mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
dc1995392d
The <linux/sched/stat.h> file is a largely self-contained header and users of it either don't need <linux/sched.h> - or have already included it. ( Keep the <linux/percpu.h> dependency.) This reduces the size of the header dependency graph. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
41 lines
1007 B
C
41 lines
1007 B
C
#ifndef _LINUX_SCHED_STAT_H
|
|
#define _LINUX_SCHED_STAT_H
|
|
|
|
#include <linux/percpu.h>
|
|
|
|
/*
|
|
* Various counters maintained by the scheduler and fork(),
|
|
* exposed via /proc, sys.c or used by drivers via these APIs.
|
|
*
|
|
* ( Note that all these values are aquired without locking,
|
|
* so they can only be relied on in narrow circumstances. )
|
|
*/
|
|
|
|
extern unsigned long total_forks;
|
|
extern int nr_threads;
|
|
DECLARE_PER_CPU(unsigned long, process_counts);
|
|
extern int nr_processes(void);
|
|
extern unsigned long nr_running(void);
|
|
extern bool single_task_running(void);
|
|
extern unsigned long nr_iowait(void);
|
|
extern unsigned long nr_iowait_cpu(int cpu);
|
|
extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);
|
|
|
|
static inline int sched_info_on(void)
|
|
{
|
|
#ifdef CONFIG_SCHEDSTATS
|
|
return 1;
|
|
#elif defined(CONFIG_TASK_DELAY_ACCT)
|
|
extern int delayacct_on;
|
|
return delayacct_on;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_SCHEDSTATS
|
|
void force_schedstat_enabled(void);
|
|
#endif
|
|
|
|
#endif /* _LINUX_SCHED_STAT_H */
|