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-rw-r--r--fs/proc/loadavg.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c
new file mode 100644
index 000000000..8468baee9
--- /dev/null
+++ b/fs/proc/loadavg.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/pid_namespace.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/sched/loadavg.h>
+#include <linux/sched/stat.h>
+#include <linux/seq_file.h>
+#include <linux/seqlock.h>
+#include <linux/time.h>
+
+static int loadavg_proc_show(struct seq_file *m, void *v)
+{
+ unsigned long avnrun[3];
+
+ get_avenrun(avnrun, FIXED_1/200, 0);
+
+ seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
+ LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
+ LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
+ LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
+ nr_running(), nr_threads,
+ idr_get_cursor(&task_active_pid_ns(current)->idr) - 1);
+ return 0;
+}
+
+static int __init proc_loadavg_init(void)
+{
+ proc_create_single("loadavg", 0, NULL, loadavg_proc_show);
+ return 0;
+}
+fs_initcall(proc_loadavg_init);