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SubjectRe: [PATCH 1/6] sched/fair: remove update of blocked load from newidle_balance
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 <>

otherwise, LGTM.


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