stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge

Browse Source
This commit is contained in:
Christian Tornqvist 2013-07-12 20:47:23 +02:00
commit e67d425245
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hotspot/src/share/vm/services/memTracker.cpp
View File

@ -385,6 +385,7 @@ void MemTracker::enqueue_pending_recorder(MemRecorder* rec) {
#define SAFE_SEQUENCE_THRESHOLD 30 #define SAFE_SEQUENCE_THRESHOLD 30
#define HIGH_GENERATION_THRESHOLD 60 #define HIGH_GENERATION_THRESHOLD 60
#define MAX_RECORDER_THREAD_RATIO 30 #define MAX_RECORDER_THREAD_RATIO 30
#define MAX_RECORDER_PER_THREAD 100
void MemTracker::sync() { void MemTracker::sync() {
assert(_tracking_level > NMT_off, "NMT is not enabled"); assert(_tracking_level > NMT_off, "NMT is not enabled");
@ -437,6 +438,11 @@ void MemTracker::sync() {
// means that worker thread is lagging behind in processing them. // means that worker thread is lagging behind in processing them.
if (!AutoShutdownNMT) { if (!AutoShutdownNMT) {
_slowdown_calling_thread = (MemRecorder::_instance_count > MAX_RECORDER_THREAD_RATIO * _thread_count); _slowdown_calling_thread = (MemRecorder::_instance_count > MAX_RECORDER_THREAD_RATIO * _thread_count);
} else {
// If auto shutdown is on, enforce MAX_RECORDER_PER_THREAD threshold to prevent OOM
if (MemRecorder::_instance_count >= _thread_count * MAX_RECORDER_PER_THREAD) {
shutdown(NMT_out_of_memory);
}
} }
// check _worker_thread with lock to avoid racing condition // check _worker_thread with lock to avoid racing condition