Hi Arnaldo,

On Thu, Mar 19, 2015 at 3:58 PM, Arnaldo Carvalho de Melo
<a...@kernel.org> wrote:
>
> Hi Stephane,
>
>         This patch, together with what is in my perf/core branch, should
> implement that feature we talked about recently, i.e. to allow
> annotating entries in callchains, please take a look at see if you think
> it is ok,
>
I tried on tip.git and a simple example. It does what I wanted.
I will try on more complex test cases.
Thanks for implementing this quickly.

>
> - Arnaldo
>
>
> From: Arnaldo Carvalho de Melo <a...@redhat.com>
> Subject: [PATCH 1/1] perf hists browser: Indicate which callchain entries are 
> annotated
>
> Now that we can annotate entries in a callchain, show which ones have an
> associated symbol and samples, by adding a right arrow just before the
> symbol name when in verbose mode.
>
> To toggle verbose mode press 'V'.
>
> Cc: Adrian Hunter <adrian.hun...@intel.com>
> Cc: Borislav Petkov <b...@suse.de>
> Cc: David Ahern <dsah...@gmail.com>
> Cc: Don Zickus <dzic...@redhat.com>
> Cc: Frederic Weisbecker <fweis...@gmail.com>
> Cc: Jiri Olsa <jo...@redhat.com>
> Cc: Mike Galbraith <efa...@gmx.de>
> Cc: Namhyung Kim <namhy...@kernel.org>
> Cc: Peter Zijlstra <pet...@infradead.org>
> Cc: Stephane Eranian <eran...@google.com>
> Link: http://lkml.kernel.org/n/tip-d2rf1p3h5gdp7hdl2gf2b...@git.kernel.org
> Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
> ---
>  tools/perf/ui/browsers/hists.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> index cd7350aeb8e7..995b7a8596b1 100644
> --- a/tools/perf/ui/browsers/hists.c
> +++ b/tools/perf/ui/browsers/hists.c
> @@ -511,6 +511,7 @@ static void hist_browser__show_callchain_entry(struct 
> hist_browser *browser,
>  {
>         int color, width;
>         char folded_sign = callchain_list__folded(chain);
> +       bool show_annotated = browser->show_dso && chain->ms.sym && 
> symbol__annotation(chain->ms.sym)->src;
>
>         color = HE_COLORSET_NORMAL;
>         width = browser->b.width - (offset + 2);
> @@ -523,7 +524,8 @@ static void hist_browser__show_callchain_entry(struct 
> hist_browser *browser,
>         ui_browser__set_color(&browser->b, color);
>         hist_browser__gotorc(browser, row, 0);
>         slsmg_write_nstring(" ", offset);
> -       slsmg_printf("%c ", folded_sign);
> +       slsmg_printf("%c", folded_sign);
> +       ui_browser__write_graph(&browser->b, show_annotated ? 
> SLSMG_RARROW_CHAR : ' ');
>         slsmg_write_nstring(str, width);
>  }
>
> --
> 1.9.3
>
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