From: John Kacur <jkacur@redhat.com>
To: RT <linux-rt-users@vger.kernel.org>
Cc: Clark Williams <williams@redhat.com>, John Kacur <jkacur@redhat.com>
Subject: [PATCH 7/8] rt-tests: deadline_test: Exit with message if threads less than 1
Date: Fri, 27 Aug 2021 18:02:43 -0400 [thread overview]
Message-ID: <20210827220244.24210-8-jkacur@redhat.com> (raw)
In-Reply-To: <20210827220244.24210-1-jkacur@redhat.com>
If the user tries to run deadline_test with threads less than 1 (zero
for example), then exit with an error message.
Signed-off-by: John Kacur <jkacur@redhat.com>
---
src/sched_deadline/deadline_test.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/sched_deadline/deadline_test.c b/src/sched_deadline/deadline_test.c
index 1763c71486a9..53abd4d2ca6b 100644
--- a/src/sched_deadline/deadline_test.c
+++ b/src/sched_deadline/deadline_test.c
@@ -1817,6 +1817,11 @@ int main(int argc, char **argv)
exit(-1);
}
+ if (nr_threads < 1) {
+ fprintf(stderr, "The number of threads must be at least 1\n");
+ exit(-1);
+ }
+
if (setcpu) {
nr_cpus = calc_nr_cpus(setcpu, &setcpu_buf);
if (nr_cpus < 0) {
--
2.31.1
next prev parent reply other threads:[~2021-08-27 22:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-27 22:02 [PATCH 0/8] Some miscellanous fixes John Kacur
2021-08-27 22:02 ` [PATCH 1/8] rt-tests: deadline_test: Move va_start forward John Kacur
2021-08-27 22:02 ` [PATCH 2/8] rt-tests: deadline_test: Remove deadcode John Kacur
2021-08-27 22:02 ` [PATCH 3/8] rt-tests: ptsematest: " John Kacur
2021-08-27 22:02 ` [PATCH 4/8] rt-tests: pi_stress: Don't call free on alloca John Kacur
2021-08-27 22:02 ` [PATCH 5/8] rt-tests: pip_stress: Add missing paramater in error message John Kacur
2021-08-27 22:02 ` [PATCH 6/8] rt-tests: pi_stress: Add missing parameter and fix types John Kacur
2021-08-27 22:02 ` John Kacur [this message]
2021-08-27 22:02 ` [PATCH 8/8] rt-numa: Use sched_getaffinity() instead of pthread_getaffinity_np() John Kacur
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