Qt 4.8
qbenchmarkmeasurement_p.h
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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 
61 
63 {
64 public:
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 
79 {
80 public:
81  void start();
83  qint64 stop();
84  bool isMeasurementAccepted(qint64 measurement);
85  int adjustIterationCount(int sugestion);
86  int adjustMedianCount(int suggestion);
87  bool needsWarmupIteration();
89 private:
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();
100  qint64 stop();
101  bool isMeasurementAccepted(qint64 measurement);
102  int adjustIterationCount(int);
103  int adjustMedianCount(int suggestion);
104  bool needsWarmupIteration();
106 private:
107  CycleCounterTicks startTicks;
108 };
109 
110 #endif
111 
113 
114 #endif // QBENCHMARK_MEASUREMENT_P_H
virtual qint64 checkpoint()=0
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QBenchmarkMetric
This enum lists all the things that can be benchmarked.
virtual QTest::QBenchmarkMetric metricType()=0
virtual void start()=0
virtual int adjustMedianCount(int suggestion)=0
The QElapsedTimer class provides a fast way to calculate elapsed times.
Definition: qelapsedtimer.h:53
virtual int adjustIterationCount(int suggestion)=0
virtual bool isMeasurementAccepted(qint64 measurement)=0
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
virtual qint64 stop()=0
__int64 qint64
Definition: qglobal.h:942