forked from qt-creator/qt-creator
47ce17b1ba
The model manager should only set its state to 'Done' if all models are actually done. When that is the case it can safely emit dataAvailable, too, freeing us of the need to apply a heuristic to the progress percentage. In order to have a unified interface to the completion of model processing an abstract base class for QML and V8 models is introduced. Task-number: QTCREATORBUG-11466 Change-Id: Id89c7ef5e24004baab7f37ee5486b69e7611aee0 Reviewed-by: Christian Stenger <christian.stenger@digia.com> Reviewed-by: Kai Koehne <kai.koehne@digia.com>
479 lines
16 KiB
C++
479 lines
16 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#include "qmlprofilereventsmodelproxy.h"
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#include "qmlprofilermodelmanager.h"
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#include "qmlprofilersimplemodel.h"
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#include <utils/qtcassert.h>
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#include <QVector>
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#include <QHash>
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#include <QUrl>
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#include <QString>
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#include <QStack>
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#include <QElapsedTimer>
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#include <QDebug>
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namespace QmlProfiler {
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namespace Internal {
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class QmlProfilerEventsModelProxy::QmlProfilerEventsModelProxyPrivate
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{
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public:
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QmlProfilerEventsModelProxyPrivate(QmlProfilerEventsModelProxy *qq) : q(qq) {}
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~QmlProfilerEventsModelProxyPrivate() {}
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QHash<QString, QmlProfilerEventsModelProxy::QmlEventStats> data;
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QmlProfilerModelManager *modelManager;
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QmlProfilerEventsModelProxy *q;
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int modelId;
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QVector<int> acceptedTypes;
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QSet<QString> eventsInBindingLoop;
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};
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QmlProfilerEventsModelProxy::QmlProfilerEventsModelProxy(QmlProfilerModelManager *modelManager, QObject *parent)
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: QObject(parent), d(new QmlProfilerEventsModelProxyPrivate(this))
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{
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d->modelManager = modelManager;
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connect(modelManager->simpleModel(), SIGNAL(changed()), this, SLOT(dataChanged()));
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d->modelId = modelManager->registerModelProxy();
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d->acceptedTypes << QmlDebug::Compiling << QmlDebug::Creating << QmlDebug::Binding << QmlDebug::HandlingSignal << QmlDebug::Javascript;
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}
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QmlProfilerEventsModelProxy::~QmlProfilerEventsModelProxy()
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{
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delete d;
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}
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const QList<QmlProfilerEventsModelProxy::QmlEventStats> QmlProfilerEventsModelProxy::getData() const
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{
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return d->data.values();
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}
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void QmlProfilerEventsModelProxy::clear()
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{
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d->modelManager->modelProxyCountUpdated(d->modelId, 0, 1);
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d->data.clear();
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d->eventsInBindingLoop.clear();
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}
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void QmlProfilerEventsModelProxy::limitToRange(qint64 rangeStart, qint64 rangeEnd)
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{
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loadData(rangeStart, rangeEnd);
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}
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void QmlProfilerEventsModelProxy::dataChanged()
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{
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if (d->modelManager->state() == QmlProfilerDataState::ProcessingData)
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loadData();
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else if (d->modelManager->state() == QmlProfilerDataState::ClearingData)
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clear();
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}
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QSet<QString> QmlProfilerEventsModelProxy::eventsInBindingLoop() const
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{
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return d->eventsInBindingLoop;
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}
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void QmlProfilerEventsModelProxy::loadData(qint64 rangeStart, qint64 rangeEnd)
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{
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clear();
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qint64 qmlTime = 0;
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qint64 lastEndTime = 0;
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QHash <QString, QVector<qint64> > durations;
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const bool checkRanges = (rangeStart != -1) && (rangeEnd != -1);
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const QVector<QmlProfilerSimpleModel::QmlEventData> eventList
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= d->modelManager->simpleModel()->getEvents();
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// used by binding loop detection
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typedef QPair<QString, const QmlProfilerSimpleModel::QmlEventData*> CallStackEntry;
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QStack<CallStackEntry> callStack;
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callStack.push(CallStackEntry(QString(), 0)); // artificial root
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for (int i = 0; i < eventList.size(); ++i) {
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const QmlProfilerSimpleModel::QmlEventData *event = &eventList[i];
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if (!d->acceptedTypes.contains(event->eventType))
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continue;
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if (checkRanges) {
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if ((event->startTime + event->duration < rangeStart)
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|| (event->startTime > rangeEnd))
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continue;
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}
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// put event in hash
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QString hash = QmlProfilerSimpleModel::getHashString(*event);
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if (!d->data.contains(hash)) {
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QmlEventStats stats = {
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event->displayName,
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hash,
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event->data.join(QLatin1String(" ")),
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event->location,
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event->eventType,
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event->bindingType,
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event->duration,
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1, //calls
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event->duration, //minTime
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event->duration, // maxTime
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0, //timePerCall
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0, //percentOfTime
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0, //medianTime
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false //isBindingLoop
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};
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d->data.insert(hash, stats);
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// for median computing
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durations.insert(hash, QVector<qint64>());
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durations[hash].append(event->duration);
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} else {
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// update stats
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QmlEventStats *stats = &d->data[hash];
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stats->duration += event->duration;
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if (event->duration < stats->minTime)
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stats->minTime = event->duration;
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if (event->duration > stats->maxTime)
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stats->maxTime = event->duration;
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stats->calls++;
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// for median computing
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durations[hash].append(event->duration);
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}
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// qml time computation
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if (event->startTime > lastEndTime) { // assume parent event if starts before last end
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qmlTime += event->duration;
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lastEndTime = event->startTime + event->duration;
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}
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//
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// binding loop detection
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//
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const QmlProfilerSimpleModel::QmlEventData *potentialParent = callStack.top().second;
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while (potentialParent
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&& !(potentialParent->startTime + potentialParent->duration > event->startTime)) {
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callStack.pop();
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potentialParent = callStack.top().second;
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}
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// check whether event is already in stack
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bool inLoop = false;
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for (int ii = 1; ii < callStack.size(); ++ii) {
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if (callStack.at(ii).first == hash)
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inLoop = true;
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if (inLoop)
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d->eventsInBindingLoop.insert(hash);
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}
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CallStackEntry newEntry(hash, event);
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callStack.push(newEntry);
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d->modelManager->modelProxyCountUpdated(d->modelId, i, eventList.count()*2);
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}
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// post-process: calc mean time, median time, percentoftime
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foreach (const QString &hash, d->data.keys()) {
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QmlEventStats* stats = &d->data[hash];
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if (stats->calls > 0)
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stats->timePerCall = stats->duration / (double)stats->calls;
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QVector<qint64> eventDurations = durations.value(hash);
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if (!eventDurations.isEmpty()) {
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qSort(eventDurations);
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stats->medianTime = eventDurations.at(eventDurations.count()/2);
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}
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stats->percentOfTime = stats->duration * 100.0 / qmlTime;
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}
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// set binding loop flag
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foreach (const QString &eventHash, d->eventsInBindingLoop)
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d->data[eventHash].isBindingLoop = true;
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QString rootEventName = tr("<program>");
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QmlDebug::QmlEventLocation rootEventLocation(rootEventName, 1, 1);
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// insert root event
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QmlEventStats rootEvent = {
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rootEventName, //event.displayName,
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rootEventName, // hash
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tr("Main Program"), //event.details,
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rootEventLocation, // location
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(int)QmlDebug::Binding, // event type
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0, // binding type
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qmlTime + 1,
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1, //calls
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qmlTime + 1, //minTime
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qmlTime + 1, // maxTime
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qmlTime + 1, //timePerCall
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100.0, //percentOfTime
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qmlTime + 1, //medianTime;
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false
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};
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d->data.insert(rootEventName, rootEvent);
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d->modelManager->modelProxyCountUpdated(d->modelId, 1, 1);
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emit dataAvailable();
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}
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int QmlProfilerEventsModelProxy::count() const
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{
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return d->data.count();
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}
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//////////////////////////////////////////////////////////////////////////////////
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QmlProfilerEventRelativesModelProxy::QmlProfilerEventRelativesModelProxy(QmlProfilerModelManager *modelManager,
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QmlProfilerEventsModelProxy *eventsModel,
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QObject *parent)
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: QObject(parent)
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{
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QTC_CHECK(modelManager);
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m_modelManager = modelManager;
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connect(modelManager->simpleModel(), SIGNAL(changed()), this, SLOT(dataChanged()));
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QTC_CHECK(eventsModel);
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m_eventsModel = eventsModel;
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m_acceptedTypes << QmlDebug::Compiling << QmlDebug::Creating << QmlDebug::Binding << QmlDebug::HandlingSignal << QmlDebug::Javascript;
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}
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QmlProfilerEventRelativesModelProxy::~QmlProfilerEventRelativesModelProxy()
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{
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}
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const QmlProfilerEventRelativesModelProxy::QmlEventRelativesMap QmlProfilerEventRelativesModelProxy::getData(const QString &hash) const
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{
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if (m_data.contains(hash))
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return m_data[hash];
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return QmlEventRelativesMap();
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}
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int QmlProfilerEventRelativesModelProxy::count() const
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{
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return m_data.count();
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}
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void QmlProfilerEventRelativesModelProxy::clear()
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{
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m_data.clear();
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}
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void QmlProfilerEventRelativesModelProxy::dataChanged()
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{
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loadData();
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emit dataAvailable();
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}
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//////////////////////////////////////////////////////////////////////////////////
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QmlProfilerEventParentsModelProxy::QmlProfilerEventParentsModelProxy(QmlProfilerModelManager *modelManager,
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QmlProfilerEventsModelProxy *eventsModel,
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QObject *parent)
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: QmlProfilerEventRelativesModelProxy(modelManager, eventsModel, parent)
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{}
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QmlProfilerEventParentsModelProxy::~QmlProfilerEventParentsModelProxy()
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{}
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void QmlProfilerEventParentsModelProxy::loadData()
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{
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clear();
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QmlProfilerSimpleModel *simpleModel = m_modelManager->simpleModel();
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if (simpleModel->isEmpty())
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return;
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QHash<QString, QmlProfilerSimpleModel::QmlEventData> cachedEvents;
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QString rootEventName = tr("<program>");
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QmlProfilerSimpleModel::QmlEventData rootEvent = {
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rootEventName,
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QmlDebug::Binding,
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0,
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0,
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0,
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QStringList() << tr("Main Program"),
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QmlDebug::QmlEventLocation(rootEventName, 0, 0),
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0,0,0,0,0 // numericData fields
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};
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cachedEvents.insert(rootEventName, rootEvent);
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// for level computation
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QHash<int, qint64> endtimesPerLevel;
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int level = QmlDebug::Constants::QML_MIN_LEVEL;
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endtimesPerLevel[0] = 0;
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const QSet<QString> eventsInBindingLoop = m_eventsModel->eventsInBindingLoop();
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// compute parent-child relationship and call count
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QHash<int, QString> lastParent;
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//for (int index = fromIndex; index <= toIndex; index++) {
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const QVector<QmlProfilerSimpleModel::QmlEventData> eventList = simpleModel->getEvents();
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foreach (const QmlProfilerSimpleModel::QmlEventData &event, eventList) {
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// whitelist
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if (!m_acceptedTypes.contains(event.eventType))
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continue;
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// level computation
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if (endtimesPerLevel[level] > event.startTime) {
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level++;
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} else {
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while (level > QmlDebug::Constants::QML_MIN_LEVEL && endtimesPerLevel[level-1] <= event.startTime)
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level--;
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}
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endtimesPerLevel[level] = event.startTime + event.duration;
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QString parentHash = rootEventName;
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QString eventHash = QmlProfilerSimpleModel::getHashString(event);
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// save in cache
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if (!cachedEvents.contains(eventHash))
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cachedEvents.insert(eventHash, event);
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if (level > QmlDebug::Constants::QML_MIN_LEVEL && lastParent.contains(level-1))
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parentHash = lastParent[level-1];
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QmlProfilerSimpleModel::QmlEventData *parentEvent = &(cachedEvents[parentHash]);
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// generate placeholder if needed
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if (!m_data.contains(eventHash))
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m_data.insert(eventHash, QmlEventRelativesMap());
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if (m_data[eventHash].contains(parentHash)) {
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QmlEventRelativesData *parent = &(m_data[eventHash][parentHash]);
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parent->calls++;
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parent->duration += event.duration;
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} else {
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m_data[eventHash].insert(parentHash, QmlEventRelativesData());
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QmlEventRelativesData *parent = &(m_data[eventHash][parentHash]);
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parent->displayName = parentEvent->displayName;
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parent->eventType = parentEvent->eventType;
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parent->duration = event.duration;
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parent->calls = 1;
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parent->details = parentEvent->data.join(QLatin1String(""));
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parent->isBindingLoop = eventsInBindingLoop.contains(parentHash);
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}
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// now lastparent is a string with the hash
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lastParent[level] = eventHash;
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}
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}
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//////////////////////////////////////////////////////////////////////////////////
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QmlProfilerEventChildrenModelProxy::QmlProfilerEventChildrenModelProxy(QmlProfilerModelManager *modelManager,
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QmlProfilerEventsModelProxy *eventsModel,
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QObject *parent)
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: QmlProfilerEventRelativesModelProxy(modelManager, eventsModel, parent)
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{}
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QmlProfilerEventChildrenModelProxy::~QmlProfilerEventChildrenModelProxy()
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{}
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void QmlProfilerEventChildrenModelProxy::loadData()
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{
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clear();
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QmlProfilerSimpleModel *simpleModel = m_modelManager->simpleModel();
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if (simpleModel->isEmpty())
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return;
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QString rootEventName = tr("<program>");
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// for level computation
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QHash<int, qint64> endtimesPerLevel;
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int level = QmlDebug::Constants::QML_MIN_LEVEL;
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endtimesPerLevel[0] = 0;
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const QSet<QString> eventsInBindingLoop = m_eventsModel->eventsInBindingLoop();
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// compute parent-child relationship and call count
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QHash<int, QString> lastParent;
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const QVector<QmlProfilerSimpleModel::QmlEventData> eventList = simpleModel->getEvents();
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foreach (const QmlProfilerSimpleModel::QmlEventData &event, eventList) {
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// whitelist
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if (!m_acceptedTypes.contains(event.eventType))
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continue;
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// level computation
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if (endtimesPerLevel[level] > event.startTime) {
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level++;
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} else {
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while (level > QmlDebug::Constants::QML_MIN_LEVEL && endtimesPerLevel[level-1] <= event.startTime)
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level--;
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}
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endtimesPerLevel[level] = event.startTime + event.duration;
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QString parentHash = rootEventName;
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QString eventHash = QmlProfilerSimpleModel::getHashString(event);
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if (level > QmlDebug::Constants::QML_MIN_LEVEL && lastParent.contains(level-1))
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parentHash = lastParent[level-1];
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// generate placeholder if needed
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if (!m_data.contains(parentHash))
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m_data.insert(parentHash, QmlEventRelativesMap());
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if (m_data[parentHash].contains(eventHash)) {
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QmlEventRelativesData *child = &(m_data[parentHash][eventHash]);
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child->calls++;
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child->duration += event.duration;
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} else {
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m_data[parentHash].insert(eventHash, QmlEventRelativesData());
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QmlEventRelativesData *child = &(m_data[parentHash][eventHash]);
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child->displayName = event.displayName;
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child->eventType = event.eventType;
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child->duration = event.duration;
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child->calls = 1;
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child->details = event.data.join(QLatin1String(""));
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child->isBindingLoop = eventsInBindingLoop.contains(parentHash);
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}
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// now lastparent is a string with the hash
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lastParent[level] = eventHash;
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}
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}
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}
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}
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