mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-24 20:54:10 +08:00
3f3942aca6
Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
34 lines
741 B
C
34 lines
741 B
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);
|