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6720309: G1: don't synchronously update RSet during evacuation pauses

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6720334: G1: don't update RSets of collection set regions during an evacuation pause

Introduced a deferred update mechanism for delaying the rset updates during the collection pause

Reviewed-by: apetrusenko, tonyp
This commit is contained in:
Igor Veresov 2009-03-06 13:50:14 -08:00
parent 72bfacbd95
commit 416d70bf91
13 changed files with 380 additions and 102 deletions
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4
hotspot/src/share/vm/gc_implementation/g1/concurrentG1RefineThread.cpp
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@ -133,14 +133,12 @@ void ConcurrentG1RefineThread::queueBasedRefinement() {
_co_tracker.update(false);
if (G1SmoothConcRefine) {
start_vtime_sec = os::elapsedVTime();
prev_buffer_num = curr_buffer_num;
_sts.leave();
os::sleep(Thread::current(), (jlong) _interval_ms, false);
_sts.join();
start_vtime_sec = os::elapsedVTime();
}
n_logs++;
}
// Make sure we harvest the PYA, if any.