Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[pandora-kernel.git] / include / linux / tick.h

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 9a7252e..d3c0269 100644 (file)
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -39,19 +39,28 @@ 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
  */
 struct tick_sched {
        struct hrtimer                  sched_timer;
        unsigned long                   check_clocks;
        enum tick_nohz_mode             nohz_mode;
        ktime_t                         idle_tick;
+       int                             inidle;
        int                             tick_stopped;
        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;
        ktime_t                         idle_expires;
@@ -97,13 +106,24 @@ static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
 #endif /* !CONFIG_GENERIC_CLOCKEVENTS */
 
 # ifdef CONFIG_NO_HZ
-extern void tick_nohz_stop_sched_tick(void);
+extern void tick_nohz_stop_sched_tick(int inidle);
 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_stop_sched_tick(int inidle) { }
 static inline void tick_nohz_restart_sched_tick(void) { }
 static inline void tick_nohz_update_jiffies(void) { }
+static inline ktime_t tick_nohz_get_sleep_length(void)
+{
+       ktime_t len = { .tv64 = NSEC_PER_SEC/HZ };
+
+       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