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slight improvement - average out freqs on all cores. some newer cpus 

can have separate core freqs. dont get me started with this new turbo
boost thing that the kernel doesnt even report corrently right now
either.



SVN revision: 54546
This commit is contained in:
Carsten Haitzler 2010-11-14 03:04:20 +00:00
parent 40c93a6dd1
commit 3e706de451
1 changed files with 27 additions and 14 deletions
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41
src/modules/cpufreq/e_mod_main.c
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@ -524,6 +524,7 @@ _cpufreq_status_check_available(Status *s)
{
char buf[PATH_MAX];
Eina_List *l;
// FIXME: this sssumes all cores accept the same freqs/ might be wrong
#ifdef __FreeBSD__
int freq, i;
size_t len = 0;
@ -643,6 +644,7 @@ _cpufreq_status_check_current(Status *s)
FILE *f;
int ret = 0;
int frequency = 0;
int freqtot = 0;
#ifdef __FreeBSD__
int len = 4;
@ -663,20 +665,31 @@ _cpufreq_status_check_current(Status *s)
s->active = 0;
_cpufreq_status_check_available(s);
f = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", "r");
if (f)
{
fgets(buf, sizeof(buf), f);
buf[sizeof(buf) - 1] = 0;
fclose(f);
frequency = atoi(buf);
if (frequency != s->cur_frequency)
ret = 1;
s->cur_frequency = frequency;
s->active = 1;
}
// average out frequencies of all cores
for (i = 0; i < 64; i++)
{
snprintf(buf, sizeof(buf), "/sys/devices/system/cpu/cpu%i/cpufreq/scaling_cur_freq", i);
f = fopen(buf, "r");
if (f)
{
fgets(buf, sizeof(buf), f);
buf[sizeof(buf) - 1] = 0;
fclose(f);
frequency = atoi(buf);
freqtot += frequency;
s->active = 1;
}
else
break;
}
if (i < 64) i++;
frequency = freqtot / i;
if (frequency != s->cur_frequency)
ret = 1;
s->cur_frequency = frequency;
// FIXME: this sssumes all cores are on the same governor
f = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed", "r");
if (f)
{