On Tue, 8 Oct 2019 at 19:55, Peter Zijlstra <[email protected]> wrote: > > On Thu, Sep 19, 2019 at 09:33:35AM +0200, Vincent Guittot wrote: > > + if (busiest->group_type == group_asym_packing) { > > + /* > > + * In case of asym capacity, we will try to migrate all load > > to > > + * the preferred CPU. > > + */ > > + env->balance_type = migrate_load; > > env->imbalance = busiest->group_load; > > return; > > } > > I was a bit surprised with this; I sorta expected a migrate_task,1 here.
I have just kept current mechanism > > The asym_packing thing has always been a nr_running issue to me. If > there is something to run, we should run on as many siblings/cores as > possible, but preferably the 'highest' ranked siblings/cores. I can probably set the number of running task to migrate instead of the load >
