mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2025-02-15 16:39:12 +08:00
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
*/
|
|
|
|
#include "proc.h"
|
|
#include "procfs.h"
|
|
|
|
#include <rthw.h>
|
|
#include <rtdbg.h>
|
|
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
|
|
#include <dfs_dentry.h>
|
|
|
|
|
|
static void *seq_start(struct dfs_seq_file *seq, off_t *index)
|
|
{
|
|
off_t i = *index; // seq->index
|
|
|
|
return NULL + (i == 0);
|
|
}
|
|
|
|
static void seq_stop(struct dfs_seq_file *seq, void *data)
|
|
{
|
|
}
|
|
|
|
static void *seq_next(struct dfs_seq_file *seq, void *data, off_t *index)
|
|
{
|
|
/* data: The return value of the start or next*/
|
|
off_t i = *index + 1; // seq->index
|
|
|
|
*index = i;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int seq_show(struct dfs_seq_file *seq, void *data)
|
|
{
|
|
int i;
|
|
rt_cpu_t pcpu;
|
|
rt_uint64_t user_total = 0;
|
|
rt_uint64_t system_total = 0;
|
|
rt_uint64_t idle_total = 0;
|
|
|
|
for (i = 0; i < RT_CPUS_NR; i++)
|
|
{
|
|
pcpu = rt_cpu_index(i);
|
|
user_total = user_total + pcpu->cpu_stat.user;
|
|
system_total = system_total + pcpu->cpu_stat.system;
|
|
idle_total = idle_total + pcpu->cpu_stat.idle;
|
|
}
|
|
dfs_seq_printf(seq, "cpu %llu 0 %llu %llu 0 0 0 0 0 0\n", user_total, system_total, idle_total);
|
|
|
|
for (i = 0; i < RT_CPUS_NR; i++)
|
|
{
|
|
pcpu = rt_cpu_index(i);
|
|
dfs_seq_printf(seq, "cpu%d ",i);
|
|
dfs_seq_printf(seq, "%llu ",pcpu->cpu_stat.user);//user
|
|
dfs_seq_printf(seq, "0 ");//nice
|
|
dfs_seq_printf(seq, "%llu ",pcpu->cpu_stat.system);//system
|
|
dfs_seq_printf(seq, "%llu ",pcpu->cpu_stat.idle);//idle
|
|
dfs_seq_printf(seq, "0 ");//iowait
|
|
dfs_seq_printf(seq, "0 ");//irq
|
|
dfs_seq_printf(seq, "0 ");//softirq
|
|
dfs_seq_printf(seq, "0 0 0\n");//steal,guest,guest_nice
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dfs_seq_ops seq_ops = {
|
|
.start = seq_start,
|
|
.stop = seq_stop,
|
|
.next = seq_next,
|
|
.show = seq_show,
|
|
};
|
|
|
|
rt_weak const struct dfs_seq_ops *stat_get_seq_ops(void)
|
|
{
|
|
return &seq_ops;
|
|
}
|
|
|
|
static int proc_open(struct dfs_file *file)
|
|
{
|
|
return dfs_seq_open(file, stat_get_seq_ops());
|
|
}
|
|
|
|
static int proc_close(struct dfs_file *file)
|
|
{
|
|
return dfs_seq_release(file);
|
|
}
|
|
|
|
static const struct dfs_file_ops file_ops = {
|
|
.open = proc_open,
|
|
.read = dfs_seq_read,
|
|
.lseek = dfs_seq_lseek,
|
|
.close = proc_close,
|
|
};
|
|
|
|
int proc_stat_init(void)
|
|
{
|
|
struct proc_dentry *dentry = proc_create_data("stat", 0, NULL, &file_ops, NULL);
|
|
proc_release(dentry);
|
|
|
|
return 0;
|
|
}
|
|
INIT_ENV_EXPORT(proc_stat_init);
|