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/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qperformancelog_p_p.h"
#include <QHash>
#include <QDebug>
QT_BEGIN_NAMESPACE
#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
QT_END_NAMESPACE
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