Line data    Source code

       1             : // SPDX-License-Identifier: GPL-2.0
       2             : #include <linux/init.h>
       3             : #include <linux/kernel_stat.h>
       4             : #include <linux/proc_fs.h>
       5             : #include <linux/seq_file.h>
       6             : 
       7             : /*
       8             :  * /proc/softirqs  ... display the number of softirqs
       9             :  */
      10           0 : static int show_softirqs(struct seq_file *p, void *v)
      11             : {
      12           0 :         int i, j;
      13             : 
      14           0 :         seq_puts(p, "                    ");
      15           0 :         for_each_possible_cpu(i)
      16           0 :                 seq_printf(p, "CPU%-8d", i);
      17           0 :         seq_putc(p, '\n');
      18             : 
      19           0 :         for (i = 0; i < NR_SOFTIRQS; i++) {
      20           0 :                 seq_printf(p, "%12s:", softirq_to_name[i]);
      21           0 :                 for_each_possible_cpu(j)
      22           0 :                         seq_printf(p, " %10u", kstat_softirqs_cpu(i, j));
      23           0 :                 seq_putc(p, '\n');
      24             :         }
      25           0 :         return 0;
      26             : }
      27             : 
      28           1 : static int __init proc_softirqs_init(void)
      29             : {
      30           1 :         proc_create_single("softirqs", 0, NULL, show_softirqs);
      31           1 :         return 0;
      32             : }
      33             : fs_initcall(proc_softirqs_init);