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1 | // SPDX-License-Identifier: GPL-2.0 |
2 | #ifndef __TRACE_SYNTH_H | |
3 | #define __TRACE_SYNTH_H | |
4 | ||
5 | #include "trace_dynevent.h" | |
6 | ||
7 | #define SYNTH_SYSTEM "synthetic" | |
0be083ce | 8 | #define SYNTH_FIELDS_MAX 64 |
726721a5 | 9 | |
4a4a56b4 | 10 | #define STR_VAR_LEN_MAX MAX_FILTER_STR_VAL /* must be multiple of sizeof(u64) */ |
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11 | |
12 | struct synth_field { | |
13 | char *type; | |
14 | char *name; | |
15 | size_t size; | |
16 | unsigned int offset; | |
3b13911a | 17 | unsigned int field_pos; |
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18 | bool is_signed; |
19 | bool is_string; | |
bd82631d | 20 | bool is_dynamic; |
00cf3d67 | 21 | bool is_stack; |
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22 | }; |
23 | ||
24 | struct synth_event { | |
25 | struct dyn_event devent; | |
26 | int ref; | |
27 | char *name; | |
28 | struct synth_field **fields; | |
29 | unsigned int n_fields; | |
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30 | struct synth_field **dynamic_fields; |
31 | unsigned int n_dynamic_fields; | |
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32 | unsigned int n_u64; |
33 | struct trace_event_class class; | |
34 | struct trace_event_call call; | |
35 | struct tracepoint *tp; | |
36 | struct module *mod; | |
37 | }; | |
38 | ||
39 | extern struct synth_event *find_synth_event(const char *name); | |
40 | ||
41 | #endif /* __TRACE_SYNTH_H */ |