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

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Date:   Tue,  8 Nov 2016 22:08:31 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Jiri Olsa <jolsa@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Markus Trippelsdorf <markus@...ppelsdorf.de>
Subject: [PATCH 2/4] perf hist browser: Show folded sign properly on --hierarchy

When horizontall scrolling is used in hierarchy mode, the folded signed
disappears at the right most column.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 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