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39
40#ifndef QBENCHMARKVALGRIND_P_H
41#define QBENCHMARKVALGRIND_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 <QtTest/private/qbenchmarkmetric_p.h>
56#include <QtCore/qmap.h>
57#include <QtCore/qstring.h>
58
59class QStringList;
60
61QT_REQUIRE_CONFIG(valgrind);
62
63QT_BEGIN_NAMESPACE
64
65class QBenchmarkValgrindUtils
66{
67public:
68 static bool haveValgrind();
69 static bool rerunThroughCallgrind(const QStringList &origAppArgs, int &exitCode);
70 static bool runCallgrindSubProcess(const QStringList &origAppArgs, int &exitCode);
71 static qint64 extractResult(const QString &fileName);
72 static QString getNewestFileName();
73 static qint64 extractLastResult();
74 static void cleanup();
75 static QString outFileBase(qint64 pid = -1);
76};
77
78class QBenchmarkCallgrindMeasurer : public QBenchmarkMeasurerBase
79{
80public:
81 void start() override;
82 qint64 checkpoint() override;
83 qint64 stop() override;
84 bool isMeasurementAccepted(qint64 measurement) override;
85 int adjustIterationCount(int) override;
86 int adjustMedianCount(int) override;
87 bool needsWarmupIteration() override;
88 QTest::QBenchmarkMetric metricType() override;
89};
90
91QT_END_NAMESPACE
92
93#endif // QBENCHMARKVALGRIND_H
94

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