From: Jarek Poplawski <jarkao2@gmail.com>
To: Denys Fedoryshchenko <denys@visp.net.lb>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: loaded router, excessive getnstimeofday in oprofile
Date: Tue, 26 Aug 2008 11:15:45 +0000 [thread overview]
Message-ID: <20080826111545.GD2609@ff.dom.local> (raw)
In-Reply-To: <20080826110746.GC2609@ff.dom.local>
On Tue, Aug 26, 2008 at 11:07:46AM +0000, Jarek Poplawski wrote:
> On Tue, Aug 26, 2008 at 01:49:09PM +0300, Denys Fedoryshchenko wrote:
...
> > Maybe it can be optional, and enabled via kernel parameter and /sys , so it
> > can be useful in case of crashes when TSC used and when timer is too slow.
> > Because it is not so useful just to disable hrtimers completely, if you need
> > them for some other task...
>
> Maybe it could be enough to use current parameters like: "highres=off"
> according to Documentation/kernel-parameters.txt?
Hmm.. it isn't actually answer to your question, sorry. As I said
before I think we need to have more people interested in using such
additional options, and btw. I understood from your message that
disabling htb didn't solve the problem?
Jarek P.
next prev parent reply other threads:[~2008-08-26 11:16 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-22 1:57 loaded router, excessive getnstimeofday in oprofile Denys Fedoryshchenko
2008-08-22 2:23 ` Denys Fedoryshchenko
2008-08-26 9:51 ` Jarek Poplawski
2008-08-26 10:29 ` Denys Fedoryshchenko
2008-08-26 10:47 ` Jarek Poplawski
2008-08-26 10:49 ` Denys Fedoryshchenko
2008-08-26 11:07 ` Jarek Poplawski
2008-08-26 11:15 ` Jarek Poplawski [this message]
2008-08-26 11:16 ` Denys Fedoryshchenko
2008-08-26 11:32 ` Jarek Poplawski
2008-08-26 11:32 ` Denys Fedoryshchenko
2008-08-26 20:14 ` Evgeniy Polyakov
2008-08-26 20:44 ` Eric Dumazet
2008-08-26 20:51 ` Evgeniy Polyakov
2008-08-27 12:09 ` Denys Fedoryshchenko
2008-08-27 12:36 ` Evgeniy Polyakov
2008-08-27 14:00 ` Denys Fedoryshchenko
2008-08-27 14:23 ` Evgeniy Polyakov
2008-08-27 12:54 ` Andi Kleen
2008-08-27 16:07 ` Rick Jones
2008-08-27 16:27 ` Andi Kleen
2008-08-27 16:49 ` Rick Jones
2008-08-27 16:56 ` Andi Kleen
2008-08-27 16:57 ` Rick Jones
2008-08-27 17:27 ` Eric Dumazet
2008-08-27 18:32 ` loaded router, excessive getnstimeofday in oprofile\ Andi Kleen
2008-08-27 22:23 ` David Miller
2008-08-27 22:38 ` Andi Kleen
2008-08-27 22:18 ` loaded router, excessive getnstimeofday in oprofile David Miller
2008-08-27 22:39 ` Andi Kleen
2008-08-28 0:45 ` Nick Piggin
2008-08-28 0:48 ` David Miller
2008-08-28 1:07 ` Nick Piggin
2008-08-27 16:17 ` Stephen Hemminger
2008-08-27 17:14 ` Jarek Poplawski
2008-08-27 21:34 ` David Miller
2008-08-28 2:39 ` Jason Uhlenkott
2008-08-28 3:10 ` David Miller
2008-08-28 6:28 ` Joe Malicki
2008-08-28 7:22 ` Andi Kleen
2008-08-28 15:02 ` Denys Fedoryshchenko
2008-08-28 19:01 ` Ilpo Järvinen
2008-08-28 19:31 ` David Miller
2008-08-28 16:48 ` Denys Fedoryshchenko
2008-08-28 16:56 ` Andi Kleen
2008-08-28 18:57 ` Eric Dumazet
2008-08-28 19:25 ` Denys Fedoryshchenko
2008-08-28 19:37 ` Eric Dumazet
2008-08-28 19:55 ` Denys Fedoryshchenko
2008-08-29 15:43 ` Stephen Hemminger
2008-08-28 19:36 ` David Miller
2008-08-28 19:59 ` Denys Fedoryshchenko
2008-08-29 15:21 ` Joe Malicki
2008-08-29 15:30 ` Andi Kleen
2008-08-29 15:43 ` Joe Malicki
2008-08-29 20:43 ` Evgeniy Polyakov
2008-08-28 18:00 ` Rick Jones
2008-08-28 19:42 ` David Miller
2008-08-28 20:29 ` Rick Jones
2008-08-28 20:32 ` David Miller
2008-08-28 20:45 ` Rick Jones
2008-08-28 20:47 ` David Miller
2008-09-01 2:39 ` Valdis.Kletnieks
2008-09-01 3:51 ` David Miller
2008-09-01 4:08 ` Valdis.Kletnieks
2008-09-01 4:10 ` David Miller
2008-09-02 17:04 ` Rick Jones
2008-08-28 3:35 ` Stephen Hemminger
2008-08-28 8:49 ` Denys Fedoryshchenko
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