1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/sched/stat.h b/include/linux/sched/stat.h
new file mode 100644
index 000000000000..141b74c53fad
--- /dev/null
+++ b/include/linux/sched/stat.h
@@ -0,0 +1,40 @@
+#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 */