[Beowulf] bizarre scaling behavior on a Nehalem
rpnabar at gmail.com
Wed Aug 12 11:14:29 PDT 2009
On Wed, Aug 12, 2009 at 1:06 PM, Craig Tierney<Craig.Tierney at noaa.gov> wrote:
> I read there are several different tools to manage the CPU frequency.
> If you are using Centos/Redhat try:
> cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
> Does it list any? If not, that might be why cpufreq-info can't
> find anything.
Thanks again Craig!
No such file or directory
But I distinctly remember several "power performance " options being
listed in the BIOS. It is funny that the governors aren't listed. I am
not sure how I can fix this.
On my older AMD Barcelonas I am used to setting the governor to
"performance" and that way it then does not drop its frequency ever.
More information about the Beowulf