max = rrddim_add(wu->per_job_type[i].st, "max", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
wu->per_job_type[i].rd_avg = rrddim_add(wu->per_job_type[i].st, "average", NULL, 1, WORKER_CHART_DECIMAL_PRECISION, RRD_ALGORITHM_ABSOLUTE);
}
else
rrdset_next(wu->per_job_type[i].st);
rrddim_set_by_pointer(wu->per_job_type[i].st, wu->per_job_type[i].rd_min, (collected_number)(wu->per_job_type[i].min_value * WORKER_CHART_DECIMAL_PRECISION));
rrddim_set_by_pointer(wu->per_job_type[i].st, wu->per_job_type[i].rd_max, (collected_number)(wu->per_job_type[i].max_value * WORKER_CHART_DECIMAL_PRECISION));
rrddim_set_by_pointer(wu->per_job_type[i].st, wu->per_job_type[i].rd_avg, (collected_number)(wu->per_job_type[i].sum_value / wu->per_job_type[i].count_value * WORKER_CHART_DECIMAL_PRECISION));
rrdset_done(wu->per_job_type[i].st);
}
}
}
static void workers_utilization_reset_statistics(struct worker_utilization *wu) {
wu->workers_registered = 0;
wu->workers_busy = 0;
wu->workers_total_busy_time = 0;
wu->workers_total_duration = 0;
wu->workers_total_jobs_started = 0;
wu->workers_min_busy_time = WORKERS_MIN_PERCENT_DEFAULT;
wu->workers_max_busy_time = 0;
wu->workers_cpu_registered = 0;
wu->workers_cpu_min = WORKERS_MIN_PERCENT_DEFAULT;
wu->workers_cpu_max = 0;
wu->workers_cpu_total = 0;
size_t i;
for(i = 0; i < WORKER_UTILIZATION_MAX_JOB_TYPES ;i++) {
if(unlikely(!wu->name_lowercase)) {
wu->name_lowercase = strdupz(wu->name);
char *s = wu->name_lowercase;
for( ; *s ; s++) *s = tolower(*s);
}
wu->per_job_type[i].jobs_started = 0;
wu->per_job_type[i].busy_time = 0;
wu->per_job_type[i].min_value = NAN;
wu->per_job_type[i].max_value = NAN;
wu->per_job_type[i].sum_value = NAN;
wu->per_job_type[i].count_value = 0;
}
struct worker_thread *wt;
for(wt = wu->threads; wt ; wt = wt->next) {
wt->enabled = 0;
wt->cpu_enabled = 0;
}
}
static int read_thread_cpu_time_from_proc_stat(pid_t pid __maybe_unused, kernel_uint_t *utime __maybe_unused, kernel_uint_t *stime __maybe_unused) {
#ifdef __linux__
char filename[200 + 1];
snprintfz(filename, 200, "/proc/self/task/%d/stat", pid);
procfile *ff = procfile_open(filename, " ", PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
if(!ff) return -1;
ff = procfile_readall(ff);
if(!ff) return -1;
*utime = str2kernel_uint_t(procfile_lineword(ff, 0, 13));
*stime = str2kernel_uint_t(procfile_lineword(ff, 0, 14));
procfile_close(ff);
return 0;
#else
// TODO: add here cpu time detection per thread, for FreeBSD and MacOS
*utime = 0;
*stime = 0;
return 1;
#endif
}
static void workers_threads_cleanup(struct worker_utilization *wu) {
struct worker_thread *t;
// free threads at the beginning of the linked list
while(wu->threads && !wu->threads->enabled) {
t = wu->threads;
wu->threads = t->next;
t->next = NULL;
freez(t);
}
// free threads in the middle of the linked list
for(t = wu->threads; t && t->next ; t = t->next) {
if(t->next->enabled) continue;
struct worker_thread *to_remove = t->next;
t->next = to_remove->next;
to_remove->next = NULL;
freez(to_remove);
}
}
static struct worker_thread *worker_thread_find(struct worker_utilization *wu, pid_t pid) {
struct worker_thread *wt;
for(wt = wu->threads; wt && wt->pid != pid ; wt = wt->next) ;
return wt;
}
static struct worker_thread *worker_thread_create(struct worker_utilization *wu, pid_t pid) {
struct worker_thread *wt;
wt = (struct worker_thread *)callocz(1, sizeof(struct worker_thread));
wt->pid = pid;
// link it
wt->next = wu->threads;
wu->threads = wt;
return wt;
}
static struct worker_thread *worker_thread_find_or_create(struct worker_utilization *wu, pid_t pid) {
struct worker_thread *wt;
wt = worker_thread_find(wu, pid);
if(!wt) wt = worker_thread_create(wu, pid);
return wt;
}
static void worker_utilization_charts_callback(void *ptr
, pid_t pid __maybe_unused
, const char *thread_tag __maybe_unused
, size_t utilization_usec __maybe_unused
, size_t duration_usec __maybe_unused
, size_t jobs_started __maybe_unused
, size_t is_running __maybe_unused
, STRING **job_types_names __maybe_unused
, STRING **job_types_units __maybe_unused
, WORKER_METRIC_TYPE *job_types_metric_types __maybe_unused
, size_t *job_types_jobs_started __maybe_unused
, usec_t *job_types_busy_time __maybe_unused
, NETDATA_DOUBLE *job_types_custom_metrics __maybe_unused
) {
struct worker_utilization *wu = (struct worker_utilization *)ptr;
// find the worker_thread in the list
struct worker_thread *wt = worker_thread_find_or_create(wu, pid);
wt->enabled = 1;
wt->busy_time = utilization_usec;
wt->jobs_started = jobs_started;
wt->utime_old = wt->utime;
wt->stime_old = wt->stime;
wt->collected_time_old = wt->collected_time;
wu->workers_total_busy_time += utilization_usec;
wu->workers_total_duration += duration_usec;
wu->workers_total_jobs_started += jobs_started;
wu->workers_busy += is_running;
wu->workers_registered++;
double util = (double)utilization_usec * 100.0 / (double)duration_usec;
if(util > wu->workers_max_busy_time)
wu->workers_max_busy_time = util;
if(util < wu->workers_min_busy_time)
wu->workers_min_busy_time = util;
// accumulate per job type statistics
size_t i;
for(i = 0; i < WORKER_UTILIZATION_MAX_JOB_TYPES ;i++) {
if(!wu->per_job_type[i].name && job_types_names[i])
wu->per_job_type[i].name = string_dup(job_types_names[i]);
if(!wu->per_job_type[i].units && job_types_units[i])
wu->per_job_type[i].units = string_dup(job_types_units[i]);
wu->per_job_type[i].type = job_types_metric_types[i];
wu->per_job_type[i].jobs_started += job_types_jobs_started[i];
wu->per_job_type[i].busy_time += job_types_busy_time[i];
NETDATA_DOUBLE value = job_types_custom_metrics[i];
if(netdata_double_isnumber(value)) {
if(!wu->per_job_type[i].count_value) {
wu->per_job_type[i].count_value = 1;
wu->per_job_type[i].min_value = value;
wu->per_job_type[i].max_value = value;
wu->per_job_type[i].sum_value = value;
}
else {
wu->per_job_type[i].count_value++;
wu->per_job_type[i].sum_value += value;
if(value < wu->per_job_type[i].min_value) wu->per_job_type[i].min_value = value;
if(value > wu->per_job_type[i].max_value) wu->per_job_type[i].max_value = value;
}
}
}
// find its CPU utilization
if((!read_thread_cpu_time_from_proc_stat(pid, &wt->utime, &wt->stime))) {
wt->collected_time = now_realtime_usec();
usec_t delta = wt->collected_time - wt->collected_time_old;
double utime = (double)(wt->utime - wt->utime_old) / (double)system_hz * 100.0 * (double)USEC_PER_SEC / (double)delta;
double stime = (double)(wt->stime - wt->stime_old) / (double)system_hz * 100.0 * (double)USEC_PER_SEC / (double)delta;
double cpu = utime + stime;
wt->cpu = cpu;
wt->cpu_enabled = 1;
wu->workers_cpu_total += cpu;
if(cpu < wu->workers_cpu_min) wu->workers_cpu_min = cpu;
if(cpu > wu->workers_cpu_max) wu->workers_cpu_max = cpu;
}
wu->workers_cpu_registered += wt->cpu_enabled;
}
static void worker_utilization_charts(void) {
static size_t iterations = 0;
iterations++;
int i;
for(i = 0; all_workers_utilization[i].name ;i++) {
workers_utilization_reset_statistics(&all_workers_utilization[i]);
workers_foreach(all_workers_utilization[i].name, worker_utilization_charts_callback, &all_workers_utilization[i]);
// skip the first iteration, so that we don't accumulate startup utilization to our charts
if(likely(iterations > 1))
workers_utilization_update_chart(&all_workers_utilization[i]);
workers_threads_cleanup(&all_workers_utilization[i]);
}
workers_total_cpu_utilization_chart();
}
static void worker_utilization_finish(void) {
int i, j;
for(i = 0; all_workers_utilization[i].name ;i++) {
struct worker_utilization *wu = &all_workers_utilization[i];
if(wu->name_lowercase) {
freez(wu->name_lowercase);
wu->name_lowercase = NULL;
}
for(j = 0; j < WORKER_UTILIZATION_MAX_JOB_TYPES ;j++) {
string_freez(wu->per_job_type[j].name);
wu->per_job_type[j].name = NULL;
string_freez(wu->per_job_type[j].units);
wu->per_job_type[j].units = NULL;
}
// mark all threads as not enabled
struct worker_thread *t;
for(t = wu->threads; t ; t = t->next) t->enabled = 0;
// let the cleanup job free them
workers_threads_cleanup(wu);
}
}
// ---------------------------------------------------------------------------------------------------------------------
static void global_statistics_cleanup(void *ptr)
{
worker_unregister();
struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
info("cleaning up...");
worker_utilization_finish();
static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
}
void *global_statistics_main(void *ptr)
{
worker_register("STATS");
worker_register_job_name(WORKER_JOB_GLOBAL, "global");
worker_register_job_name(WORKER_JOB_REGISTRY, "registry");
worker_register_job_name(WORKER_JOB_WORKERS, "workers");
worker_register_job_name(WORKER_JOB_DBENGINE, "dbengine");
worker_register_job_name(WORKER_JOB_STRINGS, "strings");
worker_register_job_name(WORKER_JOB_DICTIONARIES, "dictionaries");
netdata_thread_cleanup_push(global_statistics_cleanup, ptr);
int update_every =
(int)config_get_number(CONFIG_SECTION_GLOBAL_STATISTICS, "update every", localhost->rrd_update_every);
if (update_every < localhost->rrd_update_every)
update_every = localhost->rrd_update_every;
usec_t step = update_every * USEC_PER_SEC;
heartbeat_t hb;
heartbeat_init(&hb);
// keep the randomness at zero
// to make sure we are not close to any other thread
hb.randomness = 0;
while (!netdata_exit) {
worker_is_idle();
heartbeat_next(&hb, step);
worker_is_busy(WORKER_JOB_WORKERS);
worker_utilization_charts();
worker_is_busy(WORKER_JOB_GLOBAL);
global_statistics_charts();
worker_is_busy(WORKER_JOB_REGISTRY);
registry_statistics();
worker_is_busy(WORKER_JOB_DBENGINE);
dbengine_statistics_charts();
worker_is_busy(WORKER_JOB_HEARTBEAT);
update_heartbeat_charts();
worker_is_busy(WORKER_JOB_STRINGS);
update_strings_charts();
worker_is_busy(WORKER_JOB_DICTIONARIES);
dictionary_statistics();
}
netdata_thread_cleanup_pop(1);
return NULL;
}
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