Re: Increasing HZ (patch for HZ > 1000)

Pavel Machek
2004-04-07T13:44:02Z

Hi!

> >Actually, the way I rewrote it in the patch is immune to that kind of
> >problem:
> >
> >seq_printf(m, "\nbogomips\t: %lu.%02lu\n\n",
> > HZ*(c->loops_per_jiffy>>3)/62500,
> > (HZ*(c->loops_per_jiffy>>3)/625)%100);
> >
> >It will work correctly for any HZ up to ~34000 bogomips (using 32-bit
> >arithmetic).
>
> I think it's likely any CPU with 34000 bogomips will have more than
> 32 bit ;-)

Hmmm, but it will perhaps be running in compatibility mode.

;-),
Pavel
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