[Devel] [PATCH vz10 10/15] selftests/mqueue: fix warnings in mq_perf_tests

[Vasileios Almpanis]

Reviewed-by: Vasileios Almpanis <vasileios.almpanis at virtuozzo.com>

On 3/23/26 9:31 PM, Konstantin Khorenko wrote:
>    mq_perf_tests.c: In function 'perf_test_thread':
>    mq_perf_tests.c:433:20: warning: variable 't' set but not used [-Wunused-but-set-variable]
>      433 |         pthread_t *t;
>          |                    ^
>    mq_perf_tests.c: At top level:
>    mq_perf_tests.c:45:14: warning: 'usage' defined but not used [-Wunused-variable]
>       45 | static char *usage =
>          |              ^~~~~
>
> - Mark 'usage' with __attribute__((unused)) to fix -Wunused-variable.
> - Remove unused variable 't' to fix -Wunused-but-set-variable.
>
> https://virtuozzo.atlassian.net/browse/VSTOR-127529
> Signed-off-by: Konstantin Khorenko <khorenko at virtuozzo.com>
>
> Feature: fix selftests
> ---
>   tools/testing/selftests/mqueue/mq_perf_tests.c | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/tools/testing/selftests/mqueue/mq_perf_tests.c b/tools/testing/selftests/mqueue/mq_perf_tests.c
> index fb898850867c..8557a968aa6a 100644
> --- a/tools/testing/selftests/mqueue/mq_perf_tests.c
> +++ b/tools/testing/selftests/mqueue/mq_perf_tests.c
> @@ -42,7 +42,7 @@
>   
>   #include "../kselftest.h"
>   
> -static char *usage =
> +static char __attribute__((unused)) *usage =
>   "Usage:\n"
>   "  %s [-c #[,#..] -f] path\n"
>   "\n"
> @@ -430,12 +430,10 @@ void *perf_test_thread(void *arg)
>   	unsigned int prio_in;
>   	int i;
>   	clockid_t clock;
> -	pthread_t *t;
>   	struct timespec res, start, middle, end, send_total, recv_total;
>   	unsigned long long nsec;
>   	struct test *cur_test;
>   
> -	t = &cpu_threads[0];
>   	printf("\n\tStarted mqueue performance test thread on CPU %d\n",
>   	       cpus_to_pin[0]);
>   	mq_prio_max = sysconf(_SC_MQ_PRIO_MAX);