Line data    Source code

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