Re: [PATCH 06/23] perf mem: Check for memory events support

[Arnaldo Carvalho de Melo]

Em Tue, Feb 23, 2016 at 04:29:57PM +0100, Jiri Olsa escreveu:
> On Tue, Feb 23, 2016 at 12:18:14PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Feb 15, 2016 at 09:34:36AM +0100, Jiri Olsa escreveu:
> > > Check if current kernel support available memory events
> > > and display the status within -e  list option:
> > > 
> > >   $ perf mem record -e list
> > >   [ok] ldlat-loads
> > >   [ok] ldlat-stores

> > Can't this be:

> >   $ perf mem record -e list
> >   ldlat-loads:  Available on this machine
> >   ldlat-stores: Available on this machine
 
> hum IMO that would be quite long list if DATALA events will
> get in, so I wanted something short and punchy ;-)
 
> how about plaing it into back as you suggested
> with just 'available'
> 
> 	$ perf mem record -e list
> 	ldlat-loads:  available
> 	ldlat-stores: available

Fair enough, this is more in line with, say, 'perf test' output, i.e.:

  $ perf foo
  something: status/result

- Arnaldo