File: softirqs.c

package info (click to toggle)
linux 6.1.139-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,495,880 kB
  • sloc: ansic: 23,469,452; asm: 266,614; sh: 110,522; makefile: 49,887; python: 36,990; perl: 36,834; cpp: 6,056; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (37 lines) | stat: -rw-r--r-- 840 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
// SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include "internal.h"

/*
 * /proc/softirqs  ... display the number of softirqs
 */
static int show_softirqs(struct seq_file *p, void *v)
{
	int i, j;

	seq_puts(p, "                    ");
	for_each_possible_cpu(i)
		seq_printf(p, "CPU%-8d", i);
	seq_putc(p, '\n');

	for (i = 0; i < NR_SOFTIRQS; i++) {
		seq_printf(p, "%12s:", softirq_to_name[i]);
		for_each_possible_cpu(j)
			seq_put_decimal_ull_width(p, " ", kstat_softirqs_cpu(i, j), 10);
		seq_putc(p, '\n');
	}
	return 0;
}

static int __init proc_softirqs_init(void)
{
	struct proc_dir_entry *pde;

	pde = proc_create_single("softirqs", 0, NULL, show_softirqs);
	pde_make_permanent(pde);
	return 0;
}
fs_initcall(proc_softirqs_init);