Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 1 | #ifndef __TRACE_EVENTS_H |
| 2 | #define __TRACE_EVENTS_H |
| 3 | |
Steven Rostedt | 9504504 | 2009-04-11 12:59:57 -0400 | [diff] [blame] | 4 | #include <linux/trace_seq.h> |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 5 | #include "trace.h" |
| 6 | |
Steven Rostedt | 5ef841f | 2009-03-19 12:20:38 -0400 | [diff] [blame] | 7 | extern enum print_line_t |
| 8 | trace_print_bprintk_msg_only(struct trace_iterator *iter); |
| 9 | extern enum print_line_t |
| 10 | trace_print_printk_msg_only(struct trace_iterator *iter); |
| 11 | |
Frederic Weisbecker | 769b044 | 2009-03-06 17:21:49 +0100 | [diff] [blame] | 12 | extern int |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 13 | seq_print_ip_sym(struct trace_seq *s, unsigned long ip, |
| 14 | unsigned long sym_flags); |
Eduard - Gabriel Munteanu | f285901 | 2009-03-23 15:12:23 +0200 | [diff] [blame] | 15 | extern int seq_print_userip_objs(const struct userstack_entry *entry, |
| 16 | struct trace_seq *s, unsigned long sym_flags); |
| 17 | extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm, |
| 18 | unsigned long ip, unsigned long sym_flags); |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 19 | |
Eduard - Gabriel Munteanu | f285901 | 2009-03-23 15:12:23 +0200 | [diff] [blame] | 20 | extern int trace_print_context(struct trace_iterator *iter); |
| 21 | extern int trace_print_lat_context(struct trace_iterator *iter); |
Frederic Weisbecker | c4a8e8b | 2009-02-02 20:29:21 -0200 | [diff] [blame] | 22 | |
Lai Jiangshan | 4f53596 | 2009-05-18 19:35:34 +0800 | [diff] [blame] | 23 | extern void trace_event_read_lock(void); |
| 24 | extern void trace_event_read_unlock(void); |
Eduard - Gabriel Munteanu | f285901 | 2009-03-23 15:12:23 +0200 | [diff] [blame] | 25 | extern struct trace_event *ftrace_find_event(int type); |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 26 | |
Eduard - Gabriel Munteanu | f285901 | 2009-03-23 15:12:23 +0200 | [diff] [blame] | 27 | extern enum print_line_t trace_nop_print(struct trace_iterator *iter, |
| 28 | int flags); |
Steven Rostedt | f81c972 | 2009-09-11 14:24:13 -0400 | [diff] [blame] | 29 | extern int |
| 30 | trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry); |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 31 | |
Steven Rostedt | 110bf2b | 2009-06-09 17:29:07 -0400 | [diff] [blame] | 32 | /* used by module unregistering */ |
| 33 | extern int __unregister_ftrace_event(struct trace_event *event); |
| 34 | extern struct rw_semaphore trace_event_mutex; |
| 35 | |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 36 | #define MAX_MEMHEX_BYTES 8 |
| 37 | #define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1) |
| 38 | |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 39 | #define SEQ_PUT_FIELD_RET(s, x) \ |
| 40 | do { \ |
| 41 | if (!trace_seq_putmem(s, &(x), sizeof(x))) \ |
Lai Jiangshan | 6c1a99a | 2009-01-15 18:05:40 +0800 | [diff] [blame] | 42 | return TRACE_TYPE_PARTIAL_LINE; \ |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 43 | } while (0) |
| 44 | |
| 45 | #define SEQ_PUT_HEX_FIELD_RET(s, x) \ |
| 46 | do { \ |
| 47 | BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \ |
| 48 | if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \ |
Lai Jiangshan | 6c1a99a | 2009-01-15 18:05:40 +0800 | [diff] [blame] | 49 | return TRACE_TYPE_PARTIAL_LINE; \ |
Steven Rostedt | f633cef | 2008-12-23 23:24:13 -0500 | [diff] [blame] | 50 | } while (0) |
| 51 | |
Steven Rostedt | f0868d1 | 2008-12-23 23:24:12 -0500 | [diff] [blame] | 52 | #endif |
| 53 | |