projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 03441a34 IM |
2 | #ifndef _LINUX_SCHED_STAT_H |
| 3 | #define _LINUX_SCHED_STAT_H | |
| 4 | ||
| dc199539 | 5 | #include <linux/percpu.h> |
| c5895d3f | 6 | #include <linux/kconfig.h> |
| 03441a34 | 7 | |
| 3605df49 IM |
8 | /* |
| 9 | * Various counters maintained by the scheduler and fork(), | |
| 10 | * exposed via /proc, sys.c or used by drivers via these APIs. | |
| 11 | * | |
| dfcb245e | 12 | * ( Note that all these values are acquired without locking, |
| 3605df49 IM |
13 | * so they can only be relied on in narrow circumstances. ) |
| 14 | */ | |
| 15 | ||
| 16 | extern unsigned long total_forks; | |
| 17 | extern int nr_threads; | |
| 18 | DECLARE_PER_CPU(unsigned long, process_counts); | |
| 19 | extern int nr_processes(void); | |
| 01aee8fd | 20 | extern unsigned int nr_running(void); |
| 3605df49 | 21 | extern bool single_task_running(void); |
| 97455168 | 22 | extern unsigned int nr_iowait(void); |
| 8fc2858e | 23 | extern unsigned int nr_iowait_cpu(int cpu); |
| 3605df49 | 24 | |
| a2d7a746 IM |
25 | static inline int sched_info_on(void) |
| 26 | { | |
| c5895d3f | 27 | return IS_ENABLED(CONFIG_SCHED_INFO); |
| a2d7a746 IM |
28 | } |
| 29 | ||
| 30 | #ifdef CONFIG_SCHEDSTATS | |
| 31 | void force_schedstat_enabled(void); | |
| 32 | #endif | |
| 33 | ||
| 03441a34 | 34 | #endif /* _LINUX_SCHED_STAT_H */ |