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/*
* Copyright (c) 2017, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "cm_timer.h"
#include "cm_perf_statistics.h"
#define MSG_STRING_SIZE 256
#if MDF_PROFILER_ENABLED
extern CmPerfStatistics gCmPerfStatistics;
CmTimer::CmTimer(const char *functionName):
m_cycles(0),
m_funcName(const_cast<char*>(functionName))
{
//Get frequency
QueryPerformanceFrequency(&m_freq);
// initialize private variables
m_start.QuadPart = 0;
m_end.QuadPart = 0;
//Start timer
Start();
return;
}
CmTimer::~CmTimer()
{
Stop();
gCmPerfStatistics.InsertApiCallRecord(m_funcName, GetTimeinMs(), m_start,
m_end);
}
void CmTimer::Start()
{
QueryPerformanceCounter(&m_start); // recode API start time
InsertEventStartFlag();
return;
}
void CmTimer::Stop()
{
QueryPerformanceCounter(&m_end);
m_cycles = m_end.QuadPart - m_start.QuadPart;
InsertEventEndFlag();
return;
}
float CmTimer::GetTimeinMs()
{
return (float)m_cycles * (float)1000.0 / (float)m_freq.QuadPart;
}
#endif // #if MDF_PROFILER_ENABLED
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