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From: David Morel <david.morel@vates.tech>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel@lists.xenproject.org, xenia.ragiadakou@amd.com,
	andrew.cooper3@citrix.com, "Jan Beulich" <jbeulich@suse.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>,
	"Juergen Gross" <jgross@suse.com>
Subject: Re: AMD EPYC VM to VM performance investigation
Date: Fri, 26 Jan 2024 08:35:45 +0100	[thread overview]
Message-ID: <ZbNg0VHjHM98pPgh@raton> (raw)
In-Reply-To: <ZZ5vkr0Qx0h_iO5D@raton>

On Wed, Jan 10, 2024 at 11:21:06AM, David Morel wrote:
> > I think it might be difficult to triage this if you are working on a
> > Xen/Linux version that is so different from upstream
> I ran some tests on a Xen 4.13.5 with a dom0 in 6.6.10, and on an XCP-ng on
> the same machine, the performances are similar, a few percent better on
> the recent Xen, but still pretty low for such a machine and similar to
> other EPYC we looked at.
I only recently went over my message and realized I typed the XCP-ng
version out of the habit... The test I was talking about was actually on
a Xen 4.17.3, so recent Xen and recent kernel. Sorry about that.


      reply	other threads:[~2024-01-26  7:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-04 15:43 AMD EPYC VM to VM performance investigation David Morel
2024-01-05  0:39 ` Stefano Stabellini
2024-01-05  9:03   ` David Morel
2024-01-10 10:21   ` David Morel
2024-01-26  7:35     ` David Morel [this message]

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