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lockstat: repair erronous contention statistics

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Fix bad contention counting in /proc/lock_stat.

/proc/lockstat tries to gather per-ip contention
statistics per-lock.  This was failing due to
a garbage per-ip index selector being used.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Joe Korty 2008-08-25 17:16:23 -04:00 committed by Ingo Molnar
parent 2189459d25
commit 04148b73b8
1 changed files with 1 additions and 1 deletions
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2
kernel/lockdep.c
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@ -3029,7 +3029,7 @@ __lock_contended(struct lockdep_map *lock, unsigned long ip)
stats = get_lock_stats(hlock_class(hlock));
if (point < ARRAY_SIZE(stats->contention_point))
stats->contention_point[i]++;
stats->contention_point[point]++;
if (lock->cpu != smp_processor_id())
stats->bounces[bounce_contended + !!hlock->read]++;
put_lock_stats(stats);