linux-kernel - [tip:perf/core] perf data: Fix building in 32 bit platform with libbabeltrace

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Date:   Thu, 29 Sep 2016 11:11:04 -0700
From:   tip-bot for Wang Nan <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     wangnan0@...wei.com, lizefan@...wei.com, hpa@...or.com,
        mingo@...nel.org, acme@...hat.com, jolsa@...nel.org,
        tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf data: Fix building in 32 bit platform with
 libbabeltrace

Commit-ID:  f2c8852e6e990fcab0d9e68de9d86e5fbea0b5dc
Gitweb:     http://git.kernel.org/tip/f2c8852e6e990fcab0d9e68de9d86e5fbea0b5dc
Author:     Wang Nan <wangnan0@...wei.com>
AuthorDate: Wed, 28 Sep 2016 03:58:46 +0000
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 28 Sep 2016 10:38:20 -0300

perf data: Fix building in 32 bit platform with libbabeltrace

On ARM32 building it report following error when we build with
libbabeltrace:

  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: Jiri Olsa <jolsa@...nel.org>
Cc: Zefan Li <lizefan@...wei.com>
Cc: pi3orama@....com
Fixes: 6122d57e9f7c ("perf data: Support converting data from bpf_perf_event_output()")
Link: http://lkml.kernel.org/r/1475035126-146587-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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");