1/* 2 * Copyright (C) 2013 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "core/testing/InternalProfilers.h" 33 34#include "public/platform/Platform.h" 35#include "wtf/text/CString.h" 36#include "wtf/text/WTFString.h" 37#include <algorithm> 38 39namespace blink { 40 41InternalProfilers::InternalProfilers() 42{ 43} 44 45void InternalProfilers::startHeapProfiling(const String& prefix) 46{ 47 blink::Platform::current()->startHeapProfiling(prefix); 48} 49 50void InternalProfilers::stopHeapProfiling() 51{ 52 blink::Platform::current()->stopHeapProfiling(); 53} 54 55void InternalProfilers::dumpHeapProfiling(const String& reason) 56{ 57 blink::Platform::current()->dumpHeapProfiling(reason); 58} 59 60String InternalProfilers::getHeapProfile() 61{ 62 String text = blink::Platform::current()->getHeapProfile(); 63 // Only return the first line which contains total numbers 64 // because whole dump is too big and too noisy to process in JavaScript. 65 return text.substring(0, text.find('\n')); 66} 67 68} 69