From: Dario Faggioli <dario.faggioli@citrix.com>
To: Simon Martin <furryfuttock@gmail.com>
Cc: Ian Campbell <Ian.Campbell@citrix.com>, xen-devel@lists.xen.org
Subject: Re: Strange interdependace between domains
Date: Thu, 13 Feb 2014 18:39:38 +0100 [thread overview]
Message-ID: <1392313178.32038.115.camel@Solace> (raw)
In-Reply-To: <133818465.20140213172819@gmail.com>
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On gio, 2014-02-13 at 17:28 +0000, Simon Martin wrote:
> > On Thu, 2014-02-13 at 16:56 +0000, Simon Martin wrote:
> > Is core 3 actual a hyperthread -- IOW it is sharing processor execution
> > resources with e.g. core 2. Or shared L2 caches etc.
>
> > Ian.
>
> Thanks Ian. Very good point. It is a hyperthread. I will reconfigure
> tomorrow, retest and let you know, but that make sense.
>
It does indeed make sense (much more than what I was saying,
probably :-D)...
Make sure you leave the sibling thread of the one where you pin the vcpu
of your domain completely free (by pinning the other domains' vcpus
everywhere but there), and yes, let us know if that change the results.
Regards,
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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next prev parent reply other threads:[~2014-02-13 17:39 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-13 16:56 Strange interdependace between domains Simon Martin
2014-02-13 17:07 ` Ian Campbell
2014-02-13 17:28 ` Simon Martin
2014-02-13 17:39 ` Dario Faggioli [this message]
2014-02-13 17:36 ` Dario Faggioli
2014-02-13 20:47 ` Nate Studer
2014-02-13 22:25 ` Simon Martin
2014-02-13 23:13 ` Dario Faggioli
2014-02-14 10:26 ` Don Slutz
2014-02-14 12:02 ` Simon Martin
2014-02-14 13:26 ` Andrew Cooper
2014-02-14 17:21 ` Dario Faggioli
2014-02-17 12:46 ` Simon Martin
2014-02-18 16:55 ` Dario Faggioli
2014-02-18 17:58 ` Don Slutz
2014-02-18 18:06 ` Dario Faggioli
2014-02-20 6:07 ` Juergen Gross
2014-02-20 18:22 ` Dario Faggioli
2014-02-21 6:31 ` Juergen Gross
2014-02-21 17:24 ` Dario Faggioli
2014-02-24 9:25 ` Juergen Gross
2014-02-17 13:19 ` Juergen Gross
2014-02-17 15:08 ` Dario Faggioli
2014-02-18 5:31 ` Juergen Gross
2014-02-17 14:13 ` Nate Studer
2014-02-18 16:47 ` Dario Faggioli
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