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
14 static int loadavg_proc_show(struct seq_file *m, void *v)
15 {
16 unsigned long avnrun[3];
17
18 get_avenrun(avnrun, FIXED_1/200, 0);
19
20 seq_printf(m, "%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(&task_active_pid_ns(current)->idr) - 1);
26 return 0;
27 }
28
29 static 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 }
37 fs_initcall(proc_loadavg_init);
38
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