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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 <utils/qtcassert.h>
#include <QHash>
#include <QStack>
#include <QVector>
#include <QPointer>
#include <QAbstractTableModel>
namespace QmlProfiler {
class QmlProfilerModelManager;
class QmlProfilerStatisticsRelativesModel;
enum QmlProfilerStatisticsRelation {
QmlProfilerStatisticsCallees,
QmlProfilerStatisticsCallers
};
enum ItemRole {
SortRole = Qt::UserRole + 1, // Sort by data, not by displayed string
FilterRole, // Filter out non-range types
TypeIdRole,
FilenameRole,
LineRole,
ColumnRole
};
enum MainField {
MainLocation,
MainType,
MainTimeInPercent,
MainTotalTime,
MainSelfTimeInPercent,
MainSelfTime,
MainCallCount,
MainTimePerCall,
MainMedianTime,
MainMaxTime,
MainMinTime,
MainDetails,
MaxMainField
};
enum RelativeField {
RelativeLocation,
RelativeType,
RelativeTotalTime,
RelativeCallCount,
RelativeDetails,
MaxRelativeField
};
class QmlProfilerStatisticsModel : public QAbstractTableModel
{
Q_OBJECT
public:
struct QmlEventStats {
std::vector<qint64> durations;
qint64 total = 0;
qint64 self = 0;
qint64 recursive = 0;
qint64 minimum = 0;
qint64 maximum = 0;
qint64 median = 0;
qint64 calls = 0;
void finalize()
{
static const qint64 qint64Max = std::numeric_limits<qint64>::max();
size_t size = durations.size();
QTC_ASSERT(size <= qint64Max, size = qint64Max);
calls = static_cast<qint64>(size);
if (size == 0)
return;
std::sort(durations.begin(), durations.end());
const auto avg
= [](const qint64 a, const qint64 b) { return a / 2ll + b / 2ll + ((a & 1) + (b & 1)) / 2ll; };
const size_t half = size / 2;
median = (size & 1) == 0 ? avg(durations[half - 1], durations[half]) : durations[half];
minimum = durations.front();
maximum = durations.back();
durations.clear();
}
qint64 average() const
{
return calls == 0 ? 0 : total / calls;
}
qint64 totalNonRecursive() const
{
return total - recursive;
}
};
QmlProfilerStatisticsModel(QmlProfilerModelManager *modelManager);
~QmlProfilerStatisticsModel() override = default;
void restrictToFeatures(quint64 features);
bool isRestrictedToRange() const;
QStringList details(int typeIndex) const;
QString summary(const QVector<int> &typeIds) const;
void clear();
void setRelativesModel(QmlProfilerStatisticsRelativesModel *childModel,
QmlProfilerStatisticsRelation relation);
int rowCount(const QModelIndex &parent) const override;
int columnCount(const QModelIndex &parent) const override;
QVariant data(const QModelIndex &index, int role) const override;
QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
static const int s_mainEntryTypeId = std::numeric_limits<int>::max();
static const int s_invalidTypeId = -1;
private:
void loadEvent(const QmlEvent &event, const QmlEventType &type);
void finalize();
void typeDetailsChanged(int typeIndex);
void notesChanged(int typeIndex);
QVariant dataForMainEntry(const QModelIndex &index, int role) const;
double durationPercent(int typeId) const;
double durationSelfPercent(int typeId) const;
QVector<QmlEventStats> m_data;
QPointer<QmlProfilerStatisticsRelativesModel> m_calleesModel;
QPointer<QmlProfilerStatisticsRelativesModel> m_callersModel;
QPointer<QmlProfilerModelManager> m_modelManager;
QList<RangeType> m_acceptedTypes;
QHash<int, QString> m_notes;
QStack<QmlEvent> m_callStack;
QStack<QmlEvent> m_compileStack;
qint64 m_rootDuration = 0;
};
class QmlProfilerStatisticsRelativesModel : public QAbstractTableModel
{
Q_OBJECT
public:
struct QmlStatisticsRelativesData {
QmlStatisticsRelativesData(qint64 duration = 0, qint64 calls = 0,
int typeIndex = QmlProfilerStatisticsModel::s_invalidTypeId,
bool isRecursive = false)
: duration(duration), calls(calls), typeIndex(typeIndex), isRecursive(isRecursive) {}
qint64 duration;
qint64 calls;
int typeIndex;
bool isRecursive;
};
QmlProfilerStatisticsRelativesModel(QmlProfilerModelManager *modelManager,
QmlProfilerStatisticsModel *statisticsModel,
QmlProfilerStatisticsRelation relation);
void clear();
void loadEvent(RangeType type, const QmlEvent &event, bool isRecursive);
int rowCount(const QModelIndex &parent) const override;
int columnCount(const QModelIndex &parent) const override;
QVariant data(const QModelIndex &index, int role) const override;
QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
bool setData(const QModelIndex &index, const QVariant &value, int role) override;
private:
QVariant dataForMainEntry(qint64 totalDuration, int role, int column) const;
void typeDetailsChanged(int typeId);
QHash<int, QVector<QmlStatisticsRelativesData>> m_data;
QPointer<QmlProfilerModelManager> m_modelManager;
int m_relativeTypeIndex = QmlProfilerStatisticsModel::s_invalidTypeId;
struct Frame {
Frame(qint64 startTime = 0, int typeId = QmlProfilerStatisticsModel::s_invalidTypeId)
: startTime(startTime), typeId(typeId) {}
qint64 startTime;
int typeId;
};
QStack<Frame> m_callStack;
QStack<Frame> m_compileStack;
const QmlProfilerStatisticsRelation m_relation;
};
} // namespace QmlProfiler
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