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8357829: Commented out sample limit in JfrSamplerThread::task_stacktrace

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Reviewed-by: shade
This commit is contained in:
Markus Grönlund 2025-05-28 08:57:04 +00:00
parent 1e0caedb9a
commit f02190bc30
1 changed files with 5 additions and 3 deletions
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8
src/hotspot/share/jfr/periodic/sampling/jfrThreadSampler.cpp
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@ -221,8 +221,11 @@ static inline bool is_excluded(JavaThread* jt) {
return jt->is_Compiler_thread() || jt->is_hidden_from_external_view() || jt->is_JfrRecorder_thread() || jt->jfr_thread_local()->is_excluded();
}
static const uint MAX_NR_OF_JAVA_SAMPLES = 5;
static const uint MAX_NR_OF_NATIVE_SAMPLES = 1;
void JfrSamplerThread::task_stacktrace(JfrSampleRequestType type, JavaThread** last_thread) {
const uint sample_limit = JAVA_SAMPLE == type ? 5 : 1;
const uint sample_limit = JAVA_SAMPLE == type ? MAX_NR_OF_JAVA_SAMPLES : MAX_NR_OF_NATIVE_SAMPLES;
uint num_samples = 0;
JavaThread* start = nullptr;
elapsedTimer sample_time;
@ -235,8 +238,7 @@ void JfrSamplerThread::task_stacktrace(JfrSampleRequestType type, JavaThread** l
_cur_index = tlh.list()->find_index_of_JavaThread(*last_thread);
JavaThread* current = _cur_index != -1 ? *last_thread : nullptr;
// while (num_samples < sample_limit) {
while (true) {
while (num_samples < sample_limit) {
current = next_thread(tlh.list(), start, current);
if (current == nullptr) {
break;