The following commit has been merged into the sched/core branch of tip: Commit-ID: f25b7b32b0db6d71b07b06fe8de45b0408541c2a Gitweb: https://git.kernel.org/tip/f25b7b32b0db6d71b07b06fe8de45b0408541c2a Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> AuthorDate: Sat, 14 Oct 2023 23:12:20 +02:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Sat, 17 Aug 2024 11:06:40 +02:00 sched/eevdf: Add feature comments Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Valentin Schneider <vschneid@xxxxxxxxxx> Tested-by: Valentin Schneider <vschneid@xxxxxxxxxx> Link: https://lkml.kernel.org/r/20240727105028.287790895@xxxxxxxxxxxxx --- kernel/sched/features.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/kernel/sched/features.h b/kernel/sched/features.h index 929021f..97fb2d4 100644 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -5,7 +5,14 @@ * sleep+wake cycles. EEVDF placement strategy #1, #2 if disabled. */ SCHED_FEAT(PLACE_LAG, true) +/* + * Give new tasks half a slice to ease into the competition. + */ SCHED_FEAT(PLACE_DEADLINE_INITIAL, true) +/* + * Inhibit (wakeup) preemption until the current task has either matched the + * 0-lag point or until is has exhausted it's slice. + */ SCHED_FEAT(RUN_TO_PARITY, true) /*