From: Karsten Wiese <fzu@wemgehoertderstaat.de>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC/PATCH] 2.6.24-rcx: Make sys_poll() wait at least timeout ms
Date: Wed, 19 Dec 2007 02:06:56 +0100 [thread overview]
Message-ID: <200712190206.56428.fzu@wemgehoertderstaat.de> (raw)
In-Reply-To: <47685F4B.8000207@shaw.ca>
Am Mittwoch, 19. Dezember 2007 schrieb Robert Hancock:
>
> That seems fishy. What is your value of HZ and what is the timeout value
> that was passed in the bad case?
HZ set to 250, timeout to 4ms.
Time spent in poll() taken by clock_gettime(CLOCK_MONOTONIC, &time)
before and after poll()call: i.e 62us.
Time measured with hpet gave 166us once.
Karsten
next prev parent reply other threads:[~2007-12-19 1:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.QbT8/KZb1MTA5+n7SD6kFi6mqso@ifi.uio.no>
2007-12-19 0:01 ` Robert Hancock
2007-12-19 1:06 ` Karsten Wiese [this message]
2007-12-19 2:29 ` Robert Hancock
2007-12-19 12:55 ` Karsten Wiese
2007-12-18 17:31 Karsten Wiese
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