linux-kernel - Re: [BUG] perf mem: perf mem report fails in TUI mode

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Date:	Wed, 10 Dec 2014 17:12:46 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	Namhyung Kim <namhyung@...nel.org>,
	David Ahern <dsahern@...il.com>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>
Subject: Re: [BUG] perf mem: perf mem report fails in TUI mode

On Wed, Dec 10, 2014 at 10:46:59AM -0500, Stephane Eranian wrote:
> On Wed, Dec 10, 2014 at 10:30 AM, Jiri Olsa <jolsa@...hat.com> wrote:
> > On Tue, Dec 09, 2014 at 11:15:13PM -0500, Stephane Eranian wrote:
> >> Hi,
> >>
> >> I was running a couple of tests with perf mem from tip.git and
> >> found that perf mem -t load rep was failing only in TUI mode.
> >> With --stdio, it works fine. I did a bit of investigation and found
> >> out that the TUI mode is failing because some symbol (kernel)
> >> is showing up with a huge (negative) size. I don't understand
> >> the connection between the TUI vs. tty browser and symbols.
> >>
> >> To reproduce:
> >>     $ perf mem -t load rec my_test_program
> >>     $ perf mem -t load rep
> >>     $ perf mem -t load rep --stdio
> >
> > hi,
> > I couldn't reproduce any failure on the acme's perf/core
> >
> What about tip.git?

works for me

> 
> > since you indicated it's data dependent, could you share
> > your perf.data?
> >
> I can send it to you directly.

ok, I'll check

jirka
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