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changeset 11138:5f056abe17c6

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Merge
author zgu
date Fri, 12 Jul 2013 04:35:52 -0700
parents c9a5fab39234 (diff) dbc0b5dc08f5 (current diff)
children c0cb474be37e
files
diffstat 1 files changed, 6 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/services/memTracker.cpp	Wed Jul 10 15:49:15 2013 +0000
+++ b/src/share/vm/services/memTracker.cpp	Fri Jul 12 04:35:52 2013 -0700
@@ -385,6 +385,7 @@
 #define SAFE_SEQUENCE_THRESHOLD    30
 #define HIGH_GENERATION_THRESHOLD  60
 #define MAX_RECORDER_THREAD_RATIO  30
+#define MAX_RECORDER_PER_THREAD    100
 
 void MemTracker::sync() {
   assert(_tracking_level > NMT_off, "NMT is not enabled");
@@ -437,6 +438,11 @@
         // means that worker thread is lagging behind in processing them.
         if (!AutoShutdownNMT) {
           _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