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77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
//
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// CounterStats.h
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// hifi
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//
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// Created by Brad Hefta-Gaub on 3/29/13.
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//
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// Poor-man's counter stats collector class. Useful for collecting running averages
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// and other stats for countable things.
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//
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//
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#ifndef __hifi__CounterStats__
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#define __hifi__CounterStats__
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#include <cstring>
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#include <string>
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#include <map>
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// TIME_FRAME should be SAMPLES_TO_KEEP * TIME_BETWEEN_SAMPLES
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#define COUNTETSTATS_SAMPLES_TO_KEEP 50
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#define COUNTETSTATS_TIME_BETWEEN_SAMPLES 0.1
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#define COUNTETSTATS_TIME_FRAME (COUNTETSTATS_SAMPLES_TO_KEEP*COUNTETSTATS_TIME_BETWEEN_SAMPLES)
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class CounterStatHistory {
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public:
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std::string name;
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CounterStatHistory(std::string myName):
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currentCount(0), currentDelta(0),currentTime(0.0),
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lastCount(0),lastTime(0.0),
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totalTime(0.0),
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sampleAt(-1), sampleCount(0), name(myName) {};
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CounterStatHistory():
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currentCount(0), currentDelta(0),currentTime(0.0),
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lastCount(0),lastTime(0.0),
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totalTime(0.0),
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sampleAt(-1), sampleCount(0) {};
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CounterStatHistory(std::string myName, double initialTime, long initialCount) :
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currentCount(initialCount), currentDelta(0), currentTime(initialTime),
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lastCount(initialCount),lastTime(initialTime),
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totalTime(initialTime),
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sampleAt(-1), sampleCount(0), name(myName) {};
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void recordSample(long thisCount);
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void recordSample(double thisTime, long thisCount);
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long getRunningAverage();
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long getAverage() {
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return currentCount/totalTime;
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};
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double getTotalTime() {
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return totalTime;
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};
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long getCount() {
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return currentCount;
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};
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private:
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long currentCount;
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long currentDelta;
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double currentTime;
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long lastCount;
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double lastTime;
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double totalTime;
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long countSamples[COUNTETSTATS_SAMPLES_TO_KEEP];
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long deltaSamples[COUNTETSTATS_SAMPLES_TO_KEEP];
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double timeSamples[COUNTETSTATS_SAMPLES_TO_KEEP];
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int sampleAt;
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int sampleCount;
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};
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#endif /* defined(__hifi__CounterStat__) */
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