Em Tue, May 05, 2015 at 10:12:45AM +0900, Namhyung Kim escreveu:
> Hi Arnaldo,
>
> On Mon, May 04, 2015 at 12:51:16PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Mon, May 04, 2015 at 12:42:27PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Wed, Apr 22, 2015 at 04:18:21PM +0900, Namhyung Kim escreveu:
> > > > The has_children and unfolded fields don't belong to struct map_symbol
> > > > since they're used by TUI only. Move those fields out of map_symbol
> > > > since the struct is also used by other places.
> >
> > > > This will also help to compact the sizeof struct hist_entry.
> >
> > > 7ee14d744acb33e5b3114484d7d850caecb339a2 is the first bad commit
> > > Author: Namhyung Kim <namhy...@kernel.org>
> > > Date: Wed Apr 22 16:18:21 2015 +0900
> >
> > > perf tools: Move TUI-specific fields out of map_symbol
> >
> > > So I am moving this series to the top of perf/core and then moving it to a
> > > separate branch, so that you can try to reproduce this and I can push the
> > > rest
> > > to Ingo, ok?
> >
> > Moved to perf/core-hists_browser
> >
> > > Ah, while trying to find new_slab() in callchains one other thing I tried
> > > was
> > > to press 'E', to expand all the callchains, and it segfaulted, unsure if
> > > this
> > > is related.
> >
> > It is related to this patchset, without it, I can press 'E' to expand
> > all callchains and then 'C' to collapse them all as usual.
>
> I tested and reproduced it. There's a recursion by mistake during
> refactoring. The fix is below, I'll send v2.
Does it fix those two reported problems? I'll check.
- Arnaldo
> Thanks,
> Namhyung
>
>
> diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> index f422e5e82a6a..7a70493e938c 100644
> --- a/tools/perf/ui/browsers/hists.c
> +++ b/tools/perf/ui/browsers/hists.c
> @@ -361,7 +361,7 @@ static int callchain__set_folding(struct rb_root *chain,
> bool unfold)
> static void hist_entry__set_folding(struct hist_entry *he, bool unfold)
> {
> hist_entry__init_have_children(he);
> - hist_entry__set_folding(he, unfold);
> + he->unfolded = unfold ? he->has_children : false;
>
> if (he->has_children) {
> int n = callchain__set_folding(&he->sorted_chain, unfold);
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