diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2023-05-31 13:58:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-07-19 09:43:58 +0200 |
| commit | 86bfbb7ce4f67a88df2639198169b685668e7349 (patch) | |
| tree | 43d0a9352919a405cae0586c7c38e8caca081f76 /include/linux/sched.h | |
| parent | e0c2ff903c320d3fd3c2c604dc401b3b7c0a1d13 (diff) | |
sched/fair: Add lag based placement
With the introduction of avg_vruntime, it is possible to approximate
lag (the entire purpose of introducing it in fact). Use this to do lag
based placement over sleep+wake.
Specifically, the FAIR_SLEEPERS thing places things too far to the
left and messes up the deadline aspect of EEVDF.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230531124603.794929315@infradead.org
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 2aab7be46f7e..ba1828b2a6a5 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -554,8 +554,9 @@ struct sched_entity { u64 exec_start; u64 sum_exec_runtime; - u64 vruntime; u64 prev_sum_exec_runtime; + u64 vruntime; + s64 vlag; u64 nr_migrations; |