| 1 | // Copyright (C) 2016 Intel Corporation. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QBENCHMARKPERFEVENTS_P_H |
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| 5 | #define QBENCHMARKPERFEVENTS_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtTest/private/qbenchmarkmeasurement_p.h> |
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| 19 | |
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| 20 | QT_BEGIN_NAMESPACE |
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| 21 | |
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| 22 | class QBenchmarkPerfEventsMeasurer : public QBenchmarkMeasurerBase |
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| 23 | { |
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| 24 | public: |
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| 25 | QBenchmarkPerfEventsMeasurer(); |
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| 26 | ~QBenchmarkPerfEventsMeasurer(); |
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| 27 | void start() override; |
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| 28 | QList<Measurement> stop() override; |
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| 29 | bool isMeasurementAccepted(Measurement measurement) override; |
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| 30 | int adjustIterationCount(int suggestion) override; |
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| 31 | int adjustMedianCount(int suggestion) override; |
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| 32 | bool needsWarmupIteration() override { return true; } |
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| 33 | |
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| 34 | static bool isAvailable(); |
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| 35 | static void setCounter(const char *name); |
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| 36 | static void listCounters(); |
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| 37 | private: |
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| 38 | QList<int> fds; |
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| 39 | |
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| 40 | Measurement readValue(qsizetype idx = 0); |
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| 41 | }; |
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| 42 | |
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| 43 | QT_END_NAMESPACE |
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| 44 | |
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| 45 | #endif // QBENCHMARKPERFEVENTS_P_H |
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| 46 | |
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