| Date | Tue, 10 Dec 2013 17:16:21 -0500 | From | Dave Jones <> | Subject | Re: process 'stuck' at exit. |
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On Tue, Dec 10, 2013 at 05:09:46PM -0500, Steven Rostedt wrote:
> So you can do either: > > trace-cmd record -p function -l get_user_pages_fast --func-stack sleep 5 > > Which will trace the get_user_pages_fast and spit out a full call trace. This gives me a 100M trace.dat, but trace show shows..
# tracer: nop # # entries-in-buffer/entries-written: 0/0 #P:4 # # _-----=> irqs-off # / _----=> need-resched # | / _---=> hardirq/softirq # || / _--=> preempt-depth # ||| / delay # TASK-PID CPU# |||| TIMESTAMP FUNCTION # | | | |||| | |
and that's it. > Or if you don't want to use trace-cmd, you can do it by hand.
Given the state the system is in, I don't want to perturb it too much.
Dave
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