Evgeny
86 行
2.7 KiB
C++
86 行
2.7 KiB
C++
/**********************************************************************
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Copyright ©2013 Advanced Micro Devices, Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are permitted
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provided that the following conditions are met:
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<95> Redistributions of source code must retain the above copyright notice, this list of
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conditions and the following disclaimer.
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<95> Redistributions in binary form must reproduce the above copyright notice, this list of
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conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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********************************************************************/
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#ifndef TEST_UTIL_PERF_TIMER_H_
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#define TEST_UTIL_PERF_TIMER_H_
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// Will use AMD timer or general Linux timer based on compilation flag
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// Need to consider platform is Windows or Linux
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(_MSC_VER)
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#include <intrin.h>
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#include <time.h>
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#include <windows.h>
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#else
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#if defined(__GNUC__)
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#include <sys/time.h>
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#include <x86intrin.h>
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#endif // __GNUC__
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#endif // _MSC_VER
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#include <iostream>
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#include <string>
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#include <vector>
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class PerfTimer {
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public:
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enum { SUCCESS = 0, FAILURE = 1 };
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PerfTimer();
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~PerfTimer();
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// General Linux timing method
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int CreateTimer();
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int StartTimer(int index);
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int StopTimer(int index);
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// retrieve time
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double ReadTimer(int index);
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// write into a file
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double WriteTimer(int index);
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private:
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struct Timer {
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std::string name; /* name of time object */
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long long freq; /* frequency */
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double clocks; /* number of ticks at end */
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double start; /* start point ticks */
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};
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std::vector<Timer*> timers_; /* vector to Timer objects */
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double freq_in_100mhz_;
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// AMD timing method
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uint64_t CoarseTimestampUs();
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uint64_t MeasureTSCFreqHz();
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void Error(std::string str);
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};
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#endif // TEST_UTIL_PERF_TIMER_H_
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