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// Copyright 1996-2023 Cyberbotics Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CPU_TIME_LOGGER_HPP
#define CPU_TIME_LOGGER_HPP
#include <ctime>
#include <string>
#include <vector>
namespace wren {
class CpuTimeLogger {
public:
CpuTimeLogger(int samplesPerMeasurement, int measurementsPerOutput, const std::string &name, const std::string &filename,
int maxPartialSamples = 0);
void startSample();
void startPartialSample();
void endPartialSample();
void endSample();
private:
struct Sample {
explicit Sample(clock_t start) : mStart(start), mEnd(start) {}
clock_t duration() const { return mEnd - mStart; }
clock_t mStart;
clock_t mEnd;
};
struct Measurement {
Measurement(double mean, double variance) : mMean(mean), mVariance(variance) {}
double mMean;
double mVariance;
};
void computeMeasurement();
void writeToFile();
int mMaxPartialSamples;
int mSamplesPerMeasurement;
int mMeasurementsPerOutput;
int mPartialSamplesTaken;
int mSamplesTaken;
int mMeasurementsTaken;
bool mSamplingStarted;
std::vector<Sample> mSamples;
std::vector<Sample> mPartialSamples;
std::vector<double> mSampleTimes;
std::vector<Measurement> mMeasurements;
std::string mName;
std::string mFilename;
};
// Example usage
// extern CpuTimeLogger cSceneRenderTimeLogger;
// extern CpuTimeLogger cSceneTreeUpdateTimeLogger;
// extern CpuTimeLogger cBoundingSphereComputationTimeLogger;
// extern CpuTimeLogger cCullingTimeLogger;
// extern CpuTimeLogger cParitioningTimeLogger;
// extern CpuTimeLogger cStateSortingTimeLogger;
// extern CpuTimeLogger cDistanceSortingTimeLogger;
// extern CpuTimeLogger cOpaqueRenderingTimeLogger;
// extern CpuTimeLogger cTranslucentRenderingTimeLogger;
} // namespace wren
#endif // CPU_TIME_LOGGER_HPP