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From: Steven Rostedt <rostedt@goodmis.org>
To: Dave Jones <davej@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Dave Chinner <david@fromorbit.com>,
	Oleg Nesterov <oleg@redhat.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Andrey Vagin <avagin@openvz.org>
Subject: Re: frequent softlockups with 3.10rc6.
Date: Sat, 29 Jun 2013 20:21:30 -0400	[thread overview]
Message-ID: <1372551690.18733.367.camel@gandalf.local.home> (raw)
In-Reply-To: <20130629234449.GA30554@redhat.com>

On Sat, 2013-06-29 at 19:44 -0400, Dave Jones wrote:

> Yeah, this is running as a user. Those don't sound like things that should
> be possible.  What instrumentation could I add to figure out why 
> that kthread got awakened ?


trace-cmd record -e sched_wakeup -f 'comm ~ "migrati*"'

Add "-O stacktrace" to see where they got woken up too.

-- Steve



  reply	other threads:[~2013-06-30  0:21 UTC|newest]

Thread overview: 93+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-19 16:45 frequent softlockups with 3.10rc6 Dave Jones
2013-06-19 17:53 ` Dave Jones
2013-06-19 18:13   ` Paul E. McKenney
2013-06-19 18:42     ` Dave Jones
2013-06-20  0:12     ` Dave Jones
2013-06-20 16:16       ` Paul E. McKenney
2013-06-20 16:27         ` Dave Jones
2013-06-21 15:11         ` Dave Jones
2013-06-21 19:59           ` Oleg Nesterov
2013-06-22  1:37             ` Dave Jones
2013-06-22 17:31               ` Oleg Nesterov
2013-06-22 21:59                 ` Dave Jones
2013-06-23  5:00                   ` Andrew Vagin
2013-06-23 14:36                   ` Oleg Nesterov
2013-06-23 15:06                     ` Dave Jones
2013-06-23 16:04                       ` Oleg Nesterov
2013-06-24  0:21                         ` Dave Jones
2013-06-24  2:00                         ` Dave Jones
2013-06-24 14:39                           ` Oleg Nesterov
2013-06-24 14:52                             ` Steven Rostedt
2013-06-24 16:00                               ` Dave Jones
2013-06-24 16:24                                 ` Steven Rostedt
2013-06-24 16:51                                   ` Dave Jones
2013-06-24 17:04                                     ` Steven Rostedt
2013-06-25 16:55                                       ` Dave Jones
2013-06-25 17:21                                         ` Steven Rostedt
2013-06-25 17:23                                           ` Steven Rostedt
2013-06-25 17:26                                           ` Dave Jones
2013-06-25 17:31                                             ` Steven Rostedt
2013-06-25 17:32                                             ` Steven Rostedt
2013-06-25 17:29                                           ` Steven Rostedt
2013-06-25 17:34                                             ` Dave Jones
2013-06-24 16:37                                 ` Oleg Nesterov
2013-06-24 16:49                                   ` Dave Jones
2013-06-24 15:57                         ` Dave Jones
2013-06-24 17:35                           ` Oleg Nesterov
2013-06-24 17:44                             ` Dave Jones
2013-06-24 17:53                             ` Steven Rostedt
2013-06-24 18:00                               ` Dave Jones
2013-06-25 15:35                             ` Dave Jones
2013-06-25 16:23                               ` Steven Rostedt
2013-06-26  5:23                                 ` Dave Jones
2013-06-26 19:52                                   ` Steven Rostedt
2013-06-26 20:00                                     ` Dave Jones
2013-06-27  3:01                                       ` Steven Rostedt
2013-06-26  5:48                                 ` Dave Jones
2013-06-26 19:18                               ` Oleg Nesterov
2013-06-26 19:40                                 ` Dave Jones
2013-06-27  0:22                                 ` Dave Jones
2013-06-27  1:06                                   ` Eric W. Biederman
2013-06-27  2:32                                     ` Tejun Heo
2013-06-27  7:55                                   ` Dave Chinner
2013-06-27 10:06                                     ` Dave Chinner
2013-06-27 12:52                                       ` Dave Chinner
2013-06-27 15:21                                         ` Dave Jones
2013-06-28  1:13                                           ` Dave Chinner
2013-06-28  3:58                                             ` Dave Chinner
2013-06-28 10:28                                               ` Jan Kara
2013-06-29  3:39                                                 ` Dave Chinner
2013-07-01 12:00                                                   ` Jan Kara
2013-07-02  6:29                                                     ` Dave Chinner
2013-07-02  8:19                                                       ` Jan Kara
2013-07-02 12:38                                                         ` Dave Chinner
2013-07-02 14:05                                                           ` Jan Kara
2013-07-02 16:13                                                             ` Linus Torvalds
2013-07-02 16:57                                                               ` Jan Kara
2013-07-02 17:38                                                                 ` Linus Torvalds
2013-07-03  3:07                                                                   ` Dave Chinner
2013-07-03  3:28                                                                     ` Linus Torvalds
2013-07-03  4:49                                                                       ` Dave Chinner
2013-07-04  7:19                                                                         ` Andrew Morton
2013-06-29 20:13                                               ` Dave Jones
2013-06-29 22:23                                                 ` Linus Torvalds
2013-06-29 23:44                                                   ` Dave Jones
2013-06-30  0:21                                                     ` Steven Rostedt [this message]
2013-07-01 12:49                                                     ` Pavel Machek
2013-06-30  0:17                                                   ` Steven Rostedt
2013-06-30  2:05                                                   ` Dave Chinner
2013-06-30  2:34                                                     ` Dave Chinner
2013-06-27 14:30                                     ` Dave Jones
2013-06-28  1:18                                       ` Dave Chinner
2013-06-28  2:54                                         ` Linus Torvalds
2013-06-28  3:54                                           ` Dave Chinner
2013-06-28  5:59                                             ` Linus Torvalds
2013-06-28  7:21                                               ` Dave Chinner
2013-06-28  8:22                                                 ` Linus Torvalds
2013-06-28  8:32                                                   ` Al Viro
2013-06-28  8:22                                               ` Al Viro
2013-06-28  9:49                                               ` Jan Kara
2013-07-01 17:57                                             ` block layer softlockup Dave Jones
2013-07-02  2:07                                               ` Dave Chinner
2013-07-02  6:01                                                 ` Dave Jones
2013-07-02  7:30                                                   ` Dave Chinner

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