You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
|
|
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
|
|
* its licensors.
|
|
*
|
|
* For complete copyright and license terms please see the LICENSE at the root of this
|
|
* distribution (the "License"). All use of this software is governed by the License,
|
|
* or, if provided, by the license below or the license accompanying this file. Do not
|
|
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
*
|
|
*/
|
|
// Original file Copyright Crytek GMBH or its affiliates, used under license.
|
|
|
|
#ifndef CRYINCLUDE_CRYSYSTEM_SAMPLER_H
|
|
#define CRYINCLUDE_CRYSYSTEM_SAMPLER_H
|
|
#pragma once
|
|
|
|
#ifdef WIN32
|
|
|
|
class CSamplingThread;
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// Sampler class is running a second thread which is at regular intervals
|
|
// eg 1ms samples main thread and stores current IP in the samples buffers.
|
|
// After sampling finishes it can resolve collected IP buffer info to
|
|
// the function names and calculated where most of the execution time spent.
|
|
//////////////////////////////////////////////////////////////////////////
|
|
class CSampler
|
|
{
|
|
public:
|
|
struct SFunctionSample
|
|
{
|
|
string function;
|
|
uint32 nSamples; // Number of samples per function.
|
|
};
|
|
|
|
CSampler();
|
|
~CSampler();
|
|
|
|
void Start();
|
|
void Stop();
|
|
void Update();
|
|
|
|
// Adds a new sample to the ip buffer, return false if no more samples can be added.
|
|
bool AddSample(uint64 ip);
|
|
void SetMaxSamples(int nMaxSamples);
|
|
|
|
int GetSamplePeriod() const { return m_samplePeriodMs; }
|
|
void SetSamplePeriod(int millis) { m_samplePeriodMs = millis; }
|
|
|
|
private:
|
|
void ProcessSampledData();
|
|
void LogSampledData();
|
|
|
|
// Buffer for IP samples.
|
|
std::vector<uint64> m_rawSamples;
|
|
std::vector<SFunctionSample> m_functionSamples;
|
|
int m_nMaxSamples;
|
|
bool m_bSampling;
|
|
bool m_bSamplingFinished;
|
|
|
|
int m_samplePeriodMs;
|
|
|
|
CSamplingThread* m_pSamplingThread;
|
|
};
|
|
|
|
#else //WIN32
|
|
|
|
// Dummy sampler.
|
|
class CSampler
|
|
{
|
|
public:
|
|
void Start() {}
|
|
void Stop() {}
|
|
void Update() {}
|
|
void SetMaxSamples(int) {}
|
|
void SetSamplePeriod(int) {}
|
|
};
|
|
|
|
#endif // WIN32
|
|
|
|
#endif // CRYINCLUDE_CRYSYSTEM_SAMPLER_H
|