Re: [RFC/RFT PATCH v3] sched: automated per tty task groups

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From: Lennart Poettering
Date: Tuesday, November 16, 2010 - 2:14 pm

On Tue, 16.11.10 12:38, Linus Torvalds (torvalds@linux-foundation.org) wrote:


Well, I do care. But I care more about *real* problems. For example the
fact that "updatedb" makes your system sluggish while it runs. Or
"man-db". Or anything else that runs from cron in the background.

Doing this tty dance won't help you much with background tasks such as
man-db, updatedb and cron and its jobs, will it? They don't have
ttys. Sorry for you. meh! Meh! meh! meh! meh!

(And along comes systemd, which actually handles this properly, since it
actually has a proper notion of what a service is, and what a session
is, and what an app is. And which hence can control all this sanely.)

Binding this to a tty is just solves a tiny bit of the real problem:
i.e. your own use of make -j. End of story.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.
--
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Messages in current thread:
[RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 2:16 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Peter Zijlstra, (Tue Oct 19, 2:26 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Peter Zijlstra, (Tue Oct 19, 2:29 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 2:39 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 2:42 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Peter Zijlstra, (Tue Oct 19, 2:43 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 2:46 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 4:29 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 6:12 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Linus Torvalds, (Tue Oct 19, 8:28 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 11:13 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 19, 11:53 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Markus Trippelsdorf, (Wed Oct 20, 6:55 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Wed Oct 20, 7:41 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Thu Oct 21, 12:55 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Thu Oct 21, 1:11 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Thu Oct 21, 1:39 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Markus Trippelsdorf, (Thu Oct 21, 1:48 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Thu Oct 21, 1:52 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Peter Zijlstra, (Thu Oct 21, 3:28 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mathieu Desnoyers, (Thu Oct 21, 3:51 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Peter Zijlstra, (Thu Oct 21, 4:25 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Thu Oct 21, 4:27 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mathieu Desnoyers, (Thu Oct 21, 9:22 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Oleg Nesterov, (Thu Oct 21, 9:29 am)
Re: [RFC/RFT PATCH] sched: automated per tty task groups, Mike Galbraith, (Thu Oct 21, 12:11 pm)
[RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 26, 12:07 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Tue Oct 26, 12:29 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Thu Nov 11, 11:34 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Thu Nov 11, 12:08 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Markus Trippelsdorf, (Thu Nov 11, 12:15 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Thu Nov 11, 12:35 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Thu Nov 11, 12:37 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Markus Trippelsdorf, (Thu Nov 11, 12:38 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Thu Nov 11, 12:58 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Sun Nov 14, 10:19 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Markus Trippelsdorf, (Sun Nov 14, 10:49 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Sun Nov 14, 11:10 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Sun Nov 14, 12:28 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Markus Trippelsdorf, (Sun Nov 14, 1:27 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Valdis.Kletnieks, (Mon Nov 15, 3:41 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 10:03 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Tue Nov 16, 10:11 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Tue Nov 16, 10:42 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Peter Zijlstra, (Tue Nov 16, 11:08 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 11:16 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Peter Zijlstra, (Tue Nov 16, 11:21 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Tue Nov 16, 11:49 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Peter Zijlstra, (Tue Nov 16, 11:59 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Peter Zijlstra, (Tue Nov 16, 12:13 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Peter Zijlstra, (Tue Nov 16, 12:25 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Tue Nov 16, 12:35 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Markus Trippelsdorf, (Tue Nov 16, 12:42 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Peter Zijlstra, (Tue Nov 16, 12:43 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Tue Nov 16, 12:45 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Tue Nov 16, 12:49 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Tue Nov 16, 12:57 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 1:03 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 1:05 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 1:28 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 1:31 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 1:33 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 1:36 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 1:50 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 2:08 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 2:14 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 2:17 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 2:19 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Tue Nov 16, 5:21 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Wed Nov 17, 8:01 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Wed Nov 17, 3:34 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Wed Nov 17, 3:45 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Wed Nov 17, 4:49 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Hans-Peter Jansen, (Thu Nov 18, 3:33 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Thu Nov 18, 4:12 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Thu Nov 18, 4:43 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Thu Nov 18, 5:02 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Thu Nov 18, 5:07 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Thu Nov 18, 5:42 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Thu Nov 18, 5:59 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Thu Nov 18, 6:23 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mathieu Desnoyers, (Thu Nov 18, 8:15 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Fri Nov 19, 2:02 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mathieu Desnoyers, (Fri Nov 19, 5:55 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mathieu Desnoyers, (Fri Nov 19, 6:20 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Fri Nov 19, 7:24 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Fri Nov 19, 7:55 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Fri Nov 19, 9:34 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Fri Nov 19, 10:51 am)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Fri Nov 19, 12:31 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Linus Torvalds, (Fri Nov 19, 12:48 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Fri Nov 19, 6:13 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Fri Nov 19, 6:33 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Sat Nov 20, 8:41 am)
[PATCH v4] sched: automated per session task groups, Mike Galbraith, (Sat Nov 20, 12:35 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Sat Nov 20, 12:47 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Mike Galbraith, (Sat Nov 20, 12:51 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Sat Nov 20, 1:25 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Konstantin Svist, (Sat Nov 20, 3:02 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Samuel Thibault, (Sat Nov 20, 3:15 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Thomas Fjellstrom, (Sat Nov 20, 3:18 pm)
Re: [RFC/RFT PATCH v3] sched: automated per tty task groups, Lennart Poettering, (Mon Nov 22, 12:21 pm)
[tip:sched/core] sched: Add 'autogroup' scheduling feature ..., tip-bot for Mike Gal ..., (Tue Nov 30, 8:39 am)
Re: [PATCH v4] sched: automated per session task groups, Colin Walters, (Sat Dec 4, 10:39 am)
Re: [PATCH v4] sched: automated per session task groups, Linus Torvalds, (Sat Dec 4, 11:33 am)
Re: [PATCH v4] sched: automated per session task groups, Colin Walters, (Sat Dec 4, 1:01 pm)
Re: [PATCH v4] sched: automated per session task groups, Linus Torvalds, (Sat Dec 4, 3:39 pm)
Re: [PATCH v4] sched: automated per session task groups, Colin Walters, (Sat Dec 4, 4:43 pm)
Re: [PATCH v4] sched: automated per session task groups, Linus Torvalds, (Sat Dec 4, 5:31 pm)
Re: [PATCH v4] sched: automated per session task groups, Nikos Chantziaras, (Sun Dec 5, 4:11 am)
Re: [PATCH v4] sched: automated per session task groups, Mike Galbraith, (Sun Dec 5, 4:36 am)
Re: [PATCH v4] sched: automated per session task groups, Colin Walters, (Sun Dec 5, 12:22 pm)
Re: [PATCH v4] sched: automated per session task groups, Linus Torvalds, (Sun Dec 5, 1:47 pm)
Re: [PATCH v4] sched: automated per session task groups, Colin Walters, (Sun Dec 5, 3:47 pm)
Re: [PATCH v4] sched: automated per session task groups, Valdis.Kletnieks, (Sun Dec 5, 5:28 pm)
Re: [PATCH v4] sched: automated per session task groups, Peter Zijlstra, (Tue Dec 7, 11:51 am)
[tip:sched/core] sched, autogroup: Fix potential access to ..., tip-bot for Mike Gal ..., (Tue Jan 4, 7:18 am)