diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 62 |
1 files changed, 49 insertions, 13 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index a10494a94cc3..52c4847b05e2 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -51,6 +51,7 @@ struct sched_param { #include <linux/resource.h> #include <linux/timer.h> #include <linux/hrtimer.h> +#include <linux/kcov.h> #include <linux/task_io_accounting.h> #include <linux/latencytop.h> #include <linux/cred.h> @@ -182,8 +183,6 @@ extern void update_cpu_load_nohz(int active); static inline void update_cpu_load_nohz(int active) { } #endif -extern unsigned long get_parent_ip(unsigned long addr); - extern void dump_cpu_task(int cpu); struct seq_file; @@ -427,6 +426,7 @@ extern signed long schedule_timeout(signed long timeout); extern signed long schedule_timeout_interruptible(signed long timeout); extern signed long schedule_timeout_killable(signed long timeout); extern signed long schedule_timeout_uninterruptible(signed long timeout); +extern signed long schedule_timeout_idle(signed long timeout); asmlinkage void schedule(void); extern void schedule_preempt_disabled(void); @@ -719,6 +719,10 @@ struct signal_struct { /* Earliest-expiration cache. */ struct task_cputime cputime_expires; +#ifdef CONFIG_NO_HZ_FULL + atomic_t tick_dep_mask; +#endif + struct list_head cpu_timers[3]; struct pid *tty_old_pgrp; @@ -775,7 +779,6 @@ struct signal_struct { #endif #ifdef CONFIG_AUDIT unsigned audit_tty; - unsigned audit_tty_log_passwd; struct tty_audit_buf *tty_audit_buf; #endif @@ -920,6 +923,10 @@ static inline int sched_info_on(void) #endif } +#ifdef CONFIG_SCHEDSTATS +void force_schedstat_enabled(void); +#endif + enum cpu_idle_type { CPU_IDLE, CPU_NOT_IDLE, @@ -1289,6 +1296,8 @@ struct sched_rt_entity { unsigned long timeout; unsigned long watchdog_stamp; unsigned int time_slice; + unsigned short on_rq; + unsigned short on_list; struct sched_rt_entity *back; #ifdef CONFIG_RT_GROUP_SCHED @@ -1329,10 +1338,6 @@ struct sched_dl_entity { * task has to wait for a replenishment to be performed at the * next firing of dl_timer. * - * @dl_new tells if a new instance arrived. If so we must - * start executing it with full runtime and reset its absolute - * deadline; - * * @dl_boosted tells if we are boosted due to DI. If so we are * outside bandwidth enforcement mechanism (but only until we * exit the critical section); @@ -1340,7 +1345,7 @@ struct sched_dl_entity { * @dl_yielded tells if task gave up the cpu before consuming * all its available runtime during the last job. */ - int dl_throttled, dl_new, dl_boosted, dl_yielded; + int dl_throttled, dl_boosted, dl_yielded; /* * Bandwidth enforcement timer. Each -deadline task has its @@ -1542,6 +1547,10 @@ struct task_struct { VTIME_SYS, } vtime_snap_whence; #endif + +#ifdef CONFIG_NO_HZ_FULL + atomic_t tick_dep_mask; +#endif unsigned long nvcsw, nivcsw; /* context switch counts */ u64 start_time; /* monotonic time in nsec */ u64 real_start_time; /* boot based time in nsec */ @@ -1784,8 +1793,8 @@ struct task_struct { * time slack values; these are used to round up poll() and * select() etc timeout values. These are in nanoseconds. */ - unsigned long timer_slack_ns; - unsigned long default_timer_slack_ns; + u64 timer_slack_ns; + u64 default_timer_slack_ns; #ifdef CONFIG_KASAN unsigned int kasan_depth; @@ -1811,6 +1820,16 @@ struct task_struct { /* bitmask and counter of trace recursion */ unsigned long trace_recursion; #endif /* CONFIG_TRACING */ +#ifdef CONFIG_KCOV + /* Coverage collection mode enabled for this task (0 if disabled). */ + enum kcov_mode kcov_mode; + /* Size of the kcov_area. */ + unsigned kcov_size; + /* Buffer for coverage collection. */ + void *kcov_area; + /* kcov desciptor wired with this task or NULL. */ + struct kcov *kcov; +#endif #ifdef CONFIG_MEMCG struct mem_cgroup *memcg_in_oom; gfp_t memcg_oom_gfp_mask; @@ -1830,6 +1849,9 @@ struct task_struct { unsigned long task_state_change; #endif int pagefault_disabled; +#ifdef CONFIG_MMU + struct task_struct *oom_reaper_list; +#endif /* CPU-specific state of this task */ struct thread_struct thread; /* @@ -2356,10 +2378,7 @@ static inline void wake_up_nohz_cpu(int cpu) { } #endif #ifdef CONFIG_NO_HZ_FULL -extern bool sched_can_stop_tick(void); extern u64 scheduler_tick_max_deferment(void); -#else -static inline bool sched_can_stop_tick(void) { return false; } #endif #ifdef CONFIG_SCHED_AUTOGROUP @@ -2855,10 +2874,18 @@ static inline unsigned long stack_not_used(struct task_struct *p) unsigned long *n = end_of_stack(p); do { /* Skip over canary */ +# ifdef CONFIG_STACK_GROWSUP + n--; +# else n++; +# endif } while (!*n); +# ifdef CONFIG_STACK_GROWSUP + return (unsigned long)end_of_stack(p) - (unsigned long)n; +# else return (unsigned long)n - (unsigned long)end_of_stack(p); +# endif } #endif extern void set_task_stack_end_magic(struct task_struct *tsk); @@ -3207,4 +3234,13 @@ static inline unsigned long rlimit_max(unsigned int limit) return task_rlimit_max(current, limit); } +#ifdef CONFIG_CPU_FREQ +struct update_util_data { + void (*func)(struct update_util_data *data, + u64 time, unsigned long util, unsigned long max); +}; + +void cpufreq_set_update_util_data(int cpu, struct update_util_data *data); +#endif /* CONFIG_CPU_FREQ */ + #endif |