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Re: High contention on the sk_buff_head.lock

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From: Andi Kleen
Subject: Re: High contention on the sk_buff_head.lock
Date: Thursday, March 19, 2009 - 6:45 am

> Do we have to rule-out per-CPU queues, that aggregate into a master

TSO/GSO/USO is that actually in a very specific way. It batches
packets into larger packets and then less per packet locks need to be taken.  
It was unclear if that was used in this workload or not.

-Andi
-- 
ak@linux.intel.com -- Speaking for myself only.
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Messages in current thread:
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 6:17 pm)
Re: High contention on the sk_buff_head.lock, Sven-Thorsten Dietrich, (Wed Mar 18, 6:43 pm)
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 6:54 pm)
Re: High contention on the sk_buff_head.lock, Eric Dumazet, (Wed Mar 18, 10:49 pm)
Re: High contention on the sk_buff_head.lock, David Miller, (Wed Mar 18, 10:58 pm)
Re: High contention on the sk_buff_head.lock, Andi Kleen, (Thu Mar 19, 6:45 am)
[PATCH] net: reorder struct Qdisc for better SMP performance, Eric Dumazet, (Thu Mar 19, 7:04 am)
Re: [PATCH] net: reorder struct Qdisc for better SMP perfo ..., David Miller, (Fri Mar 20, 1:33 am)