linux-kernel - [PATCH 10/11] perf ui/tui: Print helpline message as is

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Message-Id: <1452621556-10616-11-git-send-email-acme@kernel.org>
Date:	Tue, 12 Jan 2016 14:59:15 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>,
	Andi Kleen <andi@...stfloor.org>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 10/11] perf ui/tui: Print helpline message as is

From: Namhyung Kim <namhyung@...nel.org>

When a tip message contains a percent sign, it was treated printf format
specifier so broken string was printed like below.

  Tip: Limit to show entries above 577nly: perf report --percent-limit 5
                                   ^^^

As ui_browser__show receives format string, pass additional "%s" so that
the help (tip) message can be printed as is.

  Tip: Limit to show entries above 5% only: perf report --percent-limit 5

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/1452509594-13616-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/browsers/hists.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 901d481e6cea..08c09ad755d2 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -480,7 +480,7 @@ static int hist_browser__run(struct hist_browser *browser, const char *help)
 
 	hists__browser_title(browser->hists, hbt, title, sizeof(title));
 
-	if (ui_browser__show(&browser->b, title, help) < 0)
+	if (ui_browser__show(&browser->b, title, "%s", help) < 0)
 		return -1;
 
 	while (1) {
-- 
2.1.0