timer.h

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#ifndef TIMER_H
#define TIMER_H

#include <stdio.h>
#include <crblib/tsc.h>

#ifdef __cplusplus
extern "C" {
#endif

//{

extern FILE * timerFP;
extern int timerCount;
extern double time_Master;

extern void Timer_Start(void);
extern void Timer_Stop(void);

#ifdef DO_TIMER	//}{

#pragma message("timer ON")

#ifdef _DEBUG //}{

#define TIMER_VARS(func)	static double time_##func =0.0;	static tsc_type tsc_##func##1,tsc_##func##2; static int nest_##func = 0

#define TIMER_P(func)	do { readTSC(tsc_##func##1); assert( nest_##func == 0 ); nest_##func ++; } while(0)
#define TIMER_Q(func)	do { /*geCPU_PauseMMX();*/ readTSC(tsc_##func##2); assert( nest_##func == 1 ); nest_##func --; time_##func += diffTSC(tsc_##func##1,tsc_##func##2); /*geCPU_ResumeMMX();*/ } while(0)

#define TIMER_REPORT(func)	fprintf(timerFP,"%-20s : %1.6f : %2.1f %%\n", (#func) , (time_##func)/(double)timerCount , (time_##func)*100.0/(time_Master) )

#else	//}{

#define TIMER_VARS(func)	static double time_##func =0.0;	static tsc_type tsc_##func##1,tsc_##func##2

#define TIMER_P(func)	readTSC(tsc_##func##1)
#define TIMER_Q(func)	do { /*geCPU_PauseMMX();*/ readTSC(tsc_##func##2); time_##func += diffTSC(tsc_##func##1,tsc_##func##2); /*geCPU_ResumeMMX();*/ } while(0)

#define TIMER_REPORT(func)	fprintf(timerFP,"%-20s : %1.6f : %2.1f %%\n", (#func) , (time_##func)/(double)timerCount , (time_##func)*100.0/(time_Master) )

#endif	//}{

#define TIMER_COUNT()	timerCount++

#define TIMER_START()	Timer_Start()
#define TIMER_STOP()	Timer_Stop()

#else	//}{

#pragma message("timer OFF")

#define TIMER_VARS(func)
#define TIMER_P(func)
#define TIMER_Q(func)
#define TIMER_REPORT(func)

#define TIMER_COUNT()

#define TIMER_START()
#define TIMER_STOP()

#endif //}{

/**********

//example usage:

TIMER_VARS(test1);
TIMER_VARS(test2);

int main(int argc,char *argv[])
{
int i,j;

		TIMER_P(test1);

		for(i=0;i<1000;i++)
		{
			TIMER_P(test2);
			j = 99/(i+1);
			TIMER_Q(test2);
		}
			
		TIMER_Q(test1);

	TIMER_REPORT(test2);
	TIMER_REPORT(test1);

return 0;
}

**********/

//}

#ifdef __cplusplus
}
#endif

#endif // TIMER_H