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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "qv4profiling_p.h"
#include <private/qv4mm_p.h>
#include <private/qv4string_p.h>
QT_BEGIN_NAMESPACE
namespace QV4 {
namespace Profiling {
FunctionLocation FunctionCall::resolveLocation() const
{
return FunctionLocation(m_function->name()->toQString(),
m_function->executableCompilationUnit()->fileName(),
m_function->compiledFunction->location.line,
m_function->compiledFunction->location.column);
}
FunctionCallProperties FunctionCall::properties() const
{
FunctionCallProperties props = {
m_start,
m_end,
reinterpret_cast<quintptr>(m_function)
};
return props;
}
Profiler::Profiler(QV4::ExecutionEngine *engine) : featuresEnabled(0), m_engine(engine)
{
static const int metatypes[] = {
qRegisterMetaType<QVector<QV4::Profiling::FunctionCallProperties> >(),
qRegisterMetaType<QVector<QV4::Profiling::MemoryAllocationProperties> >(),
qRegisterMetaType<FunctionLocationHash>()
};
Q_UNUSED(metatypes);
m_timer.start();
}
void Profiler::stopProfiling()
{
featuresEnabled = 0;
reportData();
m_sentLocations.clear();
}
bool operator<(const FunctionCall &call1, const FunctionCall &call2)
{
return call1.m_start < call2.m_start ||
(call1.m_start == call2.m_start && (call1.m_end < call2.m_end ||
(call1.m_end == call2.m_end && call1.m_function < call2.m_function)));
}
void Profiler::reportData()
{
std::sort(m_data.begin(), m_data.end());
QVector<FunctionCallProperties> properties;
FunctionLocationHash locations;
properties.reserve(m_data.size());
for (const FunctionCall &call : qAsConst(m_data)) {
properties.append(call.properties());
Function *function = call.function();
SentMarker &marker = m_sentLocations[reinterpret_cast<quintptr>(function)];
if (!marker.isValid()) {
FunctionLocation &location = locations[properties.constLast().id];
if (!location.isValid())
location = call.resolveLocation();
marker.setFunction(function);
}
}
emit dataReady(locations, properties, m_memory_data);
m_data.clear();
m_memory_data.clear();
}
void Profiler::startProfiling(quint64 features)
{
if (featuresEnabled == 0) {
if (features & (1 << FeatureMemoryAllocation)) {
qint64 timestamp = m_timer.nsecsElapsed();
MemoryAllocationProperties heap = {timestamp,
(qint64)m_engine->memoryManager->getAllocatedMem() -
(qint64)m_engine->memoryManager->getLargeItemsMem(),
HeapPage};
m_memory_data.append(heap);
MemoryAllocationProperties small = {timestamp,
(qint64)m_engine->memoryManager->getUsedMem(),
SmallItem};
m_memory_data.append(small);
MemoryAllocationProperties large = {timestamp,
(qint64)m_engine->memoryManager->getLargeItemsMem(),
LargeItem};
m_memory_data.append(large);
}
featuresEnabled = features;
}
}
} // namespace Profiling
} // namespace QV4
QT_END_NAMESPACE
#include "moc_qv4profiling_p.cpp"
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