--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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 "qv8profilerservice_p.h"
+#include "qdeclarativedebugservice_p_p.h"
+#include "qdeclarativeengine_p.h"
+#include "private/qv8profiler_p.h"
+#include "qjsconverter_p.h"
+
+#include <QtCore/QHash>
+
+QT_BEGIN_NAMESPACE
+
+Q_GLOBAL_STATIC(QV8ProfilerService, v8ServiceInstance)
+
+class ByteArrayOutputStream : public v8::OutputStream
+{
+ QByteArray *_buffer;
+public:
+ ByteArrayOutputStream(QByteArray *buffer)
+ : v8::OutputStream(),
+ _buffer(buffer) {}
+ void EndOfStream() {}
+ WriteResult WriteAsciiChunk(char *data, int size)
+ {
+ QByteArray b(data, size);
+ _buffer->append(b);
+ return kContinue;
+ }
+};
+
+// convert to a QByteArray that can be sent to the debug client
+QByteArray QV8ProfilerData::toByteArray() const
+{
+ QByteArray data;
+ //### using QDataStream is relatively expensive
+ QDataStream ds(&data, QIODevice::WriteOnly);
+ ds << messageType << filename << functionname << lineNumber << totalTime << selfTime << treeLevel;
+
+ return data;
+}
+
+class QV8ProfilerServicePrivate : public QDeclarativeDebugServicePrivate
+{
+ Q_DECLARE_PUBLIC(QV8ProfilerService)
+
+public:
+ QV8ProfilerServicePrivate()
+ :initialized(false)
+ {
+ }
+
+ void takeSnapshot(v8::HeapSnapshot::Type);
+
+ void printProfileTree(const v8::CpuProfileNode *node, int level = 0);
+ void sendMessages();
+
+ QList<QV8ProfilerData> m_data;
+
+ bool initialized;
+ QList<QDeclarativeEngine *> engines;
+};
+
+QV8ProfilerService::QV8ProfilerService(QObject *parent)
+ : QDeclarativeDebugService(*(new QV8ProfilerServicePrivate()), QLatin1String("V8Profiler"), parent)
+{
+ Q_D(QV8ProfilerService);
+ if (status() == Enabled) {
+ // ,block mode, client attached
+ while (!d->initialized)
+ waitForMessage();
+ }
+}
+
+QV8ProfilerService::~QV8ProfilerService()
+{
+}
+
+QV8ProfilerService *QV8ProfilerService::instance()
+{
+ return v8ServiceInstance();
+}
+
+void QV8ProfilerService::addEngine(QDeclarativeEngine *engine)
+{
+ Q_D(QV8ProfilerService);
+ Q_ASSERT(engine);
+ Q_ASSERT(!d->engines.contains(engine));
+
+ d->engines.append(engine);
+}
+
+void QV8ProfilerService::removeEngine(QDeclarativeEngine *engine)
+{
+ Q_D(QV8ProfilerService);
+ Q_ASSERT(engine);
+ Q_ASSERT(d->engines.contains(engine));
+
+ d->engines.removeOne(engine);
+}
+
+void QV8ProfilerService::messageReceived(const QByteArray &message)
+{
+ Q_D(QV8ProfilerService);
+
+ QDataStream ds(message);
+ QByteArray command;
+ QByteArray option;
+ QByteArray title;
+ ds >> command >> option;
+
+ if (command == "V8PROFILER") {
+ ds >> title;
+ if (option == "start") {
+ d->initialized = true;
+ startProfiling(QString::fromUtf8(title));
+ } else if (option == "stop") {
+ stopProfiling(QString::fromUtf8(title));
+ // Send messages to client
+ d->sendMessages();
+ }
+ }
+
+ if (command == "V8SNAPSHOT") {
+ QByteArray snapshotType;
+ ds >> snapshotType;
+
+ if (snapshotType == "aggregated")
+ d->takeSnapshot(v8::HeapSnapshot::kAggregated);
+ else if (snapshotType == "full")
+ d->takeSnapshot(v8::HeapSnapshot::kFull);
+ } else if (command == "deletesnapshots") {
+ v8::HeapProfiler::DeleteAllSnapshots();
+ }
+
+ QDeclarativeDebugService::messageReceived(message);
+}
+
+void QV8ProfilerService::startProfiling(const QString &title)
+{
+ // Start Profiling
+ v8::HandleScope handle_scope;
+ v8::Handle<v8::String> v8title = v8::String::New(reinterpret_cast<const uint16_t*>(title.data()), title.size());
+ v8::CpuProfiler::StartProfiling(v8title);
+}
+
+void QV8ProfilerService::stopProfiling(const QString &title)
+{
+ Q_D(QV8ProfilerService);
+ // Stop profiling
+ v8::HandleScope handle_scope;
+ v8::Handle<v8::String> v8title = v8::String::New(reinterpret_cast<const uint16_t*>(title.data()), title.size());
+ const v8::CpuProfile *cpuProfile = v8::CpuProfiler::StopProfiling(v8title);
+ const v8::CpuProfileNode *rootNode = cpuProfile->GetTopDownRoot();
+
+ d->printProfileTree(rootNode);
+}
+
+void QV8ProfilerServicePrivate::printProfileTree(const v8::CpuProfileNode *node, int level)
+{
+ for (int index = 0 ; index < node->GetChildrenCount() ; index++) {
+ const v8::CpuProfileNode* childNode = node->GetChild(index);
+ if (QV8Engine::toStringStatic(childNode->GetScriptResourceName()).length() > 0) {
+
+ QV8ProfilerData rd = {(int)QV8ProfilerService::V8Entry, QV8Engine::toStringStatic(childNode->GetScriptResourceName()),
+ QV8Engine::toStringStatic(childNode->GetFunctionName()),
+ childNode->GetLineNumber(), childNode->GetTotalTime(), childNode->GetSelfTime(), level};
+ m_data.append(rd);
+
+ // different nodes might have common children: fix at client side
+ if (childNode->GetChildrenCount() > 0) {
+ printProfileTree(childNode, level+1);
+ }
+ }
+ }
+}
+
+void QV8ProfilerServicePrivate::takeSnapshot(v8::HeapSnapshot::Type snapshotType)
+{
+ Q_Q(QV8ProfilerService);
+
+ v8::HandleScope scope;
+ v8::Local<v8::String> title = v8::String::New("");
+
+ const v8::HeapSnapshot *snapshot = v8::HeapProfiler::TakeSnapshot(title, snapshotType);
+
+ QByteArray data;
+ QDataStream ds(&data, QIODevice::WriteOnly);
+ ds << (int)QV8ProfilerService::V8Snapshot;
+
+ ByteArrayOutputStream bos(&data);
+ snapshot->Serialize(&bos, v8::HeapSnapshot::kJSON);
+
+ q->sendMessage(data);
+}
+
+void QV8ProfilerServicePrivate::sendMessages()
+{
+ Q_Q(QV8ProfilerService);
+
+ for (int i = 0; i < m_data.count(); ++i)
+ q->sendMessage(m_data.at(i).toByteArray());
+ m_data.clear();
+
+ //indicate completion
+ QByteArray data;
+ QDataStream ds(&data, QIODevice::WriteOnly);
+ ds << (int)QV8ProfilerService::V8Complete;
+
+ q->sendMessage(data);
+}
+
+
+QT_END_NAMESPACE
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QV8PROFILERSERVICE_P_H
+#define QV8PROFILERSERVICE_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qdeclarativedebugservice_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+struct QV8ProfilerData
+{
+ int messageType;
+ QString filename;
+ QString functionname;
+ int lineNumber;
+ double totalTime;
+ double selfTime;
+ int treeLevel;
+
+ QByteArray toByteArray() const;
+};
+
+class QDeclarativeEngine;
+class QV8ProfilerServicePrivate;
+
+class QV8ProfilerService : public QDeclarativeDebugService
+{
+ Q_OBJECT
+public:
+ enum MessageType {
+ V8Entry,
+ V8Complete,
+ V8Snapshot,
+
+ V8MaximumMessage
+ };
+
+ QV8ProfilerService(QObject *parent = 0);
+ ~QV8ProfilerService();
+
+ static QV8ProfilerService *instance();
+
+ void addEngine(QDeclarativeEngine *);
+ void removeEngine(QDeclarativeEngine *);
+
+ void startProfiling(const QString &title);
+ void stopProfiling(const QString &title);
+
+protected:
+ void messageReceived(const QByteArray &);
+
+private:
+ Q_DISABLE_COPY(QV8ProfilerService)
+ Q_DECLARE_PRIVATE(QV8ProfilerService)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QV8PROFILERSERVICE_P_H
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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 <private/v8-profiler.h>
projects / konrad/qtdeclarative.git / commitdiff