linux-kernel - [PATCH v6 8/8] selftests/resctrl: Fix wrong format specifier

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Message-ID: <5c91c8deb7cfffeef6c32adfde9782df04f1082e.1697196663.git.maciej.wieczor-retman@intel.com>
Date:   Fri, 13 Oct 2023 13:36:32 +0200
From:   Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>
To:     Fenghua Yu <fenghua.yu@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Shuah Khan <shuah@...nel.org>
Cc:     ilpo.jarvinen@...ux.intel.com, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: [PATCH v6 8/8] selftests/resctrl: Fix wrong format specifier

Compiling resctrl selftest after adding a __printf() attribute to
ksft_print_msg() exposes -Wformat warning in show_cache_info().
The format specifier used expects a variable of type int but a long
unsigned int variable is passed instead.

Change the format specifier to match the passed variable.

Signed-off-by: Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>
---
Changelog v6:
- Add an explanation to the patch message on how the warning that the
  patch resolves was caught. (Shuah)

Changelog v4:
- Add Reinette's reviewed-by tag.

Changelog v3:
- Add Ilpo's reviewed-by tag.

Changelog v2:
- Add this patch to the series.

 tools/testing/selftests/resctrl/cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/resctrl/cache.c b/tools/testing/selftests/resctrl/cache.c
index d3cbb829ff6a..a5d082cd2d53 100644
--- a/tools/testing/selftests/resctrl/cache.c
+++ b/tools/testing/selftests/resctrl/cache.c
@@ -294,7 +294,7 @@ int show_cache_info(unsigned long sum_llc_val, int no_of_bits,
 	ret = platform && abs((int)diff_percent) > max_diff_percent &&
 	      (cmt ? (abs(avg_diff) > max_diff) : true);
 
-	ksft_print_msg("%s Check cache miss rate within %d%%\n",
+	ksft_print_msg("%s Check cache miss rate within %lu%%\n",
 		       ret ? "Fail:" : "Pass:", max_diff_percent);
 
 	ksft_print_msg("Percent diff=%d\n", abs((int)diff_percent));
-- 
2.42.0