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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com <http://qt.digia.com/>
**
** This file is part of the Qt Enterprise Qt Quick Profiler Add-on.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com <http://qt.digia.com/>
**
****************************************************************************/
#include "memoryusagemodel.h"
#include "qmldebug/qmlprofilereventtypes.h"
#include "qmlprofiler/qmlprofilermodelmanager.h"
#include "qmlprofiler/sortedtimelinemodel.h"
#include "qmlprofiler/abstracttimelinemodel_p.h"
#include <QDebug>
namespace QmlProfilerExtension {
namespace Internal {
using namespace QmlProfiler;
class MemoryUsageModel::MemoryUsageModelPrivate :
public SortedTimelineModel<MemoryAllocation,
AbstractTimelineModel::AbstractTimelineModelPrivate>
{
public:
static QString memoryTypeName(int type);
qint64 maxSize;
private:
Q_DECLARE_PUBLIC(MemoryUsageModel)
};
MemoryUsageModel::MemoryUsageModel(QObject *parent)
: AbstractTimelineModel(new MemoryUsageModelPrivate(),
QLatin1String("MemoryUsageTimelineModel"),
QLatin1String("Memory Usage"), QmlDebug::MemoryAllocation,
QmlDebug::MaximumRangeType, parent)
{
}
int MemoryUsageModel::rowCount() const
{
return isEmpty() ? 1 : 3;
}
int MemoryUsageModel::getEventRow(int index) const
{
Q_D(const MemoryUsageModel);
QmlDebug::MemoryType type = d->range(index).type;
if (type == QmlDebug::HeapPage || type == QmlDebug::LargeItem)
return 1;
else
return 2;
}
int MemoryUsageModel::getEventId(int index) const
{
Q_D(const MemoryUsageModel);
return d->range(index).type;
}
QColor MemoryUsageModel::getColor(int index) const
{
return getEventColor(index);
}
float MemoryUsageModel::getHeight(int index) const
{
Q_D(const MemoryUsageModel);
return qMin(1.0f, (float)d->range(index).size / (float)d->maxSize * 0.85f + 0.15f);
}
const QVariantList MemoryUsageModel::getLabels() const
{
Q_D(const MemoryUsageModel);
QVariantList result;
if (d->expanded && !isEmpty()) {
{
QVariantMap element;
element.insert(QLatin1String("displayName"), QVariant(tr("Memory Allocation")));
element.insert(QLatin1String("description"), QVariant(tr("Memory Allocation")));
element.insert(QLatin1String("id"), QVariant(QmlDebug::HeapPage));
result << element;
}
{
QVariantMap element;
element.insert(QLatin1String("displayName"), QVariant(tr("Memory Usage")));
element.insert(QLatin1String("description"), QVariant(tr("Memory Usage")));
element.insert(QLatin1String("id"), QVariant(QmlDebug::SmallItem));
result << element;
}
}
return result;
}
const QVariantList MemoryUsageModel::getEventDetails(int index) const
{
Q_D(const MemoryUsageModel);
QVariantList result;
const MemoryUsageModelPrivate::Range *ev = &d->range(index);
{
QVariantMap res;
if (ev->size > 0)
res.insert(QLatin1String("title"), QVariant(QLatin1String("Memory Allocated")));
else
res.insert(QLatin1String("title"), QVariant(QLatin1String("Memory Freed")));
result << res;
}
{
QVariantMap res;
res.insert(tr("Total"), QVariant(QString::fromLatin1("%1 bytes").arg(ev->size)));
result << res;
}
{
QVariantMap res;
res.insert(tr("Allocation"), QVariant(QString::fromLatin1("%1 bytes").arg(ev->delta)));
result << res;
}
{
QVariantMap res;
res.insert(tr("Type"), QVariant(MemoryUsageModelPrivate::memoryTypeName(ev->type)));
result << res;
}
return result;
}
void MemoryUsageModel::loadData()
{
Q_D(MemoryUsageModel);
clear();
QmlProfilerDataModel *simpleModel = d->modelManager->qmlModel();
if (simpleModel->isEmpty())
return;
qint64 currentSize = 0;
qint64 currentUsage = 0;
int currentUsageIndex = -1;
int currentJSHeapIndex = -1;
const QVector<QmlProfilerDataModel::QmlEventTypeData> &types = simpleModel->getEventTypes();
foreach (const QmlProfilerDataModel::QmlEventData &event, simpleModel->getEvents()) {
const QmlProfilerDataModel::QmlEventTypeData &type = types[event.typeIndex];
if (!eventAccepted(type))
continue;
if (type.detailType == QmlDebug::SmallItem || type.detailType == QmlDebug::LargeItem) {
currentUsage += event.numericData1;
MemoryAllocation allocation = {
QmlDebug::SmallItem,
currentUsage,
event.numericData1
};
if (currentUsageIndex != -1) {
d->insertEnd(currentUsageIndex,
event.startTime - d->range(currentUsageIndex).start - 1);
}
currentUsageIndex = d->insertStart(event.startTime, allocation);
}
if (type.detailType == QmlDebug::HeapPage || type.detailType == QmlDebug::LargeItem) {
currentSize += event.numericData1;
MemoryAllocation allocation = {
(QmlDebug::MemoryType)type.detailType,
currentSize,
event.numericData1
};
if (currentSize > d->maxSize)
d->maxSize = currentSize;
if (currentJSHeapIndex != -1)
d->insertEnd(currentJSHeapIndex,
event.startTime - d->range(currentJSHeapIndex).start - 1);
currentJSHeapIndex = d->insertStart(event.startTime, allocation);
}
d->modelManager->modelProxyCountUpdated(d->modelId, d->count(), simpleModel->getEvents().count());
}
if (currentJSHeapIndex != -1)
d->insertEnd(currentJSHeapIndex, simpleModel->lastTimeMark() -
d->range(currentJSHeapIndex).start - 1);
if (currentUsageIndex != -1)
d->insertEnd(currentUsageIndex, simpleModel->lastTimeMark() -
d->range(currentUsageIndex).start - 1);
d->computeNesting();
d->modelManager->modelProxyCountUpdated(d->modelId, 1, 1);
}
void MemoryUsageModel::clear()
{
Q_D(MemoryUsageModel);
d->SortedTimelineModel::clear();
d->expanded = false;
d->maxSize = 1;
d->modelManager->modelProxyCountUpdated(d->modelId, 0, 1);
}
QString MemoryUsageModel::MemoryUsageModelPrivate::memoryTypeName(int type)
{
switch (type) {
case QmlDebug::HeapPage: return tr("Heap Allocation");
case QmlDebug::LargeItem: return tr("Large Item Allocation");
case QmlDebug::SmallItem: return tr("Heap Usage");
case QmlDebug::MaximumMemoryType: return tr("Total");
default: return tr("Unknown");
}
}
} // namespace Internal
} // namespace QmlProfilerExtension
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