Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Daniel O'Connor
On Thu, 10 Sep 2009, Kurt Jaeger wrote: Any information on what can be done with AMD CPUs with respect to temperature monitoring ? I thought coretemp had be modified in HEAD to support Phenoms but I can't find any evidence of that in SVN so I am not sure what I am thinking.. -- Daniel

Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Erik Trulsson
On Thu, Sep 10, 2009 at 10:13:28PM +0930, Daniel O'Connor wrote: On Thu, 10 Sep 2009, Kurt Jaeger wrote: Any information on what can be done with AMD CPUs with respect to temperature monitoring ? I thought coretemp had be modified in HEAD to support Phenoms but I can't find any evidence

Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Thomas Ronner
Hi, On 10 Sep 2009, at 14:43, Daniel O'Connor wrote: I thought coretemp had be modified in HEAD to support Phenoms but I can't find any evidence of that in SVN so I am not sure what I am thinking.. How about 'k8temp'? # make search name=k8temp Port: k8temp-0.4.0 Path:

Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Kurt Jaeger
Hi! I thought coretemp had be modified in HEAD to support Phenoms but I can't find any evidence of that in SVN so I am not sure what I am thinking.. How about 'k8temp'? /usr/ports/sysutils/k8temp This works, very nice! Thanks! -- p...@opsec.eu+49 171 3101372

Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Bap
Quoting Kurt Jaeger pili...@c0mplx.org: Hi! Any information on what can be done with AMD CPUs with respect to temperature monitoring ? amdtemp(4) ? :-) home$ man amdtemp No manual entry for amdtemp It's on 8.0-BETA4, but I have no amd64 running with that, yet. wise# kldload k8temp

Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Luigi Rizzo
On Thu, Sep 10, 2009 at 03:21:07PM +0200, Kurt Jaeger wrote: Hi! I thought coretemp had be modified in HEAD to support Phenoms but I can't find any evidence of that in SVN so I am not sure what I am thinking.. How about 'k8temp'? /usr/ports/sysutils/k8temp This works, very

Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Daniel O'Connor
On Thu, 10 Sep 2009, Thierry Thomas wrote: 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

Re: Detecting CPU throttling on over temperature

2009-09-10 Thread Jung-uk Kim
On Thursday 10 September 2009 09:37 am, Luigi Rizzo wrote: On Thu, Sep 10, 2009 at 03:21:07PM +0200, Kurt Jaeger wrote: Hi! I thought coretemp had be modified in HEAD to support Phenoms but I can't find any evidence of that in SVN so I am not sure what I am thinking.. How

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Daniel O'Connor
On Wed, 9 Sep 2009, Robert Noland wrote: On Wed, 2009-09-09 at 10:20 +0930, Daniel O'Connor wrote: On Wed, 9 Sep 2009, Ian Smith wrote: 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? Might

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Daniel O'Connor
On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: 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

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Robert Noland
On Wed, 2009-09-09 at 17:47 +0930, Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: I recently discovered a system where the floppy drive cable was intermittently fouling the

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Alexander Motin
Robert Noland wrote: On Wed, 2009-09-09 at 17:47 +0930, Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: I recently discovered a system where the floppy drive cable was intermittently

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Robert Noland
On Wed, 2009-09-09 at 16:16 +0300, Alexander Motin wrote: Robert Noland wrote: On Wed, 2009-09-09 at 17:47 +0930, Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: I recently

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Kurt Jaeger
Hi! [on coretemp module, Alexander Motin m...@freebsd.org wrote:] AFAIR C2D supports three protection technologies. When CPU is hot, it starts reducing frequency (multiplier) and voltage, alike to IEST. If it is insufficient, it starts to skip core cycles, alike to TCC. If it is still

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Andriy Gapon
on 09/09/2009 18:38 Kurt Jaeger said the following: Hi! [on coretemp module, Alexander Motin m...@freebsd.org wrote:] AFAIR C2D supports three protection technologies. When CPU is hot, it starts reducing frequency (multiplier) and voltage, alike to IEST. If it is insufficient, it starts to

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Kurt Jaeger
Hi! Any information on what can be done with AMD CPUs with respect to temperature monitoring ? amdtemp(4) ? :-) home$ man amdtemp No manual entry for amdtemp It's on 8.0-BETA4, but I have no amd64 running with that, yet. -- p...@opsec.eu+49 171 3101372

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Thierry Thomas
Le Mar 8 sep 09 à 14:39:36 +0200, Daniel O'Connor docon...@gsoft.com.au écrivait : 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

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Daniel O'Connor
On Wed, 9 Sep 2009, Robert Noland wrote: I am pretty sure it would be throttling but I think that works by maintaining the frequency but stalling the CPU some percentage of the time. I have p4tcc loaded (in GENERIC) but it doesn't show up, I only get.. Is this a core2duo? IIRC, they

Re: Detecting CPU throttling on over temperature

2009-09-09 Thread Daniel O'Connor
On Wed, 9 Sep 2009, Alexander Motin wrote: around 100C. I did pull the c2d cpu docs at one point trying to look at cpufreq. If you are bored, you can grab the docs from intel and double check. AFAIR C2D supports three protection technologies. When CPU is hot, it starts reducing

Detecting CPU throttling on over temperature

2009-09-08 Thread Daniel O'Connor
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

Re: Detecting CPU throttling on over temperature

2009-09-08 Thread Henrik Friedrichsen
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

Re: Detecting CPU throttling on over temperature

2009-09-08 Thread Alexander Motin
Daniel O'Connor wrote: 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

Re: Detecting CPU throttling on over temperature

2009-09-08 Thread Ian Smith
On Tue, 8 Sep 2009, Henrik Friedrichsen wrote: 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

Re: Detecting CPU throttling on over temperature

2009-09-08 Thread Daniel O'Connor
On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: 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

Re: Detecting CPU throttling on over temperature

2009-09-08 Thread Daniel O'Connor
On Wed, 9 Sep 2009, Ian Smith wrote: 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? Might be easier to hack powerd.c as an existing pretty lightweight way of monitoring CPU freq (to log or signal on

Re: Detecting CPU throttling on over temperature

2009-09-08 Thread Robert Noland
On Wed, 2009-09-09 at 10:20 +0930, Daniel O'Connor wrote: On Wed, 9 Sep 2009, Ian Smith wrote: 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? Might be easier to hack powerd.c as an existing

Re: Detecting CPU throttling on over temperature

2009-09-08 Thread Alexander Motin
Daniel O'Connor wrote: On Wed, 9 Sep 2009, Alexander Motin wrote: Daniel O'Connor wrote: 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