From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Nikolay Borisov <n.borisov.lkml@gmail.com>
Cc: Mike Galbraith <umgwanakikbuti@gmail.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: thousands of kworker processes with 4.7.x and 4.8-rc*
Date: Tue, 27 Sep 2016 12:49:58 +0900 [thread overview]
Message-ID: <f7c8ca6fc36df6b4a3c005598c434245@admin.virtall.com> (raw)
In-Reply-To: <95eb1349-fcd4-4713-31fc-695c6255ae30@gmail.com>
On 2016-09-26 04:07, Nikolay Borisov wrote:
>> Not sure if that's expected behaviour or not.
>
>
> Why don't you sample the stacks of some of those kworker processes to
> see if they are all executing a parituclar piece of work. That might
> help you narrow down where they originate from. Cat multiple
> /proc/$kworker-pid/stack files and see if a pattern emerges.
FYI, it was reproduced and bisected here (scroll to the bottom):
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1626564
Tomasz Chmielewski
https://lxadm.com
prev parent reply other threads:[~2016-09-27 3:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 7:08 Tomasz Chmielewski
2016-09-23 13:23 ` Tomasz Chmielewski
2016-09-23 14:10 ` Mike Galbraith
2016-09-23 16:15 ` Tomasz Chmielewski
[not found] ` <a08b61cee6c43de99ac3c6a8cacfdc04@admin.virtall.com>
2016-09-25 12:40 ` Tomasz Chmielewski
2016-09-25 17:21 ` Mike Galbraith
2016-09-25 18:22 ` Mike Galbraith
2016-09-25 19:07 ` Nikolay Borisov
2016-09-27 3:49 ` Tomasz Chmielewski [this message]
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