khanat-opennel-code/code/nel/tools/3d/tile_edit/cpu.cpp
2011-08-13 17:39:55 +02:00

181 lines
3.9 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdafx.h"
// ----------------------------------------------------------------------------------------------------------------------------------
typedef struct SYS_CPU
{
unsigned long ID;
__int64 Start,Stop;
unsigned long NbCycles;
struct SYS_CPU *Previous;
struct SYS_CPU *Next;
} SYS_CPU;
// ----------------------------------------------------------------------------------------------------------------------------------
static __int64 first_cycle;
static __int64 last_cycle;
static unsigned long NbCpus=0;
static struct SYS_CPU *Sys_Cpu=NULL;
// ----------------------------------------------------------------------------------------------------------------------------------
/*
typedef struct ROUT
{
unsigned char Name[32];
unsigned long id;
unsigned long time;
} ROUT;
*/
ROUT Routines[20];
//#define PROFILE_BEGIN(name,i) {strcpy(Routine[i].Name,name); Routine[i].id=Sys_StartClock();}
//#define PROFILE_END(i) {Routine[i].time=Sys_StopClock(Routine[i].id);}
void FlushProfile(void)
{
FILE* file;
int i;
file=fopen("\\profile.txt","wt");
if (file)
{
for(i=0 ; i<20 ; i++)
{
if (Routines[i].id)
{
fprintf(file,"-------------------------------\n");
fprintf(file,"Routine : %s",Routines[i].Name);
fprintf(file," Cpu : %2.2f\n",Routines[i].time/(float)Routines[i].nbtimes);
}
}
}
fclose(file);
}
unsigned long Sys_StartClock(void)
{
SYS_CPU *cpu,*temp,*cpu2;
unsigned long i,taken;
cpu=(SYS_CPU*)malloc(sizeof(SYS_CPU));
if (!cpu)
{
return(0);
}
if (Sys_Cpu==NULL)
{
Sys_Cpu=cpu;
cpu->Previous=NULL;
cpu->Next=NULL;
}
else
{
/* temp=Sys_Cpu->Next;
Sys_Cpu->Next=cpu;
cpu->Previous=Sys_Cpu;
cpu->Next=temp;
if (temp)
{
temp->Previous=cpu;
}*/
temp = Sys_Cpu;
Sys_Cpu = cpu;
Sys_Cpu->Previous = NULL;
Sys_Cpu->Next = temp;
temp->Previous = Sys_Cpu;
}
NbCpus++;
for(i=1 ; i<NbCpus+1 ; i++)
{
taken=0;
for(cpu2=Sys_Cpu ; cpu2 ; cpu2=cpu2->Next)
{
if (cpu2->ID==i)
{
taken=1;
break;
}
}
if (!taken)
{
cpu->ID=i;
break;
}
}
__asm
{
push eax
push edx
_emit 0x0F
_emit 0x31
mov ebx, OFFSET first_cycle
mov [ebx+0],eax
mov [ebx+4],edx
pop edx
pop eax
}
cpu->Start=first_cycle;
return(cpu->ID);
}
// ----------------------------------------------------------------------------------------------------------------------------------
float Sys_StopClock(unsigned long id)
{
SYS_CPU *cpu;
__int64 diftime;
for(cpu=Sys_Cpu ; cpu ; cpu=cpu->Next)
{
if (cpu->ID==id)
{
break;
}
}
__asm
{
push eax
push edx
_emit 0x0F
_emit 0x31
mov ebx,OFFSET last_cycle
mov [ebx+0],eax
mov [ebx+4],edx
pop edx
pop eax
}
cpu->Stop=last_cycle;
diftime=cpu->Stop-cpu->Start;
if (diftime>0xFFFFFFFF)
{
diftime=0xFFFFFFFF;
}
cpu->NbCycles=(unsigned long)diftime;
free(cpu);
return( diftime );
}
// ----------------------------------------------------------------------------------------------------------------------------------