[CentOS] Intel turbo mode

Mon Oct 2 14:54:38 UTC 2017
Stephen John Smoogen <smooge at gmail.com>

On 1 October 2017 at 11:34, hw <hw at adminart.net> wrote:
> Hi,
>
> is there a way in Centos to find out if the Intel turbo mode will be
> used?
>
> Using the 'stress' utility and checking the frequency with cpupower
> tells me that a CPU is running at it´s maximum frequency as reported by
> cpupower --- and this frequency is less than the frequency it would run
> at if it used the turbo mode.  All the other CPUs are at their minimum
> frequency.  I have verified that turbo mode is enabled in the BIOS.
>
> Is cpupower unable to report frequencies used in turbo mode despite it
> always says it gets its information from the hardware?
>

It would seem that there are multiple ways to get the information you
are looking for. I expect you have seen this already

https://haypo.github.io/intel-cpus.html

but I figured I would pass it on for others. They found that cpupower
is less reliable in how it reports the data because of the values it
gets them from.

>
> --
> "Didn't work" is an error.
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos



-- 
Stephen J Smoogen.