From 155bb293ae8387526e6e07d42b1691104e55d9a2 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 15 Oct 2007 17:00:13 +0200 Subject: [PATCH] sched: tweak wakeup granularity tweak wakeup granularity. Signed-off-by: Ingo Molnar --- kernel/sched_fair.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index fa78686ec227..0856701db14e 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -58,23 +58,23 @@ unsigned int __read_mostly sysctl_sched_compat_yield; /* * SCHED_BATCH wake-up granularity. - * (default: 25 msec, units: nanoseconds) + * (default: 10 msec, units: nanoseconds) * * This option delays the preemption effects of decoupled workloads * and reduces their over-scheduling. Synchronous workloads will still * have immediate wakeup/sleep latencies. */ -const_debug unsigned int sysctl_sched_batch_wakeup_granularity = 25000000UL; +const_debug unsigned int sysctl_sched_batch_wakeup_granularity = 10000000UL; /* * SCHED_OTHER wake-up granularity. - * (default: 1 msec, units: nanoseconds) + * (default: 10 msec, units: nanoseconds) * * This option delays the preemption effects of decoupled workloads * and reduces their over-scheduling. Synchronous workloads will still * have immediate wakeup/sleep latencies. */ -const_debug unsigned int sysctl_sched_wakeup_granularity = 2000000UL; +const_debug unsigned int sysctl_sched_wakeup_granularity = 10000000UL; /************************************************************** * CFS operations on generic schedulable entities: