On Sun, Jan 16, 2011 at 10:38 PM, loody <miloody@xxxxxxxxx> wrote: [...] > (us * 0x000010c7 * HZ * lpj )) >> 32) > I cannot figure out why we need to multiply 0x10c7, and what lpj mean? > Does lpj mean if jiffies increase 1, how many "subu %0, 1" may need? Yep, lpj is calculated in init/calibrate.c > Regards, > miloody > >
