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Commit | Line | Data |
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f0868d1e SR |
1 | #ifndef __TRACE_EVENTS_H |
2 | #define __TRACE_EVENTS_H | |
3 | ||
4 | #include "trace.h" | |
5 | ||
ae7462b4 ACM |
6 | typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter, |
7 | int flags); | |
f0868d1e SR |
8 | |
9 | struct trace_event { | |
10 | struct hlist_node node; | |
11 | int type; | |
12 | trace_print_func trace; | |
f0868d1e SR |
13 | trace_print_func raw; |
14 | trace_print_func hex; | |
15 | trace_print_func binary; | |
16 | }; | |
17 | ||
5ef841f6 SR |
18 | extern enum print_line_t |
19 | trace_print_bprintk_msg_only(struct trace_iterator *iter); | |
20 | extern enum print_line_t | |
21 | trace_print_printk_msg_only(struct trace_iterator *iter); | |
22 | ||
c37abc55 SR |
23 | extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...) |
24 | __attribute__ ((format (printf, 2, 3))); | |
f0868d1e | 25 | extern int |
769b0441 FW |
26 | trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary); |
27 | extern int | |
f0868d1e SR |
28 | seq_print_ip_sym(struct trace_seq *s, unsigned long ip, |
29 | unsigned long sym_flags); | |
30 | extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf, | |
31 | size_t cnt); | |
f285901b EGM |
32 | extern int trace_seq_puts(struct trace_seq *s, const char *str); |
33 | extern int trace_seq_putc(struct trace_seq *s, unsigned char c); | |
b14b70a6 LZ |
34 | extern int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len); |
35 | extern int trace_seq_putmem_hex(struct trace_seq *s, const void *mem, | |
36 | size_t len); | |
f285901b EGM |
37 | extern void *trace_seq_reserve(struct trace_seq *s, size_t len); |
38 | extern int trace_seq_path(struct trace_seq *s, struct path *path); | |
39 | extern int seq_print_userip_objs(const struct userstack_entry *entry, | |
40 | struct trace_seq *s, unsigned long sym_flags); | |
41 | extern int seq_print_user_ip(struct trace_seq *s, struct mm_struct *mm, | |
42 | unsigned long ip, unsigned long sym_flags); | |
f0868d1e | 43 | |
f285901b EGM |
44 | extern int trace_print_context(struct trace_iterator *iter); |
45 | extern int trace_print_lat_context(struct trace_iterator *iter); | |
c4a8e8be | 46 | |
f285901b EGM |
47 | extern struct trace_event *ftrace_find_event(int type); |
48 | extern int register_ftrace_event(struct trace_event *event); | |
49 | extern int unregister_ftrace_event(struct trace_event *event); | |
f0868d1e | 50 | |
f285901b EGM |
51 | extern enum print_line_t trace_nop_print(struct trace_iterator *iter, |
52 | int flags); | |
f633cef0 | 53 | |
f0868d1e SR |
54 | #define MAX_MEMHEX_BYTES 8 |
55 | #define HEX_CHARS (MAX_MEMHEX_BYTES*2 + 1) | |
56 | ||
f633cef0 SR |
57 | #define SEQ_PUT_FIELD_RET(s, x) \ |
58 | do { \ | |
59 | if (!trace_seq_putmem(s, &(x), sizeof(x))) \ | |
6c1a99af | 60 | return TRACE_TYPE_PARTIAL_LINE; \ |
f633cef0 SR |
61 | } while (0) |
62 | ||
63 | #define SEQ_PUT_HEX_FIELD_RET(s, x) \ | |
64 | do { \ | |
65 | BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \ | |
66 | if (!trace_seq_putmem_hex(s, &(x), sizeof(x))) \ | |
6c1a99af | 67 | return TRACE_TYPE_PARTIAL_LINE; \ |
f633cef0 SR |
68 | } while (0) |
69 | ||
f0868d1e SR |
70 | #endif |
71 |