From: olof@lixom.net (Olof Johansson)
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org
Subject: Re: [PATCH] powerpc: Show current speed in /proc/cpuinfo
Date: Fri, 27 Apr 2007 12:51:38 -0500 [thread overview]
Message-ID: <20070427175138.GA15582@lixom.net> (raw)
In-Reply-To: <1177665878.14873.320.camel@localhost.localdomain>
On Fri, Apr 27, 2007 at 07:24:38PM +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2007-04-27 at 03:41 -0500, Olof Johansson wrote:
> > On other architectures, the frequency in /proc/cpuinfo moves with cpufreq
> > changes. It makes sense to do the same on powerpc to keep users from
> > getting confused. Fall back to old ppc_proc_freq for non-cpufreq systems.
> >
> > Also change the format to three decimals, having full Hz granularity is
> > silly these days.
>
> That doesn't work if cpufreq is a module... on mac, I used to have
> exactly that hack, though at one point I changed to just updating
> ppc_proc_freq :-) But then, it's easy because I only change the freq on
> all CPUs at the same time. Might be different for you.
CONFIG_CPU_FREQ is a bool. do you mean the cpufreq driver?
I could change the output to be:
clock : xxxx.000MHz (current speed)
and
clock : xxxx.000MHz (reported by firmware)
depending on how I get the info.
-Olof
next prev parent reply other threads:[~2007-04-27 17:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-27 8:41 [PATCH] powerpc: Show current speed in /proc/cpuinfo Olof Johansson
2007-04-27 9:00 ` Matt Sealey
2007-04-27 9:25 ` Benjamin Herrenschmidt
2007-04-27 18:14 ` Olof Johansson
2007-04-27 9:24 ` Benjamin Herrenschmidt
2007-04-27 17:51 ` Olof Johansson [this message]
2007-04-30 3:53 ` [PATCH v2] " Olof Johansson
2007-05-01 23:48 ` Arnd Bergmann
2007-05-04 3:15 ` Olof Johansson
2007-05-04 3:16 ` [PATCH v3] " Olof Johansson
2007-05-04 3:39 ` Stephen Rothwell
2007-05-04 3:46 ` Olof Johansson
2007-05-04 4:00 ` Paul Mackerras
2007-05-04 4:39 ` [PATCH] pasemi: update ppc_proc_freq from cpufreq driver Olof Johansson
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