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41
42#ifndef QBENCHMARK_MEASUREMENT_P_H
43#define QBENCHMARK_MEASUREMENT_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists purely as an
50// implementation detail. This header file may change from version to
51// version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include <QtCore/qelapsedtimer.h>
57#include "3rdparty/cycle_p.h"
58#include "qbenchmark.h"
59
60QT_BEGIN_NAMESPACE
61
62class QBenchmarkMeasurerBase
63{
64public:
65 virtual ~QBenchmarkMeasurerBase(){};
66 virtual void init() {};
67 virtual void start() = 0;
68 virtual qint64 checkpoint() = 0;
69 virtual qint64 stop() = 0;
70 virtual bool isMeasurementAccepted(qint64 measurement) = 0;
71 virtual int adjustIterationCount(int suggestion) = 0;
72 virtual int adjustMedianCount(int suggestion) = 0;
73 virtual bool repeatCount() { return 1; }
74 virtual bool needsWarmupIteration() { return false; }
75 virtual QTest::QBenchmarkMetric metricType() = 0;
76};
77
78class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase
79{
80public:
81 void start();
82 qint64 checkpoint();
83 qint64 stop();
84 bool isMeasurementAccepted(qint64 measurement);
85 int adjustIterationCount(int sugestion);
86 int adjustMedianCount(int suggestion);
87 bool needsWarmupIteration();
88 QTest::QBenchmarkMetric metricType();
89private:
90 QElapsedTimer time;
91};
92
93#ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h
94
95class QBenchmarkTickMeasurer : public QBenchmarkMeasurerBase
96{
97public:
98 void start();
99 qint64 checkpoint();
100 qint64 stop();
101 bool isMeasurementAccepted(qint64 measurement);
102 int adjustIterationCount(int);
103 int adjustMedianCount(int suggestion);
104 bool needsWarmupIteration();
105 QTest::QBenchmarkMetric metricType();
106private:
107 CycleCounterTicks startTicks;
108};
109
110#endif
111
112QT_END_NAMESPACE
113
114#endif // QBENCHMARK_MEASUREMENT_P_H
115