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/*
* Copyright (C) 2008, 2014 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 "Profile.h"
#include "ProfileNode.h"
#include <wtf/CurrentTime.h>
#include <wtf/DataLog.h>
namespace JSC {
PassRefPtr<Profile> Profile::create(const String& title, unsigned uid)
{
return adoptRef(new Profile(title, uid));
}
Profile::Profile(const String& title, unsigned uid)
: m_title(title)
, m_uid(uid)
{
// FIXME: When multi-threading is supported this will be a vector and calls
// into the profiler will need to know which thread it is executing on.
m_rootNode = ProfileNode::create(nullptr, CallIdentifier(ASCIILiteral("Thread_1"), String(), 0, 0), nullptr);
m_rootNode->appendCall(ProfileNode::Call(currentTime()));
}
Profile::~Profile()
{
}
#ifndef NDEBUG
void Profile::debugPrint()
{
CalculateProfileSubtreeDataFunctor functor;
m_rootNode->forEachNodePostorder(functor);
ProfileNode::ProfileSubtreeData data = functor.returnValue();
dataLogF("Call graph:\n");
m_rootNode->debugPrintRecursively(0, data);
}
typedef WTF::KeyValuePair<FunctionCallHashCount::ValueType, unsigned> NameCountPair;
static inline bool functionNameCountPairComparator(const NameCountPair& a, const NameCountPair& b)
{
return a.value > b.value;
}
void Profile::debugPrintSampleStyle()
{
typedef Vector<NameCountPair> NameCountPairVector;
CalculateProfileSubtreeDataFunctor functor;
m_rootNode->forEachNodePostorder(functor);
ProfileNode::ProfileSubtreeData data = functor.returnValue();
FunctionCallHashCount countedFunctions;
dataLogF("Call graph:\n");
m_rootNode->debugPrintSampleStyleRecursively(0, countedFunctions, data);
dataLogF("\nTotal number in stack:\n");
NameCountPairVector sortedFunctions(countedFunctions.size());
copyToVector(countedFunctions, sortedFunctions);
std::sort(sortedFunctions.begin(), sortedFunctions.end(), functionNameCountPairComparator);
for (NameCountPairVector::iterator it = sortedFunctions.begin(); it != sortedFunctions.end(); ++it)
dataLogF(" %-12d%s\n", (*it).value, String((*it).key).utf8().data());
dataLogF("\nSort by top of stack, same collapsed (when >= 5):\n");
}
#endif
} // namespace JSC
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