On Wed, Feb 15, 2017 at 11:44:24AM +0100, Jiri Olsa wrote:
> does it say unsupported when you omit -a?
Yeah, it does dump the event name like it was counting but then it says
<not supported>. For example:
<not supported> amd_iommu_0/...
> [jolsa@krava perf]$ ./perf stat -e 'cpu/cpu-cycles/'
^^^^^
Haha, I chuckle everytime I see this hostname :-)))
> > So, lemme ask perf tool people, can we guys make the -a thing default
> > when detect that we're running only uncore events which all should need
> > -a anyway?
>
> it's possible, can't think of anything being hurt by this now..
Right, so Peter meant something simple like: you parse all events, see
that they're all uncore and enable system_wide if so.
I get the feeling that we want to do that for uncore-only events
anyway...
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
