文件操作 - stat.h
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文件: /usr/src/linux-headers-5.15.0-186/include/linux/sched/stat.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_SCHED_STAT_H #define _LINUX_SCHED_STAT_H #include <linux/percpu.h> #include <linux/kconfig.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 acquired 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 int nr_running(void); extern bool single_task_running(void); extern unsigned int nr_iowait(void); extern unsigned int nr_iowait_cpu(int cpu); static inline int sched_info_on(void) { return IS_ENABLED(CONFIG_SCHED_INFO); } #ifdef CONFIG_SCHEDSTATS void force_schedstat_enabled(void); #endif #endif /* _LINUX_SCHED_STAT_H */
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