Re: [PATCH] sched: Improve latencies under load by decreasing minimum scheduling granularity

Joe Perches
2010-09-13T18:29:01Z

On Mon, 2010-09-13 at 20:23 +0200, Ingo Molnar wrote:
> sched: Improve latencies under load by decreasing minimum scheduling granularity
> kernel/sched_fair.c | 6 +++---
> @@ -54,13 +54,13 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling
> * Minimal preemption granularity for CPU-bound tasks:
> * (default: 2 msec * (1 + ilog(ncpus)), units: nanoseconds)
> */
> -unsigned int sysctl_sched_min_granularity = 2000000ULL;
> -unsigned int normalized_sysctl_sched_min_granularity = 2000000ULL;
> +unsigned int sysctl_sched_min_granularity = 750000ULL;
> +unsigned int normalized_sysctl_sched_min_granularity = 750000ULL;

Change the comment as well?