From: Mike Galbraith <efault@gmx.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: David Miller <davem@davemloft.net>,
mzxreary@0pointer.de, tytso@mit.edu, bgamari.foss@gmail.com,
a.p.zijlstra@chello.nl, debiandev@gmail.com,
alan@lxorguk.ukuu.org.uk, dhaval.giani@gmail.com,
vgoyal@redhat.com, oleg@redhat.com, markus@trippelsdorf.de,
mathieu.desnoyers@efficios.com, mingo@elte.hu,
linux-kernel@vger.kernel.org, balbir@linux.vnet.ibm.com
Subject: Re: [RFC/RFT PATCH v3] sched: automated per tty task groups
Date: Fri, 19 Nov 2010 12:31:27 -0700 [thread overview]
Message-ID: <1290195087.24581.27.camel@maggy.simson.net> (raw)
In-Reply-To: <AANLkTiksmvcLKGx7-u5CnTnZU6dgOgg7wem6qf384zUg@mail.gmail.com>
On Fri, 2010-11-19 at 09:51 -0800, Linus Torvalds wrote:
> And you really _can_ combine them. As mentioned, I'd be nervous about
> AIM benchmarks. I keep mentioning AIM, but that's because it has shown
> odd tty issues before. Back when the RT guys wanted to do that crazy
> blocking BKL thing (replace the spinlock with a semaphore), AIM7
> plummeted by 40%. And people were looking all over the place (file
> locking etc), and the tty layer was the biggest reason iirc.
If I were home, I'd have already checked out AIM7 and more, but I didn't
load laptop up with all my toys unfortunately. (or fortunately, since
T130 ain't exactly a speed daemon)
-Mike
next prev parent reply other threads:[~2010-11-19 19:31 UTC|newest]
Thread overview: 264+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-19 9:16 [RFC/RFT PATCH] sched: automated per tty task groups Mike Galbraith
2010-10-19 9:26 ` Peter Zijlstra
2010-10-19 9:39 ` Mike Galbraith
2010-10-19 9:43 ` Peter Zijlstra
2010-10-19 9:46 ` Mike Galbraith
2010-10-21 7:55 ` Mike Galbraith
2010-10-21 10:28 ` Peter Zijlstra
2010-10-19 9:29 ` Peter Zijlstra
2010-10-19 9:42 ` Mike Galbraith
2010-10-19 11:29 ` Mike Galbraith
2010-10-19 11:56 ` Ingo Molnar
2010-10-19 13:12 ` Mike Galbraith
2010-10-19 15:28 ` Linus Torvalds
2010-10-19 18:13 ` Mike Galbraith
2010-10-19 18:53 ` Mike Galbraith
2010-10-20 2:56 ` Ingo Molnar
2010-10-21 8:11 ` Mike Galbraith
2010-10-21 8:31 ` Ingo Molnar
2010-10-21 8:39 ` Mike Galbraith
2010-10-21 8:48 ` Markus Trippelsdorf
2010-10-21 8:52 ` Mike Galbraith
[not found] ` <20101021115723.GA1587@arch.trippelsdorf.de>
2010-10-21 16:22 ` Mathieu Desnoyers
2010-10-21 10:51 ` Mathieu Desnoyers
2010-10-21 11:25 ` Peter Zijlstra
2010-10-21 16:29 ` Oleg Nesterov
2010-10-21 19:11 ` Mike Galbraith
2010-10-26 7:07 ` [RFC/RFT PATCH v3] " Mike Galbraith
2010-10-26 7:29 ` Mike Galbraith
2010-10-26 15:47 ` Linus Torvalds
2010-10-27 1:58 ` Mike Galbraith
2010-11-11 15:26 ` Mike Galbraith
2010-11-11 18:04 ` Ingo Molnar
2010-11-11 18:34 ` Linus Torvalds
2010-11-11 19:08 ` Mike Galbraith
2010-11-11 19:37 ` Linus Torvalds
2010-11-11 20:29 ` Oleg Nesterov
2010-11-11 19:15 ` Markus Trippelsdorf
2010-11-11 19:35 ` Mike Galbraith
2010-11-11 19:38 ` Markus Trippelsdorf
2010-11-11 19:58 ` Mike Galbraith
2010-11-11 20:27 ` Oleg Nesterov
2010-11-11 22:20 ` Mike Galbraith
2010-11-12 18:12 ` Oleg Nesterov
2010-11-13 11:42 ` Mike Galbraith
2010-11-14 17:19 ` Mike Galbraith
2010-11-14 17:49 ` Markus Trippelsdorf
2010-11-14 18:10 ` Mike Galbraith
2010-11-14 19:28 ` Linus Torvalds
2010-11-14 20:20 ` Linus Torvalds
2010-11-14 20:27 ` Markus Trippelsdorf
2010-11-14 20:48 ` Linus Torvalds
2010-11-14 23:43 ` Mike Galbraith
2010-11-15 0:15 ` Linus Torvalds
2010-11-15 0:26 ` Linus Torvalds
2010-11-15 1:13 ` Mike Galbraith
2010-11-15 3:12 ` Linus Torvalds
2010-11-15 14:00 ` Mike Galbraith
2010-11-15 8:57 ` Peter Zijlstra
2010-11-15 11:32 ` Mike Galbraith
2010-11-15 11:46 ` Mike Galbraith
2010-11-15 12:57 ` Oleg Nesterov
2010-11-15 21:25 ` Mike Galbraith
2010-11-15 22:48 ` Peter Zijlstra
2010-11-16 1:56 ` Vivek Goyal
2010-11-16 2:18 ` Linus Torvalds
2010-11-17 8:06 ` Balbir Singh
2010-11-16 14:02 ` Mike Galbraith
2010-11-16 14:11 ` Peter Zijlstra
2010-11-16 14:47 ` Dhaval Giani
2010-11-16 17:03 ` Lennart Poettering
2010-11-16 17:11 ` Linus Torvalds
2010-11-16 18:16 ` Lennart Poettering
2010-11-16 18:21 ` Peter Zijlstra
2010-11-16 18:33 ` Paul Menage
2010-11-16 18:55 ` david
2010-11-16 18:59 ` Peter Zijlstra
2010-11-16 19:09 ` Vivek Goyal
2010-11-16 19:13 ` Peter Zijlstra
2010-11-16 19:22 ` Vivek Goyal
2010-11-16 19:25 ` Peter Zijlstra
2010-11-16 19:40 ` Vivek Goyal
2010-11-16 19:43 ` Peter Zijlstra
2010-11-16 19:49 ` Linus Torvalds
2010-11-16 19:35 ` Linus Torvalds
2010-11-16 20:03 ` Lennart Poettering
2010-11-16 20:12 ` Peter Zijlstra
2010-11-16 18:49 ` Linus Torvalds
2010-11-16 19:03 ` Pekka Enberg
2010-11-16 20:21 ` Kay Sievers
2010-11-16 20:35 ` Linus Torvalds
2010-11-16 20:31 ` Lennart Poettering
2010-11-17 13:21 ` Stephen Clark
2010-11-16 19:08 ` david
2010-11-16 20:33 ` Lennart Poettering
2010-11-16 20:38 ` Linus Torvalds
2010-11-16 21:14 ` Lennart Poettering
2010-11-17 13:23 ` Stephen Clark
2010-11-18 22:33 ` Hans-Peter Jansen
2010-11-18 23:12 ` Samuel Thibault
2010-11-18 23:35 ` Mike Galbraith
2010-11-18 23:43 ` Samuel Thibault
2010-11-18 23:51 ` Linus Torvalds
2010-11-19 0:02 ` Samuel Thibault
2010-11-19 0:07 ` Samuel Thibault
2010-11-19 11:57 ` Peter Zijlstra
2010-11-19 14:24 ` Samuel Thibault
2010-11-19 14:43 ` Peter Zijlstra
2010-11-19 14:55 ` Samuel Thibault
2010-11-19 0:42 ` Linus Torvalds
2010-11-19 0:59 ` Samuel Thibault
2010-11-19 1:11 ` Linus Torvalds
2010-11-19 1:12 ` Mike Galbraith
2010-11-19 1:23 ` Samuel Thibault
2010-11-19 2:28 ` Mike Galbraith
2010-11-19 9:02 ` Samuel Thibault
2010-11-19 11:49 ` Peter Zijlstra
2010-11-19 12:19 ` Peter Zijlstra
2010-11-19 12:55 ` Mathieu Desnoyers
2010-11-19 13:00 ` Peter Zijlstra
2010-11-19 13:20 ` Mathieu Desnoyers
2010-11-19 12:31 ` Paul Menage
2010-11-19 12:51 ` Peter Zijlstra
2010-11-19 13:03 ` Mike Galbraith
2010-11-19 12:38 ` Mike Galbraith
2010-11-22 6:22 ` Balbir Singh
2010-11-18 23:29 ` Mike Galbraith
2010-11-16 20:44 ` Pekka Enberg
2010-11-16 19:27 ` Dhaval Giani
2010-11-16 19:42 ` Diego Calleja
2010-11-16 19:45 ` Linus Torvalds
2010-11-16 19:56 ` Paul Menage
2010-11-16 20:17 ` Vivek Goyal
2010-11-16 20:50 ` Lennart Poettering
2010-11-20 22:16 ` Mika Laitio
2010-11-21 0:19 ` Mike Galbraith
2010-11-16 20:28 ` Lennart Poettering
2010-11-16 20:46 ` David Miller
2010-11-16 21:08 ` Lennart Poettering
2010-11-16 21:14 ` David Miller
2010-11-16 20:52 ` Alan Cox
2010-11-16 21:08 ` Linus Torvalds
2010-11-16 21:19 ` Lennart Poettering
2010-11-16 23:39 ` Ted Ts'o
2010-11-17 0:21 ` Lennart Poettering
2010-11-17 2:06 ` Ted Ts'o
2010-11-17 14:57 ` Vivek Goyal
2010-11-17 15:01 ` Lennart Poettering
2010-11-17 17:16 ` John Stoffel
2010-11-19 5:20 ` Andev
2010-11-19 11:59 ` Peter Zijlstra
2010-11-19 13:03 ` Ben Gamari
2010-11-19 13:07 ` Theodore Tso
2010-11-19 16:29 ` David Miller
2010-11-19 16:34 ` Lennart Poettering
2010-11-19 16:43 ` David Miller
2010-11-19 17:51 ` Linus Torvalds
2010-11-19 19:12 ` Ben Gamari
2010-11-19 19:48 ` Linus Torvalds
2010-11-20 1:33 ` Lennart Poettering
2010-11-19 20:38 ` Paul Menage
2010-11-20 1:13 ` Lennart Poettering
2010-11-20 4:25 ` Balbir Singh
2010-11-20 15:41 ` Lennart Poettering
2010-11-22 6:24 ` Balbir Singh
2010-11-22 19:21 ` Lennart Poettering
2010-11-19 19:31 ` Mike Galbraith [this message]
2010-11-19 13:21 ` Peter Zijlstra
2010-11-17 22:34 ` Lennart Poettering
2010-11-17 22:37 ` Peter Zijlstra
2010-11-17 22:45 ` Lennart Poettering
2010-11-17 22:52 ` Peter Zijlstra
2010-11-18 15:00 ` Stephen Clark
2010-11-17 23:49 ` Lennart Poettering
2010-11-16 21:17 ` Lennart Poettering
2010-11-17 20:59 ` James Cloos
2010-11-22 6:16 ` Balbir Singh
2010-11-16 18:57 ` Stephen Clark
2010-11-16 19:12 ` Vivek Goyal
2010-11-16 19:57 ` Mike Galbraith
2010-11-16 20:36 ` Lennart Poettering
2010-11-16 19:42 ` Markus Trippelsdorf
2010-11-16 18:08 ` Peter Zijlstra
2010-11-16 18:56 ` Stephen Clark
2010-11-16 20:05 ` Lennart Poettering
2010-11-16 20:15 ` Peter Zijlstra
2010-11-19 0:35 ` H. Peter Anvin
2010-11-19 0:42 ` Samuel Thibault
2010-11-19 3:15 ` Mathieu Desnoyers
[not found] ` <20101120090955.GB12043@balbir.in.ibm.com>
2010-11-20 19:47 ` Mike Galbraith
2010-11-16 13:04 ` Oleg Nesterov
2010-11-16 14:18 ` Mike Galbraith
2010-11-16 15:03 ` Oleg Nesterov
2010-11-16 15:41 ` Mike Galbraith
2010-11-16 17:28 ` Ingo Molnar
2010-11-16 17:42 ` Mike Galbraith
2010-11-20 19:35 ` [PATCH v4] sched: automated per session " Mike Galbraith
2010-11-30 15:39 ` [tip:sched/core] sched: Add 'autogroup' scheduling feature: " tip-bot for Mike Galbraith
2010-12-15 17:50 ` Oleg Nesterov
2010-12-16 7:53 ` Mike Galbraith
2010-12-16 14:09 ` Mike Galbraith
2010-12-16 15:07 ` Oleg Nesterov
2011-01-04 14:18 ` [tip:sched/core] sched, autogroup: Fix potential access to freed memory tip-bot for Mike Galbraith
2010-12-20 13:08 ` [tip:sched/core] sched: Add 'autogroup' scheduling feature: automated per session task groups Bharata B Rao
2010-12-20 13:19 ` Peter Zijlstra
2010-12-20 15:46 ` Bharata B Rao
2010-12-20 15:53 ` Bharata B Rao
2010-12-21 8:33 ` Peter Zijlstra
2010-12-20 16:39 ` Mike Galbraith
2010-12-21 5:04 ` Bharata B Rao
2010-12-21 5:50 ` Mike Galbraith
2010-12-04 17:39 ` [PATCH v4] sched: " Colin Walters
2010-12-04 18:33 ` Linus Torvalds
2010-12-04 20:01 ` Colin Walters
2010-12-04 22:39 ` Linus Torvalds
2010-12-04 23:43 ` Colin Walters
2010-12-05 0:31 ` Linus Torvalds
2010-12-05 7:47 ` Ray Lee
2010-12-05 19:22 ` Colin Walters
2010-12-05 20:47 ` Linus Torvalds
2010-12-05 22:47 ` Colin Walters
2010-12-05 22:58 ` Jesper Juhl
2010-12-05 23:05 ` Jesper Juhl
2010-12-07 18:51 ` Peter Zijlstra
2010-12-05 10:18 ` Con Kolivas
2010-12-05 11:36 ` Mike Galbraith
2010-12-05 20:58 ` Ingo Molnar
2010-12-04 23:31 ` david
2010-12-05 11:11 ` Nikos Chantziaras
2010-12-05 15:12 ` [PATCH v4] Regression: " Alan Cox
2010-12-05 16:16 ` Florian Mickler
2010-12-05 19:48 ` Alan Cox
2010-12-06 16:03 ` Florian Mickler
2010-12-05 16:59 ` Mike Galbraith
2010-12-05 17:09 ` Mike Galbraith
2010-12-05 17:15 ` Mike Galbraith
2010-12-06 0:28 ` [PATCH v4] " Valdis.Kletnieks
2010-11-16 14:01 ` [RFC/RFT PATCH v3] sched: automated per tty " Peter Zijlstra
2010-11-16 14:19 ` Mike Galbraith
2010-11-17 1:31 ` Kyle McMartin
2010-11-17 1:50 ` Linus Torvalds
2010-11-17 1:56 ` Kyle McMartin
2010-11-17 2:14 ` Mike Galbraith
2010-11-15 0:02 ` Mike Galbraith
2010-11-15 22:41 ` Valdis.Kletnieks
2010-11-15 23:25 ` Linus Torvalds
2010-11-20 19:33 ` Jesper Juhl
2010-11-20 19:51 ` Mike Galbraith
2010-11-20 20:37 ` Jesper Juhl
2010-11-20 22:02 ` Konstantin Svist
2010-11-20 22:15 ` Samuel Thibault
2010-11-20 22:18 ` Thomas Fjellstrom
2010-11-20 20:25 ` Samuel Thibault
2010-11-15 23:46 ` Mike Galbraith
2010-11-15 23:50 ` Linus Torvalds
2010-11-16 0:04 ` Mike Galbraith
2010-11-16 1:18 ` Linus Torvalds
2010-11-16 1:55 ` Paul Menage
2010-11-16 12:58 ` Mike Galbraith
2010-11-16 18:25 ` Paul Menage
2010-11-16 13:59 ` Peter Zijlstra
2010-11-16 14:26 ` Mike Galbraith
2010-10-21 11:27 ` [RFC/RFT PATCH] " Mike Galbraith
2010-10-20 13:55 ` Markus Trippelsdorf
2010-10-20 14:41 ` Mike Galbraith
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