---
 kernel/sched/bfs.c       |    2 ++
 kernel/sched/bfs_sched.h |   13 +++++++++++++
 2 files changed, 15 insertions(+)

Index: linux-4.6-ck1/kernel/sched/bfs.c
===================================================================
--- linux-4.6-ck1.orig/kernel/sched/bfs.c	2016-06-05 18:46:56.708005910 +1000
+++ linux-4.6-ck1/kernel/sched/bfs.c	2016-06-08 11:31:10.560195448 +1000
@@ -970,6 +970,7 @@ static void activate_task(struct task_st
 	p->on_rq = 1;
 	grq.nr_running++;
 	inc_qnr();
+	cpufreq_trigger(grq.niffies);
 }
 
 static inline void clear_sticky(struct task_struct *p);
@@ -986,6 +987,7 @@ static inline void deactivate_task(struc
 	p->on_rq = 0;
 	grq.nr_running--;
 	clear_sticky(p);
+	cpufreq_trigger(grq.niffies);
 }
 
 #ifdef CONFIG_SMP
Index: linux-4.6-ck1/kernel/sched/bfs_sched.h
===================================================================
--- linux-4.6-ck1.orig/kernel/sched/bfs_sched.h	2016-06-05 18:46:56.709005904 +1000
+++ linux-4.6-ck1/kernel/sched/bfs_sched.h	2016-06-08 11:30:32.767610062 +1000
@@ -191,4 +191,17 @@ static inline struct cpuidle_state *idle
 	return NULL;
 }
 #endif
+
+#ifdef CONFIG_CPU_FREQ
+DECLARE_PER_CPU(struct update_util_data *, cpufreq_update_util_data);
+
+static inline void cpufreq_trigger(u64 time)
+{
+       struct update_util_data *data;
+
+       data = rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data));
+       if (data)
+               data->func(data, time, ULONG_MAX, 0);
+}
+#endif /* CONFIG_CPU_FREQ */
 #endif /* BFS_SCHED_H */