Linux kernel mirror (for testing)
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linux
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
7struct ctl_table;
8
9#ifdef CONFIG_DETECT_HUNG_TASK
10/* used for hung_task and block/ */
11extern unsigned long sysctl_hung_task_timeout_secs;
12#else
13/* Avoid need for ifdefs elsewhere in the code */
14enum { sysctl_hung_task_timeout_secs = 0 };
15#endif
16
17extern unsigned int sysctl_sched_child_runs_first;
18
19enum sched_tunable_scaling {
20 SCHED_TUNABLESCALING_NONE,
21 SCHED_TUNABLESCALING_LOG,
22 SCHED_TUNABLESCALING_LINEAR,
23 SCHED_TUNABLESCALING_END,
24};
25
26/*
27 * control realtime throttling:
28 *
29 * /proc/sys/kernel/sched_rt_period_us
30 * /proc/sys/kernel/sched_rt_runtime_us
31 */
32extern unsigned int sysctl_sched_rt_period;
33extern int sysctl_sched_rt_runtime;
34
35extern unsigned int sysctl_sched_dl_period_max;
36extern unsigned int sysctl_sched_dl_period_min;
37
38#ifdef CONFIG_UCLAMP_TASK
39extern unsigned int sysctl_sched_uclamp_util_min;
40extern unsigned int sysctl_sched_uclamp_util_max;
41extern unsigned int sysctl_sched_uclamp_util_min_rt_default;
42#endif
43
44#ifdef CONFIG_CFS_BANDWIDTH
45extern unsigned int sysctl_sched_cfs_bandwidth_slice;
46#endif
47
48#ifdef CONFIG_SCHED_AUTOGROUP
49extern unsigned int sysctl_sched_autogroup_enabled;
50#endif
51
52extern int sysctl_sched_rr_timeslice;
53extern int sched_rr_timeslice;
54
55int sched_rr_handler(struct ctl_table *table, int write, void *buffer,
56 size_t *lenp, loff_t *ppos);
57int sched_rt_handler(struct ctl_table *table, int write, void *buffer,
58 size_t *lenp, loff_t *ppos);
59int sysctl_sched_uclamp_handler(struct ctl_table *table, int write,
60 void *buffer, size_t *lenp, loff_t *ppos);
61int sysctl_numa_balancing(struct ctl_table *table, int write, void *buffer,
62 size_t *lenp, loff_t *ppos);
63int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
64 size_t *lenp, loff_t *ppos);
65
66#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
67extern unsigned int sysctl_sched_energy_aware;
68int sched_energy_aware_handler(struct ctl_table *table, int write,
69 void *buffer, size_t *lenp, loff_t *ppos);
70#endif
71
72#endif /* _LINUX_SCHED_SYSCTL_H */