linux-kernel - [PATCH 07/12] perf hists browser: Fix callchain_node__count

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Message-Id: <1453643615-1616-8-git-send-email-namhyung@kernel.org>
Date:	Sun, 24 Jan 2016 22:53:30 +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>,
	Andi Kleen <andi@...stfloor.org>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 07/12] perf hists browser: Fix callchain_node__count_rows()

Like other functions, it should stop counting if there's any folded
callchain.  Because of this it occasionally lose the cursor at the end.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/ui/browsers/hists.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 349c5de73287..c7ca36dae89f 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -215,7 +215,7 @@ static int callchain_node__count_folded_rows(struct callchain_node *node __maybe
 static int callchain_node__count_rows(struct callchain_node *node)
 {
 	struct callchain_list *chain;
-	bool unfolded = false;
+	char folded_sign = ' ';
 	int n = 0;
 
 	if (callchain_param.mode == CHAIN_FLAT)
@@ -225,10 +225,13 @@ static int callchain_node__count_rows(struct callchain_node *node)
 
 	list_for_each_entry(chain, &node->val, list) {
 		++n;
-		unfolded = chain->unfolded;
+
+		folded_sign = callchain_list__folded(chain);
+		if (folded_sign == '+')
+			break;
 	}
 
-	if (unfolded)
+	if (folded_sign == '-')
 		n += callchain_node__count_rows_rb_tree(node);
 
 	return n;
-- 
2.6.4