sched: Minor tweaks

kernel/sched/fair.c

@@ -89,8 +89,8 @@ walt_dec_cfs_rq_stats(struct cfs_rq *cfs_rq, struct task_struct *p) {}
  *
  * (default: 6ms * (1 + ilog(ncpus)), units: nanoseconds)
  */
-unsigned int sysctl_sched_latency			= 6000000ULL;
-unsigned int normalized_sysctl_sched_latency		= 6000000ULL;
+unsigned int sysctl_sched_latency = 5000000ULL;
+unsigned int normalized_sysctl_sched_latency = 5000000ULL;
 
 /*
  * Enable/disable honoring sync flag in energy-aware wakeups.
@@ -131,7 +131,7 @@ static unsigned int sched_nr_latency = 8;
  * After fork, child runs first. If set to 0 (default) then
  * parent will (try to) run first.
  */
-unsigned int sysctl_sched_child_runs_first __read_mostly;
+unsigned int sysctl_sched_child_runs_first __read_mostly = 1;
 
 /*
  * SCHED_OTHER wake-up granularity.
@@ -145,7 +145,7 @@ unsigned int sysctl_sched_child_runs_first __read_mostly;
 unsigned int sysctl_sched_wakeup_granularity		= 1000000UL;
 unsigned int normalized_sysctl_sched_wakeup_granularity	= 1000000UL;
 
-const_debug unsigned int sysctl_sched_migration_cost	= 500000UL;
+const_debug unsigned int sysctl_sched_migration_cost	= 1000000UL;
 DEFINE_PER_CPU_READ_MOSTLY(int, sched_load_boost);
 
 #ifdef CONFIG_SCHED_WALT

kernel/sched/features.h

@@ -17,7 +17,7 @@ SCHED_FEAT(START_DEBIT, true)
  * wakeup-preemption), since its likely going to consume data we
  * touched, increases cache locality.
  */
-SCHED_FEAT(NEXT_BUDDY, false)
+SCHED_FEAT(NEXT_BUDDY, true)
 
 /*
  * Prefer to schedule the task that ran last (when we did
@@ -44,13 +44,13 @@ SCHED_FEAT(LB_BIAS, true)
 /*
  * Decrement CPU capacity based on time not spent running tasks
  */
-SCHED_FEAT(NONTASK_CAPACITY, true)
+SCHED_FEAT(NONTASK_CAPACITY, false)
 
 /*
  * Queue remote wakeups on the target CPU and process them
  * using the scheduler IPI. Reduces rq->lock contention/bounces.
  */
-SCHED_FEAT(TTWU_QUEUE, false)
+SCHED_FEAT(TTWU_QUEUE, true)
 
 /*
  * When doing wakeups, attempt to limit superfluous scans of the LLC domain.