Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/shared/collectorCounters.cpp @ 11001:c52abc8a0b08
8010124: JVM_GetClassContext: use GrowableArray instead of KlassLink
Summary: replace linked data structure with array (performance)
Reviewed-by: kvn
Contributed-by: christian.thalinger@oracle.com, david.r.chase@oracle.com
author | drchase |
---|---|
date | Thu, 13 Jun 2013 15:39:47 -0400 |
parents | b9a9ed0f8eeb |
children |
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/* * Copyright (c) 2002, 2012, 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 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "gc_implementation/shared/collectorCounters.hpp" #include "memory/resourceArea.hpp" CollectorCounters::CollectorCounters(const char* name, int ordinal) { if (UsePerfData) { EXCEPTION_MARK; ResourceMark rm; const char* cns = PerfDataManager::name_space("collector", ordinal); _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC); strcpy(_name_space, cns); char* cname = PerfDataManager::counter_name(_name_space, "name"); PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK); cname = PerfDataManager::counter_name(_name_space, "invocations"); _invocations = PerfDataManager::create_counter(SUN_GC, cname, PerfData::U_Events, CHECK); cname = PerfDataManager::counter_name(_name_space, "time"); _time = PerfDataManager::create_counter(SUN_GC, cname, PerfData::U_Ticks, CHECK); cname = PerfDataManager::counter_name(_name_space, "lastEntryTime"); _last_entry_time = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Ticks, CHECK); cname = PerfDataManager::counter_name(_name_space, "lastExitTime"); _last_exit_time = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Ticks, CHECK); } }