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
loadavg_proc_show(struct seq_file * m,void * v)13 static int loadavg_proc_show(struct seq_file *m, void *v)
14 {
15 unsigned long avnrun[3];
16
17 get_avenrun(avnrun, FIXED_1/200, 0);
18
19 seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %u/%d %d\n",
20 LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
21 LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
22 LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
23 nr_running(), nr_threads,
24 idr_get_cursor(&task_active_pid_ns(current)->idr) - 1);
25 return 0;
26 }
27
proc_loadavg_init(void)28 static int __init proc_loadavg_init(void)
29 {
30 proc_create_single("loadavg", 0, NULL, loadavg_proc_show);
31 return 0;
32 }
33 fs_initcall(proc_loadavg_init);
34