1 #include <linux/init.h>
2 #include <linux/kernel_stat.h>
3 #include <linux/proc_fs.h>
4 #include <linux/seq_file.h>
7 * /proc/softirqs ... display the number of softirqs
9 static int show_softirqs(struct seq_file *p, void *v)
14 for_each_possible_cpu(i)
15 seq_printf(p, "CPU%-8d", i);
18 for (i = 0; i < NR_SOFTIRQS; i++) {
19 seq_printf(p, "%12s:", softirq_to_name[i]);
20 for_each_possible_cpu(j)
21 seq_printf(p, " %10u", kstat_softirqs_cpu(i, j));
27 static int softirqs_open(struct inode *inode, struct file *file)
29 return single_open(file, show_softirqs, NULL);
32 static const struct file_operations proc_softirqs_operations = {
33 .open = softirqs_open,
36 .release = single_release,
39 static int __init proc_softirqs_init(void)
41 proc_create("softirqs", 0, NULL, &proc_softirqs_operations);
44 fs_initcall(proc_softirqs_init);