trace_syscalls.c File Reference

#include <trace/syscall.h>
#include <trace/events/syscalls.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/ftrace.h>
#include <linux/perf_event.h>
#include <asm/syscall.h>
#include "trace_output.h"
#include "trace.h"

Go to the source code of this file.

Macros
#define	SYSCALL_FIELD(type, name)
#define	LEN_OR_ZERO   (len ? len - pos : 0)

Functions
enum print_line_t	print_syscall_enter (struct trace_iterator *iter, int flags, struct trace_event *event)
enum print_line_t	print_syscall_exit (struct trace_iterator *iter, int flags, struct trace_event *event)
char *	__bad_type_size (void)
void	ftrace_syscall_enter (void *ignore, struct pt_regs *regs, long id)
void	ftrace_syscall_exit (void *ignore, struct pt_regs *regs, long ret)
int	reg_event_syscall_enter (struct ftrace_event_call *call)
void	unreg_event_syscall_enter (struct ftrace_event_call *call)
int	reg_event_syscall_exit (struct ftrace_event_call *call)
void	unreg_event_syscall_exit (struct ftrace_event_call *call)
int	init_syscall_trace (struct ftrace_event_call *call)
unsigned long __init __weak	arch_syscall_addr (int nr)
int __init	init_ftrace_syscalls (void)
	early_initcall (init_ftrace_syscalls)

Variables
struct trace_event_functions	enter_syscall_print_funcs
struct trace_event_functions	exit_syscall_print_funcs
struct ftrace_event_class	event_class_syscall_enter
struct ftrace_event_class	event_class_syscall_exit
struct syscall_metadata *	__start_syscalls_metadata []
struct syscall_metadata *	__stop_syscalls_metadata []

Macro Definition Documentation

#define LEN_OR_ZERO   (len ? len - pos : 0)

#define SYSCALL_FIELD	(		type,
			name
	)

Value:

sizeof(type) != sizeof(trace.name) ?                \
        __bad_type_size() :                 \
        #type, #name, offsetof(typeof(trace), name),        \
        sizeof(trace.name), is_signed_type(type)

Definition at line 195 of file trace_syscalls.c.

Function Documentation

char* __bad_type_size

(

void

)

unsigned long __init __weak arch_syscall_addr

(

int

nr

)

Definition at line 460 of file trace_syscalls.c.

early_initcall

(

init_ftrace_syscalls

)

void ftrace_syscall_enter	(	void *	ignore,
		struct pt_regs *	regs,
		long	id
	)

Definition at line 300 of file trace_syscalls.c.

void ftrace_syscall_exit	(	void *	ignore,
		struct pt_regs *	regs,
		long	ret
	)

Definition at line 335 of file trace_syscalls.c.

int __init init_ftrace_syscalls

(

void

)

Definition at line 465 of file trace_syscalls.c.

int init_syscall_trace

(

struct ftrace_event_call *

call

)

Definition at line 435 of file trace_syscalls.c.

enum print_line_t print_syscall_enter	(	struct trace_iterator *	iter,
		int	flags,
		struct trace_event *	event
	)

Definition at line 108 of file trace_syscalls.c.

enum print_line_t print_syscall_exit	(	struct trace_iterator *	iter,
		int	flags,
		struct trace_event *	event
	)

Definition at line 161 of file trace_syscalls.c.

int reg_event_syscall_enter

(

struct ftrace_event_call *

call

)

Definition at line 367 of file trace_syscalls.c.

int reg_event_syscall_exit

(

struct ftrace_event_call *

call

)

Definition at line 401 of file trace_syscalls.c.

void unreg_event_syscall_enter

(

struct ftrace_event_call *

call

)

Definition at line 386 of file trace_syscalls.c.

void unreg_event_syscall_exit

(

struct ftrace_event_call *

call

)

Definition at line 420 of file trace_syscalls.c.

Variable Documentation

struct syscall_metadata* __start_syscalls_metadata[]

struct syscall_metadata* __stop_syscalls_metadata[]

struct trace_event_functions enter_syscall_print_funcs

Initial value:

= {
    .trace      = print_syscall_enter,
}

Definition at line 35 of file trace_syscalls.c.

struct ftrace_event_class event_class_syscall_enter

Initial value:

= {
    .system     = "syscalls",
    .reg        = syscall_enter_register,
    .define_fields  = syscall_enter_define_fields,
    .get_fields = syscall_get_enter_fields,
    .raw_init   = init_syscall_trace,
}

Definition at line 43 of file trace_syscalls.c.

struct ftrace_event_class event_class_syscall_exit

Initial value:

= {
    .system     = "syscalls",
    .reg        = syscall_exit_register,
    .define_fields  = syscall_exit_define_fields,
    .fields     = LIST_HEAD_INIT(event_class_syscall_exit.fields),
    .raw_init   = init_syscall_trace,
}

Definition at line 51 of file trace_syscalls.c.

struct trace_event_functions exit_syscall_print_funcs

Initial value:

= {
    .trace      = print_syscall_exit,
}

Definition at line 39 of file trace_syscalls.c.