netdev - Re: [PATCH 1/3] Kernel interfaces for multiqueue aware socket

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Message-ID: <AANLkTi=oXCqPHYs9reF9WL46Wxi_b8vL_NMSsAJJ34wD@mail.gmail.com>
Date:	Fri, 17 Dec 2010 14:22:59 +0800
From:	Junchang Wang <junchangwang@...il.com>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	Fenghua Yu <fenghua.yu@...el.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Fastabend, John R" <john.r.fastabend@...el.com>,
	"Tang, Xinan" <xinan.tang@...el.com>,
	netdev <netdev@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] Kernel interfaces for multiqueue aware socket

On Thu, Dec 16, 2010 at 9:28 AM, Changli Gao <xiaosuo@...il.com> wrote:
> On Thu, Dec 16, 2010 at 9:14 AM, Fenghua Yu <fenghua.yu@...el.com> wrote:
>>
>> SKF_AD_QUEUE doesn't know number of rx queues. Thus user application can't
>> specify right SKF_AD_QUEUE.
>
> It is wrong. AFAIK, you can get the queue number through
> /sys/class/net/eth*/queues/ or /proc/interrupts
>

Valuable comment. Thanks.

>
> If you turn to SKF_AD_QUEUE, I think no patch for kernel is needed.
>
This patch set is about parallelization of socket interfaces to gain
performance boost (say, from 1Mpps to around 5Mpps), rather than
simply bounding socket to cpu/queue. Therefore, it does worth having.


Thanks.
-- 
--Junchang
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