On Fri, Mar 14, 2014 at 03:06:19PM -0700, Andy Zhou wrote:
> Acked-by: Andy Zhou <az...@nicira.com>
>
>
> On Tue, Mar 11, 2014 at 1:56 PM, Ben Pfaff <b...@nicira.com> wrote:
> > +void *
> > +ovsthread_stats_bucket_get(struct ovsthread_stats *stats,
> > + void *(*new_bucket)(void))
> > {
> > - c = &c[hash_int(ovsthread_id_self(), 0) % N_COUNTERS];
> > -
> > - ovs_mutex_lock(&c->c.mutex);
> > - c->c.value += n;
> > - ovs_mutex_unlock(&c->c.mutex);
> > + unsigned int hash = hash_int(ovsthread_id_self(), 0);
> > + unsigned int idx = hash & (ARRAY_SIZE(stats->buckets) - 1);
> >
>
> What's the advantage of using hashing over mod here ?
Do you mean, of hashing ovsthread_id_self() over just using it raw? I
guess I just hadn't considered using it raw. It is probably good
enough, so if that's what you mean then I'll use it that way.
>
> > + void *bucket = stats->buckets[idx];
> >
> What's the advantage
You didn't finish the thought there.
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