diff options
author | Ingo Molnar <mingo@elte.hu> | 2007-08-09 05:16:45 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2007-08-09 05:16:45 -0400 |
commit | 0915c4e89d311948b67cdd4c183a2efbcafcc9f9 (patch) | |
tree | fc6175a3d735f738a113be089a6e534e3a351b11 /kernel/sched_fair.c | |
parent | 4a2a4df7b6db25df8f3d5cc6dd0b096119359d92 (diff) |
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>
Diffstat (limited to 'kernel/sched_fair.c')
-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 6f579ff5a9bc..9f401588d509 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) | |||
300 | delta_fair = calc_delta_fair(delta_exec, lw); | 300 | delta_fair = calc_delta_fair(delta_exec, lw); |
301 | delta_mine = calc_delta_mine(delta_exec, curr->load.weight, lw); | 301 | delta_mine = calc_delta_mine(delta_exec, curr->load.weight, lw); |
302 | 302 | ||
303 | if (cfs_rq->sleeper_bonus > sysctl_sched_stat_granularity) { | 303 | if (cfs_rq->sleeper_bonus > sysctl_sched_granularity) { |
304 | delta = calc_delta_mine(cfs_rq->sleeper_bonus, | 304 | delta = calc_delta_mine(cfs_rq->sleeper_bonus, |
305 | curr->load.weight, lw); | 305 | curr->load.weight, lw); |
306 | if (unlikely(delta > cfs_rq->sleeper_bonus)) | 306 | if (unlikely(delta > cfs_rq->sleeper_bonus)) |