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61 lines (50 loc) · 2.09 KB
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/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HeapStatistics_h
#define HeapStatistics_h
#include "JSExportMacros.h"
#include <wtf/Deque.h>
namespace JSC {
class Heap;
class HeapStatistics {
public:
NO_RETURN static void exitWithFailure();
JS_EXPORT_PRIVATE static void reportSuccess();
static void initialize();
static void recordGCPauseTime(double start, double end);
static size_t parseMemoryAmount(char*);
static void showObjectStatistics(Heap*);
static const size_t KB = 1024;
static const size_t MB = 1024 * KB;
static const size_t GB = 1024 * MB;
private:
static void logStatistics();
static Vector<double>* s_pauseTimeStarts;
static Vector<double>* s_pauseTimeEnds;
static double s_startTime;
static double s_endTime;
};
} // namespace JSC
#endif