mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
2d02494f5a
avenrun is an rough estimate so we don't have to worry about consistency of the three avenrun values. Remove the xtime lock dependency and provide a function to scale the values. Cleanup the users. [ Impact: cleanup ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include <linux/fs.h>
|
|
#include <linux/init.h>
|
|
#include <linux/pid_namespace.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/sched.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,
|
|
task_active_pid_ns(current)->last_pid);
|
|
return 0;
|
|
}
|
|
|
|
static int loadavg_proc_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, loadavg_proc_show, NULL);
|
|
}
|
|
|
|
static const struct file_operations loadavg_proc_fops = {
|
|
.open = loadavg_proc_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
};
|
|
|
|
static int __init proc_loadavg_init(void)
|
|
{
|
|
proc_create("loadavg", 0, NULL, &loadavg_proc_fops);
|
|
return 0;
|
|
}
|
|
module_init(proc_loadavg_init);
|