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Add helper send_resident_set_size_event

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MBaesken 2026-06-08 15:20:36 +02:00
parent 5bfe28b9d7
commit d99a51c29f
1 changed files with 9 additions and 11 deletions
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20
src/hotspot/os/linux/os_linux.cpp
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@ -2768,12 +2768,16 @@ void os::pd_print_cpu_info(outputStream* st, char* buf, size_t buflen) {
// hwm (high water mark) in K for the VM RSS
static long jfr_rss_hwm_k = -1;
static void send_resident_set_size_event(ssize_t size, ssize_t peak) {
EventResidentSetSize event;
event.set_size(size * K);
event.set_peak(peak * K);
event.commit();
}
void os::jfr_report_memory_info() {
os::Linux::accurate_meminfo_t accurate_info;
if (os::Linux::query_accurate_process_memory_info(&accurate_info) && accurate_info.rss != -1) {
EventResidentSetSize event;
event.set_size(accurate_info.rss * K);
// unfortunately the smaps_rollup/accurate_info contains no hwm (high water mark) for RSS
struct rusage ru;
if (getrusage(RUSAGE_SELF, &ru) == 0) {
@ -2787,19 +2791,13 @@ void os::jfr_report_memory_info() {
jfr_rss_hwm_k = accurate_info.rss;
}
event.set_peak(jfr_rss_hwm_k * K);
event.commit();
send_resident_set_size_event(accurate_info.rss, jfr_rss_hwm_k);
return;
}
os::Linux::meminfo_t info;
if (os::Linux::query_process_memory_info(&info)) {
// Send the RSS JFR event
EventResidentSetSize event;
event.set_size(info.vmrss * K);
event.set_peak(info.vmhwm * K);
event.commit();
send_resident_set_size_event(info.vmrss, info.vmhwm);
} else {
// Log a warning
static bool first_warning = true;