thermal: armada: fix formula documentation comment
[linux-2.6-block.git] / include / trace / syscall.h
CommitLineData
47788c58
FW
1#ifndef _TRACE_SYSCALL_H
2#define _TRACE_SYSCALL_H
3
a871bd33 4#include <linux/tracepoint.h>
fb34a08c 5#include <linux/unistd.h>
af658dca 6#include <linux/trace_events.h>
4af4206b 7#include <linux/thread_info.h>
a871bd33 8
47788c58
FW
9#include <asm/ptrace.h>
10
a871bd33 11
47788c58
FW
12/*
13 * A syscall entry in the ftrace syscalls array.
14 *
15 * @name: name of the syscall
c252f657 16 * @syscall_nr: number of the syscall
47788c58
FW
17 * @nb_args: number of parameters it takes
18 * @types: list of types as strings
19 * @args: list of args as strings (args[i] matches types[i])
44a6a4ee 20 * @enter_fields: list of fields for syscall_enter trace event
540b7b8d
LZ
21 * @enter_event: associated syscall_enter trace event
22 * @exit_event: associated syscall_exit trace event
47788c58
FW
23 */
24struct syscall_metadata {
25 const char *name;
c252f657 26 int syscall_nr;
47788c58
FW
27 int nb_args;
28 const char **types;
29 const char **args;
2e33af02 30 struct list_head enter_fields;
540b7b8d 31
2425bcb9
SRRH
32 struct trace_event_call *enter_event;
33 struct trace_event_call *exit_event;
47788c58
FW
34};
35
4af4206b
ON
36#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
37static inline void syscall_tracepoint_update(struct task_struct *p)
38{
39 if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
40 set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
41 else
42 clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
43}
44#else
45static inline void syscall_tracepoint_update(struct task_struct *p)
46{
47}
48#endif
49
47788c58 50#endif /* _TRACE_SYSCALL_H */