1// SPDX-License-Identifier: GPL-2.0
2#include <linux/fs.h>
3#include <linux/init.h>
4#include <linux/pid_namespace.h>
5#include <linux/proc_fs.h>
6#include <linux/sched.h>
7#include <linux/sched/loadavg.h>
8#include <linux/sched/stat.h>
9#include <linux/seq_file.h>
10#include <linux/seqlock.h>
11#include <linux/time.h>
12#include "internal.h"
13
14static int loadavg_proc_show(struct seq_file *m, void *v)
15{
16 unsigned long avnrun[3];
17
18 get_avenrun(loads: avnrun, FIXED_1/200, shift: 0);
19
20 seq_printf(m, fmt: "%lu.%02lu %lu.%02lu %lu.%02lu %u/%d %d\n",
21 LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
22 LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
23 LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
24 nr_running(), nr_threads,
25 idr_get_cursor(idr: &task_active_pid_ns(current)->idr) - 1);
26 return 0;
27}
28
29static int __init proc_loadavg_init(void)
30{
31 struct proc_dir_entry *pde;
32
33 pde = proc_create_single("loadavg", 0, NULL, loadavg_proc_show);
34 pde_make_permanent(pde);
35 return 0;
36}
37fs_initcall(proc_loadavg_init);
38