2017-11-01 15:07:57 +01:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2017-02-08 18:51:35 +01:00
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#ifndef _LINUX_SCHED_STAT_H
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#define _LINUX_SCHED_STAT_H
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2017-02-08 18:51:57 +01:00
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#include <linux/percpu.h>
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2021-05-04 22:43:42 +02:00
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#include <linux/kconfig.h>
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2017-02-08 18:51:35 +01:00
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2017-02-03 11:03:12 +01:00
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/*
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* Various counters maintained by the scheduler and fork(),
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* exposed via /proc, sys.c or used by drivers via these APIs.
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*
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2018-12-03 10:05:56 +01:00
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* ( Note that all these values are acquired without locking,
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2017-02-03 11:03:12 +01:00
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* so they can only be relied on in narrow circumstances. )
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*/
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extern unsigned long total_forks;
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extern int nr_threads;
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DECLARE_PER_CPU(unsigned long, process_counts);
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extern int nr_processes(void);
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2021-04-22 23:02:25 +03:00
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extern unsigned int nr_running(void);
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2017-02-03 11:03:12 +01:00
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extern bool single_task_running(void);
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2021-04-22 23:02:26 +03:00
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extern unsigned int nr_iowait(void);
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2021-04-22 23:02:27 +03:00
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extern unsigned int nr_iowait_cpu(int cpu);
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2017-02-03 11:03:12 +01:00
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2017-02-05 12:07:04 +01:00
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static inline int sched_info_on(void)
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{
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2021-05-04 22:43:42 +02:00
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return IS_ENABLED(CONFIG_SCHED_INFO);
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2017-02-05 12:07:04 +01:00
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}
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#ifdef CONFIG_SCHEDSTATS
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void force_schedstat_enabled(void);
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#endif
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2017-02-08 18:51:35 +01:00
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#endif /* _LINUX_SCHED_STAT_H */
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