sysctl.h 2.3 KB

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