On Mon, Nov 30, 2015 at 02:13:32PM -0500, Waiman Long wrote: > >This begs the question tough; why are you running a global load in a > >cgroup; and do we really need to update this for the root cgroup? It > >seems to me we don't need calc_tg_weight() for the root cgroup, it > >doesn't need to normalize its weight numbers. > > > >That is; isn't this simply a problem we should avoid? > > I didn't use any cgroup in my test setup. Autogroup was enabled, though. > Booting up a 4.4-rc2 kernel caused sched_create_group() to be called 56 > times.
Yeah, can you kill autogroup and see if that helps? If not, we probably should add some code to avoid calculating things for the root group. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/