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For #2899: Exporter: Add metrics cpu, memory and uname. (#3224)

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* Exporter: metrics support cpu gauge.
* Exporter: metrics support memory and uname..
* Exporter: Ignore error when uname fail.

Co-authored-by: winlin <winlin@vip.126.com>
This commit is contained in:
chundonglinlin 2022-10-31 08:53:58 +08:00 • committed by GitHub
parent 9673bfb92c
commit 9f4338bd9d
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6 changed files with 78 additions and 3 deletions
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40
trunk/src/app/srs_app_http_api.cpp
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@ -31,6 +31,10 @@ using namespace std;
#include <srs_protocol_utility.hpp>
#include <srs_app_coworkers.hpp>
#if defined(__linux__) || defined(SRS_OSX)
#include <sys/utsname.h>
#endif
srs_error_t srs_api_response_jsonp(ISrsHttpResponseWriter* w, string callback, string data)
{
srs_error_t err = srs_success;
@ -1084,7 +1088,10 @@ srs_error_t SrsGoApiMetrics::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessa
}
/*
* node_uname gauge
* build_info gauge
* cpu gauge
* memory gauge
* send_bytes_total counter
* receive_bytes_total counter
* streams gauge
@ -1094,9 +1101,22 @@ srs_error_t SrsGoApiMetrics::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessa
*/
SrsStatistic* stat = SrsStatistic::instance();
std::stringstream ss;
#if defined(__linux__) || defined(SRS_OSX)
// Get system info
utsname* system_info = srs_get_system_uname_info();
ss << "# HELP srs_node_uname_info Labeled system information as provided by the uname system call.\n"
<< "# TYPE srs_node_uname_info gauge\n"
<< "srs_node_uname_info{"
<< "sysname=\"" << system_info->sysname << "\","
<< "nodename=\"" << system_info->nodename << "\","
<< "release=\"" << system_info->release << "\","
<< "version=\"" << system_info->version << "\","
<< "machine=\"" << system_info->machine << "\""
<< "} 1\n";
#endif
// Build info from Config.
ss << "# HELP srs_build_info A metric with a constant '1' value labeled by build_date, version from which SRS was built.\n"
<< "# TYPE srs_build_info gauge\n"
@ -1109,6 +1129,24 @@ srs_error_t SrsGoApiMetrics::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessa
if (!tag_.empty()) ss << ",tag=\"" << tag_ << "\"";
ss << "} 1\n";
// Get ProcSelfStat
SrsProcSelfStat* u = srs_get_self_proc_stat();
// The cpu of proc used.
ss << "# HELP srs_cpu_percent SRS cpu used percent.\n"
<< "# TYPE srs_cpu_percent gauge\n"
<< "srs_cpu_percent "
<< u->percent * 100
<< "\n";
// The memory of proc used.(MBytes)
int memory = (int)(u->rss * 4);
ss << "# HELP srs_memory SRS memory used.\n"
<< "# TYPE srs_memory gauge\n"
<< "srs_memory "
<< memory
<< "\n";
// Dump metrics by statistic.
int64_t send_bytes, recv_bytes, nstreams, nclients, total_nclients, nerrs;
stat->dumps_metrics(send_bytes, recv_bytes, nstreams, nclients, total_nclients, nerrs);