linux-kernel - [PATCH] perf tools: Fix building in 32 bit platform

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Date:   Wed, 28 Sep 2016 03:58:46 +0000
From:   Wang Nan <wangnan0@...wei.com>
To:     <acme@...nel.org>
CC:     <lizefan@...wei.com>, <linux-kernel@...r.kernel.org>,
        <pi3orama@....com>, Wang Nan <wangnan0@...wei.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Jiri Olsa <jolsa@...nel.org>
Subject: [PATCH] perf tools: Fix building in 32 bit platform

On ARM32 building it report following error:

util/data-convert-bt.c: In function 'add_bpf_output_values':
util/data-convert-bt.c:440:3: error: format '%lu' expects argument of type 'long unsigned int', but argument 5 has type 'unsigned int' [-Werror=format]
cc1: all warnings being treated as errors

Fix it by changing %lu to %zu.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/data-convert-bt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 4f979bb..7123f4d 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -437,7 +437,7 @@ add_bpf_output_values(struct bt_ctf_event_class *event_class,
 	int ret;
 
 	if (nr_elements * sizeof(u32) != raw_size)
-		pr_warning("Incorrect raw_size (%u) in bpf output event, skip %lu bytes\n",
+		pr_warning("Incorrect raw_size (%u) in bpf output event, skip %zu bytes\n",
 			   raw_size, nr_elements * sizeof(u32) - raw_size);
 
 	len_type = bt_ctf_event_class_get_field_by_name(event_class, "raw_len");
-- 
1.8.3.4