Re: [GIT PULL 00/52] New Tool: perf c2c

[Jiri Olsa]

On Mon, Oct 24, 2016 at 11:23:28AM +0200, Ingo Molnar wrote:
> 
> * Jiri Olsa <jolsa@xxxxxxxxxx> wrote:
> 
> > > If I do 'perf report' I get two events:
> > > 
> > >  Available samples
> > >  24K cpu/mem-loads,ldlat=30/P
> > >  45K cpu/mem-stores/P
> > > 
> > > and both have some real data.
> > > 
> > > What am I missing?
> > 
> > hm, most likely you did not generate any remote HITMs.. if it was on the laptop?
> 
> Yeah.
> 
> > you might get some results for local HITMs with -d option:
> > 
> >   $ perf c2c report -d lcl
> > 
> > the default display/filter is for Remote HITMs.. perhaps we could be
> > smart enough and switch to local when we found no data for remote
> 
> Yeah, this did the trick.
> 
> Could we please make sure there's always actionable output by the tool? I.e. it 
> should either clearly refuse to work (due to lack of hw), or it should produce 
> something meaningful.

ok, will do

thanks,
jirka