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authorMichael Brasser <michael.brasser@nokia.com>2009-04-22 04:47:24 (GMT)
committerMichael Brasser <michael.brasser@nokia.com>2009-04-22 04:47:24 (GMT)
commit2366667fc97eb6a56203b2dd7dac776ff4164abd (patch)
treeb2acb6cc6bfe475d7e619e4788973b61fff775e0 /src/declarative/util/qperformancelog.cpp
parent2c762f3b8b284a7c6dc0c499b7052013bad5b707 (diff)
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Initial import of kinetic-dui branch from the old kinetic
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diff --git a/src/declarative/util/qperformancelog.cpp b/src/declarative/util/qperformancelog.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qperformancelog.h"
+#include <QHash>
+#include <QDebug>
+
+
+#ifdef Q_ENABLE_PERFORMANCE_LOG
+
+struct QPerformanceLogData
+{
+ struct Log
+ {
+ Log()
+ : logDescription(0), maxId(-1) {}
+
+ QHash<int, const char *> descriptions;
+ const char *logDescription;
+ int maxId;
+ };
+
+ typedef QHash<QPerformanceLog::LogData *, Log> Logs;
+ Logs logs;
+};
+Q_GLOBAL_STATIC(QPerformanceLogData, performanceLogData);
+
+QPerformanceLog::LogData::LogData(const char *desc)
+: sumTime(0), data(0)
+{
+ QPerformanceLogData *logData = performanceLogData();
+
+ QPerformanceLogData::Log log;
+ log.logDescription = desc;
+ logData->logs.insert(this, log);
+
+ timer.start();
+}
+
+QPerformanceLog::LogMetric::LogMetric(LogData *l, int id, const char *desc)
+{
+ if(id < 0)
+ qFatal("QPerformanceLog: Invalid log id %d ('%s')", id, desc);
+
+ QPerformanceLogData *logData = performanceLogData();
+
+ QPerformanceLogData::Logs::Iterator logIter = logData->logs.find(l);
+ if(logIter == logData->logs.end())
+ qFatal("QPerformanceLog: Unable to locate log for metric '%s'", desc);
+ QPerformanceLogData::Log &log = *logIter;
+ if(log.descriptions.contains(id))
+ qFatal("QPerformanceLog: Duplicate log metric %d ('%s')", id, desc);
+ log.descriptions.insert(id, desc);
+
+ if(log.maxId < id) {
+ log.maxId = id;
+ if(l->data) delete [] l->data;
+ l->data = new unsigned int[2 * (log.maxId + 1)];
+ ::memset(l->data, 0, 2 * (log.maxId + 1) * sizeof(unsigned int));
+ }
+}
+
+static void QPerformanceLog_clear(QPerformanceLog::LogData *l, const QPerformanceLogData::Log *pl)
+{
+ ::memset(l->data, 0, 2 * (pl->maxId + 1) * sizeof(unsigned int));
+}
+
+static void QPerformanceLog_displayData(const QPerformanceLog::LogData *l, const QPerformanceLogData::Log *pl)
+{
+ qWarning() << pl->logDescription << "performance data";
+ unsigned int total = 0;
+ for(QHash<int, const char *>::ConstIterator iter = pl->descriptions.begin();
+ iter != pl->descriptions.end();
+ ++iter) {
+
+ int id = iter.key();
+ unsigned int ms = l->data[id * 2];
+ total += ms;
+ unsigned int inst = l->data[id * 2 + 1];
+ float pi = float(ms) / float(inst);
+ qWarning().nospace() << " " << *iter << ": " << ms << " ms over "
+ << inst << " instances (" << pi << " ms/instance)";
+ }
+ qWarning().nospace() << " TOTAL: " << total;
+}
+
+void QPerformanceLog::displayData()
+{
+ QPerformanceLogData *logData = performanceLogData();
+
+ for(QPerformanceLogData::Logs::ConstIterator iter = logData->logs.begin();
+ iter != logData->logs.end();
+ ++iter) {
+ QPerformanceLog_displayData(iter.key(), &(*iter));
+ }
+}
+
+void QPerformanceLog::clear()
+{
+ QPerformanceLogData *logData = performanceLogData();
+
+ for(QPerformanceLogData::Logs::ConstIterator iter = logData->logs.begin();
+ iter != logData->logs.end();
+ ++iter) {
+ QPerformanceLog_clear(iter.key(), &(*iter));
+ }
+}
+
+void QPerformanceLog::displayData(LogData *l)
+{
+ QPerformanceLogData *logData = performanceLogData();
+ QPerformanceLogData::Logs::ConstIterator iter = logData->logs.find(l);
+ if(iter == logData->logs.end())
+ qFatal("QPerformanceLog: Internal corruption - unable to locate log");
+
+ QPerformanceLog_displayData(iter.key(), &(*iter));
+}
+
+void QPerformanceLog::clear(LogData *l)
+{
+ QPerformanceLogData *logData = performanceLogData();
+ QPerformanceLogData::Logs::ConstIterator iter = logData->logs.find(l);
+ if(iter == logData->logs.end())
+ qFatal("QPerformanceLog: Internal corruption - unable to locate log");
+
+ QPerformanceLog_clear(iter.key(), &(*iter));
+}
+
+#else // Q_ENABLE_PERFORMANCE_LOG
+
+void QPerformanceLog::displayData()
+{
+}
+
+void QPerformanceLog::clear()
+{
+}
+
+#endif // Q_ENABLE_PERFORMANCE_LOG