1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtTest module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 #ifndef QBENCHMARKTIMEMEASURERS_P_H
41 #define QBENCHMARKTIMEMEASURERS_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtTest/private/qbenchmarkmeasurement_p.h>
55 #include <QtCore/qelapsedtimer.h>
56 #include <QtTest/private/cycle_p.h>
57 
58 QT_BEGIN_NAMESPACE
59 
60 class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase
61 {
62 public:
63     void start() override;
64     qint64 checkpoint() override;
65     qint64 stop() override;
66     bool isMeasurementAccepted(qint64 measurement) override;
67     int adjustIterationCount(int sugestion) override;
68     int adjustMedianCount(int suggestion) override;
69     bool needsWarmupIteration() override;
70     QTest::QBenchmarkMetric metricType() override;
71 private:
72     QElapsedTimer time;
73 };
74 
75 #ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
76 
77 class QBenchmarkTickMeasurer : public QBenchmarkMeasurerBase
78 {
79 public:
80     void start() override;
81     qint64 checkpoint() override;
82     qint64 stop() override;
83     bool isMeasurementAccepted(qint64 measurement) override;
84     int adjustIterationCount(int) override;
85     int adjustMedianCount(int suggestion) override;
86     bool needsWarmupIteration() override;
87     QTest::QBenchmarkMetric metricType() override;
88 private:
89     CycleCounterTicks startTicks;
90 };
91 
92 #endif // HAVE_TICK_COUNTER
93 
94 QT_END_NAMESPACE
95 
96 #endif // QBENCHMARKTIMEMEASURERS_P_H
97