Re: [PATCH] perf list: Hide deprecated events by default

[Jiri Olsa]

On Tue, Oct 15, 2019 at 10:53:57AM +0800, Jin Yao wrote:
> There are some deprecated events listed by perf list. But we can't remove
> them from perf list with ease because some old scripts may use them.
> 
> Deprecated events are old names of renamed events.  When an event gets
> renamed the old name is kept around for some time and marked with
> Deprecated. The newer Intel event lists in the tree already have these
> headers.
> 
> So we need to keep them in the event list, but provide a new option to
> show them. The new option is "--deprecated".
> 
> With this patch, the deprecated events are hidden by default but they can
> be displayed when option "--deprecated" is enabled.

not sure it's wise to hide them, because people will not read man page
to find --deprecated option, they will rather complain right away ;-)

how about to display them as another topic, like:

pipeline:
	...
uncore:
	...
deprecated:
	...

jirka