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Re: High contention on the sk_buff_head.lock

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From: David Miller
Subject: Re: High contention on the sk_buff_head.lock
Date: Wednesday, March 18, 2009 - 2:03 pm

From: Andi Kleen <andi@firstfloor.org>
Date: Wed, 18 Mar 2009 21:54:37 +0100


The list of problems that only show up with the RT kernel seems to be
constantly increasing, but honestly is very surprising to me.

I don't understand why we even need to be concerned about this stuff
upstream, to be honest.

Please reproduce this in the vanilla kernel, then get back to us.
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Messages in current thread:
High contention on the sk_buff_head.lock, Vernon Mauery, (Wed Mar 18, 10:24 am)
Re: High contention on the sk_buff_head.lock, Eric Dumazet, (Wed Mar 18, 12:07 pm)
Re: High contention on the sk_buff_head.lock, Vernon Mauery, (Wed Mar 18, 1:17 pm)
Re: High contention on the sk_buff_head.lock, Andi Kleen, (Wed Mar 18, 1:54 pm)
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 2:03 pm)
Re: High contention on the sk_buff_head.lock, Vernon Mauery, (Wed Mar 18, 2:07 pm)
Re: High contention on the sk_buff_head.lock, Vernon Mauery, (Wed Mar 18, 2:10 pm)
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 2:38 pm)
Re: High contention on the sk_buff_head.lock, Eilon Greenstein, (Wed Mar 18, 2:45 pm)
Re: High contention on the sk_buff_head.lock, Vernon Mauery, (Wed Mar 18, 2:49 pm)
Re: High contention on the sk_buff_head.lock, Vernon Mauery, (Wed Mar 18, 2:51 pm)
Re: High contention on the sk_buff_head.lock, Gregory Haskins, (Wed Mar 18, 2:54 pm)
Re: High contention on the sk_buff_head.lock, Andi Kleen, (Wed Mar 18, 2:59 pm)
Re: High contention on the sk_buff_head.lock, Rick Jones, (Wed Mar 18, 3:19 pm)
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 6:02 pm)
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 6:03 pm)
Re: High contention on the sk_buff_head.lock, Sven-Thorsten Dietrich, (Wed Mar 18, 6:13 pm)
Re: High contention on the sk_buff_head.lock, Gregory Haskins, (Wed Mar 18, 8:48 pm)
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 10:38 pm)
Re: High contention on the sk_buff_head.lock, Evgeniy Polyakov, (Thu Mar 19, 12:15 am)
Re: High contention on the sk_buff_head.lock, Gregory Haskins, (Thu Mar 19, 5:42 am)
Re: High contention on the sk_buff_head.lock, Peter W. Morreale, (Thu Mar 19, 5:50 am)
Re: High contention on the sk_buff_head.lock, Peter W. Morreale, (Thu Mar 19, 5:59 am)
Re: High contention on the sk_buff_head.lock, Peter W. Morreale, (Thu Mar 19, 6:36 am)
Re: High contention on the sk_buff_head.lock, Andi Kleen, (Thu Mar 19, 6:46 am)
Re: High contention on the sk_buff_head.lock, David Miller, (Thu Mar 19, 1:52 pm)
Re: High contention on the sk_buff_head.lock, Jarek Poplawski, (Fri Mar 20, 4:29 pm)
Re: High contention on the sk_buff_head.lock, Eric Dumazet, (Mon Mar 23, 1:32 am)
Re: High contention on the sk_buff_head.lock, David Miller, (Mon Mar 23, 1:37 am)
Re: High contention on the sk_buff_head.lock, Jarek Poplawski, (Mon Mar 23, 1:50 am)
Re: High contention on the sk_buff_head.lock, Herbert Xu, (Thu Apr 2, 7:13 am)
Re: High contention on the sk_buff_head.lock, Herbert Xu, (Thu Apr 2, 7:15 am)