Hi,

Have you disabled apparmor?

Please check apparmor_status if libvirtd is in enforcing mode then lttng
traces will not be generated.

Thanks,
Shylesh

On Fri, Oct 30, 2015 at 9:15 AM, hzwulibin <hzwuli...@gmail.com> wrote:

> Hi, everyone
>
> After install hammer-0.94.5 in debian, i want to trace the librbd by
> lttng, but after done follow steps, i got nothing:
>  2036  mkdir -p traces
>  2037  lttng create -o traces librbd
>  2038  lttng enable-event -u 'librbd:*'
>  2039  lttng add-context -u -t pthread_id
>  2040  lttng start
>  2041  lttng stop
>
> So, is the lttng enabled in this version on debian?
>
> Thanks!
>
> --------------
> hzwulibin
> 2015-10-30
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>



-- 
Thanks & Regards
Shylesh Kumar M
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