linux-kernel - Re: loaded router, excessive getnstimeofday in oprofile

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Message-ID: <20080826111545.GD2609@ff.dom.local>
Date:	Tue, 26 Aug 2008 11:15:45 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Denys Fedoryshchenko <denys@...p.net.lb>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: loaded router, excessive getnstimeofday in oprofile

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.
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