1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tools/profiler/TableTicker.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,224 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef TableTicker_h
1.10 +#define TableTicker_h
1.11 +
1.12 +#include "platform.h"
1.13 +#include "ProfileEntry.h"
1.14 +#include "mozilla/Mutex.h"
1.15 +#include "IntelPowerGadget.h"
1.16 +
1.17 +static bool
1.18 +hasFeature(const char** aFeatures, uint32_t aFeatureCount, const char* aFeature) {
1.19 + for(size_t i = 0; i < aFeatureCount; i++) {
1.20 + if (strcmp(aFeatures[i], aFeature) == 0)
1.21 + return true;
1.22 + }
1.23 + return false;
1.24 +}
1.25 +
1.26 +static bool
1.27 +threadSelected(ThreadInfo* aInfo, char** aThreadNameFilters, uint32_t aFeatureCount) {
1.28 + if (aFeatureCount == 0) {
1.29 + return true;
1.30 + }
1.31 +
1.32 + for (uint32_t i = 0; i < aFeatureCount; ++i) {
1.33 + const char* filterPrefix = aThreadNameFilters[i];
1.34 + if (strncmp(aInfo->Name(), filterPrefix, strlen(filterPrefix)) == 0) {
1.35 + return true;
1.36 + }
1.37 + }
1.38 +
1.39 + return false;
1.40 +}
1.41 +
1.42 +extern TimeStamp sLastTracerEvent;
1.43 +extern int sFrameNumber;
1.44 +extern int sLastFrameNumber;
1.45 +extern unsigned int sCurrentEventGeneration;
1.46 +extern unsigned int sLastSampledEventGeneration;
1.47 +
1.48 +class BreakpadSampler;
1.49 +
1.50 +class TableTicker: public Sampler {
1.51 + public:
1.52 + TableTicker(double aInterval, int aEntrySize,
1.53 + const char** aFeatures, uint32_t aFeatureCount,
1.54 + const char** aThreadNameFilters, uint32_t aFilterCount)
1.55 + : Sampler(aInterval, true, aEntrySize)
1.56 + , mPrimaryThreadProfile(nullptr)
1.57 + , mSaveRequested(false)
1.58 + , mUnwinderThread(false)
1.59 + , mFilterCount(aFilterCount)
1.60 +#if defined(XP_WIN)
1.61 + , mIntelPowerGadget(nullptr)
1.62 +#endif
1.63 + {
1.64 + mUseStackWalk = hasFeature(aFeatures, aFeatureCount, "stackwalk");
1.65 +
1.66 + //XXX: It's probably worth splitting the jank profiler out from the regular profiler at some point
1.67 + mJankOnly = hasFeature(aFeatures, aFeatureCount, "jank");
1.68 + mProfileJS = hasFeature(aFeatures, aFeatureCount, "js");
1.69 + mProfileJava = hasFeature(aFeatures, aFeatureCount, "java");
1.70 + mProfilePower = hasFeature(aFeatures, aFeatureCount, "power");
1.71 + mProfileThreads = hasFeature(aFeatures, aFeatureCount, "threads");
1.72 + mUnwinderThread = hasFeature(aFeatures, aFeatureCount, "unwinder") || sps_version2();
1.73 + mAddLeafAddresses = hasFeature(aFeatures, aFeatureCount, "leaf");
1.74 + mPrivacyMode = hasFeature(aFeatures, aFeatureCount, "privacy");
1.75 + mAddMainThreadIO = hasFeature(aFeatures, aFeatureCount, "mainthreadio");
1.76 +
1.77 +#if defined(XP_WIN)
1.78 + if (mProfilePower) {
1.79 + mIntelPowerGadget = new IntelPowerGadget();
1.80 + mProfilePower = mIntelPowerGadget->Init();
1.81 + }
1.82 +#endif
1.83 +
1.84 + // Deep copy aThreadNameFilters
1.85 + mThreadNameFilters = new char*[aFilterCount];
1.86 + for (uint32_t i = 0; i < aFilterCount; ++i) {
1.87 + mThreadNameFilters[i] = strdup(aThreadNameFilters[i]);
1.88 + }
1.89 +
1.90 + sStartTime = TimeStamp::Now();
1.91 +
1.92 + {
1.93 + mozilla::MutexAutoLock lock(*sRegisteredThreadsMutex);
1.94 +
1.95 + // Create ThreadProfile for each registered thread
1.96 + for (uint32_t i = 0; i < sRegisteredThreads->size(); i++) {
1.97 + ThreadInfo* info = sRegisteredThreads->at(i);
1.98 +
1.99 + RegisterThread(info);
1.100 + }
1.101 +
1.102 + SetActiveSampler(this);
1.103 + }
1.104 + }
1.105 +
1.106 + ~TableTicker() {
1.107 + if (IsActive())
1.108 + Stop();
1.109 +
1.110 + SetActiveSampler(nullptr);
1.111 +
1.112 + // Destroy ThreadProfile for all threads
1.113 + {
1.114 + mozilla::MutexAutoLock lock(*sRegisteredThreadsMutex);
1.115 +
1.116 + for (uint32_t i = 0; i < sRegisteredThreads->size(); i++) {
1.117 + ThreadInfo* info = sRegisteredThreads->at(i);
1.118 + ThreadProfile* profile = info->Profile();
1.119 + if (profile) {
1.120 + delete profile;
1.121 + info->SetProfile(nullptr);
1.122 + }
1.123 + }
1.124 + }
1.125 +#if defined(XP_WIN)
1.126 + delete mIntelPowerGadget;
1.127 +#endif
1.128 + }
1.129 +
1.130 + void RegisterThread(ThreadInfo* aInfo) {
1.131 + if (!aInfo->IsMainThread() && !mProfileThreads) {
1.132 + return;
1.133 + }
1.134 +
1.135 + if (!threadSelected(aInfo, mThreadNameFilters, mFilterCount)) {
1.136 + return;
1.137 + }
1.138 +
1.139 + ThreadProfile* profile = new ThreadProfile(aInfo->Name(),
1.140 + EntrySize(),
1.141 + aInfo->Stack(),
1.142 + aInfo->ThreadId(),
1.143 + aInfo->GetPlatformData(),
1.144 + aInfo->IsMainThread(),
1.145 + aInfo->StackTop());
1.146 + aInfo->SetProfile(profile);
1.147 + }
1.148 +
1.149 + // Called within a signal. This function must be reentrant
1.150 + virtual void Tick(TickSample* sample);
1.151 +
1.152 + // Immediately captures the calling thread's call stack and returns it.
1.153 + virtual SyncProfile* GetBacktrace();
1.154 +
1.155 + // Called within a signal. This function must be reentrant
1.156 + virtual void RequestSave()
1.157 + {
1.158 + mSaveRequested = true;
1.159 + }
1.160 +
1.161 + virtual void HandleSaveRequest();
1.162 +
1.163 + ThreadProfile* GetPrimaryThreadProfile()
1.164 + {
1.165 + if (!mPrimaryThreadProfile) {
1.166 + mozilla::MutexAutoLock lock(*sRegisteredThreadsMutex);
1.167 +
1.168 + for (uint32_t i = 0; i < sRegisteredThreads->size(); i++) {
1.169 + ThreadInfo* info = sRegisteredThreads->at(i);
1.170 + if (info->IsMainThread()) {
1.171 + mPrimaryThreadProfile = info->Profile();
1.172 + break;
1.173 + }
1.174 + }
1.175 + }
1.176 +
1.177 + return mPrimaryThreadProfile;
1.178 + }
1.179 +
1.180 + void ToStreamAsJSON(std::ostream& stream);
1.181 + virtual JSObject *ToJSObject(JSContext *aCx);
1.182 + void StreamMetaJSCustomObject(JSStreamWriter& b);
1.183 + bool HasUnwinderThread() const { return mUnwinderThread; }
1.184 + bool ProfileJS() const { return mProfileJS; }
1.185 + bool ProfileJava() const { return mProfileJava; }
1.186 + bool ProfilePower() const { return mProfilePower; }
1.187 + bool ProfileThreads() const { return mProfileThreads; }
1.188 + bool InPrivacyMode() const { return mPrivacyMode; }
1.189 + bool AddMainThreadIO() const { return mAddMainThreadIO; }
1.190 +
1.191 +protected:
1.192 + // Called within a signal. This function must be reentrant
1.193 + virtual void UnwinderTick(TickSample* sample);
1.194 +
1.195 + // Called within a signal. This function must be reentrant
1.196 + virtual void InplaceTick(TickSample* sample);
1.197 +
1.198 + // Not implemented on platforms which do not support backtracing
1.199 + void doNativeBacktrace(ThreadProfile &aProfile, TickSample* aSample);
1.200 +
1.201 + void StreamJSObject(JSStreamWriter& b);
1.202 +
1.203 + // This represent the application's main thread (SAMPLER_INIT)
1.204 + ThreadProfile* mPrimaryThreadProfile;
1.205 + bool mSaveRequested;
1.206 + bool mAddLeafAddresses;
1.207 + bool mUseStackWalk;
1.208 + bool mJankOnly;
1.209 + bool mProfileJS;
1.210 + bool mProfileThreads;
1.211 + bool mUnwinderThread;
1.212 + bool mProfileJava;
1.213 + bool mProfilePower;
1.214 +
1.215 + // Keep the thread filter to check against new thread that
1.216 + // are started while profiling
1.217 + char** mThreadNameFilters;
1.218 + uint32_t mFilterCount;
1.219 + bool mPrivacyMode;
1.220 + bool mAddMainThreadIO;
1.221 +#if defined(XP_WIN)
1.222 + IntelPowerGadget* mIntelPowerGadget;
1.223 +#endif
1.224 +};
1.225 +
1.226 +#endif
1.227 +
