Detecting CPU throttling on over temperature

Henrik Friedrichsen hrkfdn at
Tue Sep 8 14:25:41 UTC 2009

I don't know whether there is a more convenient way, but you could
definitely check the current CPU frequency to detect whether it
changed from the previous one or not. There are several ways to this,
depends on the CPU. You can try messing with cpufreq(4).

On Tue, Sep 8, 2009 at 2:39 PM, Daniel O'Connor<doconnor at> wrote:
> Hi,
> I recently discovered a system where the floppy drive cable was
> intermittently fouling the CPU fan - I believe this caused the CPU to
> overheat and then get throttled by the BIOS.
> Does anyone know if it is possible to determine if this is the case? ie
> is there a way to be informed if throttling has occurred?
> Thanks.
> --
> Daniel O'Connor software and network engineer
> for Genesis Software -
> "The nice thing about standards is that there
> are so many of them to choose from."
>  -- Andrew Tanenbaum
> GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C

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