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Add support for choosing first cpuid

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eatdirt 2014-11-20 23:44:26 +01:00 committed by Carlos R. Mafra
parent 27a4386c3f
commit 0cacb3cddb
1 changed files with 58 additions and 29 deletions
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87
wmcpufreq/wmcpufreq/wmcpufreq.c
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@ -61,14 +61,17 @@ int main(int argc, char *argv[])
{ {
struct timespec ts,ts1; struct timespec ts,ts1;
int i,ncpu; int i,ncpu;
int idcpu;
unsigned long freq[8]; unsigned long freq[8];
XEvent event; XEvent event;
char gov[20]; char gov[20];
char drv[20],*ptr; char drv[20],*ptr,*endptr;
char prg[LN_PATH]; char prg[LN_PATH];
ts.tv_sec=0; ts.tv_sec=0;
ts.tv_nsec=DELAY; ts.tv_nsec=DELAY;
prg[0]=0; prg[0]=0;
idcpu=0;
for(i=0;i<MAX_CPU;i++) for(i=0;i<MAX_CPU;i++)
freq[i]=0; freq[i]=0;
if(argc >1) if(argc >1)
@ -86,10 +89,25 @@ int main(int argc, char *argv[])
strcpy(prg,argv[i+1]); strcpy(prg,argv[i+1]);
break; break;
} }
printf("only -v and -exe supported \n"); if (!strcmp(argv[i], "-cpuid"))
{
if(strlen(argv[i+1]) < LN_PATH )
idcpu=strtol(argv[i+1],&endptr,0);
printf("cpuid= %d \n",idcpu);
break;
}
printf("only -v, -exe, -cpuid supported \n");
exit(0); exit(0);
} }
} }
/* basic checks */
if ( idcpu < 0 )
{
printf("cpuid < 0 \n");
exit(-1);
}
/* get driver name (guess all cpu have the same driver) */ /* get driver name (guess all cpu have the same driver) */
ptr=cpufreq_get_driver(cpu); ptr=cpufreq_get_driver(cpu);
if(!ptr) if(!ptr)
@ -99,36 +117,47 @@ int main(int argc, char *argv[])
} }
strcpy(drv,ptr); strcpy(drv,ptr);
cpufreq_put_driver(ptr); cpufreq_put_driver(ptr);
/* get number of cpu (0=cpu0, 1=cpu1 ...) */ /* get number of cpu (0=cpu0, 1=cpu1 ...) */
ncpu=3;
if( cpufreq_cpu_exists(ncpu) ==0) ncpu=-1;
for(i=0;i<MAX_CPU;i++)
{ {
/* 4 cpu at least */ if( cpufreq_cpu_exists(idcpu+i) ==0)
printf("4cpu\n"); {
wm_xpm=wmcpufreq_master_3; printf("cpuid %d found\n",idcpu+i);
wm_bits=wmcpufreq_mask_3_bits; ncpu=i;
}
} }
else if (cpufreq_cpu_exists(ncpu-1) ==0)
{ switch ( ncpu ) {
printf("3cpu\n"); case -1:
wm_xpm=wmcpufreq_master_3; printf("no cpuid found \n");
wm_bits=wmcpufreq_mask_3_bits; exit(-1);
ncpu=2; case 0:
} wm_xpm=wmcpufreq_master_xpm_1;
else if (cpufreq_cpu_exists(ncpu-2) ==0) wm_bits=wmcpufreq_mask_bits_1;
{ break;
printf("2cpu\n"); case 1:
wm_xpm=wmcpufreq_master_xpm_2; wm_xpm=wmcpufreq_master_xpm_2;
wm_bits=wmcpufreq_mask_bits_2; wm_bits=wmcpufreq_mask_bits_2;
ncpu=1; break;
} case 2:
else wm_xpm=wmcpufreq_master_3;
{ wm_bits=wmcpufreq_mask_3_bits;
printf("1cpu\n"); break;
wm_xpm=wmcpufreq_master_xpm_1; case 3:
wm_bits=wmcpufreq_mask_bits_1; wm_xpm=wmcpufreq_master_3;
ncpu=0; wm_bits=wmcpufreq_mask_3_bits;
break;
default:
printf("no yet implemented: cpuid %d \n",ncpu);
exit(-1);
break;
} }
/* guess every cpu has the same limits */ /* guess every cpu has the same limits */
if(cpufreq_get_hardware_limits(cpu, &f_min, &f_max)) if(cpufreq_get_hardware_limits(cpu, &f_min, &f_max))
{ {
@ -162,7 +191,7 @@ int main(int argc, char *argv[])
RedrawWindow(); RedrawWindow();
/* get info */ /* get info */
for(i=0;i<=ncpu;i++) for(i=0;i<=ncpu;i++)
freq[i]=cpufreq_get_freq_kernel(i); freq[i]=cpufreq_get_freq_kernel(i+idcpu);
policy=cpufreq_get_policy(cpu); policy=cpufreq_get_policy(cpu);
strcpy(gov,policy->governor); strcpy(gov,policy->governor);
max=policy->max; max=policy->max;