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 workqueue-mod

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debugfs.c

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/*

Adapted from: https://github.com/chadversary/debugfs-tutorial/blob/47b3cf7ca47208c61ccb51b27aac6f9f932bfe0b/example1/debugfs_example1.c

Usage:

/debugfs.sh

Requires `CONFIG_DEBUG_FS=y`.

*/

#include <linux/debugfs.h>

#include <linux/kernel.h>

#include <linux/module.h>

MODULE_LICENSE("GPL");

static struct dentry *dir = 0;

static u32 value = 42;

int init_module(void)

{

struct dentry *file;

dir = debugfs_create_dir("kernel_module_cheat", 0);

if (!dir) {

printk(KERN_ALERT "debugfs_create_dir failed");

return -1;

}

file = debugfs_create_u32("myfile", 0666, dir, &value);

if (!file) {

printk(KERN_ALERT "debugfs_create_u32 failed");

return -1;

}

return 0;

}

void cleanup_module(void)

{

debugfs_remove_recursive(dir);

}