Re: [PATCH 13/16] perf callchain: Switch default to 'graph,0.5,caller'

From: Arnaldo Carvalho de Melo
Date: Wed Oct 21 2015 - 09:24:52 EST


Em Wed, Oct 21, 2015 at 10:21:36AM +0900, Namhyung Kim escreveu:
> On Tue, Oct 20, 2015 at 03:44:04PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Oct 20, 2015 at 07:21:16PM +0200, Frederic Weisbecker escreveu:
> > > On Tue, Oct 20, 2015 at 10:06:51AM -0300, Arnaldo Carvalho de Melo wrote:
> > And I noticed some other shortcoming of this ordering (caller) the stack
> > closer to userspace in a typical perf.data with callchains (perf record
> > -g) can have bogus addresses (-fomit-frame-pointer) :-\

> Maybe we need to add an option to ignore unresolved callchains?

We have:

-U, --hide-unresolved
Only display entries resolved to a symbol

But I think the problem here is different, its not about unresolved
stuff, its about invalid addresses, no?

- Arnaldo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/