Re: [PATCH] perf record: Add support to collect callchains from kernel or user space only.

[Arnaldo Carvalho de Melo]

Em Thu, Jun 06, 2019 at 04:46:14PM +0200, Jiri Olsa escreveu:
> On Thu, Jun 06, 2019 at 11:26:44AM -0300, Arnaldo Carvalho de Melo wrote:
> > So that the user don't try using:

> >     pref record --user-callchains --kernel-callchains

> > expecting to get both user and kernel callchains and instead gets
> > nothing.
 
> good catch.. we should add the logic to keep both (default)
> in this case.. so do nothing ;-)

Yeah, not using both or using both should amount to the same behaviour.

Can be done with a patch on top of what I have in my tree now.

- Arnaldo