Kernel/sched: Reduce latency for better responsiveness

CruelKernel · Mar 26, 2020 · c750d28 · c750d28
1 parent a236df3
commit c750d28
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
@@ -86,13 +86,13 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_L
  *
  * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds)
  */
-unsigned int sysctl_sched_min_granularity		= 750000ULL;
-unsigned int normalized_sysctl_sched_min_granularity	= 750000ULL;
+unsigned int sysctl_sched_min_granularity		= 500000ULL;
+unsigned int normalized_sysctl_sched_min_granularity	= 500000ULL;
 
 /*
  * This value is kept at sysctl_sched_latency/sysctl_sched_min_granularity
  */
-static unsigned int sched_nr_latency = 8;
+static unsigned int sched_nr_latency = 6;
 
 /*
  * After fork, child runs first. If set to 0 (default) then
@@ -142,7 +142,7 @@ int __weak arch_asym_cpu_priority(int cpu)
  *
  * (default: 5 msec, units: microseconds)
  */
-unsigned int sysctl_sched_cfs_bandwidth_slice		= 5000UL;
+unsigned int sysctl_sched_cfs_bandwidth_slice		= 4000UL;
 #endif
 
 /*