On Thu, Apr 13, 2017 at 10:56:09AM -0300, Lauro Ramos Venancio wrote: > Currently, the group balance cpu is the groups's first CPU. But with > overlapping groups, two different groups can have the same first CPU. > > This patch uses the group mask to mark all the CPUs that have a > particular group as its main sched group. The group balance cpu is the > first group CPU that is also in the mask.
Please give a NUMA configuration and CPU number where this goes wrong. Because only the first group of a domain matters, and with the other thing fixed, I'm not immediately seeing where we go wobbly.
