From: Jan Knutar <jk-lkml@sci.fi>
To: Ram Gupta <ram.gupta5@gmail.com>
Cc: linux mailing-list <linux-kernel@vger.kernel.org>
Subject: Re: select takes too much time
Date: Thu, 13 Apr 2006 21:29:10 +0300 [thread overview]
Message-ID: <200604132129.10056.jk-lkml@sci.fi> (raw)
In-Reply-To: <728201270604130801l377d7285y531133ee9ee56e8c@mail.gmail.com>
On Thursday 13 April 2006 18:01, Ram Gupta wrote:
> I am using select with a timeout value of 90 ms. But for some reason
> occasionally it comes out of select after more than one second .
I have a memory-starved prosignia that sometimes needs up to
10 seconds :)
Though that includes bringing in the relevant code page of the userspace
application too, and that page probably gets discarded after doing the
syscall, or similar.
It's all allright though, it gets served eventually.
> I
> checked the man page but it does not help in concluding if this is ok
> or not.
The documentation doesn't impose or guarantee any minimum performance,
as far as I know.
next prev parent reply other threads:[~2006-04-13 18:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-13 15:01 select takes too much time Ram Gupta
2006-04-13 15:30 ` Andreas Mohr
2006-04-13 16:11 ` Ram Gupta
2006-04-20 9:01 ` Denis Vlasenko
2006-05-01 17:00 ` Ram Gupta
2006-04-13 15:56 ` linux-os (Dick Johnson)
2006-04-13 18:29 ` Jan Knutar [this message]
2006-04-13 18:36 ` Michal Schmidt
2006-04-13 19:51 ` Ram Gupta
2006-04-13 21:08 ` linux-os (Dick Johnson)
2006-04-13 21:18 ` Nish Aravamudan
2006-04-13 21:20 ` Michal Schmidt
2006-04-14 14:54 ` Ram Gupta
2006-04-14 14:56 ` linux-os (Dick Johnson)
2006-04-14 21:45 ` Jan Engelhardt
2006-04-17 15:55 ` Ram Gupta
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