Re: Implement lbr-as-callgraph v10

[Arnaldo Carvalho de Melo]

Em Wed, Nov 19, 2014 at 10:48:22PM +0100, Andi Kleen escreveu:
> On Wed, Nov 19, 2014 at 01:04:58PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Wed, Nov 19, 2014 at 11:10:27AM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Wed, Nov 19, 2014 at 11:54:50AM +0100, Jiri Olsa escreveu:
> > > > > > BUILD_BUG_ON then?
> > > > > 
> > > > > sounds gut
> > > > 
> > > > hum, acme/perf/core changed and so has the compile error ;-)
> > > > we dont overload the <linux/bug.h>, so the kernel one got
> > > > included, which is wrong.. attached patch fixes that
> > > 
> > > I had fixed this but not force pushed out, sorry.
> > > 
> > > Now I mistakenly tried running:
> > > 
> > > perf report --stdio --no-children --branch-history
> > > 
> > > on a file that has no BRANCH_STACK, i.e. a perf.data file on a wrong
 
> It works with -g.

What works with -g? perf report?


> Without -g it will just give an error message. I think that is ok, isn't it?
 
> > > directory since I'm comparing the output of --stdio, --tui and --gtk,
> > > since it looks --gtk is wrong, still unsure about what the problem is in
> > > that case, but stumbled on:
> > > 
> > 
> > I need to investigate this further, so I created a perf/branch-history
> > branch that has the patches I need to test more rebased on top of my
> > perf/core branch I just pushed out to Ingo.
> 
> 
> I tested --gtk and I don't see any differences to the console mode
> with --branch-history.  What problem do you see?

The difference is with --tui, but I haven't checked if this is a problem
introduced by your patchkit or if this is something that was there
before it was applied.

- Arnaldo
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