| /* |
| * Copyright (C) 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2010 Google 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. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE 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 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. |
| */ |
| |
| #include "config.h" |
| #include "core/inspector/InspectorProfilerAgent.h" |
| |
| #include "bindings/core/v8/ScriptCallStackFactory.h" |
| #include "bindings/core/v8/ScriptProfiler.h" |
| #include "core/frame/ConsoleTypes.h" |
| #include "core/frame/UseCounter.h" |
| #include "core/inspector/InjectedScript.h" |
| #include "core/inspector/InjectedScriptHost.h" |
| #include "core/inspector/InspectorOverlay.h" |
| #include "core/inspector/InspectorState.h" |
| #include "core/inspector/InstrumentingAgents.h" |
| #include "core/inspector/ScriptCallStack.h" |
| #include "core/inspector/ScriptProfile.h" |
| #include "wtf/CurrentTime.h" |
| #include "wtf/text/StringConcatenate.h" |
| |
| namespace blink { |
| |
| namespace ProfilerAgentState { |
| static const char samplingInterval[] = "samplingInterval"; |
| static const char userInitiatedProfiling[] = "userInitiatedProfiling"; |
| static const char profilerEnabled[] = "profilerEnabled"; |
| static const char nextProfileId[] = "nextProfileId"; |
| } |
| |
| static PassRefPtr<TypeBuilder::Profiler::CPUProfile> createCPUProfile(const ScriptProfile& scriptProfile) |
| { |
| RefPtr<TypeBuilder::Profiler::CPUProfile> profile = TypeBuilder::Profiler::CPUProfile::create() |
| .setHead(scriptProfile.buildInspectorObjectForHead()) |
| .setStartTime(scriptProfile.startTime()) |
| .setEndTime(scriptProfile.endTime()); |
| profile->setSamples(scriptProfile.buildInspectorObjectForSamples()); |
| profile->setTimestamps(scriptProfile.buildInspectorObjectForTimestamps()); |
| return profile.release(); |
| } |
| |
| static PassRefPtr<TypeBuilder::Debugger::Location> currentDebugLocation() |
| { |
| RefPtrWillBeRawPtr<ScriptCallStack> callStack(createScriptCallStack(1)); |
| const ScriptCallFrame& lastCaller = callStack->at(0); |
| RefPtr<TypeBuilder::Debugger::Location> location = TypeBuilder::Debugger::Location::create() |
| .setScriptId(lastCaller.scriptId()) |
| .setLineNumber(lastCaller.lineNumber()); |
| location->setColumnNumber(lastCaller.columnNumber()); |
| return location.release(); |
| } |
| |
| class InspectorProfilerAgent::ProfileDescriptor { |
| public: |
| ProfileDescriptor(const String& id, const String& title) |
| : m_id(id) |
| , m_title(title) { } |
| String m_id; |
| String m_title; |
| }; |
| |
| PassOwnPtrWillBeRawPtr<InspectorProfilerAgent> InspectorProfilerAgent::create(InjectedScriptManager* injectedScriptManager, InspectorOverlay* overlay) |
| { |
| return adoptPtrWillBeNoop(new InspectorProfilerAgent(injectedScriptManager, overlay)); |
| } |
| |
| InspectorProfilerAgent::InspectorProfilerAgent(InjectedScriptManager* injectedScriptManager, InspectorOverlay* overlay) |
| : InspectorBaseAgent<InspectorProfilerAgent, InspectorFrontend::Profiler>("Profiler") |
| , m_injectedScriptManager(injectedScriptManager) |
| , m_recordingCPUProfile(false) |
| , m_profileNameIdleTimeMap(ScriptProfiler::currentProfileNameIdleTimeMap()) |
| , m_idleStartTime(0.0) |
| , m_overlay(overlay) |
| { |
| } |
| |
| InspectorProfilerAgent::~InspectorProfilerAgent() |
| { |
| } |
| |
| void InspectorProfilerAgent::consoleProfile(ExecutionContext* context, const String& title) |
| { |
| UseCounter::count(context, UseCounter::DevToolsConsoleProfile); |
| ASSERT(frontend() && enabled()); |
| String id = nextProfileId(); |
| m_startedProfiles.append(ProfileDescriptor(id, title)); |
| ScriptProfiler::start(id); |
| frontend()->consoleProfileStarted(id, currentDebugLocation(), title.isNull() ? 0 : &title); |
| } |
| |
| void InspectorProfilerAgent::consoleProfileEnd(const String& title) |
| { |
| ASSERT(frontend() && enabled()); |
| String id; |
| String resolvedTitle; |
| // Take last started profile if no title was passed. |
| if (title.isNull()) { |
| if (m_startedProfiles.isEmpty()) |
| return; |
| id = m_startedProfiles.last().m_id; |
| resolvedTitle = m_startedProfiles.last().m_title; |
| m_startedProfiles.removeLast(); |
| } else { |
| for (size_t i = 0; i < m_startedProfiles.size(); i++) { |
| if (m_startedProfiles[i].m_title == title) { |
| resolvedTitle = title; |
| id = m_startedProfiles[i].m_id; |
| m_startedProfiles.remove(i); |
| break; |
| } |
| } |
| if (id.isEmpty()) |
| return; |
| } |
| RefPtrWillBeRawPtr<ScriptProfile> profile = ScriptProfiler::stop(id); |
| if (!profile) |
| return; |
| RefPtr<TypeBuilder::Debugger::Location> location = currentDebugLocation(); |
| frontend()->consoleProfileFinished(id, location, createCPUProfile(*profile), resolvedTitle.isNull() ? 0 : &resolvedTitle); |
| } |
| |
| void InspectorProfilerAgent::enable(ErrorString*) |
| { |
| m_state->setBoolean(ProfilerAgentState::profilerEnabled, true); |
| doEnable(); |
| } |
| |
| void InspectorProfilerAgent::doEnable() |
| { |
| m_instrumentingAgents->setInspectorProfilerAgent(this); |
| } |
| |
| void InspectorProfilerAgent::disable(ErrorString*) |
| { |
| for (Vector<ProfileDescriptor>::reverse_iterator it = m_startedProfiles.rbegin(); it != m_startedProfiles.rend(); ++it) |
| ScriptProfiler::stop(it->m_id); |
| m_startedProfiles.clear(); |
| stop(0, 0); |
| m_instrumentingAgents->setInspectorProfilerAgent(nullptr); |
| m_state->setBoolean(ProfilerAgentState::profilerEnabled, false); |
| } |
| |
| bool InspectorProfilerAgent::enabled() |
| { |
| return m_state->getBoolean(ProfilerAgentState::profilerEnabled); |
| } |
| |
| void InspectorProfilerAgent::setSamplingInterval(ErrorString* error, int interval) |
| { |
| if (m_recordingCPUProfile) { |
| *error = "Cannot change sampling interval when profiling."; |
| return; |
| } |
| m_state->setLong(ProfilerAgentState::samplingInterval, interval); |
| ScriptProfiler::setSamplingInterval(interval); |
| } |
| |
| void InspectorProfilerAgent::restore() |
| { |
| if (m_state->getBoolean(ProfilerAgentState::profilerEnabled)) |
| doEnable(); |
| if (long interval = m_state->getLong(ProfilerAgentState::samplingInterval, 0)) |
| ScriptProfiler::setSamplingInterval(interval); |
| if (m_state->getBoolean(ProfilerAgentState::userInitiatedProfiling)) { |
| ErrorString error; |
| start(&error); |
| } |
| } |
| |
| void InspectorProfilerAgent::start(ErrorString* error) |
| { |
| if (m_recordingCPUProfile) |
| return; |
| if (!enabled()) { |
| *error = "Profiler is not enabled"; |
| return; |
| } |
| m_recordingCPUProfile = true; |
| if (m_overlay) |
| m_overlay->suspendUpdates(); |
| m_frontendInitiatedProfileId = nextProfileId(); |
| ScriptProfiler::start(m_frontendInitiatedProfileId); |
| m_state->setBoolean(ProfilerAgentState::userInitiatedProfiling, true); |
| } |
| |
| void InspectorProfilerAgent::stop(ErrorString* errorString, RefPtr<TypeBuilder::Profiler::CPUProfile>& profile) |
| { |
| stop(errorString, &profile); |
| } |
| |
| void InspectorProfilerAgent::stop(ErrorString* errorString, RefPtr<TypeBuilder::Profiler::CPUProfile>* profile) |
| { |
| if (!m_recordingCPUProfile) { |
| if (errorString) |
| *errorString = "No recording profiles found"; |
| return; |
| } |
| m_recordingCPUProfile = false; |
| if (m_overlay) |
| m_overlay->resumeUpdates(); |
| RefPtrWillBeRawPtr<ScriptProfile> scriptProfile = ScriptProfiler::stop(m_frontendInitiatedProfileId); |
| m_frontendInitiatedProfileId = String(); |
| if (scriptProfile && profile) |
| *profile = createCPUProfile(*scriptProfile); |
| else if (errorString) |
| *errorString = "Profile wasn't found"; |
| m_state->setBoolean(ProfilerAgentState::userInitiatedProfiling, false); |
| } |
| |
| String InspectorProfilerAgent::nextProfileId() |
| { |
| long nextId = m_state->getLong(ProfilerAgentState::nextProfileId, 1); |
| m_state->setLong(ProfilerAgentState::nextProfileId, nextId + 1); |
| return String::number(nextId); |
| } |
| |
| void InspectorProfilerAgent::idleFinished() |
| { |
| if (!m_profileNameIdleTimeMap || !m_profileNameIdleTimeMap->size()) |
| return; |
| ScriptProfiler::setIdle(false); |
| if (!m_idleStartTime) |
| return; |
| |
| double idleTime = WTF::monotonicallyIncreasingTime() - m_idleStartTime; |
| m_idleStartTime = 0.0; |
| for (auto& map : *m_profileNameIdleTimeMap) |
| map.value += idleTime; |
| } |
| |
| void InspectorProfilerAgent::idleStarted() |
| { |
| if (!m_profileNameIdleTimeMap || !m_profileNameIdleTimeMap->size()) |
| return; |
| m_idleStartTime = WTF::monotonicallyIncreasingTime(); |
| ScriptProfiler::setIdle(true); |
| } |
| |
| void InspectorProfilerAgent::willProcessTask() |
| { |
| idleFinished(); |
| } |
| |
| void InspectorProfilerAgent::didProcessTask() |
| { |
| idleStarted(); |
| } |
| |
| void InspectorProfilerAgent::willEnterNestedRunLoop() |
| { |
| idleStarted(); |
| } |
| |
| void InspectorProfilerAgent::didLeaveNestedRunLoop() |
| { |
| idleFinished(); |
| } |
| |
| DEFINE_TRACE(InspectorProfilerAgent) |
| { |
| visitor->trace(m_injectedScriptManager); |
| visitor->trace(m_overlay); |
| InspectorBaseAgent::trace(visitor); |
| } |
| |
| } // namespace blink |