On Tue, 23 Dec 2014 21:49:03 +0100, Reiner Herrmann wrote: > >> I'm curious what your scaling_driver is, when you are not using > >> acpi_cpufreq. > > # cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver > > intel_pstate > Looks like the intel_pstate driver doesn't support statistics reporting: > - https://lkml.org/lkml/2013/4/27/64 > - https://lkml.org/lkml/2014/9/9/561
Ah, thanks for these findings. > He also mentions that intel_pstate can be disabled via kernel cmdline, > so that the ACPI driver is used instead. Right, that's what I've seen in other places as well (add intel_pstate=disable to the kernel line). But I guess that's not a viable solution to tell all munin users to set this boot option / to not use the intel_pstate driver. > So it looks like this kind of information will not be available on some > systems. I don't know if there would be something similar available > that munin could use. Me neither. But at least we have a clearer picture now. Thanks for your investigations! (Maybe we should retitle the bug report?) Cheers, gregor -- .''`. Homepage: http://info.comodo.priv.at/ - OpenPGP key 0xBB3A68018649AA06 : :' : Debian GNU/Linux user, admin, and developer - http://www.debian.org/ `. `' Member of VIBE!AT & SPI, fellow of the Free Software Foundation Europe `- NP: Eric Clapton: Nobody Knows You When You're Down & Out
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