1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <linux/fs.h>
3*4882a593Smuzhiyun #include <linux/init.h>
4*4882a593Smuzhiyun #include <linux/pid_namespace.h>
5*4882a593Smuzhiyun #include <linux/proc_fs.h>
6*4882a593Smuzhiyun #include <linux/sched.h>
7*4882a593Smuzhiyun #include <linux/sched/loadavg.h>
8*4882a593Smuzhiyun #include <linux/sched/stat.h>
9*4882a593Smuzhiyun #include <linux/seq_file.h>
10*4882a593Smuzhiyun #include <linux/seqlock.h>
11*4882a593Smuzhiyun #include <linux/time.h>
12*4882a593Smuzhiyun
loadavg_proc_show(struct seq_file * m,void * v)13*4882a593Smuzhiyun static int loadavg_proc_show(struct seq_file *m, void *v)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun unsigned long avnrun[3];
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun get_avenrun(avnrun, FIXED_1/200, 0);
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
20*4882a593Smuzhiyun LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
21*4882a593Smuzhiyun LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
22*4882a593Smuzhiyun LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
23*4882a593Smuzhiyun nr_running(), nr_threads,
24*4882a593Smuzhiyun idr_get_cursor(&task_active_pid_ns(current)->idr) - 1);
25*4882a593Smuzhiyun return 0;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun
proc_loadavg_init(void)28*4882a593Smuzhiyun static int __init proc_loadavg_init(void)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun proc_create_single("loadavg", 0, NULL, loadavg_proc_show);
31*4882a593Smuzhiyun return 0;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun fs_initcall(proc_loadavg_init);
34