From: Mike Fedyk <mfedyk@matchmail.com>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: Nick Piggin <piggin@cyberone.com.au>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Nick's scheduler policy v12
Date: Fri, 5 Sep 2003 13:39:03 -0700 [thread overview]
Message-ID: <20030905203903.GF19041@matchmail.com> (raw)
In-Reply-To: <207340000.1062793164@flay>
On Fri, Sep 05, 2003 at 01:19:24PM -0700, Martin J. Bligh wrote:
> > On Fri, Sep 05, 2003 at 11:54:04AM -0700, Martin J. Bligh wrote:
> >> > Backboost is gone so X really should be at -10 or even higher.
> >>
> >> Wasn't that causing half the problems originally? Boosting X seemed
> >> to starve xmms et al. Or do the interactivity changes fix xmms
> >> somehow, but not X itself? Explicitly fiddling with task's priorities
> >> seems flawed to me.
> >
> > Wasn't it the larger timeslices with lower nice values in stock and Con's
> > patches that made X with nice -10 a bad idea?
>
> Debian renices X by default to -10 ... I fixed all my desktop interactivity
> problems around 2.5.63 timeframe by just turning that off. That was way
> before Con's patches.
Exactly. Because the larger time slices for lower nice values came from
O(1), not Con.
>
> There may be some more details around this, and I'd love to hear them,
> but I fundmantally believe that explitit fiddling with particular
> processes because we believe they're somehow magic is wrong (and so
> does Linus, from previous discussions).
>
Linus added a patch to 2.5.65 or so that was supposed to allow nice 0 on X
without any detrament.
next prev parent reply other threads:[~2003-09-05 20:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-05 17:57 [PATCH] Nick's scheduler policy v12 Nick Piggin
2003-09-05 18:54 ` Martin J. Bligh
2003-09-05 20:22 ` Mike Fedyk
2003-09-05 20:19 ` Martin J. Bligh
2003-09-05 20:39 ` Mike Fedyk [this message]
2003-09-05 21:08 ` Robert Love
2003-09-06 1:31 ` Nick Piggin
2003-09-06 1:18 ` Nick Piggin
2003-09-06 3:36 ` Martin J. Bligh
2003-09-06 6:20 ` Jörn Engel
2003-09-06 6:38 ` Nick Piggin
2003-09-06 6:55 ` Nick Piggin
2003-09-06 15:13 ` Martin J. Bligh
2003-09-06 11:47 ` Ed Sweetman
2003-09-07 2:34 ` Martin J. Bligh
2003-09-07 3:27 ` Valdis.Kletnieks
2003-09-07 4:42 ` Nick Piggin
2003-09-07 4:37 ` Nick Piggin
2003-09-06 7:49 ` Martin Schlemmer
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