Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 1 | #ifndef __TRACE_EVENTS_H |
| 2 | #define __TRACE_EVENTS_H |
| 3 | |
| 4 | #include "trace.h" |
| 5 | |
Arnaldo Carvalho de Melo | ae7462b | 2009-02-03 22:05:50 -0200 | [diff] [blame] | 6 | typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter, |
| 7 | int flags); |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 8 | |
| 9 | struct trace_event { |
| 10 | struct hlist_node node; |
| 11 | int type; |
| 12 | trace_print_func trace; |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 13 | trace_print_func raw; |
| 14 | trace_print_func hex; |
| 15 | trace_print_func binary; |
| 16 | }; |
| 17 | |
Steven Rostedt | c37abc5 | 2009-01-15 20:50:54 -0500 | [diff] [blame] | 18 | extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...) |
| 19 | __attribute__ ((format (printf, 2, 3))); |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 20 | extern int |
Frederic Weisbecker | 769b044 | 2009-03-06 17:21:49 +0100 | [diff] [blame^] | 21 | trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary); |
| 22 | extern int |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 23 | seq_print_ip_sym(struct trace_seq *s, unsigned long ip, |
| 24 | unsigned long sym_flags); |
| 25 | extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf, |
| 26 | size_t cnt); |
| 27 | int trace_seq_puts(struct trace_seq *s, const char *str); |
| 28 | int trace_seq_putc(struct trace_seq *s, unsigned char c); |
| 29 | int trace_seq_putmem(struct trace_seq *s, void *mem, size_t len); |
| 30 | int trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len); |
| 31 | int trace_seq_path(struct trace_seq *s, struct path *path); |
| 32 | int seq_print_userip_objs(const struct userstack_entry *entry, |
| 33 | struct trace_seq *s, unsigned long sym_flags); |
| 34 | int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm, |
| 35 | unsigned long ip, unsigned long sym_flags); |
| 36 | |
Frederic Weisbecker | c4a8e8b | 2009-02-02 20:29:21 -0200 | [diff] [blame] | 37 | int trace_print_context(struct trace_iterator *iter); |
| 38 | int trace_print_lat_context(struct trace_iterator *iter); |
| 39 | |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 40 | struct trace_event *ftrace_find_event(int type); |
| 41 | int register_ftrace_event(struct trace_event *event); |
| 42 | int unregister_ftrace_event(struct trace_event *event); |
| 43 | |
Arnaldo Carvalho de Melo | ae7462b | 2009-02-03 22:05:50 -0200 | [diff] [blame] | 44 | enum print_line_t trace_nop_print(struct trace_iterator *iter, int flags); |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 45 | |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 46 | #define MAX_MEMHEX_BYTES 8 |
| 47 | #define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1) |
| 48 | |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 49 | #define SEQ_PUT_FIELD_RET(s, x) \ |
| 50 | do { \ |
| 51 | if (!trace_seq_putmem(s, &(x), sizeof(x))) \ |
Lai Jiangshan | 6c1a99a | 2009-01-15 18:05:40 +0800 | [diff] [blame] | 52 | return TRACE_TYPE_PARTIAL_LINE; \ |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 53 | } while (0) |
| 54 | |
| 55 | #define SEQ_PUT_HEX_FIELD_RET(s, x) \ |
| 56 | do { \ |
| 57 | BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \ |
| 58 | if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \ |
Lai Jiangshan | 6c1a99a | 2009-01-15 18:05:40 +0800 | [diff] [blame] | 59 | return TRACE_TYPE_PARTIAL_LINE; \ |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 60 | } while (0) |
| 61 | |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 62 | #endif |
| 63 | |