/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at 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
**
****************************************************************************/
#include "memoryusagemodel.h"
#include "qmldebug/qmlprofilereventtypes.h"
#include "qmlprofiler/qmlprofilermodelmanager.h"
#include "qmlprofiler/sortedtimelinemodel.h"
#include "qmlprofiler/abstracttimelinemodel_p.h"
#include
namespace QmlProfilerExtension {
namespace Internal {
using namespace QmlProfiler;
class MemoryUsageModel::MemoryUsageModelPrivate :
public SortedTimelineModel
{
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::rowMaxValue(int rowNumber) const
{
Q_D(const MemoryUsageModel);
Q_UNUSED(rowNumber);
return d->maxSize;
}
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);
}
const QVariantMap MemoryUsageModel::getEventLocation(int index) const
{
static const QLatin1String file("file");
static const QLatin1String line("line");
static const QLatin1String column("column");
Q_D(const MemoryUsageModel);
QVariantMap result;
int originType = d->range(index).originTypeIndex;
if (originType > -1) {
const QmlDebug::QmlEventLocation &location =
d->modelManager->qmlModel()->getEventTypes().at(originType).location;
result.insert(file, location.filename);
result.insert(line, location.line);
result.insert(column, location.column);
}
return result;
}
const QVariantList MemoryUsageModel::getLabels() const
{
Q_D(const MemoryUsageModel);
QVariantList result;
if (d->expanded && !isEmpty()) {
{
QVariantMap element;
element.insert(QLatin1String("description"), QVariant(tr("Memory Allocation")));
element.insert(QLatin1String("id"), QVariant(QmlDebug::HeapPage));
result << element;
}
{
QVariantMap element;
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->delta > 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;
}
if (ev->originTypeIndex != -1) {
QVariantMap valuePair;
valuePair.insert(tr("Location"),
d->modelManager->qmlModel()->getEventTypes().at(ev->originTypeIndex).displayName);
result << valuePair;
}
return result;
}
struct RangeStackFrame {
RangeStackFrame() : originTypeIndex(-1), startTime(-1), endTime(-1) {}
RangeStackFrame(int originTypeIndex, qint64 startTime, qint64 endTime) :
originTypeIndex(originTypeIndex), startTime(startTime), endTime(endTime) {}
int originTypeIndex;
qint64 startTime;
qint64 endTime;
};
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;
QStack rangeStack;
MemoryAllocation dummy = {
QmlDebug::MaximumMemoryType, -1, -1 , -1
};
const QVector &types = simpleModel->getEventTypes();
foreach (const QmlProfilerDataModel::QmlEventData &event, simpleModel->getEvents()) {
const QmlProfilerDataModel::QmlEventTypeData &type = types[event.typeIndex];
while (!rangeStack.empty() && rangeStack.top().endTime < event.startTime)
rangeStack.pop();
if (!eventAccepted(type)) {
if (type.rangeType != QmlDebug::MaximumRangeType) {
rangeStack.push(RangeStackFrame(event.typeIndex, event.startTime,
event.startTime + event.duration));
}
continue;
}
if (type.detailType == QmlDebug::SmallItem || type.detailType == QmlDebug::LargeItem) {
currentUsage += event.numericData1;
MemoryAllocation &last = currentUsageIndex > -1 ? d->data(currentUsageIndex) : dummy;
if (!rangeStack.empty() && last.originTypeIndex == rangeStack.top().originTypeIndex) {
last.size = currentUsage;
last.delta += event.numericData1;
} else {
MemoryAllocation allocation = {
QmlDebug::SmallItem,
currentUsage,
event.numericData1,
rangeStack.empty() ? -1 : rangeStack.top().originTypeIndex
};
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 &last = currentJSHeapIndex > -1 ? d->data(currentJSHeapIndex) : dummy;
if (!rangeStack.empty() && last.originTypeIndex == rangeStack.top().originTypeIndex) {
last.size = currentSize;
last.delta += event.numericData1;
} else {
MemoryAllocation allocation = {
(QmlDebug::MemoryType)type.detailType,
currentSize,
event.numericData1,
rangeStack.empty() ? -1 : rangeStack.top().originTypeIndex
};
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, traceEndTime() -
d->range(currentJSHeapIndex).start - 1);
if (currentUsageIndex != -1)
d->insertEnd(currentUsageIndex, traceEndTime() -
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