1/* 2 * Copyright 2010, The Android Open Source Project 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 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * 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 THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 27#ifdef ANDROID_INSTRUMENT 28 29#define LOG_TAG "WebCore" 30 31#include "config.h" 32#include "V8Counters.h" 33 34#include "NotImplemented.h" 35#include <utils/Log.h> 36#include <wtf/text/CString.h> 37#include <wtf/text/StringHash.h> 38 39#if USE(V8) 40 41namespace WebCore { 42 43V8Counters::Counter::Counter(bool isHistogram) 44 : m_count(0), m_sampleTotal(0), m_isHistogram(isHistogram) { } 45 46void V8Counters::Counter::addSample(int sample) 47{ 48 m_count++; 49 m_sampleTotal += sample; 50} 51 52HashMap<String, V8Counters::Counter*> V8Counters::m_counters; 53 54// static 55int* V8Counters::counterForName(const char* name) 56{ 57 Counter* counter = m_counters.get(name); 58 if (!counter) { 59 counter = new Counter(false); 60 m_counters.add(name, counter); 61 } 62 return *counter; 63} 64 65// static 66void* V8Counters::createHistogram(const char* name, int min, int max, 67 size_t buckets) 68{ 69 Counter* counter = new Counter(true); 70 m_counters.add(name, counter); 71 return counter; 72} 73 74// static 75void V8Counters::addHistogramSample(void* histogram, int sample) 76{ 77 Counter* counter = reinterpret_cast<Counter*>(histogram); 78 counter->addSample(sample); 79} 80 81// static 82void V8Counters::initCounters() 83{ 84 static bool isInitialized = false; 85 if (!isInitialized) { 86 v8::V8::SetCounterFunction(counterForName); 87 v8::V8::SetCreateHistogramFunction(createHistogram); 88 v8::V8::SetAddHistogramSampleFunction(addHistogramSample); 89 isInitialized = true; 90 } 91} 92 93// static 94void V8Counters::dumpCounters() 95{ 96 LOGD("+----------------------------------------+-------------+\n"); 97 LOGD("| Name | Value |\n"); 98 LOGD("+----------------------------------------+-------------+\n"); 99 typedef HashMap<String, V8Counters::Counter*>::iterator CounterIterator; 100 for (CounterIterator iter = m_counters.begin(); iter != m_counters.end(); ++iter) { 101 Counter* counter = iter->second; 102 if (counter->isHistogram()) { 103 LOGD("| c:%-36s | %11i |\n", iter->first.latin1().data(), counter->count()); 104 LOGD("| t:%-36s | %11i |\n", iter->first.latin1().data(), counter->sampleTotal()); 105 } else { 106 LOGD("| %-38s | %11i |\n", iter->first.latin1().data(), counter->count()); 107 } 108 } 109 LOGD("+----------------------------------------+-------------+\n"); 110} 111 112} 113 114#endif // ANDROID_INSTRUMENT 115 116#endif // USE(V8) 117