Re: [PATCH 2/4] perf hist browser: Show folded sign properly on --hierarchy

From: Arnaldo Carvalho de Melo
Date: Wed Nov 09 2016 - 09:28:21 EST


Em Tue, Nov 08, 2016 at 10:08:31PM +0900, Namhyung Kim escreveu:
> When horizontall scrolling is used in hierarchy mode, the folded signed
> disappears at the right most column.

Humm, this indeed shows the '+' folded signal after pressing ->, but it
moves from the first to the third column :-\

- Arnaldo

> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> ---
> tools/perf/ui/browsers/hists.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
> index fe5677ccbc22..7722ad311318 100644
> --- a/tools/perf/ui/browsers/hists.c
> +++ b/tools/perf/ui/browsers/hists.c
> @@ -1381,8 +1381,14 @@ static int hist_browser__show_hierarchy_entry(struct hist_browser *browser,
> }
>
> perf_hpp_list__for_each_format(entry->hpp_list, fmt) {
> - ui_browser__write_nstring(&browser->b, "", 2);
> - width -= 2;
> + if (first) {
> + ui_browser__printf(&browser->b, "%c ", folded_sign);
> + width -= 2;
> + first = false;
> + } else {
> + ui_browser__write_nstring(&browser->b, "", 2);
> + width -= 2;
> + }
>
> /*
> * No need to call hist_entry__snprintf_alignment()
> --
> 2.10.1