Files
rocm-systems/projects/rocr-runtime/samples/common/hsatimer.h
T
Ding, Wei (xN/A) TX 4ffdd95f87 ECR #333755 - Fixed error for not finding intrin.h under linux.
[git-p4: depot-paths = "//depot/stg/hsa/drivers/hsa/runtime/": change = 1133886]


[ROCm/ROCR-Runtime commit: b58ee3f9b7]
2015-03-24 13:48:22 -05:00

71 regels
1.4 KiB
C++

#ifndef __MYTIME__
#define __MYTIME__
// Will use AMD timer and general Linux timer based on users' need --> compilation flag
// need to consider platform is Windows or Linux
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <iostream>
#include <vector>
#include <string>
using namespace std;
#if defined(_MSC_VER)
#include <time.h>
#include <windows.h>
#include <intrin.h>
#else
#if defined(__GNUC__)
#include <sys/time.h>
#include <x86intrin.h>
#endif // __GNUC__
#endif //_MSC_VER
#define HSA_FAILURE 1
#define HSA_SUCCESS 0
class PerfTimer {
private:
struct Timer
{
string name; /* < name name of time object*/
long long _freq; /* < _freq frequency*/
double _clocks; /* < _clocks number of ticks at end*/
double _start; /* < _start start point ticks*/
};
std::vector<Timer*> _timers; /*< _timers vector to Timer objects */
double freq_in_100mhz;
public:
PerfTimer();
~PerfTimer();
private:
//AMD timing method
uint64_t CoarseTimestampUs();
uint64_t MeasureTSCFreqHz();
//General Linux timing method
public:
int CreateTimer();
int StartTimer(int index);
int StopTimer(int index);
public:
// retrieve time
double ReadTimer(int index);
// write into a file
double WriteTimer(int index);
public:
void Error(string str);
};
#endif