Re: frequent softlockups with 3.10rc6.

From: Steven Rostedt
Date: Sat Jun 29 2013 - 20:21:36 EST


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


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