/* | |
* Copyright (C) 2008 Apple 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. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR | |
* 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 "ProfileGenerator.h" | |
#include "CallFrame.h" | |
#include "CodeBlock.h" | |
#include "JSGlobalObject.h" | |
#include "JSStringRef.h" | |
#include "JSFunction.h" | |
#include "Interpreter.h" | |
#include "Profile.h" | |
#include "Profiler.h" | |
#include "Tracing.h" | |
namespace JSC { | |
static const char* NonJSExecution = "(idle)"; | |
PassRefPtr<ProfileGenerator> ProfileGenerator::create(const UString& title, ExecState* originatingExec, unsigned uid) | |
{ | |
return adoptRef(new ProfileGenerator(title, originatingExec, uid)); | |
} | |
ProfileGenerator::ProfileGenerator(const UString& title, ExecState* originatingExec, unsigned uid) | |
: m_originatingGlobalExec(originatingExec ? originatingExec->lexicalGlobalObject()->globalExec() : 0) | |
, m_profileGroup(originatingExec ? originatingExec->lexicalGlobalObject()->profileGroup() : 0) | |
{ | |
m_profile = Profile::create(title, uid); | |
m_currentNode = m_head = m_profile->head(); | |
if (originatingExec) | |
addParentForConsoleStart(originatingExec); | |
} | |
void ProfileGenerator::addParentForConsoleStart(ExecState* exec) | |
{ | |
int lineNumber; | |
intptr_t sourceID; | |
UString sourceURL; | |
JSValue function; | |
exec->interpreter()->retrieveLastCaller(exec, lineNumber, sourceID, sourceURL, function); | |
m_currentNode = ProfileNode::create(Profiler::createCallIdentifier(exec, function ? function.toThisObject(exec) : 0, sourceURL, lineNumber), m_head.get(), m_head.get()); | |
m_head->insertNode(m_currentNode.get()); | |
} | |
const UString& ProfileGenerator::title() const | |
{ | |
return m_profile->title(); | |
} | |
void ProfileGenerator::willExecute(const CallIdentifier& callIdentifier) | |
{ | |
if (JAVASCRIPTCORE_PROFILE_WILL_EXECUTE_ENABLED()) { | |
CString name = callIdentifier.m_name.UTF8String(); | |
CString url = callIdentifier.m_url.UTF8String(); | |
JAVASCRIPTCORE_PROFILE_WILL_EXECUTE(m_profileGroup, const_cast<char*>(name.c_str()), const_cast<char*>(url.c_str()), callIdentifier.m_lineNumber); | |
} | |
if (!m_originatingGlobalExec) | |
return; | |
ASSERT_ARG(m_currentNode, m_currentNode); | |
m_currentNode = m_currentNode->willExecute(callIdentifier); | |
} | |
void ProfileGenerator::didExecute(const CallIdentifier& callIdentifier) | |
{ | |
if (JAVASCRIPTCORE_PROFILE_DID_EXECUTE_ENABLED()) { | |
CString name = callIdentifier.m_name.UTF8String(); | |
CString url = callIdentifier.m_url.UTF8String(); | |
JAVASCRIPTCORE_PROFILE_DID_EXECUTE(m_profileGroup, const_cast<char*>(name.c_str()), const_cast<char*>(url.c_str()), callIdentifier.m_lineNumber); | |
} | |
if (!m_originatingGlobalExec) | |
return; | |
ASSERT_ARG(m_currentNode, m_currentNode); | |
if (m_currentNode->callIdentifier() != callIdentifier) { | |
RefPtr<ProfileNode> returningNode = ProfileNode::create(callIdentifier, m_head.get(), m_currentNode.get()); | |
returningNode->setStartTime(m_currentNode->startTime()); | |
returningNode->didExecute(); | |
m_currentNode->insertNode(returningNode.release()); | |
return; | |
} | |
m_currentNode = m_currentNode->didExecute(); | |
} | |
void ProfileGenerator::stopProfiling() | |
{ | |
m_profile->forEach(&ProfileNode::stopProfiling); | |
removeProfileStart(); | |
removeProfileEnd(); | |
ASSERT_ARG(m_currentNode, m_currentNode); | |
// Set the current node to the parent, because we are in a call that | |
// will not get didExecute call. | |
m_currentNode = m_currentNode->parent(); | |
if (double headSelfTime = m_head->selfTime()) { | |
RefPtr<ProfileNode> idleNode = ProfileNode::create(CallIdentifier(NonJSExecution, UString(), 0), m_head.get(), m_head.get()); | |
idleNode->setTotalTime(headSelfTime); | |
idleNode->setSelfTime(headSelfTime); | |
idleNode->setVisible(true); | |
m_head->setSelfTime(0.0); | |
m_head->addChild(idleNode.release()); | |
} | |
} | |
// The console.ProfileGenerator that started this ProfileGenerator will be the first child. | |
void ProfileGenerator::removeProfileStart() | |
{ | |
ProfileNode* currentNode = 0; | |
for (ProfileNode* next = m_head.get(); next; next = next->firstChild()) | |
currentNode = next; | |
if (currentNode->callIdentifier().m_name != "profile") | |
return; | |
// Attribute the time of the node aobut to be removed to the self time of its parent | |
currentNode->parent()->setSelfTime(currentNode->parent()->selfTime() + currentNode->totalTime()); | |
currentNode->parent()->removeChild(currentNode); | |
} | |
// The console.ProfileGeneratorEnd that stopped this ProfileGenerator will be the last child. | |
void ProfileGenerator::removeProfileEnd() | |
{ | |
ProfileNode* currentNode = 0; | |
for (ProfileNode* next = m_head.get(); next; next = next->lastChild()) | |
currentNode = next; | |
if (currentNode->callIdentifier().m_name != "profileEnd") | |
return; | |
// Attribute the time of the node aobut to be removed to the self time of its parent | |
currentNode->parent()->setSelfTime(currentNode->parent()->selfTime() + currentNode->totalTime()); | |
ASSERT(currentNode->callIdentifier() == (currentNode->parent()->children()[currentNode->parent()->children().size() - 1])->callIdentifier()); | |
currentNode->parent()->removeChild(currentNode); | |
} | |
} // namespace JSC |