Re: cpufreq on TiBook 400 MHz
- To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
- Cc: Krisztian Mark Szentes <office@lsa.at>, Segher Boessenkool <segher@koffie.nl>, debian-powerpc@lists.debian.org, cpufreq@www.linux.org.uk
- Subject: Re: cpufreq on TiBook 400 MHz
- From: Russell King <rmk@arm.linux.org.uk>
- Date: Fri, 13 Jun 2003 13:09:13 +0100
- Message-id: <20030613130913.E1067@flint.arm.linux.org.uk>
- Mail-followup-to: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Krisztian Mark Szentes <office@lsa.at>, Segher Boessenkool <segher@koffie.nl>, debian-powerpc@lists.debian.org, cpufreq@www.linux.org.uk
- In-reply-to: <1055501598.870.20.camel@gaston>; from benh@kernel.crashing.org on Fri, Jun 13, 2003 at 12:53:18PM +0200
- References: <200305211853.54638.office@lsa.at> <200306121600.06552.office@lsa.at> <1055426768.604.49.camel@gaston> <200306131249.55776.office@lsa.at> <1055501598.870.20.camel@gaston>
On Fri, Jun 13, 2003 at 12:53:18PM +0200, Benjamin Herrenschmidt wrote:
> The bogomips is recalculated based on what I think is the new
> frequency, so the value may be wrong. With DEBUG_FREQ, I re-do a
> measure and print the number in dmesg (the bogomips in /proc/cpuinfo
> is still the one recalculated, not the one re-mesured).
You're supposed to adjust the new frequency to what you're actually
going to do, not what the user requested. This should ensure that
the recalculated bogomips is correct.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
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