| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_SCHED_SYSCTL_H |
| 3 | #define _LINUX_SCHED_SYSCTL_H |
| 4 | |
| 5 | #include <linux/types.h> |
| 6 | |
| 7 | struct ctl_table; |
| 8 | |
| 9 | #ifdef CONFIG_DETECT_HUNG_TASK |
| 10 | extern int sysctl_hung_task_check_count; |
| 11 | extern unsigned int sysctl_hung_task_panic; |
| 12 | extern unsigned long sysctl_hung_task_timeout_secs; |
| 13 | extern unsigned long sysctl_hung_task_check_interval_secs; |
| 14 | extern int sysctl_hung_task_warnings; |
| 15 | extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write, |
| 16 | void __user *buffer, |
| 17 | size_t *lenp, loff_t *ppos); |
| 18 | #else |
| 19 | /* Avoid need for ifdefs elsewhere in the code */ |
| 20 | enum { sysctl_hung_task_timeout_secs = 0 }; |
| 21 | #endif |
| 22 | |
| 23 | extern unsigned int sysctl_sched_latency; |
| 24 | extern unsigned int sysctl_sched_min_granularity; |
| 25 | extern unsigned int sysctl_sched_wakeup_granularity; |
| 26 | extern unsigned int sysctl_sched_child_runs_first; |
| 27 | |
| 28 | enum sched_tunable_scaling { |
| 29 | SCHED_TUNABLESCALING_NONE, |
| 30 | SCHED_TUNABLESCALING_LOG, |
| 31 | SCHED_TUNABLESCALING_LINEAR, |
| 32 | SCHED_TUNABLESCALING_END, |
| 33 | }; |
| 34 | extern enum sched_tunable_scaling sysctl_sched_tunable_scaling; |
| 35 | |
| 36 | extern unsigned int sysctl_numa_balancing_scan_delay; |
| 37 | extern unsigned int sysctl_numa_balancing_scan_period_min; |
| 38 | extern unsigned int sysctl_numa_balancing_scan_period_max; |
| 39 | extern unsigned int sysctl_numa_balancing_scan_size; |
| 40 | |
| 41 | #ifdef CONFIG_SCHED_DEBUG |
| 42 | extern __read_mostly unsigned int sysctl_sched_migration_cost; |
| 43 | extern __read_mostly unsigned int sysctl_sched_nr_migrate; |
| 44 | |
| 45 | int sched_proc_update_handler(struct ctl_table *table, int write, |
| 46 | void __user *buffer, size_t *length, |
| 47 | loff_t *ppos); |
| 48 | #endif |
| 49 | |
| 50 | /* |
| 51 | * control realtime throttling: |
| 52 | * |
| 53 | * /proc/sys/kernel/sched_rt_period_us |
| 54 | * /proc/sys/kernel/sched_rt_runtime_us |
| 55 | */ |
| 56 | extern unsigned int sysctl_sched_rt_period; |
| 57 | extern int sysctl_sched_rt_runtime; |
| 58 | |
| 59 | #ifdef CONFIG_CFS_BANDWIDTH |
| 60 | extern unsigned int sysctl_sched_cfs_bandwidth_slice; |
| 61 | #endif |
| 62 | |
| 63 | #ifdef CONFIG_SCHED_AUTOGROUP |
| 64 | extern unsigned int sysctl_sched_autogroup_enabled; |
| 65 | #endif |
| 66 | |
| 67 | extern int sysctl_sched_rr_timeslice; |
| 68 | extern int sched_rr_timeslice; |
| 69 | |
| 70 | extern int sched_rr_handler(struct ctl_table *table, int write, |
| 71 | void __user *buffer, size_t *lenp, |
| 72 | loff_t *ppos); |
| 73 | |
| 74 | extern int sched_rt_handler(struct ctl_table *table, int write, |
| 75 | void __user *buffer, size_t *lenp, |
| 76 | loff_t *ppos); |
| 77 | |
| 78 | extern int sysctl_numa_balancing(struct ctl_table *table, int write, |
| 79 | void __user *buffer, size_t *lenp, |
| 80 | loff_t *ppos); |
| 81 | |
| 82 | extern int sysctl_schedstats(struct ctl_table *table, int write, |
| 83 | void __user *buffer, size_t *lenp, |
| 84 | loff_t *ppos); |
| 85 | |
| 86 | #endif /* _LINUX_SCHED_SYSCTL_H */ |