On 5/18/2018 4:27 AM, Jiri Olsa wrote:
On Thu, May 17, 2018 at 01:27:50PM -0300, Arnaldo Carvalho de Melo wrote:
Em Thu, May 10, 2018 at 09:59:22PM +0800, Jin Yao escreveu:
See example,

perf record -e cycles,branches ./div
perf annotate main --stdio or
perf annotate main --stdio2 or
perf annotate main

The "perf annotate" should show both cycles and branches on the
left side, but actually it only shows one event cycles.

It works with events group like:
perf record -e "{cycles,branches}" ./div

It should work too even without group.

Humm, I think that this should be done the way it is for perf report,
i.e. you select the group output by using --group, no?

Jiri, isn't that how it is done in 'perf report' for non-explicit

yep, if there's no event group, the --group will enable the group
output in report.. sounds ok to follow this also in annotate

'perf report' TUI offers list of events to choose from
and the --stdio version prints report for each event
annotate could do the same


Hi Jiri, Arnaldo,

OK, thanks, I will look at --group and see how it works.

Yes, using a unified interface (--group) for non-explicit groups is a good choice.

Jin Yao

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