48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
From 5821269dde6a778b0af06c172bc2f19bbe324bda Mon Sep 17 00:00:00 2001
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From: John Kacur <jkacur@redhat.com>
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Date: Fri, 12 Feb 2021 12:22:23 -0500
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Subject: [PATCH 3/3] rt-tests: oslat: Allocate memory for cpu_set
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- cpu_set is a pointer to a bitmask struct
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Memory needs to be allocated for the struct, so call
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numa_allocate_cpumask()
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- use rt-tests fatal to exit on error conditions
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Reviewed-by: Daniel Wagner <dwagner@suse.de>
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Signed-off-by: John Kacur <jkacur@redhat.com>
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---
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src/oslat/oslat.c | 9 +++++++--
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1 file changed, 7 insertions(+), 2 deletions(-)
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diff --git a/src/oslat/oslat.c b/src/oslat/oslat.c
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index 2fe550b3ee12..2a3be393a268 100644
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--- a/src/oslat/oslat.c
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+++ b/src/oslat/oslat.c
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@@ -727,6 +727,10 @@ int main(int argc, char *argv[])
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exit(1);
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}
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+ cpu_set = numa_allocate_cpumask();
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+ if (!cpu_set)
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+ fatal("oslat: Could not allocate cpumask\n");
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+
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g.app_name = argv[0];
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g.rtprio = 0;
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g.bucket_size = BUCKET_SIZE;
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@@ -742,8 +746,9 @@ int main(int argc, char *argv[])
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if (!g.cpu_list)
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g.cpu_list = strdup("all");
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- if (parse_cpumask(g.cpu_list, max_cpus, &cpu_set))
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- exit(1);
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+
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+ if (parse_cpumask(g.cpu_list, max_cpus, &cpu_set) != 0)
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+ fatal("oslat: parse_cpumask failed.\n");
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n_cores = numa_bitmask_weight(cpu_set);
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TEST(threads = calloc(1, n_cores * sizeof(threads[0])));
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--
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2.26.2
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