From 9bf03efdc8e5f3739242a56269356e724bdda7fc Mon Sep 17 00:00:00 2001 From: tytydraco Date: Tue, 29 Sep 2020 10:15:16 -0700 Subject: [PATCH] Reduce hackbench times by reducing wakeup preemption Signed-off-by: tytydraco --- ktweak | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/ktweak b/ktweak index 914b566..e10dd29 100644 --- a/ktweak +++ b/ktweak @@ -62,8 +62,8 @@ write /proc/sys/kernel/sched_latency_ns 2000000 # Schedule 10 tasks in the guarenteed sched period write /proc/sys/kernel/sched_min_granularity_ns 200000 -# Require preeptive tasks to surpass 1/10th of a sched period in vmruntime -write /proc/sys/kernel/sched_wakeup_granularity_ns 200000 +# Require preeptive tasks to surpass half of a sched period in vmruntime +write /proc/sys/kernel/sched_wakeup_granularity_ns 1000000 # Reduce the frequency of task migrations write /proc/sys/kernel/sched_migration_cost_ns 5000000