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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
58QT_BEGIN_NAMESPACE
59
60class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase
61{
62public:
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;
71private:
72 QElapsedTimer time;
73};
74
75#ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
76
77class QBenchmarkTickMeasurer : public QBenchmarkMeasurerBase
78{
79public:
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;
88private:
89 CycleCounterTicks startTicks;
90};
91
92#endif // HAVE_TICK_COUNTER
93
94QT_END_NAMESPACE
95
96#endif // QBENCHMARKTIMEMEASURERS_P_H
97

source code of qtbase/src/testlib/qbenchmarktimemeasurers_p.h