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| author | Ingo Molnar <mingo@elte.hu> | 2007-08-09 09:16:45 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-08-09 09:16:45 (GMT) |
| commit | 0915c4e89d311948b67cdd4c183a2efbcafcc9f9 (patch) | |
| tree | fc6175a3d735f738a113be089a6e534e3a351b11 | |
| parent | 4a2a4df7b6db25df8f3d5cc6dd0b096119359d92 (diff) | |
| download | linux-0915c4e89d311948b67cdd4c183a2efbcafcc9f9.tar.xz | |
sched: batch sleeper bonus
batch up the sleeper bonus sum a bit more. Anything below
sched-granularity is too small to make a practical difference
anyway.
this optimization reduces the math in high-frequency scheduling
scenarios.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | kernel/sched_fair.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 6f579ff..9f40158 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -300,7 +300,7 @@ __update_curr(struct cfs_rq *cfs_rq, struct sched_entity *curr, u64 now) delta_fair = calc_delta_fair(delta_exec, lw); delta_mine = calc_delta_mine(delta_exec, curr->load.weight, lw); - if (cfs_rq->sleeper_bonus > sysctl_sched_stat_granularity) { + if (cfs_rq->sleeper_bonus > sysctl_sched_granularity) { delta = calc_delta_mine(cfs_rq->sleeper_bonus, curr->load.weight, lw); if (unlikely(delta > cfs_rq->sleeper_bonus)) |