| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _LINUX_SCHED_NOHZ_H | |
| #define _LINUX_SCHED_NOHZ_H | |
| /* | |
| * This is the interface between the scheduler and nohz/dynticks: | |
| */ | |
| #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) | |
| extern void cpu_load_update_nohz_start(void); | |
| extern void cpu_load_update_nohz_stop(void); | |
| #else | |
| static inline void cpu_load_update_nohz_start(void) { } | |
| static inline void cpu_load_update_nohz_stop(void) { } | |
| #endif | |
| #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON) | |
| extern void nohz_balance_enter_idle(int cpu); | |
| extern void set_cpu_sd_state_idle(void); | |
| extern int get_nohz_timer_target(void); | |
| #else | |
| static inline void nohz_balance_enter_idle(int cpu) { } | |
| static inline void set_cpu_sd_state_idle(void) { } | |
| #endif | |
| #ifdef CONFIG_NO_HZ_COMMON | |
| void calc_load_nohz_start(void); | |
| void calc_load_nohz_stop(void); | |
| #else | |
| static inline void calc_load_nohz_start(void) { } | |
| static inline void calc_load_nohz_stop(void) { } | |
| #endif /* CONFIG_NO_HZ_COMMON */ | |
| #if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP) | |
| extern void wake_up_nohz_cpu(int cpu); | |
| #else | |
| static inline void wake_up_nohz_cpu(int cpu) { } | |
| #endif | |
| #ifdef CONFIG_NO_HZ_FULL | |
| extern u64 scheduler_tick_max_deferment(void); | |
| #endif | |
| #endif /* _LINUX_SCHED_NOHZ_H */ |