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#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sched/signal.h>
#include <linux/sched.h>
#define GREEN(x) "\x1b[92m" x "\x1b[0m"
#define BLUE(x) "\x1b[96m" x "\x1b[0m"
#define UNDERLINE(x) "\x1b[4m" x "\x1b[0m"
MODULE_LICENSE("GPL");
MODULE_AUTHOR("PES1");
MODULE_DESCRIPTION("Process list program");
MODULE_VERSION("1.0");
static int __init process_print (void) {
struct task_struct *task;
struct task_struct *task_child;
struct list_head *list;
int count = 10;
printk("%s", GREEN("Loading kernel module\n"));
printk("%s\t%s\t%s\t%s\t\n", BLUE(UNDERLINE("PPNAME")),
BLUE(UNDERLINE("PPID")), BLUE(UNDERLINE("PNAME")), BLUE(UNDERLINE("PID")));
for_each_process(task) {
list_for_each(list, &task->children) {
task_child = list_entry(list, struct task_struct, sibling);
printk("%s\t%d\t%s\t%d\t\n", task->comm, task->pid, task_child->comm,
task_child->pid);
--count;
if (count <= 0)
return 0;
}
}
return 0;
}
static void __exit cleanup (void) {
printk(KERN_INFO "Exiting\n");
Makefile
run.sh
Output
}
module_init(process_print);
module_exit(cleanup);

/*
///////////////////////////////////////////////////////////////////////////////////////////////////////

obj-m += main.o
all:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean

///////////////////////////////////////////////////////////////////////////////////////////////////////

sudo insmod main.ko
sudo modinfo main.ko
tail /var/log/kern.log -n 12
sudo rmmod main.ko
*/