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lockstat: contend with points

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We currently only provide points that have to wait on contention, also
lists the points we have to wait for.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra
2008-10-16 23:17:09 +02:00
committed by Ingo Molnar
parent 7317d7b87e
commit c7e78cff6b
5 changed files with 82 additions and 37 deletions
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kernel/mutex.c
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@@ -184,7 +184,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
}
done:
lock_acquired(&lock->dep_map);
lock_acquired(&lock->dep_map, ip);
/* got the lock - rejoice! */
mutex_remove_waiter(lock, &waiter, task_thread_info(task));
debug_mutex_set_owner(lock, task_thread_info(task));