On 05/02/2021 12:48, Vincent Guittot wrote: > newidle_balance runs with both preempt and irq disabled which prevent > local irq to run during this period. The duration for updating of the > blocked load of CPUs varies according to the number of cgroups and
Maybe s/number of cgroups/number of CPU cgroups with non-decayed cfs_rq's (i.e. cfs_rq within the leaf cfs_rq list) > extends this critical period to an uncontrolled level. > > Remove the update from newidle_balance and trigger a normal ILB that > will take care of the update instead. > > Signed-off-by: Vincent Guittot <[email protected]> otherwise, LGTM. [...]
