Commit 74e3cd7f authored by Ingo Molnar's avatar Ingo Molnar

sched: retune wake granularity

reduce wake-up granularity for better interactivity.
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent f540a608
...@@ -73,13 +73,13 @@ unsigned int sysctl_sched_batch_wakeup_granularity = 10000000UL; ...@@ -73,13 +73,13 @@ unsigned int sysctl_sched_batch_wakeup_granularity = 10000000UL;
/* /*
* SCHED_OTHER wake-up granularity. * SCHED_OTHER wake-up granularity.
* (default: 10 msec * (1 + ilog(ncpus)), units: nanoseconds) * (default: 5 msec * (1 + ilog(ncpus)), units: nanoseconds)
* *
* This option delays the preemption effects of decoupled workloads * This option delays the preemption effects of decoupled workloads
* and reduces their over-scheduling. Synchronous workloads will still * and reduces their over-scheduling. Synchronous workloads will still
* have immediate wakeup/sleep latencies. * have immediate wakeup/sleep latencies.
*/ */
unsigned int sysctl_sched_wakeup_granularity = 10000000UL; unsigned int sysctl_sched_wakeup_granularity = 5000000UL;
const_debug unsigned int sysctl_sched_migration_cost = 500000UL; const_debug unsigned int sysctl_sched_migration_cost = 500000UL;
......
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