Mercurial > hg > truffle
view src/share/vm/gc_implementation/shared/cSpaceCounters.cpp @ 616:4f360ec815ba
6720309: G1: don't synchronously update RSet during evacuation pauses
6720334: G1: don't update RSets of collection set regions during an evacuation pause
Summary: Introduced a deferred update mechanism for delaying the rset updates during the collection pause
Reviewed-by: apetrusenko, tonyp
author | iveresov |
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date | Fri, 06 Mar 2009 13:50:14 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002-2004 Sun Microsystems, Inc. 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_cSpaceCounters.cpp.incl" CSpaceCounters::CSpaceCounters(const char* name, int ordinal, size_t max_size, ContiguousSpace* s, GenerationCounters* gc) : _space(s) { if (UsePerfData) { EXCEPTION_MARK; ResourceMark rm; const char* cns = PerfDataManager::name_space(gc->name_space(), "space", ordinal); _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1); strcpy(_name_space, cns); const char* cname = PerfDataManager::counter_name(_name_space, "name"); PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); cname = PerfDataManager::counter_name(_name_space, "maxCapacity"); PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, (jlong)max_size, CHECK); cname = PerfDataManager::counter_name(_name_space, "capacity"); _capacity = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, _space->capacity(), CHECK); cname = PerfDataManager::counter_name(_name_space, "used"); _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes, new ContiguousSpaceUsedHelper(_space), CHECK); cname = PerfDataManager::counter_name(_name_space, "initCapacity"); PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes, _space->capacity(), CHECK); } }