Date: Tue, 8 Sep 2009 15:52:47 +0200 From: Henrik Friedrichsen <hrkfdn@gmail.com> To: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Detecting CPU throttling on over temperature Message-ID: <cbbf66600909080652qa6a90cckff95e6d18561be24@mail.gmail.com> In-Reply-To: <200909082209.37454.doconnor@gsoft.com.au> References: <200909082209.37454.doconnor@gsoft.com.au>
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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@gsoft.com.au> wrot= e: > 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 - http://www.gsoft.com.au > "The nice thing about standards is that there > are so many of them to choose from." > =C2=A0-- Andrew Tanenbaum > GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C >
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