trace_export.c File Reference

#include <linux/stringify.h>
#include <linux/kallsyms.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/uaccess.h>
#include <linux/ftrace.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
#include "trace_output.h"
#include "trace_entries.h"

Go to the source code of this file.

Macros
#define	TRACE_SYSTEM   ftrace
#define	FTRACE_ENTRY_REG(name, struct_name, id, tstruct, print, filter, regfn)
#define	__field_struct(type, item)
#define	__field(type, item)   type item;
#define	__field_desc(type, container, item)   type item;
#define	__array(type, item, size)   type item[size];
#define	__array_desc(type, container, item, size)   type item[size];
#define	__dynamic_array(type, item)   type item[];
#define	F_STRUCT(args...)   args
#define	F_printk(fmt, args...)   fmt, args
#define	FTRACE_ENTRY(name, struct_name, id, tstruct, print, filter)
#define	FTRACE_ENTRY_DUP(name, struct_name, id, tstruct, print, filter)
#define	__field(type, item)
#define	__field_desc(type, container, item)
#define	__array(type, item, len)
#define	__array_desc(type, container, item, len)
#define	__dynamic_array(type, item)
#define	FTRACE_ENTRY(name, struct_name, id, tstruct, print, filter)
#define	__entry   REC
#define	__field(type, item)
#define	__field_desc(type, container, item)
#define	__array(type, item, len)
#define	__array_desc(type, container, item, len)
#define	__dynamic_array(type, item)
#define	F_printk(fmt, args...)   __stringify(fmt) ", " __stringify(args)
#define	FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, filter, regfn)
#define	FTRACE_ENTRY(call, struct_name, etype, tstruct, print, filter)

Functions
int	ftrace_event_is_function (struct ftrace_event_call *call)

Macro Definition Documentation

#define __array	(		type,
			item,
			size
	)		type item[size];

Definition at line 156 of file trace_export.c.

#define __array	(		type,
			item,
			len
	)

Value:

do {                                \
        BUILD_BUG_ON(len > MAX_FILTER_STR_VAL);         \
        mutex_lock(&event_storage_mutex);           \
        snprintf(event_storage, sizeof(event_storage),      \
             "%s[%d]", #type, len);             \
        ret = trace_define_field(event_call, event_storage, #item, \
                 offsetof(typeof(field), item),     \
                 sizeof(field.item),            \
                 is_signed_type(type), filter_type);    \
        mutex_unlock(&event_storage_mutex);         \
        if (ret)                        \
            return ret;                 \
    } while (0);

Definition at line 156 of file trace_export.c.

#define __array	(		type,
			item,
			len
	)

Definition at line 156 of file trace_export.c.

#define __array_desc	(		type,
			container,
			item,
			size
	)		type item[size];

Definition at line 159 of file trace_export.c.

#define __array_desc	(		type,
			container,
			item,
			len
	)

Value:

BUILD_BUG_ON(len > MAX_FILTER_STR_VAL);             \
    ret = trace_define_field(event_call, #type "[" #len "]", #item, \
                 offsetof(typeof(field),        \
                      container.item),      \
                 sizeof(field.container.item),      \
                 is_signed_type(type), filter_type);    \
    if (ret)                            \
        return ret;

Definition at line 159 of file trace_export.c.

#define __array_desc	(		type,
			container,
			item,
			len
	)

Definition at line 159 of file trace_export.c.

#define __dynamic_array	(		type,
			item
	)		type item[];

Definition at line 162 of file trace_export.c.

#define __dynamic_array	(		type,
			item
	)

Value:

ret = trace_define_field(event_call, #type, #item,      \
                 offsetof(typeof(field), item),     \
                 0, is_signed_type(type), filter_type);\
    if (ret)                            \
        return ret;

Definition at line 162 of file trace_export.c.

#define __dynamic_array	(		type,
			item
	)

Definition at line 162 of file trace_export.c.

#define __entry   REC

Definition at line 147 of file trace_export.c.

#define __field	(		type,
			item
	)		type item;

Definition at line 150 of file trace_export.c.

#define __field	(		type,
			item
	)

Value:

ret = trace_define_field(event_call, #type, #item,      \
                 offsetof(typeof(field), item),     \
                 sizeof(field.item),            \
                 is_signed_type(type), filter_type);    \
    if (ret)                            \
        return ret;

Definition at line 150 of file trace_export.c.

#define __field	(		type,
			item
	)

Definition at line 150 of file trace_export.c.

#define __field_desc	(		type,
			container,
			item
	)		type item;

Definition at line 153 of file trace_export.c.

#define __field_desc	(		type,
			container,
			item
	)

Value:

ret = trace_define_field(event_call, #type, #item,      \
                 offsetof(typeof(field),        \
                      container.item),      \
                 sizeof(field.container.item),      \
                 is_signed_type(type), filter_type);    \
    if (ret)                            \
        return ret;

Definition at line 153 of file trace_export.c.

#define __field_desc	(		type,
			container,
			item
	)

Definition at line 153 of file trace_export.c.

#define __field_struct	(		type,
			item
	)

Definition at line 33 of file trace_export.c.

#define F_printk	(		fmt,
			args...
	)		fmt, args

Definition at line 165 of file trace_export.c.

#define F_printk	(		fmt,
			args...
	)		__stringify(fmt) ", " __stringify(args)

Definition at line 165 of file trace_export.c.

#define F_STRUCT

(

args...

)

args

Definition at line 51 of file trace_export.c.

#define FTRACE_ENTRY	(		name,
			struct_name,
			id,
			tstruct,
			print,
			filter
	)

Value:

struct ____ftrace_##name {                      \
    tstruct                             \
};                                  \
static void __always_unused ____ftrace_check_##name(void)       \
{                                   \
	struct ____ftrace_##name *__entry = NULL;          \
                                    \
    /* force compile-time check on F_printk() */            \
    printk(print);                          \
}

Definition at line 189 of file trace_export.c.

#define FTRACE_ENTRY	(		name,
			struct_name,
			id,
			tstruct,
			print,
			filter
	)

Value:

int                                 \
ftrace_define_fields_##name(struct ftrace_event_call *event_call)   \
{                                   \
	struct struct_name field;                  \
    int ret;                            \
    int filter_type = filter;                   \
                                    \
    tstruct;                            \
                                    \
    return ret;                         \
}

Definition at line 189 of file trace_export.c.

#define FTRACE_ENTRY	(		call,
			struct_name,
			etype,
			tstruct,
			print,
			filter
	)

Value:

FTRACE_ENTRY_REG(call, struct_name, etype,          \
             PARAMS(tstruct), PARAMS(print), filter, NULL)

Definition at line 189 of file trace_export.c.

#define FTRACE_ENTRY_DUP	(		name,
			struct_name,
			id,
			tstruct,
			print,
			filter
	)

Value:

FTRACE_ENTRY(name, struct_name, id, PARAMS(tstruct), PARAMS(print), \
             filter)

Definition at line 70 of file trace_export.c.

#define FTRACE_ENTRY_REG	(		name,
			struct_name,
			id,
			tstruct,
			print,
			filter,
			regfn
	)

Value:

FTRACE_ENTRY(name, struct_name, id, PARAMS(tstruct), PARAMS(print), \
             filter)

Definition at line 168 of file trace_export.c.

#define FTRACE_ENTRY_REG	(		call,
			struct_name,
			etype,
			tstruct,
			print,
			filter,
			regfn
	)

Value:

\
struct ftrace_event_class event_class_ftrace_##call = {         \
    .system         = __stringify(TRACE_SYSTEM),        \
    .define_fields      = ftrace_define_fields_##call,      \
    .fields         = LIST_HEAD_INIT(event_class_ftrace_##call.fields),\
    .reg            = regfn,                \
};                                  \
                                    \
struct ftrace_event_call __used event_##call = {            \
    .name           = #call,                \
    .event.type     = etype,                \
    .class          = &event_class_ftrace_##call,       \
    .print_fmt      = print,                \
    .flags          = TRACE_EVENT_FL_IGNORE_ENABLE,     \
};                                  \
struct ftrace_event_call __used						\
__attribute__((section("_ftrace_events"))) *__event_##call = &event_##call;

Definition at line 168 of file trace_export.c.

#define TRACE_SYSTEM   ftrace

Definition at line 19 of file trace_export.c.

Function Documentation

int ftrace_event_is_function

(

struct ftrace_event_call *

call

)

Definition at line 193 of file trace_export.c.