sched/fair: Simplify util_est

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With UTIL_EST_FASTUP now being permanent, we can take advantage of the
fact that the ewma jumps directly to a higher utilization at dequeue to
simplify util_est and remove the enqueued field.

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Reviewed-by: Hongyan Xia <hongyan.xia2@arm.com>
Reviewed-by: Alex Shi <alexs@kernel.org>
Link: https://lore.kernel.org/r/20231201161652.1241695-3-vincent.guittot@linaro.org

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Vincent Guittot 2023-12-01 17:16:52 +01:00 • committed by Ingo Molnar

parent 7736ae5572

commit 11137d3849

4 changed files with 48 additions and 94 deletions

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49

include/linux/sched.h

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7

kernel/sched/debug.c

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82

kernel/sched/fair.c

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4

kernel/sched/pelt.h

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