From: Stephen Hemminger <shemminger@vyatta.com>
To: David Miller <davem@davemloft.net>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] net: increase receive packet quantum
Date: Mon, 3 Nov 2008 21:25:21 -0800 [thread overview]
Message-ID: <20081103212521.15e12168@extreme> (raw)
In-Reply-To: <20081103.172428.154364341.davem@davemloft.net>
On Mon, 03 Nov 2008 17:24:28 -0800 (PST)
David Miller <davem@davemloft.net> wrote:
> From: Stephen Hemminger <shemminger@vyatta.com>
> Date: Mon, 3 Nov 2008 13:03:03 -0800
>
> > This patch gets about 1.25% back on tbench regression.
> >
> > My change to NAPI for multiqueue support changed the time limit on
> > network receive processing. Under sustained loads like tbench, this
> > can cause the receiver to reschedule prematurely.
> >
> > Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
>
> I think I'm the guilty party that made that change to your
> NAPI patches.
>
> I'll apply this to net-next-2.6, thanks Stephen.
Maybe you want it as part of the tbench regression recovery in 2.6.28?
it seems mostly harmless.
next prev parent reply other threads:[~2008-11-04 5:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 21:03 [PATCH] net: increase receive packet quantum Stephen Hemminger
2008-11-04 1:24 ` David Miller
2008-11-04 5:25 ` Stephen Hemminger [this message]
2008-11-04 22:48 ` David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20081103212521.15e12168@extreme \
--to=shemminger@vyatta.com \
--cc=davem@davemloft.net \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.