From: Andrew Morton <akpm@osdl.org>
To: Auke Kok <auke-jan.h.kok@intel.com>
Cc: linux-kernel@vger.kernel.org, jesse.brandeburg@intel.com,
john.ronciak@intel.com, auke-jan.h.kok@intel.com,
netdev@vger.kernel.org, arjan@linux.intel.com
Subject: Re: [RFC] irqbalance: Mark in-kernel irqbalance as obsolete, set to N by default
Date: Thu, 3 Aug 2006 19:45:50 -0700 [thread overview]
Message-ID: <20060803194550.9ff31bc1.akpm@osdl.org> (raw)
In-Reply-To: <44CE3F5E.4010305@intel.com>
On Mon, 31 Jul 2006 10:35:26 -0700
Auke Kok <auke-jan.h.kok@intel.com> wrote:
> We've recently seen a number of user bug reports against e1000 that the
> in-kernel irqbalance code is detrimental to network latency. The algorithm
> keeps swapping irq's for NICs from cpu to cpu causing extremely high network
> latency (>1000ms).
What kernel versions? Some IRQ balancer fixes went in shortly after 2.6.17.
It would be better if poss to fix the balancer rather than deprecating it.
next prev parent reply other threads:[~2006-08-04 2:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-31 17:35 [RFC] irqbalance: Mark in-kernel irqbalance as obsolete, set to N by default Auke Kok
2006-08-04 2:45 ` Andrew Morton [this message]
2006-08-04 14:25 ` Auke Kok
2006-08-04 14:36 ` Arjan van de Ven
[not found] <6EJUl-4br-13@gated-at.bofh.it>
[not found] ` <6FXVd-1Gl-11@gated-at.bofh.it>
[not found] ` <6G9jL-1Yg-41@gated-at.bofh.it>
2006-08-04 21:48 ` Bodo Eggert
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