From: Benjamin LaHaise <bcrl@lhnet.ca>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Denys Fedoryschenko <denys@visp.net.lb>, netdev@vger.kernel.org
Subject: Re: regression: unregister_netdev() unusably slow
Date: Sun, 24 May 2009 18:12:40 -0400 [thread overview]
Message-ID: <20090524221240.GI24757@kvack.org> (raw)
In-Reply-To: <4A19C50B.9040304@cosmosbay.com>
On Mon, May 25, 2009 at 12:07:07AM +0200, Eric Dumazet wrote:
> Maybe your HZ is too low ? Changing to 1000 HZ helps a lot
HZ is set to 1000. I turned off CONFIG_NO_HZ
> Also your hotplug config might do strange things at device removal ?
If it were CPU bound, maybe, but this behaviour is tied to the kernel
version in use.
> What distro do you use ?
It's an older Fedora 7 install inside kvm on a Fedora 10 host running
2.6.30-rc7.
-ben
next prev parent reply other threads:[~2009-05-24 22:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-24 19:21 regression: unregister_netdev() unusably slow Benjamin LaHaise
2009-05-24 21:23 ` Denys Fedoryschenko
2009-05-24 21:37 ` Benjamin LaHaise
2009-05-24 21:42 ` Eric Dumazet
2009-05-24 21:44 ` Benjamin LaHaise
2009-05-24 22:07 ` Eric Dumazet
2009-05-24 22:12 ` Benjamin LaHaise [this message]
2009-05-24 22:47 ` Eric Dumazet
2009-05-25 0:00 ` Benjamin LaHaise
2009-05-25 5:22 ` Eric Dumazet
2009-05-25 8:04 ` Damien Wyart
2009-05-25 16:21 ` Paul E. McKenney
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