From: David Miller <davem@davemloft.net>
To: jj@chaosbits.net
Cc: eric.dumazet@gmail.com, alban.crequy@collabora.co.uk,
shemminger@vyatta.com, gorcunov@openvz.org, adobriyan@gmail.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
pauli.nieminen@collabora.co.uk, rweikusat@mssgmbh.com
Subject: Re: [PATCH 0/1] RFC: poll/select performance on datagram sockets
Date: Fri, 29 Oct 2010 13:40:58 -0700 (PDT) [thread overview]
Message-ID: <20101029.134058.246543591.davem@davemloft.net> (raw)
In-Reply-To: <alpine.LNX.2.00.1010292217390.24561@swampdragon.chaosbits.net>
From: Jesper Juhl <jj@chaosbits.net>
Date: Fri, 29 Oct 2010 22:20:12 +0200 (CEST)
> Sorry to intrude out of the blue without really understanding the kernel
> side of most of the code in question, but if there's a performance
> regression for applications using poll() shouldn't we address that so we
> get back to the prior performance level rather than requireing all
> userspace apps to switch to epoll() ??
For such a pathological program like Alban's test case, I say
absolutely not.
next prev parent reply other threads:[~2010-10-29 20:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-29 18:18 [PATCH 0/1] RFC: poll/select performance on datagram sockets Alban Crequy
2010-10-29 18:21 ` [PATCH] " Alban Crequy
2010-10-29 19:27 ` [PATCH 0/1] RFC: " Eric Dumazet
2010-10-29 20:08 ` Davide Libenzi
2010-10-29 20:20 ` Eric Dumazet
2010-10-29 20:46 ` Davide Libenzi
2010-10-29 21:05 ` Eric Dumazet
2010-10-29 21:57 ` Davide Libenzi
2010-10-29 22:08 ` Eric Dumazet
2010-10-30 9:53 ` [PATCH] af_unix: optimize unix_dgram_poll() Eric Dumazet
2010-10-30 17:45 ` Davide Libenzi
2010-10-29 20:20 ` [PATCH 0/1] RFC: poll/select performance on datagram sockets Jesper Juhl
2010-10-29 20:40 ` David Miller [this message]
2010-10-29 20:45 ` Eric Dumazet
2010-10-30 6:44 ` [PATCH] af_unix: unix_write_space() use keyed wakeups Eric Dumazet
2010-10-30 15:03 ` Davide Libenzi
2010-11-08 21:44 ` David Miller
2010-10-30 21:36 ` Alban Crequy
[not found] ` <1290554876.2158.5.camel@Nokia-N900-51-1>
2010-11-24 0:20 ` Alban Crequy
2010-11-24 0:28 ` Eric Dumazet
2010-10-30 11:34 ` [PATCH 0/1] RFC: poll/select performance on datagram sockets Alban Crequy
2010-10-30 12:53 ` Eric Dumazet
2010-10-30 13:17 ` Eric Dumazet
[not found] ` <20101030224703.065e70f6@chocolatine.cbg.collabora.co.uk>
2010-10-31 15:36 ` [PATCH 1/2] af_unix: fix unix_dgram_poll() behavior for EPOLLOUT event Eric Dumazet
2010-10-31 19:07 ` Davide Libenzi
2010-11-08 21:44 ` David Miller
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