16a3e2f16d
Eliminating duplicated code by introducing print_on(outputStream* st) methods in NamedThread Reviewed-by: twisti, coleenp, dholmes
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPTHREAD_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPTHREAD_HPP
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#include "gc_implementation/g1/g1StringDedupStat.hpp"
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#include "gc_implementation/shared/concurrentGCThread.hpp"
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//
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// The deduplication thread is where the actual deduplication occurs. It waits for
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// deduplication candidates to appear on the deduplication queue, removes them from
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// the queue and tries to deduplicate them. It uses the deduplication hashtable to
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// find identical, already existing, character arrays on the heap. The thread runs
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// concurrently with the Java application but participates in safepoints to allow
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// the GC to adjust and unlink oops from the deduplication queue and table.
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//
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class G1StringDedupThread: public ConcurrentGCThread {
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private:
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static G1StringDedupThread* _thread;
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G1StringDedupThread();
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~G1StringDedupThread();
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void print(outputStream* st, const G1StringDedupStat& last_stat, const G1StringDedupStat& total_stat);
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public:
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static void create();
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static void stop();
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static G1StringDedupThread* thread();
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virtual void run();
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};
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#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1STRINGDEDUPTHREAD_HPP
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