cpuinfo wrong report ?

Net Llama! netllama
Tue Jan 30 09:21:38 PST 2007


On Tue, 30 Jan 2007, Vu Pham wrote:
> I am playing some settings of the new motherboard.
>
> When I change the clock multiplier, /proc/cpuinfo does show the change
> of CPU Mhz accordingly and shows the same value that the motherboard
> shows ( 3.2Ghz )
>
> But when I change ( increase ) the host clock, the cpuinfo shows the cpu
> mhz dropped dramtically : 600 Mhz ( less than 1Ghz ) instead of 3.54
> Ghz.

Sorry, no clue.  THis sounds like a bug somewhere.

>
> In both cases, the bpgomips values increase as expected.
>
> Is it a bug ?
>
>
> The second question: this Intel CPU will run at lower clock  ( 1.6 Ghz )
> when there is little load and moves to a higher (3.2Ghz) when there is
> more load. Is there any kernel settings that can keep the cpu always at
> high frequency clock ?

Disable CPU frequency scaling (in the BIOS and/or kernel).

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J Friedman                        netllama at linux-sxs.org
LlamaLand				http://netllama.linux-sxs.org



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