Re: [gentoo-user] Check CPU for throttling

[Helmut Jarausch]

On 05/08/2011 11:21:06 AM, Florian Philipp wrote:

sys-process/atop shows current CPU freqency 
I use it to check the effect of sys-power/powernowd

Helmut.

> Hi list!
>
> Does someone know a tool that measures CPU performance and gives
> live-updates on it?
>
> My problem is as follows:
> I have a desktop PC where the case is too small to include the custom
> CPU cooler with fan. However, because the power supply sits directly
> above the CPU and the CPU cooler is reasonably effective, I've simply
> removed the fan from the CPU cooler and let the fan from the power
> supply act as the CPU fan. This works surprisingly well and usually,
> the
> CPU runs at 50°C.
>
> During tests with app-benchmarks/cpuburn, the CPU got as hot as 74°C.
> According to lm_sensors, this is the threshold for "critical"
> temperature (though I find it a bit low - I've seen CPUs running as
> high
> as 90°C). Therefore I suspect that the CPU gets throttled but I
> cannot
> verify this with cpuburn because this tool does not output
> performance
> figures.
>
> Because of that I'm in a need for a similar tool that also outputs
> FIPS,
> iterations per second or some other figure while running so that I
> can
> monitor it for any performance drops. I guess I could just use
> mencoder
> and watch framerates or I could code something myself but maybe
> someone
> knows a better tool for this.
>
> Thanks in advance!
> Florian Philipp
>
>



-- 
Helmut Jarausch
Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany