From: Konrad Rzeszutek Wilk <konrad@kernel.org>
To: James Dingwall <james@dingwall.me.uk>
Cc: xen-devel@lists.xen.org
Subject: Re: [james-xen@dingwall.me.uk: [Xen-users] Xen 4.2.0 - CPU Frequency Scaling]
Date: Tue, 2 Oct 2012 15:08:39 -0400 [thread overview]
Message-ID: <CACJDEmpQBpAsxR9WTFGG-52T-0UXJpTprf_rAwC_6JiiHHt6vg@mail.gmail.com> (raw)
In-Reply-To: <3d2b4499921255b00c1844a133efeb93@imap.dingwall.me.uk>
>>
>> What exactly are you trying to manage? As in what are you doing?
>
> What I was trying to achieve was 2 vcpus assigned and pinned to dom0 with
> the remaining available for domUs. I wanted to set the scaling governor as
> performance for the dom0 vcpus and ondemand for domUs.
>
> It was an obvious test to change dom0_max_vcpus and I should have done it
> before. On removing the parameter so that all cpus were seen in dom0 I could
> control the power state of them all independently. Reinstating the
> parameter with value of n showed that cpu 1 - (n-1) could be controlled
> independently while cpus 0 and n-11 were grouped together.
And this behavior existed with the old kernel? Or was this something
you were trying to do now?
next prev parent reply other threads:[~2012-10-02 19:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-30 16:13 [james-xen@dingwall.me.uk: [Xen-users] Xen 4.2.0 - CPU Frequency Scaling] James Dingwall
2012-10-01 16:33 ` Konrad Rzeszutek Wilk
2012-10-01 20:27 ` James Dingwall
2012-10-02 19:08 ` Konrad Rzeszutek Wilk [this message]
2012-10-02 21:30 ` James Dingwall
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