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From: David Miller <davem@davemloft.net>
To: alexander.h.duyck@intel.com
Cc: netdev@vger.kernel.org
Subject: Re: [RFC PATCH] net: add additional lock to qdisc to increase enqueue/dequeue fairness
Date: Tue, 23 Mar 2010 13:31:24 -0700 (PDT)	[thread overview]
Message-ID: <20100323.133124.139557595.davem@davemloft.net> (raw)
In-Reply-To: <20100323202553.21598.10754.stgit@gitlad.jf.intel.com>

From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Tue, 23 Mar 2010 13:25:53 -0700

> The qdisc layer shows a significant issue when you start transmitting from
> multiple CPUs.

Why are you hitting any central qdisc lock on a multiqueue
configuration?

  reply	other threads:[~2010-03-23 20:31 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-23 20:25 [RFC PATCH] net: add additional lock to qdisc to increase enqueue/dequeue fairness Alexander Duyck
2010-03-23 20:31 ` David Miller [this message]
2010-03-24  2:12   ` Andi Kleen
2010-03-23 20:40 ` Rick Jones
2010-03-23 20:54 ` Eric Dumazet
2010-03-23 21:18   ` Eric Dumazet
2010-03-23 21:45   ` David Miller
2010-03-23 22:08     ` Duyck, Alexander H
2010-03-24  2:58       ` David Miller
2010-03-24  5:42         ` Eric Dumazet
2010-03-24  6:10           ` David Miller
2010-03-23 22:13     ` Eric Dumazet
2010-05-21 15:43       ` Stephen Hemminger
2010-05-21 16:44         ` Eric Dumazet
2010-05-21 17:38           ` Stephen Hemminger
2010-05-21 17:40           ` Eric Dumazet
2010-06-02  9:48             ` Eric Dumazet
2010-06-02  9:49             ` [PATCH 1/2 net-next-2.6] net: Define accessors to manipulate QDISC_STATE_RUNNING Eric Dumazet
2010-06-02 10:24               ` David Miller
2010-06-02  9:50             ` [PATCH 2/2 net-next-2.6] net: QDISC_STATE_RUNNING dont need atomic bit ops Eric Dumazet
2010-06-02 10:25               ` David Miller
2010-03-24 14:24 ` [RFC PATCH] net: add additional lock to qdisc to increase enqueue/dequeue fairness Eric Dumazet
2010-05-21 15:08 ` [PATCH] net: add additional lock to qdisc to increase throughput Eric Dumazet
2010-05-21 20:04   ` Duyck, Alexander H
2010-06-02 12:10     ` David Miller
2010-06-02 14:52       ` Eric Dumazet

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