From: "Theodore Ts'o" <tytso@mit.edu>
To: Dave Jones <davej@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Markus Trippelsdorf <markus@trippelsdorf.de>,
"gnehzuil.liu" <gnehzuil.liu@gmail.com>,
Zheng Liu <wenqing.lz@taobao.com>, Borislav Petkov <bp@alien8.de>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [GIT PULL URGENT] ext4 regression fix for 3.9
Date: Thu, 28 Feb 2013 23:00:39 -0500 [thread overview]
Message-ID: <20130301040039.GA4452@thunk.org> (raw)
In-Reply-To: <20130301033005.GA7081@redhat.com>
On Thu, Feb 28, 2013 at 10:30:05PM -0500, Dave Jones wrote:
>
> This has fixed the problem I reported, but I notice now that my
> desktop is really sluggish. perf top shows it's almost constantly
> spinning in ext4_es_reclaim_extents_count
>
> Any ideas ?
ext4_es_reclaim_extents_count() is getting called out of the slab
shrinker. It's getting called too often when there is significant
memory pressure. We can optimize this so we're not calculating it all
the time.
- Ted
next prev parent reply other threads:[~2013-03-01 4:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 20:39 [GIT PULL] ext4 updates for 3.9 Theodore Ts'o
2013-02-27 12:47 ` Markus Trippelsdorf
2013-02-27 15:34 ` Theodore Ts'o
2013-02-27 15:44 ` Markus Trippelsdorf
2013-02-27 17:01 ` Markus Trippelsdorf
2013-02-27 17:10 ` gnehzuil.liu
2013-02-27 17:22 ` Markus Trippelsdorf
2013-02-27 17:38 ` gnehzuil.liu
2013-02-27 17:45 ` Markus Trippelsdorf
2013-02-27 17:52 ` Linus Torvalds
2013-02-27 18:49 ` Theodore Ts'o
2013-02-27 18:56 ` Markus Trippelsdorf
2013-02-27 19:19 ` Dave Jones
2013-02-27 19:27 ` Zheng Liu
2013-02-27 19:29 ` Theodore Ts'o
2013-02-27 20:12 ` [GIT PULL URGENT] ext4 regression fix " Linus Torvalds
2013-02-27 20:15 ` Theodore Ts'o
2013-02-27 20:23 ` Linus Torvalds
2013-02-27 20:41 ` Borislav Petkov
2013-03-01 3:30 ` Dave Jones
2013-03-01 4:00 ` Theodore Ts'o [this message]
2013-03-02 19:54 ` Linus Torvalds
2013-03-02 23:15 ` Theodore Ts'o
2013-02-27 20:14 ` Theodore Ts'o
2013-02-27 20:58 ` [GIT PULL] ext4 updates " Dmitry Monakhov
2013-02-27 21:30 ` Theodore Ts'o
2013-03-01 15:41 ` Eric Sandeen
2013-02-28 13:18 ` Dave Chinner
2013-02-27 18:57 ` Dave Jones
2013-02-27 19:04 ` Theodore Ts'o
2013-02-27 19:11 ` Dave Jones
2013-02-27 19:19 ` Theodore Ts'o
2013-02-27 18:59 ` Zheng Liu
2013-02-27 19:06 ` Borislav Petkov
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