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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Shawn Bohrer <shawn.bohrer@gmail.com>,
	Simon Kirby <sim@hostway.ca>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: sys_epoll_wait high CPU load in 2.6.37
Date: Wed, 26 Jan 2011 19:18:20 +0100	[thread overview]
Message-ID: <1296065900.2899.108.camel@edumazet-laptop> (raw)
In-Reply-To: <alpine.DEB.2.00.1101261001550.14705@localhost6.localdomain6>

Le mercredi 26 janvier 2011 à 10:06 -0800, Davide Libenzi a écrit :

> Eric, if you look at fs/select.c (~line 925), poll does exactly the same 
> thing as epoll do.
> It too, ignores the eventual return value of poll_select_set_timeout(), so 
> maybe a little bit more optimized ktime_get_ts+timespec_add_ms could make 
> sense.
> 

OK, I'll post a V3 ;)

Thanks



  reply	other threads:[~2011-01-26 18:18 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-26  0:09 Simon Kirby
2011-01-26  7:18 ` Eric Dumazet
2011-01-26 11:16   ` Eric Dumazet
2011-01-26 15:31     ` Davide Libenzi
2011-01-26 15:43       ` Eric Dumazet
2011-01-26 15:52         ` Davide Libenzi
2011-01-26 15:59           ` Eric Dumazet
2011-01-26 16:13             ` Eric Dumazet
2011-01-26 17:20               ` Shawn Bohrer
2011-01-26 17:51                 ` Eric Dumazet
2011-01-26 18:06                   ` Davide Libenzi
2011-01-26 18:18                     ` Eric Dumazet [this message]
2011-01-26 18:45                       ` Eric Dumazet
2011-01-28  0:17                         ` Davide Libenzi

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