[linux.git] / fs / proc / softirqs.c

// 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>

/*
 * /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_printf(p, " %10u", kstat_softirqs_cpu(i, j));
		seq_putc(p, '\n');
	}
	return 0;
}

static int __init proc_softirqs_init(void)
{
	proc_create_single("softirqs", 0, NULL, show_softirqs);
	return 0;
}
fs_initcall(proc_softirqs_init);
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
d3d64df2 KK	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	static int show_softirqs(struct seq_file p, void v)
	11	{
	12	int i, j;
	13
9d6de12f	14	seq_puts(p, " ");
d3d64df2 KK	15	for_each_possible_cpu(i)
d3d64df2 KK	16	seq_printf(p, "CPU%-8d", i);
9d6de12f	17	seq_putc(p, '\n');
d3d64df2 KK	18
d3d64df2 KK	19	for (i = 0; i < NR_SOFTIRQS; i++) {
19cd56c4	20	seq_printf(p, "%12s:", softirq_to_name[i]);
d3d64df2 KK	21	for_each_possible_cpu(j)
d3d64df2 KK	22	seq_printf(p, " %10u", kstat_softirqs_cpu(i, j));
9d6de12f	23	seq_putc(p, '\n');
d3d64df2 KK	24	}
	25	return 0;
	26	}
	27
d3d64df2 KK	28	static int __init proc_softirqs_init(void)
d3d64df2 KK	29	{
3f3942ac	30	proc_create_single("softirqs", 0, NULL, show_softirqs);
d3d64df2 KK	31	return 0;
d3d64df2 KK	32	}
abaf3787	33	fs_initcall(proc_softirqs_init);