78 lines
1.3 KiB
C++
78 lines
1.3 KiB
C++
/** (c) Nullsoft, Inc. C O N F I D E N T I A L
|
|
** Filename:
|
|
** Project:
|
|
** Description:
|
|
** Author:
|
|
** Created:
|
|
**/
|
|
|
|
#include "main.h"
|
|
#include "timing.h"
|
|
|
|
#ifdef TIMING
|
|
#ifndef __alpha
|
|
|
|
|
|
static struct {
|
|
unsigned int st_time[2];
|
|
unsigned int cycles;
|
|
unsigned int calls;
|
|
} timingInfo[64];
|
|
|
|
static int timingEnters;
|
|
|
|
static void rdtsc(unsigned int t[2])
|
|
{
|
|
__asm
|
|
{
|
|
mov esi, t
|
|
_emit 0xf
|
|
_emit 0x31
|
|
mov [esi], eax
|
|
mov [esi+4], edx
|
|
}
|
|
}
|
|
|
|
void _timingInit()
|
|
{
|
|
memset(timingInfo,0,sizeof(timingInfo));
|
|
}
|
|
|
|
void _timingEnter(int which)
|
|
{
|
|
// if (!timingEnters++) __asm cli
|
|
rdtsc(timingInfo[which].st_time);
|
|
}
|
|
|
|
void _timingLeave(int which)
|
|
{
|
|
unsigned int t[2];
|
|
rdtsc(t);
|
|
// if (!--timingEnters) __asm sti
|
|
if (t[1]==timingInfo[which].st_time[1])
|
|
{
|
|
timingInfo[which].cycles += t[0]-timingInfo[which].st_time[0];
|
|
}
|
|
else
|
|
{
|
|
timingInfo[which].cycles += t[0]+(0xffffffff-timingInfo[which].st_time[0]);
|
|
}
|
|
timingInfo[which].calls++;
|
|
}
|
|
|
|
void _timingPrint()
|
|
{
|
|
int x;
|
|
FILE *fp = fopen("C:\\timings.txt","a+t");
|
|
for (x = 0; x < sizeof(timingInfo)/sizeof(timingInfo[0]); x ++)
|
|
{
|
|
if (timingInfo[x].calls)
|
|
fprintf(fp,"%d: %d calls, %d clocks/call\n",x,timingInfo[x].calls,timingInfo[x].cycles/timingInfo[x].calls);
|
|
}
|
|
_timingInit();
|
|
fclose(fp);
|
|
}
|
|
|
|
#endif
|
|
#endif
|