From: Nick Piggin <nickpiggin@yahoo.com.au>
To: David Miller <davem@davemloft.net>
Cc: clameter@sgi.com, netdev@vger.kernel.org,
herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org
Subject: Re: 2.6.24-rc2: Network commit causes SLUB performance regression with tbench
Date: Wed, 14 Nov 2007 09:55:03 +1100 [thread overview]
Message-ID: <200711140955.03989.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <200711140927.39796.nickpiggin@yahoo.com.au>
On Wednesday 14 November 2007 09:27, Nick Piggin wrote:
> > 2) Try removing NETIF_F_SG in drivers/net/loopback.c's dev->feastures
> > setting.
>
> Will try that now.
Doesn't help (with vanilla kernel -- Herbert's patch applied).
data_len histogram drops to 0 and goes to len (I guess that's not
surprising).
Performance is pretty similar (ie. not good).
I'll look at allocator patterns next.
next prev parent reply other threads:[~2007-11-14 11:03 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-09 12:36 2.6.24-rc2 slab vs slob tbench numbers Nick Piggin
2007-11-09 15:15 ` Christoph Lameter
2007-11-09 17:49 ` Christoph Lameter
2007-11-09 23:46 ` 2.6.24-rc2: Network commit causes SLUB performance regression with tbench Christoph Lameter
2007-11-10 1:29 ` Nick Piggin
2007-11-10 3:28 ` Nick Piggin
2007-11-12 19:44 ` Christoph Lameter
2007-11-13 11:41 ` Nick Piggin
2007-11-14 1:58 ` David Miller
2007-11-13 17:36 ` Nick Piggin
2007-11-14 6:12 ` David Miller
2007-11-13 18:14 ` Nick Piggin
2007-11-14 6:37 ` David Miller
2007-11-13 22:27 ` Nick Piggin
2007-11-13 22:55 ` Nick Piggin [this message]
2007-11-14 11:10 ` David Miller
2007-11-13 23:39 ` Nick Piggin
2007-11-14 11:48 ` Herbert Xu
2007-11-14 0:02 ` Nick Piggin
2007-11-14 12:10 ` David Miller
2007-11-14 18:33 ` Christoph Lameter
2007-11-14 23:46 ` David Miller
2007-11-15 0:21 ` Nick Piggin
2007-11-15 0:27 ` David Miller
2007-11-15 1:03 ` Christoph Lameter
2007-11-15 1:11 ` Herbert Xu
2007-11-15 1:47 ` Nick Piggin
2007-11-12 20:13 ` 2.6.24-rc2 slab vs slob tbench numbers Matt Mackall
2007-11-13 11:44 ` Nick Piggin
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=200711140955.03989.nickpiggin@yahoo.com.au \
--to=nickpiggin@yahoo.com.au \
--cc=clameter@sgi.com \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--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.