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(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 | |
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 | |