netdev - Re: [PATCH 3/3] pkt_sched: restore multiqueue prio scheduler

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Message-ID: <20080825083511.GE2633@ff.dom.local>
Date:	Mon, 25 Aug 2008 08:35:11 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	hadi@...erus.ca, alexander.duyck@...il.com,
	jeffrey.t.kirsher@...el.com, jeff@...zik.org,
	netdev@...r.kernel.org, alexander.h.duyck@...el.com
Subject: Re: [PATCH 3/3] pkt_sched: restore multiqueue prio scheduler

On Mon, Aug 25, 2008 at 08:25:01AM +0000, Jarek Poplawski wrote:
...
> If with unary TX queue we had to fill one bigger queue (or all TX
> queues) before device stopped a qdisc, and with mq TX it's enough to
> have one TX filled to effectively stop a qdisc transmit, IMHO there
> should be a performance difference.

And we should probably consider some TX queue could be stopped for
other reasons, blocking all transmit with mq TX but not unary TX.

Jarek P.
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