Re: cpufreq on Pentium M

Martin List-Petersen (martin@list-petersen.dk)
Thu, 12 Jun 2003 09:27:04 +0200


Citat Dave Jones <davej@codemonkey.org.uk>:

> On Wed, Jun 11, 2003 at 11:13:26PM -0500, John Goerzen wrote:
>
> > I am running on a Thinkpad T40p laptop, which has a 1.6GHz Intel
> > Pentium M CPU (this is their "Centrino" CPU; *NOT* the same thing as
> > the Pentium 4 M).
>
> Stay tuned. Jeremy Fitzhardinge wrote a driver for centrino style
> speedstep. It's currently getting the kinks worked out on the cpufreq list.
> It should turn up in 2.5 sometime real soon, and at some point, maybe
> someone will backport it.
>
> > While we're at it, I'm concerned that Linux is ignoring the sizable
> > cache available on this platform:
> >
> > $ cat /proc/cpuinfo
> > processor : 0
> > vendor_id : GenuineIntel
> > cpu family : 6
> > model : 9
> > model name : Intel(R) Pentium(R) M processor 1600MHz
> > stepping : 5
> > cpu MHz : 1598.686
> > cache size : 0 KB
>
> Looks like missing cache descriptors. Grab x86info[1] and mail me
> the output of x86info -c
>

Got the same thing here on a Dell Latitude D600

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 9
model name : Intel(R) Pentium(R) M processor 1600MHz
stepping : 5
cpu MHz : 1594.855
cache size : 0 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr mce cx8 sep mtrr pge mca cmov pat clflush dts
acpi mmx fxsr sse sse2 tm
bogomips : 3185.04

x86info will follow (just want to upgrade my kernel first, the thing is on
2.4.21-rc2-ac2 now)

Regards,
Martin List-Petersen
martin at list-petersen dot dk

--
Talkers are no good doers.
		-- William Shakespeare, "Henry VI"
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