author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 16:40:13 +0300 | |
changeset 22 | 79de32ba3296 |
parent 3 | 41300fa6a67c |
child 30 | 5dc02b23752f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2008 Apple Inc. All Rights Reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "config.h" |
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#include "ProfileGenerator.h" |
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#include "CallFrame.h" |
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#include "CodeBlock.h" |
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#include "JSGlobalObject.h" |
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#include "JSStringRef.h" |
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#include "JSFunction.h" |
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#include "Interpreter.h" |
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#include "Profile.h" |
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41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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diff
changeset
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#include "Profiler.h" |
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#include "Tracing.h" |
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namespace JSC { |
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static const char* NonJSExecution = "(idle)"; |
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PassRefPtr<ProfileGenerator> ProfileGenerator::create(const UString& title, ExecState* originatingExec, unsigned uid) |
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{ |
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return adoptRef(new ProfileGenerator(title, originatingExec, uid)); |
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} |
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ProfileGenerator::ProfileGenerator(const UString& title, ExecState* originatingExec, unsigned uid) |
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: m_originatingGlobalExec(originatingExec ? originatingExec->lexicalGlobalObject()->globalExec() : 0) |
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, m_profileGroup(originatingExec ? originatingExec->lexicalGlobalObject()->profileGroup() : 0) |
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{ |
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m_profile = Profile::create(title, uid); |
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m_currentNode = m_head = m_profile->head(); |
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if (originatingExec) |
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addParentForConsoleStart(originatingExec); |
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} |
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void ProfileGenerator::addParentForConsoleStart(ExecState* exec) |
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{ |
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int lineNumber; |
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intptr_t sourceID; |
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UString sourceURL; |
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JSValue function; |
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exec->interpreter()->retrieveLastCaller(exec, lineNumber, sourceID, sourceURL, function); |
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m_currentNode = ProfileNode::create(Profiler::createCallIdentifier(&exec->globalData(), function ? function.toThisObject(exec) : 0, sourceURL, lineNumber), m_head.get(), m_head.get()); |
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m_head->insertNode(m_currentNode.get()); |
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} |
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const UString& ProfileGenerator::title() const |
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{ |
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return m_profile->title(); |
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} |
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void ProfileGenerator::willExecute(const CallIdentifier& callIdentifier) |
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{ |
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if (JAVASCRIPTCORE_PROFILE_WILL_EXECUTE_ENABLED()) { |
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CString name = callIdentifier.m_name.UTF8String(); |
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CString url = callIdentifier.m_url.UTF8String(); |
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JAVASCRIPTCORE_PROFILE_WILL_EXECUTE(m_profileGroup, const_cast<char*>(name.c_str()), const_cast<char*>(url.c_str()), callIdentifier.m_lineNumber); |
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} |
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if (!m_originatingGlobalExec) |
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return; |
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ASSERT_ARG(m_currentNode, m_currentNode); |
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m_currentNode = m_currentNode->willExecute(callIdentifier); |
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} |
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void ProfileGenerator::didExecute(const CallIdentifier& callIdentifier) |
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{ |
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if (JAVASCRIPTCORE_PROFILE_DID_EXECUTE_ENABLED()) { |
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CString name = callIdentifier.m_name.UTF8String(); |
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CString url = callIdentifier.m_url.UTF8String(); |
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JAVASCRIPTCORE_PROFILE_DID_EXECUTE(m_profileGroup, const_cast<char*>(name.c_str()), const_cast<char*>(url.c_str()), callIdentifier.m_lineNumber); |
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} |
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if (!m_originatingGlobalExec) |
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return; |
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ASSERT_ARG(m_currentNode, m_currentNode); |
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if (m_currentNode->callIdentifier() != callIdentifier) { |
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RefPtr<ProfileNode> returningNode = ProfileNode::create(callIdentifier, m_head.get(), m_currentNode.get()); |
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returningNode->setStartTime(m_currentNode->startTime()); |
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returningNode->didExecute(); |
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m_currentNode->insertNode(returningNode.release()); |
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return; |
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} |
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m_currentNode = m_currentNode->didExecute(); |
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} |
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void ProfileGenerator::stopProfiling() |
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{ |
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m_profile->forEach(&ProfileNode::stopProfiling); |
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removeProfileStart(); |
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removeProfileEnd(); |
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ASSERT_ARG(m_currentNode, m_currentNode); |
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// Set the current node to the parent, because we are in a call that |
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// will not get didExecute call. |
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m_currentNode = m_currentNode->parent(); |
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if (double headSelfTime = m_head->selfTime()) { |
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RefPtr<ProfileNode> idleNode = ProfileNode::create(CallIdentifier(NonJSExecution, 0, 0), m_head.get(), m_head.get()); |
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idleNode->setTotalTime(headSelfTime); |
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idleNode->setSelfTime(headSelfTime); |
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idleNode->setVisible(true); |
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m_head->setSelfTime(0.0); |
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m_head->addChild(idleNode.release()); |
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} |
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} |
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// The console.ProfileGenerator that started this ProfileGenerator will be the first child. |
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void ProfileGenerator::removeProfileStart() |
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{ |
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ProfileNode* currentNode = 0; |
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for (ProfileNode* next = m_head.get(); next; next = next->firstChild()) |
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currentNode = next; |
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if (currentNode->callIdentifier().m_name != "profile") |
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return; |
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// Attribute the time of the node aobut to be removed to the self time of its parent |
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currentNode->parent()->setSelfTime(currentNode->parent()->selfTime() + currentNode->totalTime()); |
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currentNode->parent()->removeChild(currentNode); |
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} |
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// The console.ProfileGeneratorEnd that stopped this ProfileGenerator will be the last child. |
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void ProfileGenerator::removeProfileEnd() |
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{ |
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ProfileNode* currentNode = 0; |
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for (ProfileNode* next = m_head.get(); next; next = next->lastChild()) |
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currentNode = next; |
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if (currentNode->callIdentifier().m_name != "profileEnd") |
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return; |
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// Attribute the time of the node aobut to be removed to the self time of its parent |
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currentNode->parent()->setSelfTime(currentNode->parent()->selfTime() + currentNode->totalTime()); |
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ASSERT(currentNode->callIdentifier() == (currentNode->parent()->children()[currentNode->parent()->children().size() - 1])->callIdentifier()); |
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currentNode->parent()->removeChild(currentNode); |
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} |
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} // namespace JSC |