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8069273: Decrease Hot Card Cache Lock contention

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Reviewed-by: tschatzl, mgerdin
This commit is contained in:
Claes Redestad 2015-01-29 15:05:25 +01:00
parent 3bd08574dc
commit 155c09ca6b
4 changed files with 75 additions and 66 deletions
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4
hotspot/src/share/vm/runtime/mutexLocker.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -120,7 +120,6 @@ Monitor* SecondaryFreeList_lock = NULL;
Mutex* OldSets_lock = NULL;
Monitor* RootRegionScan_lock = NULL;
Mutex* MMUTracker_lock = NULL;
Mutex* HotCardCache_lock = NULL;
Monitor* GCTaskManager_lock = NULL;
@ -199,7 +198,6 @@ void mutex_init() {
def(OldSets_lock , Mutex , leaf , true, Monitor::_safepoint_check_never);
def(RootRegionScan_lock , Monitor, leaf , true, Monitor::_safepoint_check_never);
def(MMUTracker_lock , Mutex , leaf , true, Monitor::_safepoint_check_never);
def(HotCardCache_lock , Mutex , special , true, Monitor::_safepoint_check_never);
def(EvacFailureStack_lock , Mutex , nonleaf , true, Monitor::_safepoint_check_never);
def(StringDedupQueue_lock , Monitor, leaf, true, Monitor::_safepoint_check_never);