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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
50656eec MH |
2 | #ifndef _PROBE_EVENT_H |
3 | #define _PROBE_EVENT_H | |
4 | ||
afaed6d3 | 5 | #include <linux/compiler.h> |
fac13fd5 | 6 | #include <stdbool.h> |
5a62257a | 7 | #include "intlist.h" |
544abd44 | 8 | #include "namespaces.h" |
50656eec | 9 | |
ddb2f58f MH |
10 | /* Probe related configurations */ |
11 | struct probe_conf { | |
12 | bool show_ext_vars; | |
349e8d26 | 13 | bool show_location_range; |
ddb2f58f | 14 | bool force_add; |
6cfd1f68 | 15 | bool no_inlines; |
2fd457a3 | 16 | bool cache; |
ddb2f58f MH |
17 | int max_probes; |
18 | }; | |
19 | extern struct probe_conf probe_conf; | |
f4d7da49 MH |
20 | extern bool probe_event_dry_run; |
21 | ||
d6be1671 WN |
22 | struct symbol; |
23 | ||
225466f1 | 24 | /* kprobe-tracer and uprobe-tracer tracing point */ |
0e60836b | 25 | struct probe_trace_point { |
4c859351 | 26 | char *realname; /* function real name (if needed) */ |
4235b045 | 27 | char *symbol; /* Base symbol */ |
190b57fc | 28 | char *module; /* Module name */ |
4235b045 | 29 | unsigned long offset; /* Offset from symbol */ |
fb7345bb | 30 | unsigned long address; /* Actual address of the trace point */ |
4235b045 MH |
31 | bool retprobe; /* Return probe flag */ |
32 | }; | |
33 | ||
0e60836b SD |
34 | /* probe-tracer tracing argument referencing offset */ |
35 | struct probe_trace_arg_ref { | |
36 | struct probe_trace_arg_ref *next; /* Next reference */ | |
4235b045 MH |
37 | long offset; /* Offset value */ |
38 | }; | |
39 | ||
225466f1 | 40 | /* kprobe-tracer and uprobe-tracer tracing argument */ |
0e60836b | 41 | struct probe_trace_arg { |
4235b045 MH |
42 | char *name; /* Argument name */ |
43 | char *value; /* Base value */ | |
4984912e | 44 | char *type; /* Type name */ |
0e60836b | 45 | struct probe_trace_arg_ref *ref; /* Referencing offset */ |
4235b045 MH |
46 | }; |
47 | ||
225466f1 | 48 | /* kprobe-tracer and uprobe-tracer tracing event (point + arg) */ |
0e60836b | 49 | struct probe_trace_event { |
4235b045 MH |
50 | char *event; /* Event name */ |
51 | char *group; /* Group name */ | |
0e60836b | 52 | struct probe_trace_point point; /* Trace point */ |
4235b045 | 53 | int nargs; /* Number of args */ |
225466f1 | 54 | bool uprobes; /* uprobes only */ |
0e60836b | 55 | struct probe_trace_arg *args; /* Arguments */ |
4235b045 MH |
56 | }; |
57 | ||
58 | /* Perf probe probing point */ | |
59 | struct perf_probe_point { | |
60 | char *file; /* File path */ | |
61 | char *function; /* Function name */ | |
62 | int line; /* Line number */ | |
eed05fe7 | 63 | bool retprobe; /* Return probe flag */ |
4235b045 MH |
64 | char *lazy_line; /* Lazy matching pattern */ |
65 | unsigned long offset; /* Offset from function entry */ | |
da15bd9d | 66 | unsigned long abs_address; /* Absolute address of the point */ |
4235b045 MH |
67 | }; |
68 | ||
7df2f329 MH |
69 | /* Perf probe probing argument field chain */ |
70 | struct perf_probe_arg_field { | |
71 | struct perf_probe_arg_field *next; /* Next field */ | |
72 | char *name; /* Name of the field */ | |
b2a3c12b | 73 | long index; /* Array index number */ |
7df2f329 MH |
74 | bool ref; /* Referencing flag */ |
75 | }; | |
76 | ||
4235b045 MH |
77 | /* Perf probe probing argument */ |
78 | struct perf_probe_arg { | |
7df2f329 | 79 | char *name; /* Argument name */ |
48481938 | 80 | char *var; /* Variable name */ |
11a1ca35 | 81 | char *type; /* Type name */ |
7df2f329 | 82 | struct perf_probe_arg_field *field; /* Structure fields */ |
4235b045 MH |
83 | }; |
84 | ||
85 | /* Perf probe probing event (point + arg) */ | |
86 | struct perf_probe_event { | |
87 | char *event; /* Event name */ | |
88 | char *group; /* Group name */ | |
89 | struct perf_probe_point point; /* Probe point */ | |
90 | int nargs; /* Number of arguments */ | |
36a009fe | 91 | bool sdt; /* SDT/cached event flag */ |
7afb3fab MH |
92 | bool uprobes; /* Uprobe event flag */ |
93 | char *target; /* Target binary */ | |
4235b045 | 94 | struct perf_probe_arg *args; /* Arguments */ |
12fae5ef WN |
95 | struct probe_trace_event *tevs; |
96 | int ntevs; | |
544abd44 | 97 | struct nsinfo *nsi; /* Target namespace */ |
4235b045 MH |
98 | }; |
99 | ||
4235b045 MH |
100 | /* Line range */ |
101 | struct line_range { | |
102 | char *file; /* File name */ | |
103 | char *function; /* Function name */ | |
d3b63d7a MH |
104 | int start; /* Start line number */ |
105 | int end; /* End line number */ | |
4235b045 MH |
106 | int offset; /* Start line offset */ |
107 | char *path; /* Real path name */ | |
6a330a3c | 108 | char *comp_dir; /* Compile directory */ |
5a62257a | 109 | struct intlist *line_list; /* Visible lines */ |
4235b045 MH |
110 | }; |
111 | ||
8ec20b17 ACM |
112 | struct strlist; |
113 | ||
cf6eb489 MH |
114 | /* List of variables */ |
115 | struct variable_list { | |
116 | struct probe_trace_point point; /* Actual probepoint */ | |
117 | struct strlist *vars; /* Available variables */ | |
118 | }; | |
119 | ||
5a023b57 | 120 | struct map; |
9bae1e8c NK |
121 | int init_probe_symbol_maps(bool user_only); |
122 | void exit_probe_symbol_maps(void); | |
5a023b57 | 123 | |
4235b045 | 124 | /* Command string to events */ |
3938bad4 ACM |
125 | int parse_perf_probe_command(const char *cmd, struct perf_probe_event *pev); |
126 | int parse_probe_trace_command(const char *cmd, struct probe_trace_event *tev); | |
4235b045 MH |
127 | |
128 | /* Events to command string */ | |
3938bad4 ACM |
129 | char *synthesize_perf_probe_command(struct perf_probe_event *pev); |
130 | char *synthesize_probe_trace_command(struct probe_trace_event *tev); | |
909b0360 | 131 | char *synthesize_perf_probe_arg(struct perf_probe_arg *pa); |
c4ff4920 | 132 | char *synthesize_perf_probe_point(struct perf_probe_point *pp); |
4235b045 | 133 | |
0542bb9c MH |
134 | int perf_probe_event__copy(struct perf_probe_event *dst, |
135 | struct perf_probe_event *src); | |
136 | ||
b3f33f93 RB |
137 | bool perf_probe_with_var(struct perf_probe_event *pev); |
138 | ||
4235b045 | 139 | /* Check the perf_probe_event needs debuginfo */ |
3938bad4 | 140 | bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); |
4235b045 | 141 | |
4235b045 | 142 | /* Release event contents */ |
3938bad4 ACM |
143 | void clear_perf_probe_event(struct perf_probe_event *pev); |
144 | void clear_probe_trace_event(struct probe_trace_event *tev); | |
4235b045 MH |
145 | |
146 | /* Command string to line-range */ | |
3938bad4 | 147 | int parse_line_range_desc(const char *cmd, struct line_range *lr); |
4235b045 | 148 | |
e53b00d3 | 149 | /* Release line range members */ |
3938bad4 | 150 | void line_range__clear(struct line_range *lr); |
e53b00d3 MH |
151 | |
152 | /* Initialize line range */ | |
3938bad4 ACM |
153 | int line_range__init(struct line_range *lr); |
154 | ||
155 | int add_perf_probe_events(struct perf_probe_event *pevs, int npevs); | |
156 | int convert_perf_probe_events(struct perf_probe_event *pevs, int npevs); | |
157 | int apply_perf_probe_events(struct perf_probe_event *pevs, int npevs); | |
1c20b1d1 | 158 | int show_probe_trace_events(struct perf_probe_event *pevs, int npevs); |
3938bad4 | 159 | void cleanup_perf_probe_events(struct perf_probe_event *pevs, int npevs); |
8ec20b17 ACM |
160 | |
161 | struct strfilter; | |
162 | ||
3938bad4 ACM |
163 | int del_perf_probe_events(struct strfilter *filter); |
164 | ||
165 | int show_perf_probe_event(const char *group, const char *event, | |
166 | struct perf_probe_event *pev, | |
167 | const char *module, bool use_stdout); | |
168 | int show_perf_probe_events(struct strfilter *filter); | |
544abd44 KJ |
169 | int show_line_range(struct line_range *lr, const char *module, |
170 | struct nsinfo *nsi, bool user); | |
3938bad4 ACM |
171 | int show_available_vars(struct perf_probe_event *pevs, int npevs, |
172 | struct strfilter *filter); | |
544abd44 KJ |
173 | int show_available_funcs(const char *module, struct nsinfo *nsi, |
174 | struct strfilter *filter, bool user); | |
7b6ff0bd | 175 | void arch__fix_tev_from_maps(struct perf_probe_event *pev, |
0b3c2264 NR |
176 | struct probe_trace_event *tev, struct map *map, |
177 | struct symbol *sym); | |
4235b045 | 178 | |
92f6c72e | 179 | /* If there is no space to write, returns -E2BIG. */ |
afaed6d3 | 180 | int e_snprintf(char *str, size_t size, const char *format, ...) __printf(3, 4); |
92f6c72e | 181 | |
b498ce1f MH |
182 | /* Maximum index number of event-name postfix */ |
183 | #define MAX_EVENT_INDEX 1024 | |
184 | ||
da15bd9d WN |
185 | int copy_to_probe_trace_arg(struct probe_trace_arg *tvar, |
186 | struct perf_probe_arg *pvar); | |
187 | ||
544abd44 | 188 | struct map *get_target_map(const char *target, struct nsinfo *nsi, bool user); |
99e608b5 RB |
189 | |
190 | void arch__post_process_probe_trace_events(struct perf_probe_event *pev, | |
191 | int ntevs); | |
192 | ||
50656eec | 193 | #endif /*_PROBE_EVENT_H */ |