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Clark Williamscf4aebc22013-02-07 09:46:59 -06001#ifndef _SCHED_SYSCTL_H
2#define _SCHED_SYSCTL_H
3
4#ifdef CONFIG_DETECT_HUNG_TASK
Li Zefancd646472013-09-23 16:43:58 +08005extern int sysctl_hung_task_check_count;
Clark Williamscf4aebc22013-02-07 09:46:59 -06006extern unsigned int sysctl_hung_task_panic;
Clark Williamscf4aebc22013-02-07 09:46:59 -06007extern unsigned long sysctl_hung_task_timeout_secs;
Aaron Tomlin270750db2014-01-20 17:34:13 +00008extern int sysctl_hung_task_warnings;
Clark Williamscf4aebc22013-02-07 09:46:59 -06009extern 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 */
14enum { sysctl_hung_task_timeout_secs = 0 };
15#endif
16
Clark Williamscf4aebc22013-02-07 09:46:59 -060017extern unsigned int sysctl_sched_latency;
18extern unsigned int sysctl_sched_min_granularity;
19extern unsigned int sysctl_sched_wakeup_granularity;
20extern unsigned int sysctl_sched_child_runs_first;
21
22enum sched_tunable_scaling {
23 SCHED_TUNABLESCALING_NONE,
24 SCHED_TUNABLESCALING_LOG,
25 SCHED_TUNABLESCALING_LINEAR,
26 SCHED_TUNABLESCALING_END,
27};
28extern enum sched_tunable_scaling sysctl_sched_tunable_scaling;
29
30extern unsigned int sysctl_numa_balancing_scan_delay;
31extern unsigned int sysctl_numa_balancing_scan_period_min;
32extern unsigned int sysctl_numa_balancing_scan_period_max;
Clark Williamscf4aebc22013-02-07 09:46:59 -060033extern unsigned int sysctl_numa_balancing_scan_size;
Clark Williamscf4aebc22013-02-07 09:46:59 -060034
35#ifdef CONFIG_SCHED_DEBUG
36extern unsigned int sysctl_sched_migration_cost;
37extern unsigned int sysctl_sched_nr_migrate;
38extern unsigned int sysctl_sched_time_avg;
Clark Williamscf4aebc22013-02-07 09:46:59 -060039extern unsigned int sysctl_sched_shares_window;
40
41int sched_proc_update_handler(struct ctl_table *table, int write,
42 void __user *buffer, size_t *length,
43 loff_t *ppos);
44#endif
Clark Williamsce0dbbb2013-02-07 09:47:04 -060045
46/*
47 * control realtime throttling:
48 *
49 * /proc/sys/kernel/sched_rt_period_us
50 * /proc/sys/kernel/sched_rt_runtime_us
51 */
Clark Williamscf4aebc22013-02-07 09:46:59 -060052extern unsigned int sysctl_sched_rt_period;
53extern int sysctl_sched_rt_runtime;
54
55#ifdef CONFIG_CFS_BANDWIDTH
56extern unsigned int sysctl_sched_cfs_bandwidth_slice;
57#endif
58
59#ifdef CONFIG_SCHED_AUTOGROUP
60extern unsigned int sysctl_sched_autogroup_enabled;
61#endif
62
Clark Williamsce0dbbb2013-02-07 09:47:04 -060063extern int sched_rr_timeslice;
64
65extern int sched_rr_handler(struct ctl_table *table, int write,
66 void __user *buffer, size_t *lenp,
67 loff_t *ppos);
68
69extern int sched_rt_handler(struct ctl_table *table, int write,
Clark Williamscf4aebc22013-02-07 09:46:59 -060070 void __user *buffer, size_t *lenp,
71 loff_t *ppos);
72
Andi Kleen54a43d52014-01-23 15:53:13 -080073extern int sysctl_numa_balancing(struct ctl_table *table, int write,
74 void __user *buffer, size_t *lenp,
75 loff_t *ppos);
76
Mel Gormancb251762016-02-05 09:08:36 +000077extern int sysctl_schedstats(struct ctl_table *table, int write,
78 void __user *buffer, size_t *lenp,
79 loff_t *ppos);
80
Clark Williamscf4aebc22013-02-07 09:46:59 -060081#endif /* _SCHED_SYSCTL_H */