[PATCH 1/1] perf bench evlist-open-close: Use PRIu64 with u64 to fix build on 32-bit architectures

From: Arnaldo Carvalho de Melo
Date: Mon Aug 30 2021 - 14:50:00 EST


Hi Riccardo,

I'm applying this one here, please take this into account in the
future when using u64 in printf-like routines.

- Arnaldo

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

73 9.00 ubuntu:18.04-x-powerpc : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
bench/evlist-open-close.c: In function 'bench_evlist_open_close__run':
bench/evlist-open-close.c:173:12: error: format '%ld' expects argument of type 'long int', but argument 5 has type 'u64 {aka long long unsigned int}' [-Werror=format=]
pr_debug("Iteration %d took:\t%ldus\n", i, runtime_us);
^
bench/../util/debug.h:18:21: note: in definition of macro 'pr_fmt'
#define pr_fmt(fmt) fmt
^~~
bench/evlist-open-close.c:173:3: note: in expansion of macro 'pr_debug'
pr_debug("Iteration %d took:\t%ldus\n", i, runtime_us);
^~~~~~~~
cc1: all warnings being treated as errors
/git/perf-5.14.0/tools/build/Makefile.build:139: recipe for target 'bench' failed

Cc: Riccardo Mancini <rickyman7@xxxxxxxxx>
Fixes: 4241eabf59d5b7e9 ("perf bench: Add benchmark for evlist open/close operations")
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/bench/evlist-open-close.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/bench/evlist-open-close.c b/tools/perf/bench/evlist-open-close.c
index 674cb14cbaa9ef2c..83e9897c64a13179 100644
--- a/tools/perf/bench/evlist-open-close.c
+++ b/tools/perf/bench/evlist-open-close.c
@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
+#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
@@ -170,7 +171,7 @@ static int bench_evlist_open_close__run(char *evstr)
update_stats(&time_stats, runtime_us);

evlist__delete(evlist);
- pr_debug("Iteration %d took:\t%ldus\n", i, runtime_us);
+ pr_debug("Iteration %d took:\t%" PRIu64 "us\n", i, runtime_us);
}

time_average = avg_stats(&time_stats);
--
2.31.1