diff options
Diffstat (limited to 'kernel/sched/sched.h')
-rw-r--r-- | kernel/sched/sched.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index fcbb3e07accc..ac28024b2d7a 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1455,6 +1455,57 @@ unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu) } #endif +#ifdef CONFIG_CPU_FREQ_GOV_SCHED +extern unsigned int capacity_margin; +extern struct static_key __sched_freq; + +static inline bool sched_freq(void) +{ + return static_key_false(&__sched_freq); +} + +DECLARE_PER_CPU(struct sched_capacity_reqs, cpu_sched_capacity_reqs); +void update_cpu_capacity_request(int cpu, bool request); + +static inline void set_cfs_cpu_capacity(int cpu, bool request, + unsigned long capacity) +{ + if (per_cpu(cpu_sched_capacity_reqs, cpu).cfs != capacity) { + per_cpu(cpu_sched_capacity_reqs, cpu).cfs = capacity; + update_cpu_capacity_request(cpu, request); + } +} + +static inline void set_rt_cpu_capacity(int cpu, bool request, + unsigned long capacity) +{ + if (per_cpu(cpu_sched_capacity_reqs, cpu).rt != capacity) { + per_cpu(cpu_sched_capacity_reqs, cpu).rt = capacity; + update_cpu_capacity_request(cpu, request); + } +} + +static inline void set_dl_cpu_capacity(int cpu, bool request, + unsigned long capacity) +{ + if (per_cpu(cpu_sched_capacity_reqs, cpu).dl != capacity) { + per_cpu(cpu_sched_capacity_reqs, cpu).dl = capacity; + update_cpu_capacity_request(cpu, request); + } +} +#else +static inline bool sched_freq(void) { return false; } +static inline void set_cfs_cpu_capacity(int cpu, bool request, + unsigned long capacity) +{ } +static inline void set_rt_cpu_capacity(int cpu, bool request, + unsigned long capacity) +{ } +static inline void set_dl_cpu_capacity(int cpu, bool request, + unsigned long capacity) +{ } +#endif + static inline void sched_rt_avg_update(struct rq *rq, u64 rt_delta) { rq->rt_avg += rt_delta * arch_scale_freq_capacity(NULL, cpu_of(rq)); |