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juce_PerformanceCounter.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
26//==============================================================================
49 class JUCE_API PerformanceCounter
50{
51 public:
52 //==============================================================================
61 PerformanceCounter (const String& counterName,
62 int runsPerPrintout = 100,
63 const File& loggingFile = File());
64
66 ~PerformanceCounter();
67
68 //==============================================================================
72 void start() noexcept;
73
81 bool stop();
82
89 void printStatistics();
90
92 struct Statistics
93 {
94 Statistics() noexcept;
95
96 void clear() noexcept;
97 String toString() const;
98
99 void addResult (double elapsed) noexcept;
100
101 String name;
102 double averageSeconds;
103 double maximumSeconds;
104 double minimumSeconds;
105 double totalSeconds;
106 int64 numRuns;
107 };
108
110 Statistics getStatisticsAndReset();
111
112 private:
113 //==============================================================================
114 Statistics stats;
115 int64 runsPerPrint, startTime;
116 File outputFile;
117
118 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PerformanceCounter)
119};
120
121
122//==============================================================================
143 class JUCE_API ScopedTimeMeasurement
144{
145 public:
146 ScopedTimeMeasurement (double& resultInSeconds) noexcept
147 : result (resultInSeconds)
148 {
149 result = 0.0;
150 }
151
152 ~ScopedTimeMeasurement()
153 {
154 static auto scaler = 1.0 / static_cast<double> (Time::getHighResolutionTicksPerSecond());
155 result = static_cast<double> (Time::getHighResolutionTicks() - startTimeTicks) * scaler;
156 }
157
158 private:
159 int64 startTimeTicks = Time::getHighResolutionTicks();
160 double& result;
161
162 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ScopedTimeMeasurement)
163};
164
165} // namespace juce
juce::File
Definition juce_File.h:45
juce::PerformanceCounter
Definition juce_PerformanceCounter.h:50
juce::ScopedTimeMeasurement
Definition juce_PerformanceCounter.h:144
juce::String
Definition juce_String.h:53
juce::PerformanceCounter::Statistics
Definition juce_PerformanceCounter.h:93