From: Mike Fedyk <mfedyk@matchmail.com>
To: Timothy Miller <miller@techsource.com>
Cc: Con Kolivas <kernel@kolivas.org>,
William Lee Irwin III <wli@holomorphy.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] O12.2int for interactivity
Date: Sun, 17 Aug 2003 11:00:46 -0700 [thread overview]
Message-ID: <20030817180046.GY1027@matchmail.com> (raw)
In-Reply-To: <3F3D2290.6070804@techsource.com>
On Fri, Aug 15, 2003 at 02:12:32PM -0400, Timothy Miller wrote:
> And for a higher priority, in addition to begin run before all tasks of
> lower priority, they also get a longer timeslice?
With priority there are two values. One that can be set from userspace (the
nice value), and one that is purely kept in the kernel (the priority value).
The interactivity estimating changes the priority value based on heuristics.
The nice value (by default zero), determines the range of priorities the
kernel will give to a task (based on its "interactivity rating"). And it is
this relativly static nice value that determines the time slice size also.
next prev parent reply other threads:[~2003-08-17 18:00 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-04 19:50 [PATCH] O12.2int for interactivity Charlie Baylis
2003-08-05 2:10 ` Con Kolivas
2003-08-05 22:49 ` Timothy Miller
2003-08-06 0:12 ` charlie.baylis
2003-08-06 1:23 ` Con Kolivas
2003-08-06 22:24 ` Timothy Miller
2003-08-11 8:14 ` Rob Landley
2003-08-11 23:49 ` Timothy Miller
2003-08-12 0:17 ` William Lee Irwin III
2003-08-12 15:04 ` Timothy Miller
2003-08-12 23:32 ` William Lee Irwin III
2003-08-13 15:46 ` Timothy Miller
2003-08-14 6:09 ` William Lee Irwin III
2003-08-14 6:59 ` Con Kolivas
2003-08-14 7:01 ` William Lee Irwin III
2003-08-14 7:46 ` Con Kolivas
2003-08-14 20:03 ` Timothy Miller
2003-08-15 16:40 ` Con Kolivas
2003-08-14 20:00 ` Timothy Miller
2003-08-15 16:38 ` Con Kolivas
2003-08-15 18:12 ` Timothy Miller
2003-08-17 2:19 ` William Lee Irwin III
2003-08-17 18:00 ` Mike Fedyk [this message]
2003-08-14 19:57 ` Timothy Miller
2003-08-15 16:35 ` Con Kolivas
2003-08-15 18:17 ` Timothy Miller
2003-08-16 2:29 ` Con Kolivas
2003-08-14 19:54 ` Timothy Miller
-- strict thread matches above, loose matches on Subject: below --
2003-08-03 21:19 Voluspa
2003-08-04 2:34 ` Con Kolivas
2003-08-03 10:14 Con Kolivas
2003-08-03 11:25 ` Ingo Molnar
2003-08-03 11:36 ` Con Kolivas
2003-08-04 3:06 ` Con Kolivas
2003-08-03 11:37 ` Felipe Alfaro Solana
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