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locktorture: Forgive apparent unfairness if CPU hotplug 

If CPU hotplug testing is enabled, a lock might appear to be maximally
unfair just because one of the CPUs was offline almost all the time.
This commit therefore forgives unfairness if CPU hotplug testing was
enabled.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-01-30 20:37:04 -08:00
parent c0e1472d80
commit 28e09a2e48
1 changed files with 2 additions and 1 deletions
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3
kernel/locking/locktorture.c
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@ -704,7 +704,8 @@ static void __torture_print_stats(char *page,
page += sprintf(page,
"%s: Total: %lld Max/Min: %ld/%ld %s Fail: %d %s\n",
write ? "Writes" : "Reads ",
sum, max, min, max / 2 > min ? "???" : "",
sum, max, min,
!onoff_interval && max / 2 > min ? "???" : "",
fail, fail ? "!!!" : "");
if (fail)
atomic_inc(&cxt.n_lock_torture_errors);