* Arnaldo Carvalho de Melo <a...@redhat.com> wrote:
> Em Fri, Feb 03, 2017 at 03:56:42PM +0530, Ravi Bangoria escreveu:
> > After patch:
> > $ perf record -a -e sdt_glib:idle__add
> > event syntax error: 'sdt_glib:idle__add'
> > \___ unknown tracepoint
> >
> > Error: File /sys/kernel/debug/tracing/events/sdt_glib/idle__add not
> > found.
> > Hint: SDT event cannot be directly recorded on. Please use 'perf probe
> > sdt_glib:idle__add' before recording it.
> > ...
> >
> > $ perf probe sdt_glib:idle__add
> > Added new event:
> > sdt_glib:idle__add (on %idle__add in
> > /usr/lib64/libglib-2.0.so.0.5000.2)
> >
> > You can now use it in all perf tools, such as:
> >
> > perf record -e sdt_glib:idle__add -aR sleep 1
> >
> > $ perf record -a -e sdt_glib:idle__add
> > [ perf record: Woken up 1 times to write data ]
> > [ perf record: Captured and wrote 0.175 MB perf.data ]
>
> Looks much better! Thanks!
>
> Unsure if we should state somewhere that this needs to be done only once
> per boot.
>
> Ingo, are you ok now? Ack?
Yeah, looks perfect to me!
Acked-by: Ingo Molnar <mi...@kernel.org>
Thanks,
Ingo
