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brintos / linux-shallow public Read only

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1// SPDX-License-Identifier: GPL-2.02#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 softirqs10 */11static int show_softirqs(struct seq_file *p, void *v)12{13	int i, j;14 15	seq_puts(p, "                    ");16	for_each_possible_cpu(i)17		seq_printf(p, "CPU%-8d", i);18	seq_putc(p, '\n');19 20	for (i = 0; i < NR_SOFTIRQS; i++) {21		seq_printf(p, "%12s:", softirq_to_name[i]);22		for_each_possible_cpu(j)23			seq_put_decimal_ull_width(p, " ", kstat_softirqs_cpu(i, j), 10);24		seq_putc(p, '\n');25	}26	return 0;27}28 29static int __init proc_softirqs_init(void)30{31	struct proc_dir_entry *pde;32 33	pde = proc_create_single("softirqs", 0, NULL, show_softirqs);34	pde_make_permanent(pde);35	return 0;36}37fs_initcall(proc_softirqs_init);38