1 #ifndef _SCHED_SYSCTL_H 2 #define _SCHED_SYSCTL_H 3 4 #ifdef CONFIG_DETECT_HUNG_TASK 5 extern int sysctl_hung_task_check_count; 6 extern unsigned int sysctl_hung_task_panic; 7 extern unsigned long sysctl_hung_task_timeout_secs; 8 extern int sysctl_hung_task_warnings; 9 extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write, 10 void __user *buffer, 11 size_t *lenp, loff_t *ppos); 12 #else 13 /* Avoid need for ifdefs elsewhere in the code */ 14 enum { sysctl_hung_task_timeout_secs = 0 }; 15 #endif 16 17 extern unsigned int sysctl_sched_latency; 18 extern unsigned int sysctl_sched_min_granularity; 19 extern unsigned int sysctl_sched_wakeup_granularity; 20 extern unsigned int sysctl_sched_child_runs_first; 21 22 enum sched_tunable_scaling { 23 SCHED_TUNABLESCALING_NONE, 24 SCHED_TUNABLESCALING_LOG, 25 SCHED_TUNABLESCALING_LINEAR, 26 SCHED_TUNABLESCALING_END, 27 }; 28 extern enum sched_tunable_scaling sysctl_sched_tunable_scaling; 29 30 extern unsigned int sysctl_numa_balancing_scan_delay; 31 extern unsigned int sysctl_numa_balancing_scan_period_min; 32 extern unsigned int sysctl_numa_balancing_scan_period_max; 33 extern unsigned int sysctl_numa_balancing_scan_size; 34 35 #ifdef CONFIG_SCHED_DEBUG 36 extern unsigned int sysctl_sched_migration_cost; 37 extern unsigned int sysctl_sched_nr_migrate; 38 extern unsigned int sysctl_sched_time_avg; 39 40 int sched_proc_update_handler(struct ctl_table *table, int write, 41 void __user *buffer, size_t *length, 42 loff_t *ppos); 43 #endif 44 45 /* 46 * control realtime throttling: 47 * 48 * /proc/sys/kernel/sched_rt_period_us 49 * /proc/sys/kernel/sched_rt_runtime_us 50 */ 51 extern unsigned int sysctl_sched_rt_period; 52 extern int sysctl_sched_rt_runtime; 53 54 #ifdef CONFIG_CFS_BANDWIDTH 55 extern unsigned int sysctl_sched_cfs_bandwidth_slice; 56 #endif 57 58 #ifdef CONFIG_SCHED_AUTOGROUP 59 extern unsigned int sysctl_sched_autogroup_enabled; 60 #endif 61 62 extern int sched_rr_timeslice; 63 64 extern int sched_rr_handler(struct ctl_table *table, int write, 65 void __user *buffer, size_t *lenp, 66 loff_t *ppos); 67 68 extern int sched_rt_handler(struct ctl_table *table, int write, 69 void __user *buffer, size_t *lenp, 70 loff_t *ppos); 71 72 extern int sysctl_numa_balancing(struct ctl_table *table, int write, 73 void __user *buffer, size_t *lenp, 74 loff_t *ppos); 75 76 extern int sysctl_schedstats(struct ctl_table *table, int write, 77 void __user *buffer, size_t *lenp, 78 loff_t *ppos); 79 80 #endif /* _SCHED_SYSCTL_H */ 81