report: add rss and use/kernel cpu usage fields by theanarkh · Pull Request #45043 · nodejs/node · GitHub
Skip to content

report: add rss and use/kernel cpu usage fields #45043

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
nodejs-github-bot merged 1 commit into from
Oct 24, 2022
Merged

report: add rss and use/kernel cpu usage fields #45043

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 12 additions & 7 deletions doc/api/report.md
View file
Open in desktop
15 changes: 15 additions & 0 deletions src/node_report.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -627,6 +627,13 @@ static void PrintResourceUsage(JSONWriter* writer) {
// Process and current thread usage statistics
uv_rusage_t rusage;
writer->json_objectstart("resourceUsage");

size_t rss;
int err = uv_resident_set_memory(&rss);
if (!err) {
writer->json_keyvalue("rss", rss);
}

if (uv_getrusage(&rusage) == 0) {
double user_cpu =
rusage.ru_utime.tv_sec + SEC_PER_MICROS * rusage.ru_utime.tv_usec;
Expand All @@ -636,7 +643,11 @@ static void PrintResourceUsage(JSONWriter* writer) {
writer->json_keyvalue("kernelCpuSeconds", kernel_cpu);
double cpu_abs = user_cpu + kernel_cpu;
double cpu_percentage = (cpu_abs / uptime) * 100.0;
double user_cpu_percentage = (user_cpu / uptime) * 100.0;
double kernel_cpu_percentage = (kernel_cpu / uptime) * 100.0;
writer->json_keyvalue("cpuConsumptionPercent", cpu_percentage);
writer->json_keyvalue("userCpuConsumptionPercent", user_cpu_percentage);
writer->json_keyvalue("kernelCpuConsumptionPercent", kernel_cpu_percentage);
writer->json_keyvalue("maxRss", rusage.ru_maxrss * 1024);
writer->json_objectstart("pageFaults");
writer->json_keyvalue("IORequired", rusage.ru_majflt);
Expand All @@ -660,7 +671,11 @@ static void PrintResourceUsage(JSONWriter* writer) {
writer->json_keyvalue("kernelCpuSeconds", kernel_cpu);
double cpu_abs = user_cpu + kernel_cpu;
double cpu_percentage = (cpu_abs / uptime) * 100.0;
double user_cpu_percentage = (user_cpu / uptime) * 100.0;
double kernel_cpu_percentage = (kernel_cpu / uptime) * 100.0;
writer->json_keyvalue("cpuConsumptionPercent", cpu_percentage);
writer->json_keyvalue("userCpuConsumptionPercent", user_cpu_percentage);
writer->json_keyvalue("kernelCpuConsumptionPercent", kernel_cpu_percentage);
writer->json_objectstart("fsActivity");
writer->json_keyvalue("reads", stats.ru_inblock);
writer->json_keyvalue("writes", stats.ru_oublock);
Expand Down
12 changes: 10 additions & 2 deletions test/common/report.js
View file
Open in desktop