From: "Anders K. Pedersen" <akp@cohaesio.com>
To: Dave McCracken <dcm@mccr.org>, linux-kernel@vger.kernel.org
Subject: Re: [benchmark] 1% performance overhead of paravirt_ops on native kernels
Date: Sat, 06 Jun 2009 20:54:26 +0200 [thread overview]
Message-ID: <4A2ABB62.6080705@cohaesio.com> (raw)
In-Reply-To: <200906041652.55298.dcm@mccr.org>
Dave McCracken wrote:
> What I see as the message of his benchmark is if you care about performance
> you should be customizing your kernel anyway. Distro kernels are slow. An
> option that makes the distro kernel a bit slower is no big deal since anyone
> who wants speed should already be rebuilding their kernel.
And Oracle of course supports customers doing that?
Not in my experience, and the same goes for most other commercial
enterprise software on Linux as well, so customers have to stick to
distro kernels, if they want support.
Regards,
Anders K. Pedersen
next prev parent reply other threads:[~2009-06-06 19:00 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-14 0:16 Performance overhead of paravirt_ops on native identified Jeremy Fitzhardinge
2009-05-14 0:16 ` Jeremy Fitzhardinge
2009-05-14 1:10 ` H. Peter Anvin
2009-05-14 1:10 ` H. Peter Anvin
2009-05-14 8:25 ` Peter Zijlstra
2009-05-14 8:25 ` Peter Zijlstra
2009-05-14 14:05 ` H. Peter Anvin
2009-05-14 14:05 ` H. Peter Anvin
2009-05-14 17:36 ` Jeremy Fitzhardinge
2009-05-14 17:36 ` Jeremy Fitzhardinge
2009-05-14 17:50 ` H. Peter Anvin
2009-05-14 17:50 ` H. Peter Anvin
2009-05-14 8:05 ` [Xen-devel] Performance overhead of paravirt_ops on nativeidentified Jan Beulich
2009-05-14 8:05 ` Jan Beulich
2009-05-14 8:33 ` [Xen-devel] " Peter Zijlstra
2009-05-14 17:45 ` Jeremy Fitzhardinge
2009-05-14 17:45 ` Jeremy Fitzhardinge
2009-05-15 8:10 ` [Xen-devel] " Jan Beulich
2009-05-15 18:50 ` Jeremy Fitzhardinge
2009-05-18 7:19 ` Jan Beulich
2009-05-18 7:19 ` Jan Beulich
2009-05-20 22:42 ` [Xen-devel] " Jeremy Fitzhardinge
2009-05-20 22:42 ` Jeremy Fitzhardinge
2009-05-15 18:18 ` [tip:x86/urgent] x86: Fix performance regression caused by paravirt_ops on native kernels tip-bot for Jeremy Fitzhardinge
2009-05-15 18:18 ` tip-bot for Jeremy Fitzhardinge
2009-05-21 22:42 ` Performance overhead of paravirt_ops on native identified Chuck Ebbert
2009-05-21 22:48 ` Jeremy Fitzhardinge
2009-05-21 22:48 ` Jeremy Fitzhardinge
2009-05-21 23:10 ` H. Peter Anvin
2009-05-21 23:10 ` H. Peter Anvin
2009-05-22 1:26 ` Xin, Xiaohui
2009-05-22 1:26 ` Xin, Xiaohui
2009-05-22 3:39 ` H. Peter Anvin
2009-05-22 3:39 ` H. Peter Anvin
2009-05-22 4:27 ` Jeremy Fitzhardinge
2009-05-22 4:27 ` Jeremy Fitzhardinge
2009-05-22 5:59 ` Xin, Xiaohui
2009-05-22 5:59 ` Xin, Xiaohui
2009-05-22 16:33 ` H. Peter Anvin
2009-05-22 16:33 ` H. Peter Anvin
2009-05-22 22:44 ` Jeremy Fitzhardinge
2009-05-22 22:44 ` Jeremy Fitzhardinge
2009-05-22 22:47 ` H. Peter Anvin
2009-05-22 22:47 ` H. Peter Anvin
2009-05-25 9:15 ` [benchmark] 1% performance overhead of paravirt_ops on native kernels Ingo Molnar
2009-05-26 18:42 ` Jeremy Fitzhardinge
2009-05-28 6:17 ` Nick Piggin
2009-05-28 20:57 ` Jeremy Fitzhardinge
2009-05-30 10:23 ` Ingo Molnar
2009-06-02 14:18 ` Chris Mason
2009-06-02 14:49 ` Ulrich Drepper
2009-06-02 15:03 ` Chris Mason
2009-06-02 15:22 ` Ulrich Drepper
2009-06-02 16:20 ` Chris Mason
2009-06-02 18:13 ` Pekka Enberg
2009-06-02 18:06 ` Pekka Enberg
2009-06-02 18:27 ` Chris Mason
2009-06-03 6:33 ` Jeremy Fitzhardinge
2009-06-02 19:14 ` Thomas Gleixner
2009-06-02 19:51 ` Chris Mason
2009-06-03 12:38 ` Rusty Russell
2009-06-03 16:09 ` Linus Torvalds
[not found] ` <200906041554.37102.rusty@rustcorp.com.au>
2009-06-04 15:02 ` Linus Torvalds
2009-06-04 21:52 ` Dave McCracken
2009-06-05 7:31 ` Gerd Hoffmann
2009-06-05 14:31 ` Rusty Russell
2009-06-06 18:54 ` Anders K. Pedersen [this message]
2009-06-05 4:46 ` Rusty Russell
2009-06-05 14:54 ` Linus Torvalds
2009-06-07 0:53 ` Rusty Russell
2009-06-08 14:53 ` Linus Torvalds
2009-06-09 9:39 ` Nick Piggin
2009-06-09 11:17 ` Ingo Molnar
2009-06-09 12:10 ` Nick Piggin
2009-06-09 12:25 ` Ingo Molnar
2009-06-09 12:42 ` Nick Piggin
2009-06-09 12:56 ` Avi Kivity
2009-06-09 15:18 ` Linus Torvalds
2009-06-09 23:33 ` Paul Mackerras
2009-06-10 1:26 ` Ingo Molnar
2009-06-09 15:07 ` Linus Torvalds
2009-06-09 15:09 ` H. Peter Anvin
2009-06-09 18:06 ` Linus Torvalds
2009-06-09 18:07 ` Linus Torvalds
2009-06-09 22:48 ` Matthew Garrett
2009-06-09 22:54 ` H. Peter Anvin
2009-06-09 14:54 ` Linus Torvalds
2009-06-09 14:57 ` Ingo Molnar
2009-06-09 15:55 ` Avi Kivity
2009-06-09 15:38 ` Nick Piggin
2009-06-09 16:00 ` Linus Torvalds
2009-06-09 16:21 ` Nick Piggin
2009-06-09 16:26 ` Linus Torvalds
2009-06-09 16:45 ` Nick Piggin
2009-06-09 17:08 ` Linus Torvalds
2009-06-10 5:53 ` Nick Piggin
2009-06-17 9:40 ` Pavel Machek
2009-06-17 9:56 ` Nick Piggin
2009-06-10 6:29 ` Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2009-06-04 6:58 Rusty Russell
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