From: Andi Kleen <andi@firstfloor•org>
To: Eric Dumazet <eric.dumazet@gmail•com>
Cc: Li Yu <raise.sail@gmail•com>, Changli Gao <xiaosuo@gmail•com>,
Linux Netdev List <netdev@vger•kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger•kernel.org>,
davidel@xmailserver•org
Subject: Re: [RFC] Introduce to batch variants of accept() and epoll_ctl() syscall
Date: Mon, 18 Jun 2012 16:27:47 -0700 [thread overview]
Message-ID: <m2fw9s8aks.fsf@firstfloor.org> (raw)
In-Reply-To: <1339750318.7491.70.camel@edumazet-glaptop> (Eric Dumazet's message of "Fri, 15 Jun 2012 10:51:58 +0200")
Eric Dumazet <eric.dumazet@gmail•com> writes:
>
> I believe accept() is the problem here, because it contends with the
> softirq processing the tcp session handshake.
The MOSBENCH people some time ago did a per CPU accept queue. This is
probably overkill, but there are clearly some scaling problems here
with enough cores.
-Andi
--
ak@linux•intel.com -- Speaking for myself only
next prev parent reply other threads:[~2012-06-18 23:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-15 4:13 [RFC] Introduce to batch variants of accept() and epoll_ctl() syscall Li Yu
2012-06-15 4:29 ` Changli Gao
2012-06-15 5:37 ` Li Yu
2012-06-15 8:51 ` Eric Dumazet
2012-06-18 23:27 ` Andi Kleen [this message]
2012-07-06 9:38 ` Li Yu
2012-07-09 3:36 ` Li Yu
2012-06-15 8:35 ` David Laight
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