On Wed, Jun 22, 2016 at 06:03:15PM +0100, Morten Rasmussen wrote: > Add a topology flag to the sched_domain hierarchy indicating > sched_groups at this sched_domain level having different per cpu > capacity (e.g. big.LITTLE big-only and little-only groups) or groups in > sibling domains with different capacity.
> IOW, domains not spanning cpus > of all available capacities up until and including the first level > spanning cpus of all capacities available system wide. This ^, which would be SD1 below, why? I would expect only SD2 to be tagged, since that does indeed have asymmetric capacities. > > SD 2 [ 0 1 2 3] SD_ASYM_CPUCAPACITY > > SD 1 [ 0 1] [ 2 3] SD_ASYM_CPUCAPACITY > > cpu: 0 1 2 3 > capacity: 756 756 1024 1024 >