From: Len Brown <lenb@kernel.org>
To: cpufreq@lists.linux.org.uk
Subject: Re: ondemand: cpu load calculation with kernel processus
Date: Thu, 31 May 2007 20:57:45 -0400 [thread overview]
Message-ID: <200705312057.45963.lenb@kernel.org> (raw)
In-Reply-To: <20070531165744.4bf6e18b@localhost.localdomain>
On Thursday 31 May 2007 17:57, Nicolas Capit wrote:
> Hello,
>
> I am running a Debian unstable with a kernel 2.6.21-1-686 and using
> modules powernow_k8 and cpufreq_ondemand.
>
> My configuration with the ondemand governor seems to work very well
> except when my cpu is busy by the kernel processus kcryptd. The cpu is
> 100% busy but the frequency is not increased.
> (I am using the module dm_crypt to encrypt my home filesystem)
>
> So my question is:
> Does the ondemand governor calculate the load of the machine with user
> level and *kernel* level processus?
both user and kernel time should count as busy time.
do the cpu stats exposed by top show that you have idle time available?
-Len
next prev parent reply other threads:[~2007-06-01 0:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-31 21:57 ondemand: cpu load calculation with kernel processus Nicolas Capit
2007-06-01 0:57 ` Len Brown [this message]
2007-06-01 1:57 ` Nicolas Capit
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