linux 内核态 打印所有进程

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#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/utsname.h>


#include <linux/device.h>




//#define get_current() (current_thread_info()->task)
//#define current get_current()
//thread_info


static int version_proc_show(struct seq_file *m, void *v)
{
//seq_printf(m, linux_proc_banner, utsname()->sysname, utsname()->release, utsname()->version);





global_printf = 0;



struct task_struct *task,*p;
struct list_head *ps;
int count=0;
s3c_pm_dbg("begin.\n");
task=&init_task;
list_for_each(ps,&task->tasks)
{
p=list_entry(ps,struct task_struct,tasks);
count++;
s3c_pm_dbg("%d\t%s\n",p->pid,p->comm);
}
s3c_pm_dbg("Process counts:%d\n",count);
//return 0;
    //s3c_pm_dbg("hello proc!\r\n");

    s3c_pm_dbg( "current_thread_info() = %x.\r\n", current_thread_info() );
s3c_pm_dbg( "current = %x.\r\n", current );
    global_printf = 1;


return 0;
}


static int version_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, version_proc_show, NULL);
}


static const struct file_operations version_proc_fops = {
.open = version_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};


//dp_mcu
static int __init proc_version_init(void)
{
proc_create("version_test", 0, NULL, &version_proc_fops);
return 0;
}
module_init(proc_version_init);
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