From: Andreas Kinzler <ml-xen-devel@hfp.de>
To: David Vrabel <dvrabel@cantab.net>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
xen-devel@lists.xensource.com,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Poor performance with Linux 3.x as dom0
Date: Wed, 02 May 2012 19:01:41 +0200 [thread overview]
Message-ID: <4FA16875.5020801@hfp.de> (raw)
In-Reply-To: <4FA13708.4050202@cantab.net>
On 02.05.2012 15:30, David Vrabel wrote:
> Can you apply 7eb7ce4d2e8991aff4ecb71a81949a907ca755ac "xen: correctly
> check for pending events when restoring irq flags"[1] and see how much
> it helps?
There is some minor improvement - but it is still far away from xenified
2.6.34.10.
time emerge apache:
3.2.12-dom0 3.3.4-dom0 (w. patch) 2.6.34.10-dom0
real 1m0.560s 0m59.971s (0m58.029s) 0m47.689s
user 0m40.939s 0m40.619s (0m40.291s) 0m41.355s
sys 0m18.865s 0m18.305s (0m16.837s) 0m11.441s
time make -j4 (3.2.12 linux compile):
3.2.12-dom0 3.3.4-dom0 (w. patch) 2.6.34.10-dom0
real 5m8.793s 5m4.888s (5m1.408s) 4m20.576s
user 8m1.746s 7m59.726s (7m57.534s) 7m10.375s
sys 1m39.010s 1m32.994s (1m29.518s) 0m56.304s
Regards Andreas
next prev parent reply other threads:[~2012-05-02 17:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-02 13:11 Poor performance with Linux 3.x as dom0 Andreas Kinzler
2012-05-02 13:30 ` David Vrabel
2012-05-02 17:01 ` Andreas Kinzler [this message]
2012-05-03 8:32 ` George Dunlap
2012-05-03 10:46 ` Andreas Kinzler
2012-05-02 13:31 ` Ian Campbell
2012-05-03 10:43 ` Andreas Kinzler
2012-05-03 10:51 ` Ian Campbell
2012-05-07 19:48 ` Konrad Rzeszutek Wilk
2012-05-18 16:39 ` Andreas Kinzler
2012-05-03 11:33 ` Stefano Stabellini
2012-05-03 11:31 ` Stefano Stabellini
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