Re: [PATCH] perf script report: fix segfault when using DWARF mode

From: Arnaldo Carvalho de Melo
Date: Mon Apr 06 2020 - 08:59:22 EST


Em Mon, Apr 06, 2020 at 11:30:23AM +0200, Andreas Gerstmayr escreveu:
> On 03.04.20 15:16, Andreas Gerstmayr wrote:
> > On 03.04.20 14:40, Arnaldo Carvalho de Melo wrote:
> > > Em Thu, Apr 02, 2020 at 02:07:51PM -0500, Kim Phillips escreveu:
> > > > On 4/2/20 7:54 AM, Andreas Gerstmayr wrote:
> > > > > When running perf script report with a Python script and a callgraph in
> > > > > DWARF mode, intr_regs->regs can be 0 and therefore crashing
> > > > > the regs_map
> > > > > function.

> > > > > Added a check for this condition (same check as in
> > > > > builtin-script.c:595).

> > > > > Signed-off-by: Andreas Gerstmayr <agerstmayr@xxxxxxxxxx>

> > > > Tested-by: Kim Phillips <kim.phillips@xxxxxxx>

> > > Thanks, added this to that patch.

> > Great, thanks!

> Ah, I thought you were referring to my initial flamegraph.py perf script.
> Is there anything I can do to get it merged?

I'll test it today, were there any Tested-by: or Reviewed-by: to that
flamegraph.py?

That is not yet a strict requirement for having patches accepted, but
help me a lot in dedicating time to test things that passed thru some
testing by other people,

Thanks,

- Arnaldo