Messages in this thread | | | Date | Wed, 3 Sep 2008 20:16:02 -0700 | From | Arjan van de Ven <> | Subject | Re: [PATCH] Fix TSC calibration issues |
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On Wed, 3 Sep 2008 19:56:10 -0700 (PDT) Linus Torvalds <torvalds@linux-foundation.org> wrote:
> > > On Wed, 3 Sep 2008, Alok Kataria wrote: > > > > As Linus suggested, we should be moving the tsc_read_refs outside > > of the loop, this gives us more accurate TSC calibration when > > calibrating against hpet/pmtimer, since we are now calibrating over > > a period of 250ms. > > Side note: I'd like to change that. > > 250ms is a _loong_ time. It's a really really long time. It's > human-noticeable. A quarter of a second at boot is just too long.
yeah it's insane ;-( (since we boot a kernel in 1 second and a full OS including the kernel in 5)
> - do other things while calibrating.
one option for that is the fastboot patchkit in -next ;-)
but at some point, even doing things in parallel/asynchronous isn't helping, "parallel shit is still shit" :)
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