From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: Re: Route cache performance under stress Date: Tue, 10 Jun 2003 10:32:34 -0700 (PDT) Sender: netdev-bounce@oss.sgi.com Message-ID: <20030610.103234.116374169.davem@redhat.com> References: <20030610.084940.74727904.davem@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: hadi@shell.cyberus.ca, xerox@foonet.net, sim@netnation.com, fw@deneb.enyo.de, netdev@oss.sgi.com, linux-net@vger.kernel.org Return-path: To: ralph+d@istop.com, ralph@istop.com In-Reply-To: Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org From: Ralph Doncaster Date: Tue, 10 Jun 2003 13:33:01 -0400 (EDT) On Tue, 10 Jun 2003, David S. Miller wrote: > When packet (more specifically, software interrupt) processing > reaches a certain level, we offload the work into process context. That sounds good. Adjust the nice value of the ksoftirqd tasks, that's the only thing available. But your problem has to do with all the PIO accesses, that absolutely kills the machine.