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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 | 9 | /* kprobe-tracer tracing point */ |
0e60836b | 10 | struct probe_trace_point { |
4235b045 MH |
11 | char *symbol; /* Base symbol */ |
12 | unsigned long offset; /* Offset from symbol */ | |
13 | bool retprobe; /* Return probe flag */ | |
14 | }; | |
15 | ||
0e60836b SD |
16 | /* probe-tracer tracing argument referencing offset */ |
17 | struct probe_trace_arg_ref { | |
18 | struct probe_trace_arg_ref *next; /* Next reference */ | |
4235b045 MH |
19 | long offset; /* Offset value */ |
20 | }; | |
21 | ||
22 | /* kprobe-tracer tracing argument */ | |
0e60836b | 23 | struct probe_trace_arg { |
4235b045 MH |
24 | char *name; /* Argument name */ |
25 | char *value; /* Base value */ | |
4984912e | 26 | char *type; /* Type name */ |
0e60836b | 27 | struct probe_trace_arg_ref *ref; /* Referencing offset */ |
4235b045 MH |
28 | }; |
29 | ||
30 | /* kprobe-tracer tracing event (point + arg) */ | |
0e60836b | 31 | struct probe_trace_event { |
4235b045 MH |
32 | char *event; /* Event name */ |
33 | char *group; /* Group name */ | |
0e60836b | 34 | struct probe_trace_point point; /* Trace point */ |
4235b045 | 35 | int nargs; /* Number of args */ |
0e60836b | 36 | struct probe_trace_arg *args; /* Arguments */ |
4235b045 MH |
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 */ | |
b2a3c12b | 53 | long index; /* Array index number */ |
7df2f329 MH |
54 | bool ref; /* Referencing flag */ |
55 | }; | |
56 | ||
4235b045 MH |
57 | /* Perf probe probing argument */ |
58 | struct perf_probe_arg { | |
7df2f329 | 59 | char *name; /* Argument name */ |
48481938 | 60 | char *var; /* Variable name */ |
11a1ca35 | 61 | char *type; /* Type name */ |
7df2f329 | 62 | struct perf_probe_arg_field *field; /* Structure fields */ |
4235b045 MH |
63 | }; |
64 | ||
65 | /* Perf probe probing event (point + arg) */ | |
66 | struct perf_probe_event { | |
67 | char *event; /* Event name */ | |
68 | char *group; /* Group name */ | |
69 | struct perf_probe_point point; /* Probe point */ | |
70 | int nargs; /* Number of arguments */ | |
71 | struct perf_probe_arg *args; /* Arguments */ | |
72 | }; | |
73 | ||
74 | ||
75 | /* Line number container */ | |
76 | struct line_node { | |
77 | struct list_head list; | |
d3b63d7a | 78 | int line; |
4235b045 MH |
79 | }; |
80 | ||
81 | /* Line range */ | |
82 | struct line_range { | |
83 | char *file; /* File name */ | |
84 | char *function; /* Function name */ | |
d3b63d7a MH |
85 | int start; /* Start line number */ |
86 | int end; /* End line number */ | |
4235b045 MH |
87 | int offset; /* Start line offset */ |
88 | char *path; /* Real path name */ | |
6a330a3c | 89 | char *comp_dir; /* Compile directory */ |
4235b045 MH |
90 | struct list_head line_list; /* Visible lines */ |
91 | }; | |
92 | ||
cf6eb489 MH |
93 | /* List of variables */ |
94 | struct variable_list { | |
95 | struct probe_trace_point point; /* Actual probepoint */ | |
96 | struct strlist *vars; /* Available variables */ | |
97 | }; | |
98 | ||
4235b045 | 99 | /* Command string to events */ |
146a1439 MH |
100 | extern int parse_perf_probe_command(const char *cmd, |
101 | struct perf_probe_event *pev); | |
4235b045 MH |
102 | |
103 | /* Events to command string */ | |
104 | extern char *synthesize_perf_probe_command(struct perf_probe_event *pev); | |
0e60836b | 105 | extern char *synthesize_probe_trace_command(struct probe_trace_event *tev); |
7df2f329 MH |
106 | extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, |
107 | size_t len); | |
4235b045 MH |
108 | |
109 | /* Check the perf_probe_event needs debuginfo */ | |
110 | extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); | |
111 | ||
4235b045 MH |
112 | /* Release event contents */ |
113 | extern void clear_perf_probe_event(struct perf_probe_event *pev); | |
4235b045 MH |
114 | |
115 | /* Command string to line-range */ | |
146a1439 | 116 | extern int parse_line_range_desc(const char *cmd, struct line_range *lr); |
4235b045 | 117 | |
469b9b88 MH |
118 | /* Internal use: Return kernel/module path */ |
119 | extern const char *kernel_get_module_path(const char *module); | |
4235b045 | 120 | |
ef4a3565 | 121 | extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, |
469b9b88 MH |
122 | int max_probe_points, const char *module, |
123 | bool force_add); | |
146a1439 MH |
124 | extern int del_perf_probe_events(struct strlist *dellist); |
125 | extern int show_perf_probe_events(void); | |
469b9b88 | 126 | extern int show_line_range(struct line_range *lr, const char *module); |
cf6eb489 | 127 | extern int show_available_vars(struct perf_probe_event *pevs, int npevs, |
469b9b88 MH |
128 | int max_probe_points, const char *module, |
129 | bool externs); | |
e80711ca | 130 | extern int show_available_funcs(const char *module); |
50656eec | 131 | |
4235b045 | 132 | |
b498ce1f MH |
133 | /* Maximum index number of event-name postfix */ |
134 | #define MAX_EVENT_INDEX 1024 | |
135 | ||
50656eec | 136 | #endif /*_PROBE_EVENT_H */ |