You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.0 KiB
63 lines
2.0 KiB
#ifndef _TRACE_SYSCALL_H
|
|
#define _TRACE_SYSCALL_H
|
|
|
|
#include <linux/tracepoint.h>
|
|
#include <linux/unistd.h>
|
|
#include <linux/ftrace_event.h>
|
|
|
|
#include <asm/ptrace.h>
|
|
|
|
|
|
/*
|
|
* A syscall entry in the ftrace syscalls array.
|
|
*
|
|
* @name: name of the syscall
|
|
* @nb_args: number of parameters it takes
|
|
* @types: list of types as strings
|
|
* @args: list of args as strings (args[i] matches types[i])
|
|
* @enter_id: associated ftrace enter event id
|
|
* @exit_id: associated ftrace exit event id
|
|
* @enter_event: associated syscall_enter trace event
|
|
* @exit_event: associated syscall_exit trace event
|
|
*/
|
|
struct syscall_metadata {
|
|
const char *name;
|
|
int nb_args;
|
|
const char **types;
|
|
const char **args;
|
|
int enter_id;
|
|
int exit_id;
|
|
|
|
struct ftrace_event_call *enter_event;
|
|
struct ftrace_event_call *exit_event;
|
|
};
|
|
|
|
#ifdef CONFIG_FTRACE_SYSCALLS
|
|
extern struct syscall_metadata *syscall_nr_to_meta(int nr);
|
|
extern int syscall_name_to_nr(char *name);
|
|
void set_syscall_enter_id(int num, int id);
|
|
void set_syscall_exit_id(int num, int id);
|
|
extern struct trace_event event_syscall_enter;
|
|
extern struct trace_event event_syscall_exit;
|
|
extern int reg_event_syscall_enter(void *ptr);
|
|
extern void unreg_event_syscall_enter(void *ptr);
|
|
extern int reg_event_syscall_exit(void *ptr);
|
|
extern void unreg_event_syscall_exit(void *ptr);
|
|
extern int syscall_enter_format(struct ftrace_event_call *call,
|
|
struct trace_seq *s);
|
|
extern int syscall_exit_format(struct ftrace_event_call *call,
|
|
struct trace_seq *s);
|
|
extern int syscall_enter_define_fields(struct ftrace_event_call *call);
|
|
extern int syscall_exit_define_fields(struct ftrace_event_call *call);
|
|
enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags);
|
|
enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
|
|
#endif
|
|
#ifdef CONFIG_EVENT_PROFILE
|
|
int reg_prof_syscall_enter(char *name);
|
|
void unreg_prof_syscall_enter(char *name);
|
|
int reg_prof_syscall_exit(char *name);
|
|
void unreg_prof_syscall_exit(char *name);
|
|
|
|
#endif
|
|
|
|
#endif /* _TRACE_SYSCALL_H */
|
|
|