Re: change uprobe_events default ? Was: [PATCH] perf: Rename CONFIG_[UK]PROBE_EVENT to CONFIG_[UK]PROBE_EVENTS

[Wangnan (F)]

On 2017/3/16 9:06, Arnaldo Carvalho de Melo wrote:
> Added more people to the CC list.
>
> Em Wed, Mar 15, 2017 at 05:58:19PM -0700, Alexei Starovoitov escreveu:
> > On Thu, Feb 16, 2017 at 05:00:50PM +1100, Anton Blanchard wrote:
> > > We have uses of CONFIG_UPROBE_EVENT and CONFIG_KPROBE_EVENT as
> > > well as CONFIG_UPROBE_EVENTS and CONFIG_KPROBE_EVENTS. Consistently
> > > use the plurals.
>   
> > this rename made me notice that UPROBE_EVENTS still defaults to 'n'.
> > this is key feature that all distros enable, so having default 'n'
> > is kinda saying that it's not something that should be turned on
> > or used widely. which is obviously not the case.
> > imo it's time to change it to 'y'.
> > Thoughts?
> Agreed, I also found it strange that it was disabled by default when I
> recently did a 'make oldconfig' :-\
>
> - Arnaldo

+1.

Some internal distros in my company now have started
discussing supporting user space probing. Turning
uprobes on for upstream kernel helps us saving a lot
of discussion.

Thank you.