1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/tick.h b/include/linux/tick.h
index f4a1395e05ff..a881c652f7e9 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -39,6 +39,8 @@ enum tick_nohz_mode {
  * @idle_calls:         Total number of idle calls
  * @idle_sleeps:        Number of idle calls, where the sched tick was stopped
  * @idle_entrytime:     Time when the idle call was entered
+ * @idle_waketime:      Time when the idle was interrupted
+ * @idle_exittime:      Time when the idle state was left
  * @idle_sleeptime:     Sum of the time slept in idle with sched tick stopped
  * @sleep_length:       Duration of the current idle sleep
  */
@@ -51,8 +53,12 @@ struct tick_sched {
         unsigned long                   idle_jiffies;
         unsigned long                   idle_calls;
         unsigned long                   idle_sleeps;
+        int                             idle_active;
         ktime_t                         idle_entrytime;
+        ktime_t                         idle_waketime;
+        ktime_t                         idle_exittime;
         ktime_t                         idle_sleeptime;
+        ktime_t                         idle_lastupdate;
         ktime_t                         sleep_length;
         unsigned long                   last_jiffies;
         unsigned long                   next_jiffies;
@@ -103,6 +109,8 @@ extern void tick_nohz_stop_sched_tick(void);
 extern void tick_nohz_restart_sched_tick(void);
 extern void tick_nohz_update_jiffies(void);
 extern ktime_t tick_nohz_get_sleep_length(void);
+extern void tick_nohz_stop_idle(int cpu);
+extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
 # else
 static inline void tick_nohz_stop_sched_tick(void) { }
 static inline void tick_nohz_restart_sched_tick(void) { }
@@ -113,6 +121,8 @@ static inline ktime_t tick_nohz_get_sleep_length(void)
 
         return len;
 }
+static inline void tick_nohz_stop_idle(int cpu) { }
+static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return 0; }
 # endif /* !NO_HZ */
 
 #endif