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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "qmlprofilernotesmodel.h"
#include "qmlprofilereventtypes.h"
#include "qmleventlocation.h"
#include <QSet>
#include <QVector>
#include <QStack>
#include <QAbstractItemModel>
namespace QmlProfiler {
namespace Internal {
struct FlameGraphData {
FlameGraphData(FlameGraphData *parent = nullptr, int typeIndex = -1, qint64 duration = 0);
~FlameGraphData();
qint64 duration;
qint64 calls;
qint64 memory;
int allocations;
int typeIndex;
FlameGraphData *parent;
QVector<FlameGraphData *> children;
};
class FlameGraphModel : public QAbstractItemModel
{
Q_OBJECT
QML_NAMED_ELEMENT(QmlProfilerFlameGraphModel)
QML_UNCREATABLE("use the context property")
public:
enum Role {
TypeIdRole = Qt::UserRole + 1, // Sort by data, not by displayed string
TypeRole,
DurationRole,
CallCountRole,
DetailsRole,
FilenameRole,
LineRole,
ColumnRole,
NoteRole,
TimePerCallRole,
RangeTypeRole,
LocationRole,
AllocationsRole,
MemoryRole,
MaxRole
};
Q_ENUM(Role)
FlameGraphModel(QmlProfilerModelManager *modelManager, QObject *parent = nullptr);
QModelIndex index(int row, int column,
const QModelIndex &parent = QModelIndex()) const override;
QModelIndex parent(const QModelIndex &child) const override;
Q_INVOKABLE int rowCount(const QModelIndex &parent = QModelIndex()) const override;
Q_INVOKABLE int columnCount(const QModelIndex &parent = QModelIndex()) const override;
QVariant data(const QModelIndex &index, int role) const override;
QHash<int, QByteArray> roleNames() const override;
QmlProfilerModelManager *modelManager() const;
void loadEvent(const QmlEvent &event, const QmlEventType &type);
void finalize();
void onTypeDetailsFinished();
void restrictToFeatures(quint64 visibleFeatures);
void loadNotes(int typeId, bool emitSignal);
void clear();
signals:
void gotoSourceLocation(const QString &fileName, int lineNumber, int columnNumber);
private:
QVariant lookup(const FlameGraphData &data, int role) const;
FlameGraphData *pushChild(FlameGraphData *parent, const QmlEvent &data);
// used by binding loop detection
QStack<QmlEvent> m_callStack;
QStack<QmlEvent> m_compileStack;
FlameGraphData m_stackBottom;
FlameGraphData *m_callStackTop;
FlameGraphData *m_compileStackTop;
quint64 m_acceptedFeatures;
QmlProfilerModelManager *m_modelManager;
QSet<int> m_typeIdsWithNotes;
};
} // namespace Internal
} // namespace QmlProfiler
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