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7017124: Fix some VM stats to avoid 32-bit overflow

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Added new method inc_stat_counter() to increment long statistic values and use atomic long load and store.

Reviewed-by: dholmes, jrose, phh, never
This commit is contained in:
Vladimir Kozlov 2011-02-07 10:34:39 -08:00
parent e7c3086ed3
commit b9633d42b4
10 changed files with 100 additions and 80 deletions
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5
hotspot/src/share/vm/runtime/globals.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2011, 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
@ -712,6 +712,9 @@ class CommandLineFlags {
develop(bool, PrintMalloc, false, \
"print all malloc/free calls") \
\
develop(bool, PrintMallocStatistics, false, \
"print malloc/free statistics") \
\
develop(bool, ZapResourceArea, trueInDebug, \
"Zap freed resource/arena space with 0xABABABAB") \
\