Re: [RFC] [Patch 4/4] lock contention tracking slimmed down

Martin Peschke
2007-06-08T17:00:31Z

Peter Zijlstra wrote:
> I'm confused as to where the class->stat objects are initialised? Is
> that done in lock_stat_init()? If so, then you have a bug.

static struct lock_class lock_classes[MAX_LOCKDEP_KEYS];

I assume this gets us class structures containing all zeros, doesn't it?
Then class->stat is zeros as well, which is handled by lib/statistics.
(In this case, data gathering hasn't been turned on yet, and statistic_inc()
and similar functions don't access other areas of struct statistic.)

Martin