1 files changed, 4 insertions, 6 deletions

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 134f7edb30c6..db3f674ca49d 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -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;
 
 /*
  * is kept at sysctl_sched_latency / sysctl_sched_min_granularity
  */
-static unsigned int sched_nr_latency = 3;
+static unsigned int sched_nr_latency = 8;
 
 /*
  * After fork, child runs first. If set to 0 (default) then
@@ -2267,8 +2267,6 @@ unsigned long scale_rt_power(int cpu)
         struct rq *rq = cpu_rq(cpu);
         u64 total, available;
 
-        sched_avg_update(rq);
-
         total = sched_avg_period() + (rq->clock - rq->age_stamp);
         available = total - rq->rt_avg;
 
@@ -3632,7 +3630,7 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu)
         if (time_before(now, nohz.next_balance))
                 return 0;
 
-        if (!rq->nr_running)
+        if (rq->idle_at_tick)
                 return 0;
 
         first_pick_cpu = atomic_read(&nohz.first_pick_cpu);