1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 #ifndef __TRACE_SYNTH_H 2 #ifndef __TRACE_SYNTH_H
3 #define __TRACE_SYNTH_H 3 #define __TRACE_SYNTH_H
4 4
5 #include "trace_dynevent.h" 5 #include "trace_dynevent.h"
6 6
7 #define SYNTH_SYSTEM "synthetic" 7 #define SYNTH_SYSTEM "synthetic"
8 #define SYNTH_FIELDS_MAX 64 !! 8 #define SYNTH_FIELDS_MAX 32
9 9
10 #define STR_VAR_LEN_MAX MAX_FILTER_STR !! 10 #define STR_VAR_LEN_MAX 32 /* must be multiple of sizeof(u64) */
11 11
12 struct synth_field { 12 struct synth_field {
13 char *type; 13 char *type;
14 char *name; 14 char *name;
15 size_t size; 15 size_t size;
16 unsigned int offset; 16 unsigned int offset;
17 unsigned int field_pos; <<
18 bool is_signed; 17 bool is_signed;
19 bool is_string; 18 bool is_string;
20 bool is_dynamic; <<
21 bool is_stack; <<
22 }; 19 };
23 20
24 struct synth_event { 21 struct synth_event {
25 struct dyn_event 22 struct dyn_event devent;
26 int 23 int ref;
27 char 24 char *name;
28 struct synth_field 25 struct synth_field **fields;
29 unsigned int 26 unsigned int n_fields;
30 struct synth_field <<
31 unsigned int <<
32 unsigned int 27 unsigned int n_u64;
33 struct trace_event_class 28 struct trace_event_class class;
34 struct trace_event_call 29 struct trace_event_call call;
35 struct tracepoint 30 struct tracepoint *tp;
36 struct module 31 struct module *mod;
37 }; 32 };
38 33
39 extern struct synth_event *find_synth_event(co 34 extern struct synth_event *find_synth_event(const char *name);
40 35
41 #endif /* __TRACE_SYNTH_H */ 36 #endif /* __TRACE_SYNTH_H */
42 37
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