Re: FC5 Intel Core Duo only at 1GHz

[Dave Jones <davej redhat com>]

On Fri, May 05, 2006 at 08:02:29PM -0400, Peter Arremann wrote:
 > On Friday 05 May 2006 19:49, Simon wrote:
 > > Hi There,
 > >
 > > Im running FC5 on a Toshiba Tecra A6 with an Intel Core Duo T2300  @
 > > 1.66GHz. But /proc/cpuinfo only shows the CPU(s) running at 1000Mhz...
 > > Any ideas here?
 > >
 > > Simon
 > 
 > probably power management. Under light loads it automatically scales down your 
 > cpu clock to preserve energy and make sure the noisy fan doesn't kick in. 
 > 
 > In /sys/devices/system/cpu/cpu0/cpufreq you will find some files about the cpu 
 > frequency. cpuinfo_max_freq should be the 1.66 Ghz. You can change the 
 > governer in scaling_governor (just echo performance > scaling_governor) so 
 > change the content. You can also play with the cpuspeed daemon 
 > (/etc/cpuspeed.conf) to change the settings.

There's also a handy gnome applet.  (right-click panel, click 'add to panel',
it's called 'cpu frequency monitor' or similar.)

		Dave

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