58 строки
1.8 KiB
C
58 строки
1.8 KiB
C
#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
|
|
* @syscall_nr: number 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_event: associated syscall_enter trace event
|
|
* @exit_event: associated syscall_exit trace event
|
|
*/
|
|
struct syscall_metadata {
|
|
const char *name;
|
|
int syscall_nr;
|
|
int nb_args;
|
|
const char **types;
|
|
const char **args;
|
|
struct list_head enter_fields;
|
|
|
|
struct ftrace_event_call *enter_event;
|
|
struct ftrace_event_call *exit_event;
|
|
};
|
|
|
|
#ifdef CONFIG_FTRACE_SYSCALLS
|
|
extern unsigned long arch_syscall_addr(int nr);
|
|
extern int init_syscall_trace(struct ftrace_event_call *call);
|
|
|
|
extern int reg_event_syscall_enter(struct ftrace_event_call *call);
|
|
extern void unreg_event_syscall_enter(struct ftrace_event_call *call);
|
|
extern int reg_event_syscall_exit(struct ftrace_event_call *call);
|
|
extern void unreg_event_syscall_exit(struct ftrace_event_call *call);
|
|
extern int
|
|
ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s);
|
|
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);
|
|
#endif
|
|
|
|
#ifdef CONFIG_PERF_EVENTS
|
|
int perf_sysenter_enable(struct ftrace_event_call *call);
|
|
void perf_sysenter_disable(struct ftrace_event_call *call);
|
|
int perf_sysexit_enable(struct ftrace_event_call *call);
|
|
void perf_sysexit_disable(struct ftrace_event_call *call);
|
|
#endif
|
|
|
|
#endif /* _TRACE_SYSCALL_H */
|