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Diffstat (limited to 'src/declarative/debugger/qdeclarativeprofilerservice.cpp')
-rw-r--r-- | src/declarative/debugger/qdeclarativeprofilerservice.cpp | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/src/declarative/debugger/qdeclarativeprofilerservice.cpp b/src/declarative/debugger/qdeclarativeprofilerservice.cpp new file mode 100644 index 0000000000..c5b6b65031 --- /dev/null +++ b/src/declarative/debugger/qdeclarativeprofilerservice.cpp @@ -0,0 +1,343 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativeprofilerservice_p.h" + +#include <QtCore/qdatastream.h> +#include <QtCore/qurl.h> +#include <QtCore/qtimer.h> +#include <QtCore/qthread.h> +#include <QtCore/qcoreapplication.h> + +// this contains QUnifiedTimer +#include <private/qabstractanimation_p.h> + +QT_BEGIN_NAMESPACE + +Q_GLOBAL_STATIC(QDeclarativeProfilerService, profilerInstance) + +QDeclarativeBindingProfiler::QDeclarativeBindingProfiler(const QString &url, int line, int column) +{ + QDeclarativeProfilerService::startRange(QDeclarativeProfilerService::Binding); + QDeclarativeProfilerService::rangeLocation(QDeclarativeProfilerService::Binding, url, line, column); +} + +QDeclarativeBindingProfiler::~QDeclarativeBindingProfiler() +{ + QDeclarativeProfilerService::endRange(QDeclarativeProfilerService::Binding); +} + +void QDeclarativeBindingProfiler::addDetail(const QString &details) +{ + QDeclarativeProfilerService::rangeData(QDeclarativeProfilerService::Binding, details); +} + +// convert to a QByteArray that can be sent to the debug client +// use of QDataStream can skew results +// (see tst_qdeclarativedebugtrace::trace() benchmark) +QByteArray QDeclarativeProfilerData::toByteArray() const +{ + QByteArray data; + //### using QDataStream is relatively expensive + QDataStream ds(&data, QIODevice::WriteOnly); + ds << time << messageType << detailType; + if (messageType == (int)QDeclarativeProfilerService::RangeData) + ds << detailData; + if (messageType == (int)QDeclarativeProfilerService::RangeLocation) + ds << detailData << line << column; + if (messageType == (int)QDeclarativeProfilerService::Event && + detailType == (int)QDeclarativeProfilerService::AnimationFrame) + ds << framerate << animationcount; + return data; +} + +QDeclarativeProfilerService::QDeclarativeProfilerService() + : QDeclarativeDebugService(QLatin1String("CanvasFrameRate"), 1), + m_enabled(false), m_messageReceived(false) +{ + m_timer.start(); + + if (registerService() == Enabled) { + // wait for first message indicating whether to trace or not + while (!m_messageReceived) + waitForMessage(); + + QUnifiedTimer::instance()->registerProfilerCallback( &animationFrame ); + } +} + +QDeclarativeProfilerService::~QDeclarativeProfilerService() +{ +} + +void QDeclarativeProfilerService::initialize() +{ + // just make sure that the service is properly registered + profilerInstance(); +} + +bool QDeclarativeProfilerService::startProfiling() +{ + return profilerInstance()->startProfilingImpl(); +} + +bool QDeclarativeProfilerService::stopProfiling() +{ + return profilerInstance()->stopProfilingImpl(); +} + +void QDeclarativeProfilerService::addEvent(EventType t) +{ + profilerInstance()->addEventImpl(t); +} + +void QDeclarativeProfilerService::startRange(RangeType t) +{ + profilerInstance()->startRangeImpl(t); +} + +void QDeclarativeProfilerService::rangeData(RangeType t, const QString &data) +{ + profilerInstance()->rangeDataImpl(t, data); +} + +void QDeclarativeProfilerService::rangeData(RangeType t, const QUrl &data) +{ + profilerInstance()->rangeDataImpl(t, data); +} + +void QDeclarativeProfilerService::rangeLocation(RangeType t, const QString &fileName, int line, int column) +{ + profilerInstance()->rangeLocationImpl(t, fileName, line, column); +} + +void QDeclarativeProfilerService::rangeLocation(RangeType t, const QUrl &fileName, int line, int column) +{ + profilerInstance()->rangeLocationImpl(t, fileName, line, column); +} + +void QDeclarativeProfilerService::endRange(RangeType t) +{ + profilerInstance()->endRangeImpl(t); +} + +void QDeclarativeProfilerService::animationFrame(qint64 delta) +{ + profilerInstance()->animationFrameImpl(delta); +} + +void QDeclarativeProfilerService::sendProfilingData() +{ + profilerInstance()->sendMessages(); +} + +bool QDeclarativeProfilerService::startProfilingImpl() +{ + bool success = false; + if (!profilingEnabled()) { + setProfilingEnabled(true); + addEventImpl(StartTrace); + success = true; + } + return success; +} + +bool QDeclarativeProfilerService::stopProfilingImpl() +{ + bool success = false; + if (profilingEnabled()) { + addEventImpl(EndTrace); + setProfilingEnabled(false); + success = true; + } + return success; +} + +void QDeclarativeProfilerService::addEventImpl(EventType event) +{ + if (!QDeclarativeDebugService::isDebuggingEnabled() || !m_enabled) + return; + + QDeclarativeProfilerData ed = {m_timer.nsecsElapsed(), (int)Event, (int)event, QString(), -1, -1, 0, 0}; + processMessage(ed); +} + +void QDeclarativeProfilerService::startRangeImpl(RangeType range) +{ + if (!QDeclarativeDebugService::isDebuggingEnabled() || !m_enabled) + return; + + QDeclarativeProfilerData rd = {m_timer.nsecsElapsed(), (int)RangeStart, (int)range, QString(), -1, -1, 0, 0}; + processMessage(rd); +} + +void QDeclarativeProfilerService::rangeDataImpl(RangeType range, const QString &rData) +{ + if (!QDeclarativeDebugService::isDebuggingEnabled() || !m_enabled) + return; + + QDeclarativeProfilerData rd = {m_timer.nsecsElapsed(), (int)RangeData, (int)range, rData, -1, -1, 0, 0}; + processMessage(rd); +} + +void QDeclarativeProfilerService::rangeDataImpl(RangeType range, const QUrl &rData) +{ + if (!QDeclarativeDebugService::isDebuggingEnabled() || !m_enabled) + return; + + QDeclarativeProfilerData rd = {m_timer.nsecsElapsed(), (int)RangeData, (int)range, rData.toString(QUrl::FormattingOption(0x100)), -1, -1, 0, 0}; + processMessage(rd); +} + +void QDeclarativeProfilerService::rangeLocationImpl(RangeType range, const QString &fileName, int line, int column) +{ + if (!QDeclarativeDebugService::isDebuggingEnabled() || !m_enabled) + return; + + QDeclarativeProfilerData rd = {m_timer.nsecsElapsed(), (int)RangeLocation, (int)range, fileName, line, column, 0, 0}; + processMessage(rd); +} + +void QDeclarativeProfilerService::rangeLocationImpl(RangeType range, const QUrl &fileName, int line, int column) +{ + if (!QDeclarativeDebugService::isDebuggingEnabled() || !m_enabled) + return; + + QDeclarativeProfilerData rd = {m_timer.nsecsElapsed(), (int)RangeLocation, (int)range, fileName.toString(QUrl::FormattingOption(0x100)), line, column, 0, 0}; + processMessage(rd); +} + +void QDeclarativeProfilerService::endRangeImpl(RangeType range) +{ + if (!QDeclarativeDebugService::isDebuggingEnabled() || !m_enabled) + return; + + QDeclarativeProfilerData rd = {m_timer.nsecsElapsed(), (int)RangeEnd, (int)range, QString(), -1, -1, 0, 0}; + processMessage(rd); +} + +void QDeclarativeProfilerService::animationFrameImpl(qint64 delta) +{ + Q_ASSERT(QDeclarativeDebugService::isDebuggingEnabled()); + if (!m_enabled) + return; + + int animCount = QUnifiedTimer::instance()->runningAnimationCount(); + + if (animCount > 0 && delta > 0) { + // trim fps to integer + int fps = 1000 / delta; + QDeclarativeProfilerData ed = {m_timer.nsecsElapsed(), (int)Event, (int)AnimationFrame, QString(), -1, -1, fps, animCount}; + processMessage(ed); + } +} + +/* + Either send the message directly, or queue up + a list of messages to send later (via sendMessages) +*/ +void QDeclarativeProfilerService::processMessage(const QDeclarativeProfilerData &message) +{ + QMutexLocker locker(&m_mutex); + m_data.append(message); +} + +bool QDeclarativeProfilerService::profilingEnabled() +{ + return m_enabled; +} + +void QDeclarativeProfilerService::setProfilingEnabled(bool enable) +{ + m_enabled = enable; +} + +/* + Send the messages queued up by processMessage +*/ +void QDeclarativeProfilerService::sendMessages() +{ + QMutexLocker locker(&m_mutex); + QList<QByteArray> messages; + for (int i = 0; i < m_data.count(); ++i) + messages << m_data.at(i).toByteArray(); + m_data.clear(); + + //indicate completion + QByteArray data; + QDataStream ds(&data, QIODevice::WriteOnly); + ds << (qint64)-1 << (int)Complete; + messages << data; + + QDeclarativeDebugService::sendMessages(messages); +} + +void QDeclarativeProfilerService::stateAboutToBeChanged(QDeclarativeDebugService::State newState) +{ + if (state() == newState) + return; + + if (state() == Enabled + && m_enabled) { + stopProfilingImpl(); + sendMessages(); + } +} + +void QDeclarativeProfilerService::messageReceived(const QByteArray &message) +{ + QByteArray rwData = message; + QDataStream stream(&rwData, QIODevice::ReadOnly); + + bool enabled; + stream >> enabled; + + m_messageReceived = true; + + if (enabled) { + startProfilingImpl(); + } else { + if (stopProfilingImpl()) + sendMessages(); + } +} + +QT_END_NAMESPACE |