timer.h

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#ifndef TIMER_H
#define TIMER_H

/****************************************************************************************/
/*  Timer                                                                               */
/*                                                                                      */
/*  Author: Charles Bloom                                                               */
/*  Description: A nice little profiling utility                                        */
/*                                                                                      */
/*  The contents of this file are subject to the Genesis3D Public License               */
/*  Version 1.01 (the "License"); you may not use this file except in                   */
/*  compliance with the License. You may obtain a copy of the License at                */
/*  http://www.genesis3d.com                                                            */
/*                                                                                      */
/*  Software distributed under the License is distributed on an "AS IS"                 */
/*  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See                */
/*  the License for the specific language governing rights and limitations              */
/*  under the License.                                                                  */
/*                                                                                      */
/*  The Original Code is Genesis3D, released March 25, 1999.                            */
/*  Genesis3D Version 1.1 released November 15, 1999                                 */
/*  Copyright (C) 1999 WildTangent, Inc. All Rights Reserved           */
/*                                                                                      */
/****************************************************************************************/

#include <stdio.h>
#include "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")

#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 { readTSC(tsc_##func##2); time_##func += diffTSC(tsc_##func##1,tsc_##func##2); } 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) );

#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;

        timerFP = stdout;

        TIMER_START();

                TIMER_P(test1);

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

        TIMER_COUNT();
        TIMER_STOP();

        TIMER_REPORT(test2);
        TIMER_REPORT(test1);

return 0;
}

**********/

//}

#ifdef __cplusplus
}
#endif

#endif // TIMER_H

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