mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 05:34:00 +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>
37 lines
974 B
C
37 lines
974 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/fs.h>
|
|
#include <linux/init.h>
|
|
#include <linux/pid_namespace.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/sched/loadavg.h>
|
|
#include <linux/sched/stat.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/seqlock.h>
|
|
#include <linux/time.h>
|
|
|
|
#define LOAD_INT(x) ((x) >> FSHIFT)
|
|
#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
|
|
|
|
static int loadavg_proc_show(struct seq_file *m, void *v)
|
|
{
|
|
unsigned long avnrun[3];
|
|
|
|
get_avenrun(avnrun, FIXED_1/200, 0);
|
|
|
|
seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
|
|
LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
|
|
LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
|
|
LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
|
|
nr_running(), nr_threads,
|
|
idr_get_cursor(&task_active_pid_ns(current)->idr) - 1);
|
|
return 0;
|
|
}
|
|
|
|
static int __init proc_loadavg_init(void)
|
|
{
|
|
proc_create_single("loadavg", 0, NULL, loadavg_proc_show);
|
|
return 0;
|
|
}
|
|
fs_initcall(proc_loadavg_init);
|