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(parent: 9d783c8) | patch
sched/fair: Wait before decaying max_newidle_lb_cost
authorVincent Guittot <vincent.guittot@linaro.org>
Tue, 19 Oct 2021 12:35:35 +0000 (14:35 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Sun, 31 Oct 2021 10:11:38 +0000 (11:11 +0100)
commite60b56e46b384cee1ad34e6adc164d883049c6c3
treefbef67008a7ce5d24913b43f5df56d3629ed3de5tree | snapshot
parent9d783c8dd112ad4b619e74e4bf57d2be0b400693commit | diff
sched/fair: Wait before decaying max_newidle_lb_cost

Decay max_newidle_lb_cost only when it has not been updated for a while
and ensure to not decay a recently changed value.

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Link: https://lore.kernel.org/r/20211019123537.17146-4-vincent.guittot@linaro.org
include/linux/sched/topology.h diff | blob | history
kernel/sched/fair.c diff | blob | history
kernel/sched/topology.c diff | blob | history
Domain: System / Kernel;