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Commit	Line	Data
	1	/*
	2	* Copyright (C) 2012 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef HeapStatistics_h
	27	#define HeapStatistics_h
	28
	29	#include "JSExportMacros.h"
	30	#include <wtf/Deque.h>
	31
	32	namespace JSC {
	33
	34	class Heap;
	35
	36	class HeapStatistics {
	37	public:
	38	NO_RETURN static void exitWithFailure();
	39	JS_EXPORT_PRIVATE static void reportSuccess();
	40
	41	static void initialize();
	42	static void recordGCPauseTime(double start, double end);
	43	static size_t parseMemoryAmount(char*);
	44
	45	static void showObjectStatistics(Heap*);
	46
	47	static const size_t KB = 1024;
	48	static const size_t MB = 1024 * KB;
	49	static const size_t GB = 1024 * MB;
	50
	51	private:
	52	static void logStatistics();
	53	static Vector<double>* s_pauseTimeStarts;
	54	static Vector<double>* s_pauseTimeEnds;
	55	static double s_startTime;
	56	static double s_endTime;
	57	};
	58
	59	} // namespace JSC
	60
	61	#endif