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| author | Peter Zijlstra <peterz@infradead.org> | 2023-10-14 23:12:20 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-08-17 11:06:40 +0200 |
| commit | f25b7b32b0db6d71b07b06fe8de45b0408541c2a (patch) | |
| tree | d382bfeb387f90826b678cba03aecf9e8a46e152 | |
| parent | ae04f69de0bef93c7086cf2983dbc8e8fd624ebe (diff) | |
| download | lwn-f25b7b32b0db6d71b07b06fe8de45b0408541c2a.tar.gz lwn-f25b7b32b0db6d71b07b06fe8de45b0408541c2a.zip | |
sched/eevdf: Add feature comments
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Tested-by: Valentin Schneider <vschneid@redhat.com>
Link: https://lkml.kernel.org/r/20240727105028.287790895@infradead.org
| -rw-r--r-- | kernel/sched/features.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sched/features.h b/kernel/sched/features.h index 929021fd6bc4..97fb2d492089 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) /* |