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
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