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Subject: Re: cpu frequency governor regression (?)
From: Johannes Berg <johannes@sipsolutions.net>
To: Dave Jones <davej@redhat.com>
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Hi,

> bizarre. It should default back to whatever CONFIG_CPU_FREQ_DEFAULT_* opt=
ion
> was set.  (Arguably a bug in itself, as we don't track & restore them
> on resume, so if you changed from the default after booting: splat)

Hah ok, but it's still odd that it changes to a different one.

> Why you're getting the performance governor is puzzling though.
> Can you enable CONFIG_CPU_FREQ_DEBUG=3Dy, and boot with cpufreq.debug=3D7
> and send the log from a transition across hibernate?

Sure. I'll do it tonight and send it tomorrow.

> Also, does /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor=20
> have performance in *all* the cpus?

My four CPUs can only change together so I don't think that is relevant.

johannes

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