dynamic_debug.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kallsyms.h>
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/list.h>
#include <linux/sysctl.h>
#include <linux/ctype.h>
#include <linux/string.h>
#include <linux/uaccess.h>
#include <linux/dynamic_debug.h>
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/jump_label.h>
#include <linux/hardirq.h>
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/netdevice.h>

Go to the source code of this file.

Data Structures
struct	ddebug_table
struct	ddebug_query
struct	ddebug_iter

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ":%s: " fmt, __func__
#define	vpr_info(fmt,...)   if (verbose) do { pr_info(fmt, ##__VA_ARGS__); } while (0)
#define	vpr_info_dq(q, msg)
#define	isodigit(c)   ((c) >= '0' && (c) <= '7')
#define	MAXWORDS   9
#define	PREFIX_SIZE   64
#define	DDEBUG_STRING_SIZE   1024
#define	USER_BUF_PAGE   4096

Functions
	module_param (verbose, int, 0644)
int	__dynamic_pr_debug (struct _ddebug *descriptor, const char *fmt,...)
	EXPORT_SYMBOL (__dynamic_pr_debug)
int	__dynamic_dev_dbg (struct _ddebug *descriptor, const struct device *dev, const char *fmt,...)
	EXPORT_SYMBOL (__dynamic_dev_dbg)
	__setup ("ddebug_query=", ddebug_setup_query)
int	ddebug_add_module (struct _ddebug *tab, unsigned int n, const char *name)
	EXPORT_SYMBOL_GPL (ddebug_add_module)
int	ddebug_dyndbg_module_param_cb (char *param, char *val, const char *module)
int	ddebug_remove_module (const char *mod_name)
	EXPORT_SYMBOL_GPL (ddebug_remove_module)
	early_initcall (dynamic_debug_init)
	fs_initcall (dynamic_debug_init_debugfs)

Variables
struct _ddebug	__start___verbose []
struct _ddebug	__stop___verbose []

Macro Definition Documentation

#define DDEBUG_STRING_SIZE   1024

Definition at line 647 of file dynamic_debug.c.

#define isodigit

(

c

)

((c) >= '0' && (c) <= '7')

Definition at line 275 of file dynamic_debug.c.

#define MAXWORDS   9

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ":%s: " fmt, __func__

Definition at line 13 of file dynamic_debug.c.

#define PREFIX_SIZE   64

Definition at line 510 of file dynamic_debug.c.

#define USER_BUF_PAGE   4096

Definition at line 666 of file dynamic_debug.c.

#define vpr_info	(		fmt,
			...
	)		if (verbose) do { pr_info(fmt, ##__VA_ARGS__); } while (0)

Definition at line 110 of file dynamic_debug.c.

#define vpr_info_dq	(		q,
			msg
	)

Value:

do {                                \
    /* trim last char off format print */           \
    vpr_info("%s: func=\"%s\" file=\"%s\" "         \
        "module=\"%s\" format=\"%.*s\" "        \
        "lineno=%u-%u",                 \
        msg,                        \
        q->function ? q->function : "",         \
        q->filename ? q->filename : "",         \
        q->module ? q->module : "",         \
        (int)(q->format ? strlen(q->format) - 1 : 0),   \
        q->format ? q->format : "",         \
        q->first_lineno, q->last_lineno);       \
} while (0)

Definition at line 113 of file dynamic_debug.c.

Function Documentation

int __dynamic_dev_dbg	(	struct _ddebug *	descriptor,
		const struct device *	dev,
		const char *	fmt,
			...
	)

Definition at line 575 of file dynamic_debug.c.

int __dynamic_pr_debug	(	struct _ddebug *	descriptor,
		const char *	fmt,
			...
	)

Definition at line 551 of file dynamic_debug.c.

__setup

(

)

int ddebug_add_module	(	struct _ddebug *	tab,
		unsigned int	n,
		const char *	name
	)

Definition at line 872 of file dynamic_debug.c.

int ddebug_dyndbg_module_param_cb	(	char *	param,
		char *	val,
		const char *	module
	)

Definition at line 933 of file dynamic_debug.c.

int ddebug_remove_module

(

const char *

mod_name

)

Definition at line 950 of file dynamic_debug.c.

early_initcall

(

dynamic_debug_init

)

EXPORT_SYMBOL

(

__dynamic_pr_debug

)

EXPORT_SYMBOL

(

__dynamic_dev_dbg

)

EXPORT_SYMBOL_GPL

(

ddebug_add_module

)

EXPORT_SYMBOL_GPL

(

ddebug_remove_module

)

fs_initcall

(

dynamic_debug_init_debugfs

)

module_param	(	verbose	,
		int	,
		0644
	)

Variable Documentation

struct _ddebug __start___verbose[]

struct _ddebug __stop___verbose[]

unsigned flag

Definition at line 83 of file dynamic_debug.c.

char opt_char

Definition at line 83 of file dynamic_debug.c.