Messages in this thread | | | Subject | Re: [PATCH] CPU frequency display in /proc/cpuinfo | From | Lee Revell <> | Date | Mon, 05 Dec 2005 12:27:30 -0500 |
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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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