linux-kernel - [PATCHv2] perf hists: change print format from lu to PRIu64

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Message-ID: <1417541842-9747-1-git-send-email-tom.huynh@freescale.com>
Date:	Tue, 2 Dec 2014 11:37:22 -0600
From:	Tom Huynh <tom.huynh@...escale.com>
To:	<mingo@...hat.com>, <acme@...nel.org>, <namhyung@...nel.org>,
	<jolsa@...nel.org>
CC:	<a.p.zijlstra@...llo.nl>, <paulus@...ba.org>,
	<kim.phillips@...escale.com>, <linux-kernel@...r.kernel.org>,
	<mmullins@...x.us>, Tom Huynh <tom.huynh@...escale.com>
Subject: [PATCHv2] perf hists: change print format from lu to PRIu64

nr_events in tools/perf/ui/browsers/hists.c is of type u64, so the print
format (%lu) causes perf report to show 0 event count when running with 
32-bit userspace without redirection. This patch fixes that problem by
printing nr_events as PRIu64. 

Signed-off-by: Tom Huynh <tom.huynh@...escale.com>
---
change since v1: replace %llu with PRIu64

 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 cfb976b..c6d68b8 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1254,7 +1254,7 @@ static int hists__browser_title(struct hists *hists,
 
 	nr_samples = convert_unit(nr_samples, &unit);
 	printed = scnprintf(bf, size,
-			   "Samples: %lu%c of event '%s', Event count (approx.): %lu",
+			   "Samples: %lu%c of event '%s', Event count (approx.): %" PRIu64,
 			   nr_samples, unit, ev_name, nr_events);
 
 
-- 
1.9.1

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