On Fri, 14 Mar 2014 15:00:06 +0100, Jiri Olsa wrote:
> + if (!mg) {
> + struct thread *leader = thread__get_leader(thread);
> +
> + if (!leader)
> + return NULL;
> +
> + if (leader->mg)
> + mg = leader->mg;
> + else
> + mg = thread__map_groups_alloc(leader);
> +
> + if (leader != thread)
> + thread->mg = mg;
> +
> + mg->refcnt++;
What's the value of mg->refcnt here in case of leader != thread and
leader->mg was not allocated originally? I think it's 1 - but shouldn't
it be 2 since it's referenced from both of leader and the thread now?
Thanks,
Namhyung
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