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Commit | Line | Data |
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50656eec MH |
1 | #ifndef _PROBE_EVENT_H |
2 | #define _PROBE_EVENT_H | |
3 | ||
fac13fd5 | 4 | #include <stdbool.h> |
4de189fe | 5 | #include "strlist.h" |
50656eec | 6 | |
f4d7da49 MH |
7 | extern bool probe_event_dry_run; |
8 | ||
4235b045 MH |
9 | /* kprobe-tracer tracing point */ |
10 | struct kprobe_trace_point { | |
11 | char *symbol; /* Base symbol */ | |
12 | unsigned long offset; /* Offset from symbol */ | |
13 | bool retprobe; /* Return probe flag */ | |
14 | }; | |
15 | ||
16 | /* kprobe-tracer tracing argument referencing offset */ | |
17 | struct kprobe_trace_arg_ref { | |
18 | struct kprobe_trace_arg_ref *next; /* Next reference */ | |
19 | long offset; /* Offset value */ | |
20 | }; | |
21 | ||
22 | /* kprobe-tracer tracing argument */ | |
23 | struct kprobe_trace_arg { | |
24 | char *name; /* Argument name */ | |
25 | char *value; /* Base value */ | |
4984912e | 26 | char *type; /* Type name */ |
4235b045 MH |
27 | struct kprobe_trace_arg_ref *ref; /* Referencing offset */ |
28 | }; | |
29 | ||
30 | /* kprobe-tracer tracing event (point + arg) */ | |
31 | struct kprobe_trace_event { | |
32 | char *event; /* Event name */ | |
33 | char *group; /* Group name */ | |
34 | struct kprobe_trace_point point; /* Trace point */ | |
35 | int nargs; /* Number of args */ | |
36 | struct kprobe_trace_arg *args; /* Arguments */ | |
37 | }; | |
38 | ||
39 | /* Perf probe probing point */ | |
40 | struct perf_probe_point { | |
41 | char *file; /* File path */ | |
42 | char *function; /* Function name */ | |
43 | int line; /* Line number */ | |
eed05fe7 | 44 | bool retprobe; /* Return probe flag */ |
4235b045 MH |
45 | char *lazy_line; /* Lazy matching pattern */ |
46 | unsigned long offset; /* Offset from function entry */ | |
4235b045 MH |
47 | }; |
48 | ||
7df2f329 MH |
49 | /* Perf probe probing argument field chain */ |
50 | struct perf_probe_arg_field { | |
51 | struct perf_probe_arg_field *next; /* Next field */ | |
52 | char *name; /* Name of the field */ | |
53 | bool ref; /* Referencing flag */ | |
54 | }; | |
55 | ||
4235b045 MH |
56 | /* Perf probe probing argument */ |
57 | struct perf_probe_arg { | |
7df2f329 | 58 | char *name; /* Argument name */ |
48481938 | 59 | char *var; /* Variable name */ |
11a1ca35 | 60 | char *type; /* Type name */ |
7df2f329 | 61 | struct perf_probe_arg_field *field; /* Structure fields */ |
4235b045 MH |
62 | }; |
63 | ||
64 | /* Perf probe probing event (point + arg) */ | |
65 | struct perf_probe_event { | |
66 | char *event; /* Event name */ | |
67 | char *group; /* Group name */ | |
68 | struct perf_probe_point point; /* Probe point */ | |
69 | int nargs; /* Number of arguments */ | |
70 | struct perf_probe_arg *args; /* Arguments */ | |
71 | }; | |
72 | ||
73 | ||
74 | /* Line number container */ | |
75 | struct line_node { | |
76 | struct list_head list; | |
77 | unsigned int line; | |
78 | }; | |
79 | ||
80 | /* Line range */ | |
81 | struct line_range { | |
82 | char *file; /* File name */ | |
83 | char *function; /* Function name */ | |
84 | unsigned int start; /* Start line number */ | |
85 | unsigned int end; /* End line number */ | |
86 | int offset; /* Start line offset */ | |
87 | char *path; /* Real path name */ | |
88 | struct list_head line_list; /* Visible lines */ | |
89 | }; | |
90 | ||
91 | /* Command string to events */ | |
146a1439 MH |
92 | extern int parse_perf_probe_command(const char *cmd, |
93 | struct perf_probe_event *pev); | |
94 | extern int parse_kprobe_trace_command(const char *cmd, | |
95 | struct kprobe_trace_event *tev); | |
4235b045 MH |
96 | |
97 | /* Events to command string */ | |
98 | extern char *synthesize_perf_probe_command(struct perf_probe_event *pev); | |
99 | extern char *synthesize_kprobe_trace_command(struct kprobe_trace_event *tev); | |
7df2f329 MH |
100 | extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, |
101 | size_t len); | |
4235b045 MH |
102 | |
103 | /* Check the perf_probe_event needs debuginfo */ | |
104 | extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); | |
105 | ||
106 | /* Convert from kprobe_trace_event to perf_probe_event */ | |
146a1439 MH |
107 | extern int convert_to_perf_probe_event(struct kprobe_trace_event *tev, |
108 | struct perf_probe_event *pev); | |
4235b045 MH |
109 | |
110 | /* Release event contents */ | |
111 | extern void clear_perf_probe_event(struct perf_probe_event *pev); | |
112 | extern void clear_kprobe_trace_event(struct kprobe_trace_event *tev); | |
113 | ||
114 | /* Command string to line-range */ | |
146a1439 | 115 | extern int parse_line_range_desc(const char *cmd, struct line_range *lr); |
4235b045 MH |
116 | |
117 | ||
146a1439 MH |
118 | extern int add_perf_probe_events(struct perf_probe_event *pevs, int ntevs, |
119 | bool force_add); | |
120 | extern int del_perf_probe_events(struct strlist *dellist); | |
121 | extern int show_perf_probe_events(void); | |
122 | extern int show_line_range(struct line_range *lr); | |
50656eec | 123 | |
4235b045 | 124 | |
b498ce1f MH |
125 | /* Maximum index number of event-name postfix */ |
126 | #define MAX_EVENT_INDEX 1024 | |
127 | ||
50656eec | 128 | #endif /*_PROBE_EVENT_H */ |