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juce::PerformanceCounter Class Reference

#include <juce_PerformanceCounter.h>

Classes

struct  Statistics
 

Public Member Functions

 PerformanceCounter (const String &counterName, int runsPerPrintout=100, const File &loggingFile=File())
 
 ~PerformanceCounter ()
 
void start () noexcept
 
bool stop ()
 
void printStatistics ()
 
Statistics getStatisticsAndReset ()
 

Detailed Description

A timer for measuring performance of code and dumping the results to a file.

e.g.

PerformanceCounter pc ("fish", 50, "/temp/myfishlog.txt");
for (;;)
{
pc.start();
pc.stop();
}

In this example, the time of each period between calling start/stop will be measured and averaged over 50 runs, and the results printed to a file every 50 times round the loop.

Definition at line 49 of file juce_PerformanceCounter.h.

Constructor & Destructor Documentation

◆ PerformanceCounter()

juce::PerformanceCounter::PerformanceCounter ( const String counterName,
int  runsPerPrintout = 100,
const File loggingFile = File() 
)

Creates a PerformanceCounter object.

Parameters
counterNamethe name used when printing out the statistics
runsPerPrintoutthe number of start/stop iterations before calling printStatistics()
loggingFilea file to dump the results to - if this is File(), the results are just written to the debugger output

Definition at line 37 of file juce_PerformanceCounter.cpp.

◆ ~PerformanceCounter()

juce::PerformanceCounter::~PerformanceCounter ( )

Destructor.

Definition at line 44 of file juce_PerformanceCounter.cpp.

Member Function Documentation

◆ getStatisticsAndReset()

PerformanceCounter::Statistics juce::PerformanceCounter::getStatisticsAndReset ( )

Returns a copy of the current stats, and resets the internal counter.

Definition at line 121 of file juce_PerformanceCounter.cpp.

Referenced by printStatistics().

◆ printStatistics()

void juce::PerformanceCounter::printStatistics ( )

Dumps the current metrics to the debugger output and to a file.

As well as using Logger::outputDebugString to print the results, this will write then to the file specified in the constructor (if this was valid).

Definition at line 113 of file juce_PerformanceCounter.cpp.

Referenced by stop(), and ~PerformanceCounter().

◆ start()

void juce::PerformanceCounter::start ( )
noexcept

Starts timing.

See also
stop

Definition at line 97 of file juce_PerformanceCounter.cpp.

◆ stop()

bool juce::PerformanceCounter::stop ( )

Stops timing and prints out the results.

The number of iterations before doing a printout of the results is set in the constructor.

See also
start

Definition at line 102 of file juce_PerformanceCounter.cpp.


The documentation for this class was generated from the following files: