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authorJoe Korty <joe.korty@ccur.com>2008-08-25 17:16:23 -0400
committerIngo Molnar <mingo@elte.hu>2008-08-26 04:37:47 -0400
commit04148b73b89d49fe0fe201bcee395e51f7d637ce (patch)
treeba55c40dcd5ef2c5e42914a48acf45d1625d670b
parent2189459d25a47401c69a17794c9d390c890351f9 (diff)
lockstat: repair erronous contention statistics
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>
-rw-r--r--kernel/lockdep.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 3bfb1877a003..b5db51d2803d 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3029,7 +3029,7 @@ found_it:
3029 3029
3030 stats = get_lock_stats(hlock_class(hlock)); 3030 stats = get_lock_stats(hlock_class(hlock));
3031 if (point < ARRAY_SIZE(stats->contention_point)) 3031 if (point < ARRAY_SIZE(stats->contention_point))
3032 stats->contention_point[i]++; 3032 stats->contention_point[point]++;
3033 if (lock->cpu != smp_processor_id()) 3033 if (lock->cpu != smp_processor_id())
3034 stats->bounces[bounce_contended + !!hlock->read]++; 3034 stats->bounces[bounce_contended + !!hlock->read]++;
3035 put_lock_stats(stats); 3035 put_lock_stats(stats);