From: Eric Sandeen <sandeen@sandeen.net>
To: Tejun Heo <tj@kernel.org>
Cc: Eric Sandeen <sandeen@redhat.com>, xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH 2/2] xfs: mark the xfs-alloc workqueue as high priority
Date: Mon, 12 Jan 2015 17:12:34 -0600 [thread overview]
Message-ID: <54B454E2.70707@sandeen.net> (raw)
In-Reply-To: <20150112225314.GC22156@htj.dyndns.org>
On 1/12/15 4:53 PM, Tejun Heo wrote:
> Hello, Eric.
Hi Tejun :)
> This doesn't look like the direct cause. It could just be reclaim
> path going berserk as the filesystem can't writeout pages. Can you
> dump all runnable tasks? Was this the only runnable kworker?
>
> Thanks.
The only tasks in RU state are the one I mentioned, and swapper/X.
crash> ps -m | grep RU
[0 00:00:00.159] [RU] PID: 17056 TASK: c000000111cc0000 CPU: 8 COMMAND: "kworker/u112:1"
[4 19:11:44.360] [RU] PID: 0 TASK: c0000000010416f0 CPU: 0 COMMAND: "swapper/0"
[4 19:11:44.192] [RU] PID: 0 TASK: c000000633280000 CPU: 1 COMMAND: "swapper/1"
[4 19:11:44.192] [RU] PID: 0 TASK: c0000006332c0000 CPU: 2 COMMAND: "swapper/2"
...
and I don't see anything interesting in those. :)
-Eric
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next prev parent reply other threads:[~2015-01-12 23:13 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-09 18:08 [PATCH 0/2] xfs: make xfs allocation workqueue per-mount, and high priority Eric Sandeen
2015-01-09 18:10 ` [PATCH 1/2] xfs: make global xfsalloc workqueue per-mount Eric Sandeen
2015-01-12 15:35 ` Brian Foster
2015-01-09 18:12 ` [PATCH 2/2] xfs: mark the xfs-alloc workqueue as high priority Eric Sandeen
2015-01-09 18:23 ` Tejun Heo
2015-01-09 20:36 ` Eric Sandeen
2015-01-10 19:28 ` Tejun Heo
2015-01-11 0:04 ` Eric Sandeen
2015-01-11 6:33 ` Tejun Heo
2015-01-12 20:09 ` Eric Sandeen
2015-01-12 22:53 ` Tejun Heo
2015-01-12 23:12 ` Eric Sandeen [this message]
2015-01-12 23:37 ` Tejun Heo
2015-01-13 19:08 ` Eric Sandeen
2015-01-13 20:19 ` Tejun Heo
2015-01-13 20:29 ` Eric Sandeen
2015-01-13 20:46 ` Tejun Heo
2015-01-13 22:58 ` Eric Sandeen
2015-01-13 23:35 ` [PATCH wq/for-3.19] workqueue: fix subtle pool management issue which can stall whole worker_pool Tejun Heo
2015-01-16 19:32 ` [PATCH workqueue wq/for-3.19-fixes] " Tejun Heo
2015-01-19 2:15 ` Lai Jiangshan
2015-01-09 23:28 ` [PATCH 2/2] xfs: mark the xfs-alloc workqueue as high priority Dave Chinner
2015-01-10 17:41 ` Tejun Heo
2015-01-12 3:30 ` Dave Chinner
2015-01-13 20:50 ` Tejun Heo
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