diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index c62a9f84d61..115af05ecab 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -190,6 +190,7 @@ extern unsigned long long time_sync_thresh; /* in tsk->state again */ #define TASK_DEAD 64 #define TASK_WAKEKILL 128 +#define TASK_WAKING 256 /* Convenience macros for the sake of set_task_state */ #define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE) @@ -256,7 +257,7 @@ extern asmlinkage void schedule_tail(struct task_struct *prev); extern void init_idle(struct task_struct *idle, int cpu); extern void init_idle_bootup_task(struct task_struct *idle); -extern int runqueue_is_locked(void); +extern int runqueue_is_locked(int cpu); extern void task_rq_unlock_wait(struct task_struct *p); extern cpumask_var_t nohz_cpu_mask; @@ -802,14 +803,14 @@ enum cpu_idle_type { #define SD_BALANCE_NEWIDLE 0x0002 /* Balance when about to become idle */ #define SD_BALANCE_EXEC 0x0004 /* Balance on exec */ #define SD_BALANCE_FORK 0x0008 /* Balance on fork, clone */ -#define SD_WAKE_IDLE 0x0010 /* Wake to idle CPU on task wakeup */ +#define SD_BALANCE_WAKE 0x0010 /* Balance on wakeup */ #define SD_WAKE_AFFINE 0x0020 /* Wake task to waking CPU */ -#define SD_WAKE_BALANCE 0x0040 /* Perform balancing at task wakeup */ +#define SD_PREFER_LOCAL 0x0040 /* Prefer to keep tasks local to this domain */ #define SD_SHARE_CPUPOWER 0x0080 /* Domain members share cpu power */ #define SD_POWERSAVINGS_BALANCE 0x0100 /* Balance for power savings */ #define SD_SHARE_PKG_RESOURCES 0x0200 /* Domain members share cpu pkg resources */ #define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */ -#define SD_WAKE_IDLE_FAR 0x0800 /* Gain latency sacrificing cache hit */ + #define SD_PREFER_SIBLING 0x1000 /* Prefer to place tasks in a sibling domain */ enum powersavings_balance_level { @@ -991,6 +992,9 @@ static inline int test_sd_parent(struct sched_domain *sd, int flag) return 0; } +unsigned long default_scale_freq_power(struct sched_domain *sd, int cpu); +unsigned long default_scale_smt_power(struct sched_domain *sd, int cpu); + #else /* CONFIG_SMP */ struct sched_domain_attr; @@ -1002,6 +1006,7 @@ partition_sched_domains(int ndoms_new, struct cpumask *doms_new, } #endif /* !CONFIG_SMP */ + struct io_context; /* See blkdev.h */ @@ -1019,6 +1024,12 @@ struct uts_namespace; struct rq; struct sched_domain; +/* + * wake flags + */ +#define WF_SYNC 0x01 /* waker goes to sleep after wakup */ +#define WF_FORK 0x02 /* child wakeup after fork */ + struct sched_class { const struct sched_class *next; @@ -1026,13 +1037,13 @@ struct sched_class { void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep); void (*yield_task) (struct rq *rq); - void (*check_preempt_curr) (struct rq *rq, struct task_struct *p, int sync); + void (*check_preempt_curr) (struct rq *rq, struct task_struct *p, int flags); struct task_struct * (*pick_next_task) (struct rq *rq); void (*put_prev_task) (struct rq *rq, struct task_struct *p); #ifdef CONFIG_SMP - int (*select_task_rq)(struct task_struct *p, int sync); + int (*select_task_rq)(struct task_struct *p, int sd_flag, int flags); unsigned long (*load_balance) (struct rq *this_rq, int this_cpu, struct rq *busiest, unsigned long max_load_move, @@ -1064,6 +1075,8 @@ struct sched_class { void (*prio_changed) (struct rq *this_rq, struct task_struct *task, int oldprio, int running); + unsigned int (*get_rr_interval) (struct task_struct *task); + #ifdef CONFIG_FAIR_GROUP_SCHED void (*moved_group) (struct task_struct *p); #endif @@ -1102,6 +1115,8 @@ struct sched_entity { u64 start_runtime; u64 avg_wakeup; + u64 avg_running; + #ifdef CONFIG_SCHEDSTATS u64 wait_start; u64 wait_max; |