mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
18 lines
361 B
C
18 lines
361 B
C
|
#include <sys/types.h>
|
||
|
|
#include <sys/sysctl.h>
|
||
|
|
|
||
|
|
long long cpucycles_x86tscfreq(void)
|
||
|
|
{
|
||
|
|
long long result;
|
||
|
|
asm volatile(".byte 15;.byte 49" : "=A" (result));
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
long long cpucycles_x86tscfreq_persecond(void)
|
||
|
|
{
|
||
|
|
long result = 0;
|
||
|
|
size_t resultlen = sizeof(long);
|
||
|
|
sysctlbyname("machdep.tsc_freq",&result,&resultlen,0,0);
|
||
|
|
return result;
|
||
|
|
}
|