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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 | |
60 | QT_BEGIN_NAMESPACE |
61 | |
62 | class QBenchmarkMeasurerBase |
63 | { |
64 | public: |
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 | |
78 | class QBenchmarkTimeMeasurer : public QBenchmarkMeasurerBase |
79 | { |
80 | public: |
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(); |
89 | private: |
90 | QElapsedTimer time; |
91 | }; |
92 | |
93 | #ifdef HAVE_TICK_COUNTER // defined in 3rdparty/cycle_p.h |
94 | |
95 | class QBenchmarkTickMeasurer : public QBenchmarkMeasurerBase |
96 | { |
97 | public: |
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(); |
106 | private: |
107 | CycleCounterTicks startTicks; |
108 | }; |
109 | |
110 | #endif |
111 | |
112 | QT_END_NAMESPACE |
113 | |
114 | #endif // QBENCHMARK_MEASUREMENT_P_H |
115 | |