[556] | 1 | /****************************************************************************
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| 2 | **
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[846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[556] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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| 6 | **
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| 7 | ** This file is part of the tools applications of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at qt-info@nokia.com.
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include <QtGui>
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| 43 | #include <QtDebug>
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| 44 |
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| 45 | #include <private/qpaintengineex_p.h>
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| 46 | #include <private/qpaintbuffer_p.h>
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| 47 |
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| 48 | class ReplayWidget : public QWidget
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| 49 | {
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| 50 | Q_OBJECT
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| 51 | public:
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[846] | 52 | ReplayWidget(const QString &filename, int from, int to, bool single, int frame);
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[556] | 53 |
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| 54 | void paintEvent(QPaintEvent *event);
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[651] | 55 | void resizeEvent(QResizeEvent *event);
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[556] | 56 |
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| 57 | public slots:
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| 58 | void updateRect();
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| 59 |
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| 60 | public:
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| 61 | QList<QRegion> updates;
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| 62 | QPaintBuffer buffer;
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| 63 |
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| 64 | int currentFrame;
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| 65 | int currentIteration;
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| 66 | QTime timer;
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| 67 |
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[651] | 68 | QList<uint> visibleUpdates;
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[846] | 69 |
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| 70 | QVector<uint> iterationTimes;
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[556] | 71 | QString filename;
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[846] | 72 |
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| 73 | int from;
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| 74 | int to;
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| 75 |
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| 76 | bool single;
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| 77 |
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| 78 | int frame;
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| 79 | int currentCommand;
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[556] | 80 | };
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| 81 |
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| 82 | void ReplayWidget::updateRect()
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| 83 | {
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[846] | 84 | if (frame >= 0 && !updates.isEmpty())
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| 85 | update(updates.at(frame));
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| 86 | else if (!visibleUpdates.isEmpty())
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[651] | 87 | update(updates.at(visibleUpdates.at(currentFrame)));
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[556] | 88 | }
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| 89 |
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[846] | 90 | const int singleFrameRepeatsPerCommand = 100;
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| 91 | const int singleFrameIterations = 4;
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| 92 |
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[556] | 93 | void ReplayWidget::paintEvent(QPaintEvent *)
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| 94 | {
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| 95 | QPainter p(this);
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| 96 |
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[846] | 97 | QTimer::singleShot(0, this, SLOT(updateRect()));
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| 98 |
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[556] | 99 | // p.setClipRegion(frames.at(currentFrame).updateRegion);
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| 100 |
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[846] | 101 | if (frame >= 0) {
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| 102 | int start = buffer.frameStartIndex(frame);
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| 103 | int end = buffer.frameEndIndex(frame);
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| 104 |
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| 105 | iterationTimes.resize(end - start);
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| 106 |
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| 107 | int saveRestoreStackDepth = buffer.processCommands(&p, start, start + currentCommand);
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| 108 |
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| 109 | for (int i = 0; i < saveRestoreStackDepth; ++i)
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| 110 | p.restore();
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| 111 |
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| 112 | const int repeats = currentIteration >= 3 ? singleFrameRepeatsPerCommand : 1;
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| 113 |
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| 114 | ++currentFrame;
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| 115 | if (currentFrame == repeats) {
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| 116 | currentFrame = 0;
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| 117 | if (currentIteration >= 3) {
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| 118 | iterationTimes[currentCommand - 1] = qMin(iterationTimes[currentCommand - 1], uint(timer.elapsed()));
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| 119 | timer.restart();
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| 120 | }
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| 121 |
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| 122 | if (currentIteration >= singleFrameIterations + 3) {
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| 123 | printf(" # | ms | description\n");
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| 124 | printf("------+---------+------------------------------------------------------------\n");
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| 125 |
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| 126 | qSort(iterationTimes);
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| 127 |
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| 128 | int sum = 0;
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| 129 | for (int i = 0; i < iterationTimes.size(); ++i) {
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| 130 | int delta = iterationTimes.at(i);
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| 131 | if (i > 0)
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| 132 | delta -= iterationTimes.at(i-1);
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| 133 | sum += delta;
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| 134 | qreal deltaF = delta / qreal(repeats);
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| 135 | printf("%.5d | %.5f | %s\n", i, deltaF, qPrintable(buffer.commandDescription(start + i)));
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| 136 | }
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| 137 | printf("Total | %.5f | Total frame time\n", sum / qreal(repeats));
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| 138 | deleteLater();
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| 139 | return;
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| 140 | }
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| 141 |
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| 142 | if (start + currentCommand >= end) {
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| 143 | currentCommand = 1;
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| 144 | ++currentIteration;
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| 145 | if (currentIteration == 3) {
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| 146 | timer.start();
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| 147 | iterationTimes.fill(uint(-1));
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| 148 | }
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| 149 | if (currentIteration >= 3 && currentIteration < singleFrameIterations + 3)
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| 150 | printf("Profiling iteration %d of %d\n", currentIteration - 2, singleFrameIterations);
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| 151 | } else {
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| 152 | ++currentCommand;
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| 153 | }
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| 154 | }
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| 155 |
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| 156 | return;
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| 157 | }
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| 158 |
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[651] | 159 | buffer.draw(&p, visibleUpdates.at(currentFrame));
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[556] | 160 |
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| 161 | ++currentFrame;
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[651] | 162 | if (currentFrame >= visibleUpdates.size()) {
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[556] | 163 | currentFrame = 0;
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| 164 | ++currentIteration;
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| 165 |
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[846] | 166 | if (single) {
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| 167 | deleteLater();
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| 168 | return;
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| 169 | }
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| 170 |
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[556] | 171 | if (currentIteration == 3)
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| 172 | timer.start();
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| 173 | else if (currentIteration > 3) {
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| 174 | iterationTimes << timer.elapsed();
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| 175 | timer.restart();
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| 176 |
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| 177 | if (iterationTimes.size() >= 3) {
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| 178 | qreal mean = 0;
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| 179 | qreal stddev = 0;
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| 180 | uint min = INT_MAX;
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| 181 |
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| 182 | for (int i = 0; i < iterationTimes.size(); ++i) {
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| 183 | mean += iterationTimes.at(i);
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| 184 | min = qMin(min, iterationTimes.at(i));
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| 185 | }
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| 186 |
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| 187 | mean /= qreal(iterationTimes.size());
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| 188 |
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| 189 | for (int i = 0; i < iterationTimes.size(); ++i) {
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| 190 | qreal delta = iterationTimes.at(i) - mean;
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| 191 | stddev += delta * delta;
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| 192 | }
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| 193 |
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| 194 | stddev = qSqrt(stddev / iterationTimes.size());
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| 195 |
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| 196 | qSort(iterationTimes.begin(), iterationTimes.end());
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| 197 | uint median = iterationTimes.at(iterationTimes.size() / 2);
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| 198 |
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| 199 | stddev = 100 * stddev / mean;
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| 200 |
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| 201 | if (iterationTimes.size() >= 10 || stddev < 4) {
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| 202 | printf("%s, iterations: %d, frames: %d, min(ms): %d, median(ms): %d, stddev: %f %%, max(fps): %f\n", qPrintable(filename),
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[651] | 203 | iterationTimes.size(), visibleUpdates.size(), min, median, stddev, 1000. * visibleUpdates.size() / min);
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[556] | 204 | deleteLater();
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| 205 | return;
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| 206 | }
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| 207 | }
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| 208 | }
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| 209 | }
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| 210 | }
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| 211 |
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[846] | 212 | void ReplayWidget::resizeEvent(QResizeEvent *)
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[651] | 213 | {
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| 214 | visibleUpdates.clear();
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| 215 |
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| 216 | QRect bounds = rect();
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[846] | 217 |
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| 218 | int first = qMax(0, from);
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| 219 | int last = qMin(unsigned(to), unsigned(updates.size()));
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| 220 | for (int i = first; i < last; ++i) {
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[651] | 221 | if (updates.at(i).intersects(bounds))
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| 222 | visibleUpdates << i;
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| 223 | }
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| 224 |
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[846] | 225 | int range = last - first;
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[651] | 226 |
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[846] | 227 | if (visibleUpdates.size() != range)
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| 228 | printf("Warning: skipped %d frames due to limited resolution\n", range - visibleUpdates.size());
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| 229 |
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[651] | 230 | }
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| 231 |
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[846] | 232 | ReplayWidget::ReplayWidget(const QString &filename_, int from_, int to_, bool single_, int frame_)
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[556] | 233 | : currentFrame(0)
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| 234 | , currentIteration(0)
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| 235 | , filename(filename_)
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[846] | 236 | , from(from_)
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| 237 | , to(to_)
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| 238 | , single(single_)
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| 239 | , frame(frame_)
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| 240 | , currentCommand(1)
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[556] | 241 | {
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| 242 | setWindowTitle(filename);
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| 243 | QFile file(filename);
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| 244 |
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| 245 | if (!file.open(QIODevice::ReadOnly)) {
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| 246 | printf("Failed to load input file '%s'\n", qPrintable(filename_));
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| 247 | return;
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| 248 | }
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| 249 |
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| 250 | QDataStream in(&file);
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| 251 |
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| 252 | char *data;
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| 253 | uint size;
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| 254 | in.readBytes(data, size);
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[846] | 255 | bool isTraceFile = size >= 7 && qstrncmp(data, "qttrace", 7) == 0;
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| 256 |
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| 257 | uint version = 0;
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| 258 | if (size == 9 && qstrncmp(data, "qttraceV2", 9) == 0) {
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| 259 | in.setFloatingPointPrecision(QDataStream::SinglePrecision);
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| 260 | in >> version;
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| 261 | }
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| 262 |
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[556] | 263 | if (!isTraceFile) {
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| 264 | printf("File '%s' is not a trace file\n", qPrintable(filename_));
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| 265 | return;
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| 266 | }
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| 267 |
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| 268 | in >> buffer >> updates;
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[846] | 269 | printf("Read paint buffer version %d with %d frames\n", version, buffer.numFrames());
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[556] | 270 |
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| 271 | resize(buffer.boundingRect().size().toSize());
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| 272 |
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| 273 | setAutoFillBackground(false);
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| 274 | setAttribute(Qt::WA_NoSystemBackground);
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| 275 |
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| 276 | QTimer::singleShot(10, this, SLOT(updateRect()));
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| 277 | }
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| 278 |
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| 279 | int main(int argc, char **argv)
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| 280 | {
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| 281 | QApplication app(argc, argv);
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| 282 |
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| 283 | if (argc <= 1 || qstrcmp(argv[1], "-h") == 0 || qstrcmp(argv[1], "--help") == 0) {
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| 284 | printf("Replays a tracefile generated with '-graphicssystem trace'\n");
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[846] | 285 | printf("Usage:\n > %s [OPTIONS] [traceFile]\n", argv[0]);
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| 286 | printf("OPTIONS\n"
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| 287 | " --range=from-to to specify a frame range.\n"
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| 288 | " --singlerun to do only one run (without statistics)\n"
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| 289 | " --instrumentframe=frame to instrument a single frame\n");
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[556] | 290 | return 1;
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| 291 | }
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| 292 |
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[846] | 293 | QFile file(app.arguments().last());
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[556] | 294 | if (!file.exists()) {
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[846] | 295 | printf("%s does not exist\n", qPrintable(app.arguments().last()));
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[556] | 296 | return 1;
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| 297 | }
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| 298 |
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[846] | 299 | bool single = false;
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[556] | 300 |
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[846] | 301 | int frame = -1;
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| 302 |
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| 303 | int from = 0;
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| 304 | int to = -1;
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| 305 | for (int i = 1; i < app.arguments().size() - 1; ++i) {
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| 306 | QString arg = app.arguments().at(i);
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| 307 | if (arg.startsWith(QLatin1String("--range="))) {
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| 308 | QString rest = arg.mid(8);
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| 309 | QStringList components = rest.split(QLatin1Char('-'));
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| 310 |
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| 311 | bool ok1 = false;
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| 312 | bool ok2 = false;
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| 313 | int fromCandidate = 0;
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| 314 | int toCandidate = 0;
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| 315 | if (components.size() == 2) {
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| 316 | fromCandidate = components.first().toInt(&ok1);
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| 317 | toCandidate = components.last().toInt(&ok2);
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| 318 | }
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| 319 |
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| 320 | if (ok1 && ok2) {
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| 321 | from = fromCandidate;
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| 322 | to = toCandidate;
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| 323 | } else {
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| 324 | printf("ERROR: malformed syntax in argument %s\n", qPrintable(arg));
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| 325 | }
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| 326 | } else if (arg == QLatin1String("--singlerun")) {
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| 327 | single = true;
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| 328 | } else if (arg.startsWith(QLatin1String("--instrumentframe="))) {
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| 329 | QString rest = arg.mid(18);
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| 330 | bool ok = false;
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| 331 | int frameCandidate = rest.toInt(&ok);
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| 332 | if (ok) {
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| 333 | frame = frameCandidate;
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| 334 | } else {
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| 335 | printf("ERROR: malformed syntax in argument %s\n", qPrintable(arg));
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| 336 | }
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| 337 | } else {
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| 338 | printf("Unrecognized argument: %s\n", qPrintable(arg));
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| 339 | return 1;
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| 340 | }
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| 341 | }
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| 342 |
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| 343 | ReplayWidget *widget = new ReplayWidget(app.arguments().last(), from, to, single, frame);
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| 344 |
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[556] | 345 | if (!widget->updates.isEmpty()) {
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| 346 | widget->show();
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| 347 | return app.exec();
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| 348 | }
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| 349 |
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| 350 | }
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| 351 | #include "main.moc"
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