43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
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/*
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* Copyright 1998 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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// Prints periodic memory usage trace of HotSpot VM
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class MemProfilerTask;
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class MemProfiler : AllStatic {
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friend class MemProfilerTask;
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private:
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static MemProfilerTask* _task;
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static FILE* _log_fp;
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// Do trace (callback from MemProfilerTask and from disengage)
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static void do_trace() PRODUCT_RETURN;
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public:
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// Start/stop the profiler
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static void engage() PRODUCT_RETURN;
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static void disengage() PRODUCT_RETURN;
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// Tester
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static bool is_active() PRODUCT_RETURN0;
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};
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