From: Avi Kivity <avi@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Chinner <david@fromorbit.com>,
Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>,
Christoph Hellwig <hch@lst.de>, "Theodore Ts'o" <tytso@mit.edu>,
Chris Mason <chris.mason@oracle.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mel Gorman <mel@csn.ul.ie>, Rik van Riel <riel@redhat.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-mm <linux-mm@kvack.org>,
linux-fsdevel@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 00/13] IO-less dirty throttling v2
Date: Wed, 24 Nov 2010 13:12:13 +0200 [thread overview]
Message-ID: <4CECF30D.5050204@redhat.com> (raw)
In-Reply-To: <20101117180912.38541ca4.akpm@linux-foundation.org>
On 11/18/2010 04:09 AM, Andrew Morton wrote:
> But mainly because we're taking the work accounting away from the user
> who caused it and crediting it to the kernel thread instead, and that's
> an actively *bad* thing to do.
>
That's happening more and more with workqueues and kernel threads.
We need the ability for a kernel thread (perhaps a workqueue thread) to
say "I am doing this on behalf of thread X, please charge any costs I
incur (faults, cpu time, whatever) to that thread".
--
error compiling committee.c: too many arguments to function
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prev parent reply other threads:[~2010-11-24 11:12 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-17 4:27 [PATCH 00/13] IO-less dirty throttling v2 Wu Fengguang
2010-11-17 4:27 ` [PATCH 01/13] writeback: IO-less balance_dirty_pages() Wu Fengguang
2010-11-17 10:34 ` Minchan Kim
2010-11-22 2:01 ` Wu Fengguang
2010-11-17 23:08 ` Andrew Morton
2010-11-18 13:04 ` Peter Zijlstra
2010-11-18 13:26 ` Wu Fengguang
2010-11-18 13:40 ` Peter Zijlstra
2010-11-18 14:02 ` Wu Fengguang
[not found] ` <20101129151719.GA30590@localhost>
[not found] ` <1291064013.32004.393.camel@laptop>
[not found] ` <20101130043735.GA22947@localhost>
[not found] ` <1291156522.32004.1359.camel@laptop>
[not found] ` <1291156765.32004.1365.camel@laptop>
[not found] ` <20101201133818.GA13377@localhost>
2010-12-01 23:03 ` Andrew Morton
2010-12-02 1:56 ` Wu Fengguang
2010-12-05 16:14 ` Wu Fengguang
2010-12-06 2:42 ` Ted Ts'o
2010-12-06 9:52 ` Dmitry
2010-12-06 12:34 ` Ted Ts'o
2010-11-17 4:27 ` [PATCH 02/13] writeback: consolidate variable names in balance_dirty_pages() Wu Fengguang
2010-11-17 4:27 ` [PATCH 03/13] writeback: per-task rate limit on balance_dirty_pages() Wu Fengguang
2010-11-17 14:39 ` Wu Fengguang
2010-11-24 10:23 ` Peter Zijlstra
2010-11-24 10:43 ` Wu Fengguang
2010-11-24 10:49 ` Peter Zijlstra
2010-11-17 4:27 ` [PATCH 04/13] writeback: prevent duplicate balance_dirty_pages_ratelimited() calls Wu Fengguang
2010-11-17 4:27 ` [PATCH 05/13] writeback: account per-bdi accumulated written pages Wu Fengguang
2010-11-24 10:26 ` Peter Zijlstra
2010-11-24 10:44 ` Wu Fengguang
2010-11-17 4:27 ` [PATCH 06/13] writeback: bdi write bandwidth estimation Wu Fengguang
2010-11-17 23:08 ` Andrew Morton
2010-11-17 23:24 ` Peter Zijlstra
2010-11-17 23:38 ` Andrew Morton
2010-11-17 23:43 ` Peter Zijlstra
2010-11-18 6:51 ` Wu Fengguang
2010-11-24 10:58 ` Peter Zijlstra
2010-11-24 14:06 ` Wu Fengguang
2010-11-24 11:05 ` Peter Zijlstra
2010-11-24 12:10 ` Wu Fengguang
2010-11-24 12:50 ` Peter Zijlstra
2010-11-24 13:14 ` Wu Fengguang
2010-11-24 13:20 ` Wu Fengguang
2010-11-24 13:42 ` Peter Zijlstra
2010-11-24 13:46 ` Wu Fengguang
2010-11-24 14:12 ` Peter Zijlstra
2010-11-24 14:21 ` Wu Fengguang
2010-11-24 14:31 ` Peter Zijlstra
2010-11-24 14:38 ` Wu Fengguang
2010-11-24 14:34 ` Wu Fengguang
2010-11-17 4:27 ` [PATCH 07/13] writeback: show bdi write bandwidth in debugfs Wu Fengguang
2010-11-17 4:27 ` [PATCH 08/13] writeback: quit throttling when bdi dirty pages dropped low Wu Fengguang
2010-11-24 11:13 ` Peter Zijlstra
2010-11-24 12:30 ` Wu Fengguang
2010-11-24 12:46 ` Peter Zijlstra
2010-11-24 12:59 ` Wu Fengguang
2010-11-17 4:27 ` [PATCH 09/13] writeback: reduce per-bdi dirty threshold ramp up time Wu Fengguang
2010-11-24 11:15 ` Peter Zijlstra
2010-11-24 12:39 ` Wu Fengguang
2010-11-24 12:56 ` Peter Zijlstra
2010-11-17 4:27 ` [PATCH 10/13] writeback: make reasonable gap between the dirty/background thresholds Wu Fengguang
2010-11-24 11:18 ` Peter Zijlstra
2010-11-24 12:48 ` Wu Fengguang
2010-11-17 4:27 ` [PATCH 11/13] writeback: scale down max throttle bandwidth on concurrent dirtiers Wu Fengguang
2010-11-17 4:27 ` [PATCH 12/13] writeback: add trace event for balance_dirty_pages() Wu Fengguang
2010-11-17 4:41 ` Wu Fengguang
2010-11-17 4:27 ` [PATCH 13/13] writeback: make nr_to_write a per-file limit Wu Fengguang
2010-11-17 23:03 ` [PATCH 00/13] IO-less dirty throttling v2 Andrew Morton
2010-11-18 2:06 ` Dave Chinner
2010-11-18 2:09 ` Andrew Morton
2010-11-18 3:21 ` Dave Chinner
2010-11-18 3:34 ` Andrew Morton
2010-11-18 7:27 ` Dave Chinner
2010-11-18 7:33 ` Andrew Morton
2010-11-19 3:11 ` Dave Chinner
2010-11-24 11:12 ` Avi Kivity [this message]
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