source: trunk/src/testlib/qbenchmarkmeasurement.cpp@ 437

Last change on this file since 437 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 3.6 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtTest module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
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11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
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28** GNU General Public License Usage
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30** General Public License version 3.0 as published by the Free Software
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32** packaging of this file. Please review the following information to
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40****************************************************************************/
41
42#include "QtTest/private/qbenchmarkmeasurement_p.h"
43#include "QtTest/private/qbenchmark_p.h"
44#include <qdebug.h>
45
46QT_BEGIN_NAMESPACE
47
48// QBenchmarkTimeMeasurer implementation
49
50void QBenchmarkTimeMeasurer::start()
51{
52 time.start();
53}
54
55qint64 QBenchmarkTimeMeasurer::checkpoint()
56{
57 return time.elapsed();
58}
59
60qint64 QBenchmarkTimeMeasurer::stop()
61{
62 return time.elapsed();
63}
64
65bool QBenchmarkTimeMeasurer::isMeasurementAccepted(qint64 measurement)
66{
67 return (measurement > 20);
68}
69
70int QBenchmarkTimeMeasurer::adjustIterationCount(int suggestion)
71{
72 return suggestion;
73}
74
75int QBenchmarkTimeMeasurer::adjustMedianCount(int)
76{
77 return 1;
78}
79
80QString QBenchmarkTimeMeasurer::unitText()
81{
82 return QLatin1String("msec");
83}
84
85QString QBenchmarkTimeMeasurer::metricText()
86{
87 return QLatin1String("walltime");
88}
89
90#ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
91
92void QBenchmarkTickMeasurer::start()
93{
94 startTicks = getticks();
95}
96
97qint64 QBenchmarkTickMeasurer::checkpoint()
98{
99 CycleCounterTicks now = getticks();
100 return qRound64(elapsed(now, startTicks));
101}
102
103qint64 QBenchmarkTickMeasurer::stop()
104{
105 CycleCounterTicks now = getticks();
106 return qRound64(elapsed(now, startTicks));
107}
108
109bool QBenchmarkTickMeasurer::isMeasurementAccepted(qint64)
110{
111 return true;
112}
113
114int QBenchmarkTickMeasurer::adjustIterationCount(int)
115{
116 return 1;
117}
118
119int QBenchmarkTickMeasurer::adjustMedianCount(int)
120{
121 return 1;
122}
123
124bool QBenchmarkTickMeasurer::needsWarmupIteration()
125{
126 return true;
127}
128
129QString QBenchmarkTickMeasurer::unitText()
130{
131 return QLatin1String("ticks");
132}
133
134QString QBenchmarkTickMeasurer::metricText()
135{
136 return QLatin1String("cputicks");
137}
138
139#endif
140
141
142QT_END_NAMESPACE
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