diff options
| author | Jonathan Schwender <schwenderjonathan@gmail.com> | 2021-05-18 10:37:11 +0200 |
|---|---|---|
| committer | John Kacur <jkacur@redhat.com> | 2021-06-17 09:02:28 -0400 |
| commit | 5290b62d3e9099e144b2369f3d835fab5d8e415f (patch) | |
| tree | b1fe24706a838f9a3a2ef5be12637b63250e273f | |
| parent | fca9fc32b0e6b2bf202787e25f4bda279c4d0ca7 (diff) | |
| download | rt-tests-5290b62d3e9099e144b2369f3d835fab5d8e415f.tar.gz | |
cyclictest: Move main pid setaffinity handling into a function
Move error handling for setting the affinity of the main thread
into a separate function.
This prevents duplicating the code in the next commit,
where the main thread pid can be restricted to one of
two bitmasks depending on the passed parameters.
Signed-off-by: Jonathan Schwender <schwenderjonathan@gmail.com>
Signed-off-by: John Kacur <jkacur@redhat.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
| -rw-r--r-- | src/cyclictest/cyclictest.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c index a561443..edb0c70 100644 --- a/src/cyclictest/cyclictest.c +++ b/src/cyclictest/cyclictest.c @@ -1768,6 +1768,17 @@ static void write_stats(FILE *f, void *data) fprintf(f, " }\n"); } +static void set_main_thread_affinity(struct bitmask *cpumask) +{ + int res; + + errno = 0; + res = numa_sched_setaffinity(getpid(), cpumask); + if (res != 0) + warn("Couldn't setaffinity in main thread: %s\n", + strerror(errno)); +} + int main(int argc, char **argv) { sigset_t sigset; @@ -1792,13 +1803,7 @@ int main(int argc, char **argv) /* Restrict the main pid to the affinity specified by the user */ if (affinity_mask != NULL) { - int res; - - errno = 0; - res = numa_sched_setaffinity(getpid(), affinity_mask); - if (res != 0) - warn("Couldn't setaffinity in main thread: %s\n", strerror(errno)); - + set_main_thread_affinity(affinity_mask); if (verbose) printf("Using %u cpus.\n", numa_bitmask_weight(affinity_mask)); |