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> |
5a62257a | 5 | #include "intlist.h" |
4de189fe | 6 | #include "strlist.h" |
bd09d7b5 | 7 | #include "strfilter.h" |
50656eec | 8 | |
f4d7da49 MH |
9 | extern bool probe_event_dry_run; |
10 | ||
225466f1 | 11 | /* kprobe-tracer and uprobe-tracer tracing point */ |
0e60836b | 12 | struct probe_trace_point { |
4235b045 | 13 | char *symbol; /* Base symbol */ |
190b57fc | 14 | char *module; /* Module name */ |
4235b045 | 15 | unsigned long offset; /* Offset from symbol */ |
fb7345bb | 16 | unsigned long address; /* Actual address of the trace point */ |
4235b045 MH |
17 | bool retprobe; /* Return probe flag */ |
18 | }; | |
19 | ||
0e60836b SD |
20 | /* probe-tracer tracing argument referencing offset */ |
21 | struct probe_trace_arg_ref { | |
22 | struct probe_trace_arg_ref *next; /* Next reference */ | |
4235b045 MH |
23 | long offset; /* Offset value */ |
24 | }; | |
25 | ||
225466f1 | 26 | /* kprobe-tracer and uprobe-tracer tracing argument */ |
0e60836b | 27 | struct probe_trace_arg { |
4235b045 MH |
28 | char *name; /* Argument name */ |
29 | char *value; /* Base value */ | |
4984912e | 30 | char *type; /* Type name */ |
0e60836b | 31 | struct probe_trace_arg_ref *ref; /* Referencing offset */ |
4235b045 MH |
32 | }; |
33 | ||
225466f1 | 34 | /* kprobe-tracer and uprobe-tracer tracing event (point + arg) */ |
0e60836b | 35 | struct probe_trace_event { |
4235b045 MH |
36 | char *event; /* Event name */ |
37 | char *group; /* Group name */ | |
0e60836b | 38 | struct probe_trace_point point; /* Trace point */ |
4235b045 | 39 | int nargs; /* Number of args */ |
225466f1 | 40 | bool uprobes; /* uprobes only */ |
0e60836b | 41 | struct probe_trace_arg *args; /* Arguments */ |
4235b045 MH |
42 | }; |
43 | ||
44 | /* Perf probe probing point */ | |
45 | struct perf_probe_point { | |
46 | char *file; /* File path */ | |
47 | char *function; /* Function name */ | |
48 | int line; /* Line number */ | |
eed05fe7 | 49 | bool retprobe; /* Return probe flag */ |
4235b045 MH |
50 | char *lazy_line; /* Lazy matching pattern */ |
51 | unsigned long offset; /* Offset from function entry */ | |
4235b045 MH |
52 | }; |
53 | ||
7df2f329 MH |
54 | /* Perf probe probing argument field chain */ |
55 | struct perf_probe_arg_field { | |
56 | struct perf_probe_arg_field *next; /* Next field */ | |
57 | char *name; /* Name of the field */ | |
b2a3c12b | 58 | long index; /* Array index number */ |
7df2f329 MH |
59 | bool ref; /* Referencing flag */ |
60 | }; | |
61 | ||
4235b045 MH |
62 | /* Perf probe probing argument */ |
63 | struct perf_probe_arg { | |
7df2f329 | 64 | char *name; /* Argument name */ |
48481938 | 65 | char *var; /* Variable name */ |
11a1ca35 | 66 | char *type; /* Type name */ |
7df2f329 | 67 | struct perf_probe_arg_field *field; /* Structure fields */ |
4235b045 MH |
68 | }; |
69 | ||
70 | /* Perf probe probing event (point + arg) */ | |
71 | struct perf_probe_event { | |
72 | char *event; /* Event name */ | |
73 | char *group; /* Group name */ | |
74 | struct perf_probe_point point; /* Probe point */ | |
75 | int nargs; /* Number of arguments */ | |
225466f1 | 76 | bool uprobes; |
4235b045 MH |
77 | struct perf_probe_arg *args; /* Arguments */ |
78 | }; | |
79 | ||
4235b045 MH |
80 | /* Line range */ |
81 | struct line_range { | |
82 | char *file; /* File name */ | |
83 | char *function; /* Function name */ | |
d3b63d7a MH |
84 | int start; /* Start line number */ |
85 | int end; /* End line number */ | |
4235b045 MH |
86 | int offset; /* Start line offset */ |
87 | char *path; /* Real path name */ | |
6a330a3c | 88 | char *comp_dir; /* Compile directory */ |
5a62257a | 89 | struct intlist *line_list; /* Visible lines */ |
4235b045 MH |
90 | }; |
91 | ||
cf6eb489 MH |
92 | /* List of variables */ |
93 | struct variable_list { | |
94 | struct probe_trace_point point; /* Actual probepoint */ | |
95 | struct strlist *vars; /* Available variables */ | |
96 | }; | |
97 | ||
4235b045 | 98 | /* Command string to events */ |
146a1439 MH |
99 | extern int parse_perf_probe_command(const char *cmd, |
100 | struct perf_probe_event *pev); | |
4235b045 MH |
101 | |
102 | /* Events to command string */ | |
103 | extern char *synthesize_perf_probe_command(struct perf_probe_event *pev); | |
0e60836b | 104 | extern char *synthesize_probe_trace_command(struct probe_trace_event *tev); |
7df2f329 MH |
105 | extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf, |
106 | size_t len); | |
4235b045 MH |
107 | |
108 | /* Check the perf_probe_event needs debuginfo */ | |
109 | extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); | |
110 | ||
4235b045 MH |
111 | /* Release event contents */ |
112 | extern void clear_perf_probe_event(struct perf_probe_event *pev); | |
4235b045 MH |
113 | |
114 | /* Command string to line-range */ | |
146a1439 | 115 | extern int parse_line_range_desc(const char *cmd, struct line_range *lr); |
4235b045 | 116 | |
e53b00d3 MH |
117 | /* Release line range members */ |
118 | extern void line_range__clear(struct line_range *lr); | |
119 | ||
120 | /* Initialize line range */ | |
5a62257a | 121 | extern int line_range__init(struct line_range *lr); |
e53b00d3 | 122 | |
469b9b88 MH |
123 | /* Internal use: Return kernel/module path */ |
124 | extern const char *kernel_get_module_path(const char *module); | |
4235b045 | 125 | |
ef4a3565 | 126 | extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, |
469b9b88 MH |
127 | int max_probe_points, const char *module, |
128 | bool force_add); | |
146a1439 MH |
129 | extern int del_perf_probe_events(struct strlist *dellist); |
130 | extern int show_perf_probe_events(void); | |
469b9b88 | 131 | extern int show_line_range(struct line_range *lr, const char *module); |
cf6eb489 | 132 | extern int show_available_vars(struct perf_probe_event *pevs, int npevs, |
469b9b88 | 133 | int max_probe_points, const char *module, |
bd09d7b5 | 134 | struct strfilter *filter, bool externs); |
225466f1 SD |
135 | extern int show_available_funcs(const char *module, struct strfilter *filter, |
136 | bool user); | |
4235b045 | 137 | |
b498ce1f MH |
138 | /* Maximum index number of event-name postfix */ |
139 | #define MAX_EVENT_INDEX 1024 | |
140 | ||
50656eec | 141 | #endif /*_PROBE_EVENT_H */ |