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SubjectRe: [PATCH] CPU frequency display in /proc/cpuinfo
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On Mon, 2005-12-05 at 12:25 -0500, Dave Jones wrote:
> On Mon, Dec 05, 2005 at 02:02:24PM +0100, Erik Mouw wrote:
> > On Sun, Dec 04, 2005 at 08:16:11PM -0500, Dave Jones wrote:
> > > I can't think of a single valid reason why a program would want
> > > to know the MHz rating of a CPU. Given that it's a) approximate,
> > > b) subject to change due to power management, c) completely nonsensical
> > > across CPU vendors, and d) only one of many variables regarding CPU
> > > performance, any program that bases any decision on the values found
> > > by parsing that field of /proc/cpuinfo is utterly broken beyond belief.
> >
> > If you want a userspace governor to change the CPU speed, you need to
> > export the value to userland.
>
> We have sysfs files for that.
>

OK thanks. Last time I asked on LKML about it (~ 6 months ago) I was
told there's no sysfs interface yet.

Lee

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