Add linux-next specific files for 20110728
[linux-2.6/next.git] / include / trace / syscall.h
blob31966a4fb8ccab298a6e64f81400a1aec2c39ea9
1 #ifndef _TRACE_SYSCALL_H
2 #define _TRACE_SYSCALL_H
4 #include <linux/tracepoint.h>
5 #include <linux/unistd.h>
6 #include <linux/ftrace_event.h>
8 #include <asm/ptrace.h>
12 * A syscall entry in the ftrace syscalls array.
14 * @name: name of the syscall
15 * @syscall_nr: number of the syscall
16 * @nb_args: number of parameters it takes
17 * @types: list of types as strings
18 * @args: list of args as strings (args[i] matches types[i])
19 * @enter_event: associated syscall_enter trace event
20 * @exit_event: associated syscall_exit trace event
22 struct syscall_metadata {
23 const char *name;
24 int syscall_nr;
25 int nb_args;
26 const char **types;
27 const char **args;
28 struct list_head enter_fields;
30 struct ftrace_event_call *enter_event;
31 struct ftrace_event_call *exit_event;
34 #ifdef CONFIG_FTRACE_SYSCALLS
35 extern unsigned long arch_syscall_addr(int nr);
36 extern int init_syscall_trace(struct ftrace_event_call *call);
38 extern int reg_event_syscall_enter(struct ftrace_event_call *call);
39 extern void unreg_event_syscall_enter(struct ftrace_event_call *call);
40 extern int reg_event_syscall_exit(struct ftrace_event_call *call);
41 extern void unreg_event_syscall_exit(struct ftrace_event_call *call);
42 extern int
43 ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s);
44 enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags,
45 struct trace_event *event);
46 enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags,
47 struct trace_event *event);
48 #endif
50 #ifdef CONFIG_PERF_EVENTS
51 int perf_sysenter_enable(struct ftrace_event_call *call);
52 void perf_sysenter_disable(struct ftrace_event_call *call);
53 int perf_sysexit_enable(struct ftrace_event_call *call);
54 void perf_sysexit_disable(struct ftrace_event_call *call);
55 #endif
57 #endif /* _TRACE_SYSCALL_H */