| Ingo Molnar | 370c913 | 2017-02-08 18:51:35 +0100 | [diff] [blame] | 1 | #ifndef _LINUX_SCHED_NOHZ_H |
| 2 | #define _LINUX_SCHED_NOHZ_H |
| 3 | |
| 4 | #include <linux/sched.h> |
| 5 | |
| Ingo Molnar | 752b3ca | 2017-02-03 11:12:59 +0100 | [diff] [blame^] | 6 | /* |
| 7 | * This is the interface between the scheduler and nohz/dyntics: |
| 8 | */ |
| 9 | |
| 10 | #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) |
| 11 | extern void cpu_load_update_nohz_start(void); |
| 12 | extern void cpu_load_update_nohz_stop(void); |
| 13 | #else |
| 14 | static inline void cpu_load_update_nohz_start(void) { } |
| 15 | static inline void cpu_load_update_nohz_stop(void) { } |
| 16 | #endif |
| 17 | |
| 18 | #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) |
| 19 | extern void nohz_balance_enter_idle(int cpu); |
| 20 | extern void set_cpu_sd_state_idle(void); |
| 21 | extern int get_nohz_timer_target(void); |
| 22 | #else |
| 23 | static inline void nohz_balance_enter_idle(int cpu) { } |
| 24 | static inline void set_cpu_sd_state_idle(void) { } |
| 25 | #endif |
| 26 | |
| 27 | #ifdef CONFIG_NO_HZ_COMMON |
| 28 | void calc_load_enter_idle(void); |
| 29 | void calc_load_exit_idle(void); |
| 30 | #else |
| 31 | static inline void calc_load_enter_idle(void) { } |
| 32 | static inline void calc_load_exit_idle(void) { } |
| 33 | #endif /* CONFIG_NO_HZ_COMMON */ |
| 34 | |
| 35 | #if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP) |
| 36 | extern void wake_up_nohz_cpu(int cpu); |
| 37 | #else |
| 38 | static inline void wake_up_nohz_cpu(int cpu) { } |
| 39 | #endif |
| 40 | |
| 41 | #ifdef CONFIG_NO_HZ_FULL |
| 42 | extern u64 scheduler_tick_max_deferment(void); |
| 43 | #endif |
| 44 | |
| Ingo Molnar | 370c913 | 2017-02-08 18:51:35 +0100 | [diff] [blame] | 45 | #endif /* _LINUX_SCHED_NOHZ_H */ |