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Diffstat (limited to 'WebCore/inspector/InspectorProfilerAgent.cpp')
| -rw-r--r-- | WebCore/inspector/InspectorProfilerAgent.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/WebCore/inspector/InspectorProfilerAgent.cpp b/WebCore/inspector/InspectorProfilerAgent.cpp new file mode 100644 index 0000000..a73469a --- /dev/null +++ b/WebCore/inspector/InspectorProfilerAgent.cpp @@ -0,0 +1,210 @@ +/* + * 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 "InspectorProfilerAgent.h" + +#if ENABLE(JAVASCRIPT_DEBUGGER) + +#include "Console.h" +#include "InspectorController.h" +#include "InspectorFrontend.h" +#include "InspectorValues.h" +#include "KURL.h" +#include "Page.h" +#include "ScriptDebugServer.h" +#include "ScriptProfile.h" +#include "ScriptProfiler.h" +#include <wtf/OwnPtr.h> + +#if USE(JSC) +#include "JSDOMWindow.h" +#endif + +namespace WebCore { + +static const char* const UserInitiatedProfileName = "org.webkit.profiles.user-initiated"; +static const char* const CPUProfileType = "CPU"; + +PassOwnPtr<InspectorProfilerAgent> InspectorProfilerAgent::create(InspectorController* inspectorController) +{ + OwnPtr<InspectorProfilerAgent> agent = adoptPtr(new InspectorProfilerAgent(inspectorController)); + return agent.release(); +} + +InspectorProfilerAgent::InspectorProfilerAgent(InspectorController* inspectorController) + : m_inspectorController(inspectorController) + , m_frontend(0) + , m_enabled(ScriptProfiler::isProfilerAlwaysEnabled()) + , m_recordingUserInitiatedProfile(false) + , m_currentUserInitiatedProfileNumber(-1) + , m_nextUserInitiatedProfileNumber(1) +{ +} + +InspectorProfilerAgent::~InspectorProfilerAgent() +{ +} + +void InspectorProfilerAgent::addProfile(PassRefPtr<ScriptProfile> prpProfile, unsigned lineNumber, const String& sourceURL) +{ + RefPtr<ScriptProfile> profile = prpProfile; + m_profiles.add(profile->uid(), profile); + if (m_frontend) + m_frontend->addProfileHeader(createProfileHeader(*profile)); + addProfileFinishedMessageToConsole(profile, lineNumber, sourceURL); +} + +void InspectorProfilerAgent::addProfileFinishedMessageToConsole(PassRefPtr<ScriptProfile> prpProfile, unsigned lineNumber, const String& sourceURL) +{ + RefPtr<ScriptProfile> profile = prpProfile; + String title = profile->title(); + String message = String::format("Profile \"webkit-profile://%s/%s#%d\" finished.", CPUProfileType, encodeWithURLEscapeSequences(title).utf8().data(), profile->uid()); + m_inspectorController->addMessageToConsole(JSMessageSource, LogMessageType, LogMessageLevel, message, lineNumber, sourceURL); +} + +void InspectorProfilerAgent::addStartProfilingMessageToConsole(const String& title, unsigned lineNumber, const String& sourceURL) +{ + String message = String::format("Profile \"webkit-profile://%s/%s#0\" started.", CPUProfileType, encodeWithURLEscapeSequences(title).utf8().data()); + m_inspectorController->addMessageToConsole(JSMessageSource, LogMessageType, LogMessageLevel, message, lineNumber, sourceURL); +} + +PassRefPtr<InspectorObject> InspectorProfilerAgent::createProfileHeader(const ScriptProfile& profile) +{ + RefPtr<InspectorObject> header = InspectorObject::create(); + header->setString("title", profile.title()); + header->setNumber("uid", profile.uid()); + header->setString("typeId", String(CPUProfileType)); + return header; +} + +void InspectorProfilerAgent::disable() +{ + if (!m_enabled) + return; + m_enabled = false; + ScriptDebugServer::shared().recompileAllJSFunctionsSoon(); + if (m_frontend) + m_frontend->profilerWasDisabled(); +} + +void InspectorProfilerAgent::enable(bool skipRecompile) +{ + if (m_enabled) + return; + m_enabled = true; + if (!skipRecompile) + ScriptDebugServer::shared().recompileAllJSFunctionsSoon(); + if (m_frontend) + m_frontend->profilerWasEnabled(); +} + +String InspectorProfilerAgent::getCurrentUserInitiatedProfileName(bool incrementProfileNumber) +{ + if (incrementProfileNumber) + m_currentUserInitiatedProfileNumber = m_nextUserInitiatedProfileNumber++; + + return String::format("%s.%d", UserInitiatedProfileName, m_currentUserInitiatedProfileNumber); +} + +void InspectorProfilerAgent::getProfileHeaders(RefPtr<InspectorArray>* headers) +{ + ProfilesMap::iterator profilesEnd = m_profiles.end(); + for (ProfilesMap::iterator it = m_profiles.begin(); it != profilesEnd; ++it) + (*headers)->pushObject(createProfileHeader(*it->second)); +} + +void InspectorProfilerAgent::getProfile(unsigned uid, RefPtr<InspectorObject>* profileObject) +{ + ProfilesMap::iterator it = m_profiles.find(uid); + if (it != m_profiles.end()) { + *profileObject = createProfileHeader(*it->second); + (*profileObject)->setObject("head", it->second->buildInspectorObjectForHead()); + } +} + +void InspectorProfilerAgent::removeProfile(unsigned uid) +{ + if (m_profiles.contains(uid)) + m_profiles.remove(uid); +} + +void InspectorProfilerAgent::resetState() +{ + m_profiles.clear(); + m_currentUserInitiatedProfileNumber = 1; + m_nextUserInitiatedProfileNumber = 1; + if (m_frontend) + m_frontend->resetProfilesPanel(); +} + +void InspectorProfilerAgent::startUserInitiatedProfiling() +{ + if (!enabled()) { + enable(false); + ScriptDebugServer::shared().recompileAllJSFunctions(); + } + m_recordingUserInitiatedProfile = true; + String title = getCurrentUserInitiatedProfileName(true); +#if USE(JSC) + JSC::ExecState* scriptState = toJSDOMWindow(m_inspectorController->inspectedPage()->mainFrame(), debuggerWorld())->globalExec(); +#else + ScriptState* scriptState = 0; +#endif + ScriptProfiler::start(scriptState, title); + addStartProfilingMessageToConsole(title, 0, String()); + toggleRecordButton(true); +} + +void InspectorProfilerAgent::stopUserInitiatedProfiling() +{ + m_recordingUserInitiatedProfile = false; + String title = getCurrentUserInitiatedProfileName(); +#if USE(JSC) + JSC::ExecState* scriptState = toJSDOMWindow(m_inspectorController->inspectedPage()->mainFrame(), debuggerWorld())->globalExec(); +#else + // Use null script state to avoid filtering by context security token. + // All functions from all iframes should be visible from Inspector UI. + ScriptState* scriptState = 0; +#endif + RefPtr<ScriptProfile> profile = ScriptProfiler::stop(scriptState, title); + if (profile) + addProfile(profile, 0, String()); + toggleRecordButton(false); +} + +void InspectorProfilerAgent::toggleRecordButton(bool isProfiling) +{ + if (m_frontend) + m_frontend->setRecordingProfile(isProfiling); +} + +} // namespace WebCore + +#endif // ENABLE(JAVASCRIPT_DEBUGGER) |