diff options
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r-- | include/linux/sched.h | 84 |
1 files changed, 82 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index c71978453864..57042d91ae9c 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -178,7 +178,9 @@ extern u64 nr_running_integral(unsigned int cpu); #endif extern void sched_update_nr_prod(int cpu, long delta, bool inc); -extern void sched_get_nr_running_avg(int *avg, int *iowait_avg, int *big_avg); +extern void sched_get_nr_running_avg(int *avg, int *iowait_avg, int *big_avg, + unsigned int *max_nr, + unsigned int *big_max_nr); extern void calc_global_load(unsigned long ticks); @@ -1070,7 +1072,8 @@ extern void wake_up_q(struct wake_q_head *head); #define SD_BALANCE_FORK 0x0008 /* Balance on fork, clone */ #define SD_BALANCE_WAKE 0x0010 /* Balance on wakeup */ #define SD_WAKE_AFFINE 0x0020 /* Wake task to waking CPU */ -#define SD_SHARE_CPUCAPACITY 0x0080 /* Domain members share cpu power */ +#define SD_ASYM_CPUCAPACITY 0x0040 /* Groups have different max cpu capacities */ +#define SD_SHARE_CPUCAPACITY 0x0080 /* Domain members share cpu capacity */ #define SD_SHARE_POWERDOMAIN 0x0100 /* Domain members share power domain */ #define SD_SHARE_PKG_RESOURCES 0x0200 /* Domain members share cpu pkg resources */ #define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */ @@ -1131,6 +1134,37 @@ unsigned long capacity_curr_of(int cpu); struct sched_group; +struct eas_stats { + /* select_idle_sibling() stats */ + u64 sis_attempts; + u64 sis_idle; + u64 sis_cache_affine; + u64 sis_suff_cap; + u64 sis_idle_cpu; + u64 sis_count; + + /* select_energy_cpu_brute() stats */ + u64 secb_attempts; + u64 secb_sync; + u64 secb_idle_bt; + u64 secb_insuff_cap; + u64 secb_no_nrg_sav; + u64 secb_nrg_sav; + u64 secb_count; + + /* find_best_target() stats */ + u64 fbt_attempts; + u64 fbt_no_cpu; + u64 fbt_no_sd; + u64 fbt_pref_idle; + u64 fbt_count; + + /* cas */ + /* select_task_rq_fair() stats */ + u64 cas_attempts; + u64 cas_count; +}; + struct sched_domain { /* These fields must be setup */ struct sched_domain *parent; /* top domain must be null terminated */ @@ -1191,6 +1225,8 @@ struct sched_domain { unsigned int ttwu_wake_remote; unsigned int ttwu_move_affine; unsigned int ttwu_move_balance; + + struct eas_stats eas_stats; #endif #ifdef CONFIG_SCHED_DEBUG char *name; @@ -1349,6 +1385,35 @@ struct sched_statistics { u64 nr_wakeups_affine_attempts; u64 nr_wakeups_passive; u64 nr_wakeups_idle; + + /* select_idle_sibling() */ + u64 nr_wakeups_sis_attempts; + u64 nr_wakeups_sis_idle; + u64 nr_wakeups_sis_cache_affine; + u64 nr_wakeups_sis_suff_cap; + u64 nr_wakeups_sis_idle_cpu; + u64 nr_wakeups_sis_count; + + /* energy_aware_wake_cpu() */ + u64 nr_wakeups_secb_attempts; + u64 nr_wakeups_secb_sync; + u64 nr_wakeups_secb_idle_bt; + u64 nr_wakeups_secb_insuff_cap; + u64 nr_wakeups_secb_no_nrg_sav; + u64 nr_wakeups_secb_nrg_sav; + u64 nr_wakeups_secb_count; + + /* find_best_target() */ + u64 nr_wakeups_fbt_attempts; + u64 nr_wakeups_fbt_no_cpu; + u64 nr_wakeups_fbt_no_sd; + u64 nr_wakeups_fbt_pref_idle; + u64 nr_wakeups_fbt_count; + + /* cas */ + /* select_task_rq_fair() */ + u64 nr_wakeups_cas_attempts; + u64 nr_wakeups_cas_count; }; #endif @@ -3510,4 +3575,19 @@ static inline unsigned long rlimit_max(unsigned int limit) return task_rlimit_max(current, limit); } +#define SCHED_CPUFREQ_RT (1U << 0) +#define SCHED_CPUFREQ_DL (1U << 1) +#define SCHED_CPUFREQ_IOWAIT (1U << 2) + +#ifdef CONFIG_CPU_FREQ +struct update_util_data { + void (*func)(struct update_util_data *data, u64 time, unsigned int flags); +}; + +void cpufreq_add_update_util_hook(int cpu, struct update_util_data *data, + void (*func)(struct update_util_data *data, u64 time, + unsigned int flags)); +void cpufreq_remove_update_util_hook(int cpu); +#endif /* CONFIG_CPU_FREQ */ + #endif |