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Commit | Line | Data |
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f0868d1e SR |
1 | #ifndef __TRACE_EVENTS_H |
2 | #define __TRACE_EVENTS_H | |
3 | ||
9504504c | 4 | #include <linux/trace_seq.h> |
f0868d1e SR |
5 | #include "trace.h" |
6 | ||
5ef841f6 SR |
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 | ||
769b0441 | 12 | extern int |
f0868d1e SR |
13 | seq_print_ip_sym(struct trace_seq *s, unsigned long ip, |
14 | unsigned long sym_flags); | |
f285901b EGM |
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); | |
f0868d1e | 19 | |
f285901b EGM |
20 | extern int trace_print_context(struct trace_iterator *iter); |
21 | extern int trace_print_lat_context(struct trace_iterator *iter); | |
c4a8e8be | 22 | |
4f535968 LJ |
23 | extern void trace_event_read_lock(void); |
24 | extern void trace_event_read_unlock(void); | |
f285901b | 25 | extern struct trace_event *ftrace_find_event(int type); |
f0868d1e | 26 | |
f285901b EGM |
27 | extern enum print_line_t trace_nop_print(struct trace_iterator *iter, |
28 | int flags); | |
f81c972d SR |
29 | extern int |
30 | trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry); | |
f633cef0 | 31 | |
110bf2b7 SR |
32 | /* used by module unregistering */ |
33 | extern int __unregister_ftrace_event(struct trace_event *event); | |
34 | extern struct rw_semaphore trace_event_mutex; | |
35 | ||
f0868d1e SR |
36 | #define MAX_MEMHEX_BYTES 8 |
37 | #define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1) | |
38 | ||
f633cef0 SR |
39 | #define SEQ_PUT_FIELD_RET(s, x) \ |
40 | do { \ | |
41 | if (!trace_seq_putmem(s, &(x), sizeof(x))) \ | |
6c1a99af | 42 | return TRACE_TYPE_PARTIAL_LINE; \ |
f633cef0 SR |
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))) \ | |
6c1a99af | 49 | return TRACE_TYPE_PARTIAL_LINE; \ |
f633cef0 SR |
50 | } while (0) |
51 | ||
f0868d1e SR |
52 | #endif |
53 |