Re: is RSDL an "unfair" scheduler too?

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To: Mike Galbraith <efault@...>
Cc: Willy Tarreau <w@...>, Linus Torvalds <torvalds@...>, William Lee Irwin III <wli@...>, Avi Kivity <avi@...>, Ingo Molnar <mingo@...>, Con Kolivas <kernel@...>, <ck@...>, Serge Belyshev <belyshev@...>, Al Boldi <a1426z@...>, <linux-kernel@...>, Nicholas Miell <nmiell@...>, Andrew Morton <akpm@...>, Bill Huey (hui) <billh@...>
Date: Sunday, March 18, 2007 - 3:35 am

On Sun, Mar 18, 2007 at 07:37:02AM +0100, Mike Galbraith wrote:

I can't fully qualify what aspects of the X server that's creating this
problem. More experimentation is needed (various display drivers, etc...)
should be played with to see what kind of problematic situations arise.
It's a bit too new with too few users to know what are the specific
problems just yet. Your case is too sparse for it to be an completely
exhaustive exploration of what's failing with this scheduler.

There's a policy decision that needs to be made of whether adding another
term to the scheduler calcuation is blessed or not. My opinion is that
is should be. Meanwhile, we should experiment more with different
configurations.

bill

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Messages in current thread:
RSDL development plans, Con Kolivas, (Tue Mar 13, 7:08 pm)
Re: RSDL development plans, Con Kolivas, (Fri Mar 16, 8:25 am)
RSDL v0.31, Con Kolivas, (Fri Mar 16, 9:40 am)
Re: RSDL v0.31, Al Boldi, (Fri Mar 16, 5:55 pm)
Re: RSDL v0.31, Con Kolivas, (Fri Mar 16, 10:51 pm)
Re: RSDL v0.31, Al Boldi, (Sat Mar 17, 12:40 am)
Re: RSDL v0.31, Con Kolivas, (Sat Mar 17, 12:57 am)
Re: RSDL v0.31, Al Boldi, (Sat Mar 17, 12:12 pm)
Re: RSDL v0.31, Ed Tomlinson, (Sat Mar 17, 9:50 am)
Re: RSDL v0.31, Gene Heskett, (Sat Mar 17, 1:15 am)
Re: RSDL v0.31, AshMilsted, (Fri Mar 16, 1:12 pm)
Re: RSDL v0.31, Gabriel C, (Fri Mar 16, 1:41 pm)
Re: RSDL v0.31, Mike Galbraith, (Fri Mar 16, 11:34 am)
Re: RSDL v0.31, Con Kolivas, (Fri Mar 16, 5:13 pm)
Re: RSDL v0.31, Mike Galbraith, (Fri Mar 16, 6:30 pm)
Re: RSDL v0.31, Rik van Riel, (Sat Mar 17, 10:32 am)
Re: RSDL v0.31, Ingo Molnar, (Sat Mar 17, 11:39 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 10:43 am)
Re: [ck] Re: RSDL v0.31, Dirk Schoebel, (Fri Mar 16, 7:05 pm)
Re: RSDL v0.31, Nicholas Miell, (Sat Mar 17, 12:24 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 1:56 am)
Re: RSDL v0.31, Nicholas Miell, (Sat Mar 17, 2:26 am)
Re: RSDL v0.31, Ingo Molnar, (Sat Mar 17, 3:56 am)
Re: [ck] Re: RSDL v0.31, jos poortvliet, (Sat Mar 17, 7:07 am)
Re: RSDL v0.31, Ingo Molnar, (Sat Mar 17, 8:44 am)
Re: RSDL v0.31, jos poortvliet, (Sat Mar 17, 9:44 am)
Re: [ck] Re: RSDL v0.31, Ed Tomlinson, (Sat Mar 17, 10:04 am)
Re: RSDL v0.31, Ingo Molnar, (Sat Mar 17, 3:45 am)
Re: RSDL v0.31, David Lang, (Sat Mar 17, 3:44 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 4:46 am)
Re: [ck] Re: RSDL v0.31, Mark Glines, (Sat Mar 17, 10:09 am)
Re: [ck] Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 10:33 am)
Re: [ck] Re: RSDL v0.31, Mark Glines, (Sat Mar 17, 10:54 am)
Re: [ck] Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 10:58 am)
Re: RSDL v0.31, Serge Belyshev, (Sat Mar 17, 4:41 am)
Re: RSDL v0.31, Con Kolivas, (Sat Mar 17, 5:48 am)
Re: RSDL v0.31, Mark Hahn, (Sat Mar 17, 11:13 am)
Re: RSDL v0.31, Chris Friesen, (Mon Mar 19, 11:06 am)
Re: RSDL v0.31, Stephen Clark, (Sat Mar 17, 1:22 pm)
Re: is RSDL an "unfair" scheduler too?, Ingo Molnar, (Sat Mar 17, 7:49 am)
Re: is RSDL an "unfair" scheduler too?, Avi Kivity, (Sat Mar 17, 4:41 pm)
Re: is RSDL an "unfair" scheduler too?, William Lee Irwin III, (Sat Mar 17, 9:25 pm)
Re: is RSDL an "unfair" scheduler too?, Avi Kivity, (Sun Mar 18, 1:00 am)
Re: is RSDL an "unfair" scheduler too?, Linus Torvalds, (Sat Mar 17, 9:32 pm)
Re: is RSDL an "unfair" scheduler too?, Willy Tarreau, (Sun Mar 18, 1:24 am)
Re: is RSDL an "unfair" scheduler too?, Mike Galbraith, (Sun Mar 18, 2:26 am)
Re: [ck] Re: is RSDL an "unfair" scheduler too?, Radoslaw Szkodzinski, (Sun Mar 18, 2:54 am)
Re: [ck] Re: is RSDL an "unfair" scheduler too?, Willy Tarreau, (Sun Mar 18, 3:58 am)
Re: [ck] Re: is RSDL an "unfair" scheduler too?, Avi Kivity, (Sun Mar 18, 4:45 am)
Re: is RSDL an "unfair" scheduler too?, Bill Huey, (Sun Mar 18, 2:09 am)
Re: is RSDL an "unfair" scheduler too?, Bill Davidsen, (Mon Mar 19, 5:14 pm)
Re: is RSDL an "unfair" scheduler too?, Mike Galbraith, (Sun Mar 18, 2:37 am)
Re: is RSDL an "unfair" scheduler too?, Bill Huey, (Sun Mar 18, 3:35 am)
Re: is RSDL an "unfair" scheduler too?, Avi Kivity, (Sun Mar 18, 1:55 am)
RE: is RSDL an "unfair" scheduler too?, David Schwartz, (Sun Mar 18, 10:27 pm)
Re: is RSDL an "unfair" scheduler too?, Avi Kivity, (Mon Mar 19, 11:25 am)
Re: is RSDL an "unfair" scheduler too?, Helge Hafting, (Mon Mar 19, 12:06 pm)
Re: is RSDL an "unfair" scheduler too?, Avi Kivity, (Mon Mar 19, 12:37 pm)
Re: is RSDL an "unfair" scheduler too?, Radoslaw Szkodzinski, (Mon Mar 19, 9:27 am)
Re: is RSDL an "unfair" scheduler too?, David Lang, (Mon Mar 19, 2:30 pm)
Re: is RSDL an "unfair" scheduler too?, Con Kolivas, (Sat Mar 17, 8:02 am)
Re: [ck] Re: is RSDL an "unfair" scheduler too?, jos poortvliet, (Sat Mar 17, 8:23 am)
RE: [ck] Re: is RSDL an "unfair" scheduler too?, David Schwartz, (Sat Mar 17, 1:31 pm)
Re: is RSDL an "unfair" scheduler too?, Ingo Molnar, (Sat Mar 17, 8:28 am)
Re: is RSDL an "unfair" scheduler too?, Con Kolivas, (Sat Mar 17, 8:43 am)
Re: is RSDL an "unfair" scheduler too?, Bill Davidsen, (Sat Mar 17, 10:13 pm)
Re: is RSDL an "unfair" scheduler too?, Mike Galbraith, (Sun Mar 18, 1:37 am)
Re: [ck] Re: is RSDL an "unfair" scheduler too?, jos poortvliet, (Sun Mar 18, 6:58 am)
Re: is RSDL an "unfair" scheduler too?, Kasper Sandberg, (Sat Mar 17, 11:20 pm)
Re: is RSDL an "unfair" scheduler too?, Ingo Molnar, (Sat Mar 17, 12:34 pm)
Re: is RSDL an "unfair" scheduler too?, Bill Davidsen, (Sat Mar 17, 11:23 pm)
Re: [ck] Re: is RSDL an "unfair" scheduler too?, jos poortvliet, (Sat Mar 17, 8:15 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 5:58 am)
Re: RSDL v0.31, Mark Lord, (Mon Mar 19, 12:03 pm)
Re: RSDL v0.31, Al Boldi, (Sat Mar 17, 4:55 pm)
Re: RSDL v0.31, Mark Lord, (Mon Mar 19, 12:07 pm)
Re: RSDL v0.31, Al Boldi, (Mon Mar 19, 4:53 pm)
Re: RSDL v0.31, Artur Skawina, (Tue Mar 20, 3:50 pm)
Re: RSDL v0.31, Al Boldi, (Wed Mar 21, 12:15 am)
Re: RSDL v0.31, Artur Skawina, (Wed Mar 21, 1:24 pm)
Re: RSDL v0.31, Xavier Bestel, (Mon Mar 19, 12:26 pm)
Re: RSDL v0.31, Mark Lord, (Mon Mar 19, 12:36 pm)
Re: RSDL v0.31, Xavier Bestel, (Mon Mar 19, 12:43 pm)
Re: RSDL v0.31, Linus Torvalds, (Mon Mar 19, 11:11 pm)
Re: RSDL v0.31, Mark Lord, (Tue Mar 20, 9:22 am)
Re: RSDL v0.31, Ray Lee, (Tue Mar 20, 11:16 am)
Re: RSDL v0.31, Kasper Sandberg, (Wed Mar 21, 4:55 am)
Re: RSDL v0.31, Mark Lord, (Tue Mar 20, 11:20 am)
Re: [ck] Re: RSDL v0.31, jos poortvliet, (Tue Mar 20, 6:26 am)
Re: RSDL v0.31, Willy Tarreau, (Tue Mar 20, 2:11 am)
Re: RSDL v0.31, Linus Torvalds, (Tue Mar 20, 11:31 am)
Re: RSDL v0.31, Bill Davidsen, (Wed Mar 28, 7:43 pm)
Re: RSDL v0.31, Keith Duthie, (Wed Mar 21, 4:22 am)
Re: RSDL v0.31, Al Boldi, (Tue Mar 20, 2:08 pm)
Re: RSDL v0.31, Xavier Bestel, (Tue Mar 20, 5:03 am)
Re: RSDL v0.31, Ingo Molnar, (Wed Mar 21, 3:50 am)
RE: RSDL v0.31, David Schwartz, (Wed Mar 21, 6:43 am)
Re: RSDL v0.31, Bill Davidsen, (Wed Mar 28, 7:37 pm)
RE: RSDL v0.31, David Schwartz, (Thu Mar 29, 3:10 am)
Re: RSDL v0.31, Nick Piggin, (Thu Mar 29, 3:34 am)
Re: RSDL v0.31, Artur Skawina, (Tue Mar 20, 8:31 am)
Re: RSDL v0.31, Artur Skawina, (Tue Mar 20, 3:16 pm)
Re: RSDL v0.31, Mike Galbraith, (Tue Mar 20, 4:03 am)
Re: RSDL v0.31, Mike Galbraith, (Wed Mar 21, 10:57 am)
Re: RSDL v0.31, Peter Zijlstra, (Wed Mar 21, 12:02 pm)
Re: RSDL v0.31, Mike Galbraith, (Thu Mar 22, 3:07 am)
Re: RSDL v0.31, Con Kolivas, (Thu Mar 22, 6:50 pm)
Re: RSDL v0.31, Mike Galbraith, (Fri Mar 23, 12:39 am)
Re: RSDL v0.31, Con Kolivas, (Fri Mar 23, 1:59 am)
Re: RSDL v0.31, Mike Galbraith, (Fri Mar 23, 8:17 am)
Re: RSDL v0.31, Mike Galbraith, (Fri Mar 23, 2:11 am)
Re: RSDL v0.31, Ingo Molnar, (Thu Mar 22, 5:18 am)
Re: RSDL v0.31, Con Kolivas, (Thu Mar 22, 6:03 pm)
Re: RSDL v0.31, Mike Galbraith, (Thu Mar 22, 5:34 am)
Re: RSDL v0.31, Mike Galbraith, (Thu Mar 22, 5:41 am)
Re: RSDL v0.31, Mike Galbraith, (Wed Mar 21, 1:06 pm)
Re: RSDL v0.31, Mike Galbraith, (Sun Mar 18, 2:17 am)
Re: RSDL v0.31, Kasper Sandberg, (Sun Mar 18, 2:47 am)
Re: RSDL v0.31, Mike Galbraith, (Sun Mar 18, 3:08 am)
Re: [ck] Re: RSDL v0.31, Radoslaw Szkodzinski, (Sun Mar 18, 3:22 am)
Re: [ck] Re: RSDL v0.31, Mike Galbraith, (Sun Mar 18, 3:38 am)
Re: [ck] Re: RSDL v0.31, Radoslaw Szkodzinski, (Sun Mar 18, 11:44 am)
Re: [ck] Re: RSDL v0.31, jos poortvliet, (Sun Mar 18, 12:09 pm)
Re: [ck] Re: RSDL v0.31, Kasper Sandberg, (Sun Mar 18, 5:57 am)
Re: [ck] Re: RSDL v0.31, Bill Davidsen, (Mon Mar 19, 4:47 pm)
Re: [ck] Re: RSDL v0.31, Kasper Sandberg, (Wed Mar 21, 4:58 am)
Re: [ck] Re: RSDL v0.31, jos poortvliet, (Tue Mar 20, 6:19 am)
Re: [ck] Re: RSDL v0.31, Avuton Olrich, (Sun Mar 18, 9:57 am)
Re: [ck] Re: RSDL v0.31, jimmy bahuleyan, (Sun Mar 18, 4:20 am)
Re: [ck] Re: RSDL v0.31, Mike Galbraith, (Sun Mar 18, 4:34 am)
Re: [ck] Re: RSDL v0.31, Mike Galbraith, (Sun Mar 18, 4:04 am)
Re: [ck] Re: RSDL v0.31, michael chang, (Sat Mar 17, 9:58 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 6:49 am)
Re: RSDL v0.31, Gene Heskett, (Sat Mar 17, 8:05 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 9:36 am)
Re: RSDL v0.31, Gene Heskett, (Sat Mar 17, 1:03 pm)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 1:37 pm)
Re: [ck] Re: RSDL v0.31, Kacper Wysocki, (Sat Mar 17, 2:23 pm)
Re: [ck] Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 2:45 pm)
Re: RSDL v0.31, Nicholas Miell, (Sat Mar 17, 4:23 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 3:11 am)
Re: RSDL v0.31, Gene Heskett, (Sat Mar 17, 7:48 am)
Re: RSDL v0.31, William Lee Irwin III, (Sat Mar 17, 3:25 am)
Re: RSDL v0.31, Nicholas Miell, (Sat Mar 17, 3:29 am)
Re: RSDL v0.31, Mike Galbraith, (Sat Mar 17, 2:08 am)
RE: RSDL v0.31, David Schwartz, (Sun Mar 18, 10:27 pm)
RE: RSDL v0.31, Mike Galbraith, (Mon Mar 19, 2:21 am)
Re: RSDL v0.31, Willy Tarreau, (Mon Mar 19, 2:59 am)
Re: RSDL v0.31, Lee Revell, (Sun Mar 18, 3:37 pm)
Re: RSDL v0.31, Szonyi Calin, (Sun Mar 18, 6:45 pm)
Re: RSDL v0.31, Mike Galbraith, (Sun Mar 18, 3:55 pm)
Re: RSDL v0.31, Ed Tomlinson, (Sat Mar 17, 9:56 am)
Re: RSDL development plans, Mike Galbraith, (Fri Mar 16, 9:42 am)
Re: RSDL development plans, Con Kolivas, (Fri Mar 16, 9:59 am)
Re: RSDL development plans, Mike Galbraith, (Fri Mar 16, 10:07 am)