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FromCon Kolivas <>
SubjectRe: [ckpatch][15/29] hz-no_default_250.patch
DateWed, 21 Jun 2006 14:53:09 +1000
On Monday 19 June 2006 21:52, Jan Engelhardt wrote:
> >Yes I stored a family of these values and 864 was ~ the optimum for a high
> >value for desktops and ~84 for a low value but were unpopular for not
> > being
>
> 82 IIRC.

Ah yes here it is

    HZ   ticks/jiffie  1 second      error (ppm)
---------------------------------------------------
    82      14551      1.000000152       0.2
    96      12429      1.000001829       1.8
   209       5709      0.999999314      -0.7
   363       3287      0.999999314      -0.7
   519       2299      0.999999314      -0.7
   864       1381      1.000001829       1.8
>
> >something decimally familiar. Also lots of code kind of broke with values
> >below 100 in the kernel.
>
> Ought to be fixed. Just like the code which assumed 100 Hz and broke during
> the initial switch to 1000, before we went back again to 250. :p

No impetus to fix them I guess since there is no way to configure the kernel 
for sub 100 HZ configs without hacking it.

-- 
-ck
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