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             : #include "internal.h"
       7             : 
       8             : /*
       9             :  * /proc/softirqs  ... display the number of softirqs
      10             :  */
      11           0 : static int show_softirqs(struct seq_file *p, void *v)
      12             : {
      13             :         int i, j;
      14             : 
      15           0 :         seq_puts(p, "                    ");
      16           0 :         for_each_possible_cpu(i)
      17           0 :                 seq_printf(p, "CPU%-8d", i);
      18           0 :         seq_putc(p, '\n');
      19             : 
      20           0 :         for (i = 0; i < NR_SOFTIRQS; i++) {
      21           0 :                 seq_printf(p, "%12s:", softirq_to_name[i]);
      22           0 :                 for_each_possible_cpu(j)
      23           0 :                         seq_printf(p, " %10u", kstat_softirqs_cpu(i, j));
      24           0 :                 seq_putc(p, '\n');
      25             :         }
      26           0 :         return 0;
      27             : }
      28             : 
      29           1 : static int __init proc_softirqs_init(void)
      30             : {
      31             :         struct proc_dir_entry *pde;
      32             : 
      33           1 :         pde = proc_create_single("softirqs", 0, NULL, show_softirqs);
      34           1 :         pde_make_permanent(pde);
      35           1 :         return 0;
      36             : }
      37             : fs_initcall(proc_softirqs_init);