[Beowulf] Problems with Dell M620 and CPU power throttling

Lux, Jim (337C) james.p.lux at jpl.nasa.gov
Fri Aug 30 10:54:29 PDT 2013



Jim Lux


-----Original Message-----
From: beowulf-bounces at beowulf.org [mailto:beowulf-bounces at beowulf.org] On Behalf Of Mark Hahn
Sent: Friday, August 30, 2013 10:48 AM
To: Bill Wichser
Cc: beowulf at beowulf.org
Subject: Re: [Beowulf] Problems with Dell M620 and CPU power throttling

> [root at r2c3n4 thermal_throttle]# ls
> core_power_limit_count  core_throttle_count  package_power_limit_count 
> package_throttle_count
> [root at r2c3n4 thermal_throttle]# cat *
> 18781048
> 0
> 18781097
> 0
>
> This was what led us to how the chassis was limiting power.  We had 
> been

I don't mean to be pedantic, but to me, this is the cpu throttling itself, based on its own temperature readings and power rating.  the coretemp module, from its modinfo, seems to be purely on-chip.






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