callsite: support instruction pointer field
[babeltrace.git] / include / babeltrace / ctf-ir / metadata.h
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1#ifndef _BABELTRACE_CTF_IR_METADATA_H
2#define _BABELTRACE_CTF_IR_METADATA_H
3
4/*
5 * BabelTrace
6 *
7 * CTF Intermediate Representation Metadata Header
8 *
9 * Copyright 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20 */
21
22#include <babeltrace/types.h>
23#include <babeltrace/format.h>
24#include <babeltrace/ctf/types.h>
25#include <sys/types.h>
26#include <dirent.h>
1b1d76c0 27#include <babeltrace/uuid.h>
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28#include <assert.h>
29#include <glib.h>
30
31struct ctf_trace;
f380e105 32struct ctf_stream_declaration;
4716614a 33struct ctf_event_declaration;
25ccc85b 34struct ctf_clock;
f133896d 35struct ctf_callsite;
145b8090 36
9e88d150 37struct ctf_stream_definition {
f380e105 38 struct ctf_stream_declaration *stream_class;
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39 uint64_t real_timestamp; /* Current timestamp, in ns */
40 uint64_t cycles_timestamp; /* Current timestamp, in cycles */
c87a8eb2 41 uint64_t event_id; /* Current event ID */
5e2eb0ae 42 int has_timestamp;
661c4ce8 43 uint64_t stream_id;
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44
45 struct definition_struct *trace_packet_header;
46 struct definition_struct *stream_packet_context;
47 struct definition_struct *stream_event_header;
48 struct definition_struct *stream_event_context;
c716f83b 49 GPtrArray *events_by_id; /* Array of struct ctf_event_definition pointers indexed by id */
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50 struct definition_scope *parent_def_scope; /* for initialization */
51 int stream_definitions_created;
fca04958 52
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53 struct ctf_clock *current_clock;
54
fca04958 55 /* Event discarded information */
4c4ba021 56 uint64_t events_discarded;
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57 uint64_t prev_real_timestamp; /* Start-of-last-packet timestamp in ns */
58 uint64_t prev_real_timestamp_end; /* End-of-last-packet timestamp in ns */
59 uint64_t prev_cycles_timestamp; /* Start-of-last-packet timestamp in cycles */
60 uint64_t prev_cycles_timestamp_end; /* End-of-last-packet timestamp in cycles */
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61};
62
c716f83b 63struct ctf_event_definition {
d3ded99d 64 struct ctf_stream_definition *stream;
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65 struct definition_struct *event_context;
66 struct definition_struct *event_fields;
67};
68
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69#define CTF_CLOCK_SET_FIELD(ctf_clock, field) \
70 do { \
71 (ctf_clock)->field_mask |= CTF_CLOCK_ ## field; \
72 } while (0)
73
74#define CTF_CLOCK_FIELD_IS_SET(ctf_clock, field) \
75 ((ctf_clock)->field_mask & CTF_CLOCK_ ## field)
76
77#define CTF_CLOCK_GET_FIELD(ctf_clock, field) \
78 ({ \
79 assert(CTF_CLOCK_FIELD_IS_SET(ctf_clock, field)); \
80 (ctf_clock)->(field); \
81 })
82
83struct ctf_clock {
84 GQuark name;
85 GQuark uuid;
86 char *description;
87 uint64_t freq; /* frequency, in HZ */
88 /* precision in seconds is: precision * (1/freq) */
89 uint64_t precision;
90 /*
91 * The offset from Epoch is: offset_s + (offset * (1/freq))
92 * Coarse clock offset from Epoch (in seconds).
93 */
94 uint64_t offset_s;
95 /* Fine clock offset from Epoch, in (1/freq) units. */
96 uint64_t offset;
11ac6674 97 int absolute;
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98
99 enum { /* Fields populated mask */
100 CTF_CLOCK_name = (1U << 0),
bf94ab2b 101 CTF_CLOCK_freq = (1U << 1),
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102 } field_mask;
103};
104
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105#define CTF_CALLSITE_SET_FIELD(ctf_callsite, field) \
106 do { \
107 (ctf_callsite)->field_mask |= CTF_CALLSITE_ ## field; \
108 } while (0)
109
110#define CTF_CALLSITE_FIELD_IS_SET(ctf_callsite, field) \
111 ((ctf_callsite)->field_mask & CTF_CALLSITE_ ## field)
112
113#define CTF_CALLSITE_GET_FIELD(ctf_callsite, field) \
114 ({ \
115 assert(CTF_CALLSITE_FIELD_IS_SET(ctf_callsite, field)); \
116 (ctf_callsite)->(field); \
117 })
118
119struct ctf_callsite {
120 GQuark name; /* event name associated with callsite */
121 char *func;
122 char *file;
123 uint64_t line;
b448902b 124 uint64_t ip;
c5ff71a3 125 struct bt_list_head node;
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126 enum { /* Fields populated mask */
127 CTF_CALLSITE_name = (1U << 0),
128 CTF_CALLSITE_func = (1U << 1),
129 CTF_CALLSITE_file = (1U << 2),
130 CTF_CALLSITE_line = (1U << 3),
b448902b 131 CTF_CALLSITE_ip = (1U << 4),
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132 } field_mask;
133};
134
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135struct ctf_callsite_dups {
136 struct bt_list_head head;
137};
138
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139#define CTF_TRACE_SET_FIELD(ctf_trace, field) \
140 do { \
141 (ctf_trace)->field_mask |= CTF_TRACE_ ## field; \
142 } while (0)
143
144#define CTF_TRACE_FIELD_IS_SET(ctf_trace, field) \
145 ((ctf_trace)->field_mask & CTF_TRACE_ ## field)
146
147#define CTF_TRACE_GET_FIELD(ctf_trace, field) \
148 ({ \
149 assert(CTF_TRACE_FIELD_IS_SET(ctf_trace, field)); \
150 (ctf_trace)->(field); \
151 })
152
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153#define TRACER_ENV_LEN 128
154
155/* tracer-specific environment */
156struct ctf_tracer_env {
157 int vpid; /* negative if unset */
158
159 /* All strings below: "" if unset. */
160 char procname[TRACER_ENV_LEN];
32cfb8ad 161 char hostname[TRACER_ENV_LEN];
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162 char domain[TRACER_ENV_LEN];
163 char sysname[TRACER_ENV_LEN];
164 char release[TRACER_ENV_LEN];
165 char version[TRACER_ENV_LEN];
166};
167
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168struct ctf_trace {
169 struct trace_descriptor parent;
170 /* root scope */
171 struct declaration_scope *root_declaration_scope;
172
173 struct declaration_scope *declaration_scope;
174 /* innermost definition scope. to be used as parent of stream. */
175 struct definition_scope *definition_scope;
f380e105 176 GPtrArray *streams; /* Array of struct ctf_stream_declaration pointers */
9e88d150 177 struct ctf_stream_definition *metadata;
50cb9c56 178 GHashTable *clocks;
f133896d 179 GHashTable *callsites;
25ccc85b 180 struct ctf_clock *single_clock; /* currently supports only one clock */
fa709ab2 181 struct trace_collection *collection; /* Container of this trace */
e003ab50 182 GPtrArray *event_declarations; /* Array of all the struct bt_ctf_event_decl */
145b8090 183
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184 struct declaration_struct *packet_header_decl;
185
186 uint64_t major;
187 uint64_t minor;
ce9cc1bc 188 unsigned char uuid[BABELTRACE_UUID_LEN];
145b8090 189 int byte_order; /* trace BYTE_ORDER. 0 if unset. */
cadd09e9 190 struct ctf_tracer_env env;
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191
192 enum { /* Fields populated mask */
193 CTF_TRACE_major = (1U << 0),
194 CTF_TRACE_minor = (1U << 1),
195 CTF_TRACE_uuid = (1U << 2),
196 CTF_TRACE_byte_order = (1U << 3),
197 CTF_TRACE_packet_header = (1U << 4),
198 } field_mask;
199
200 /* Information about trace backing directory and files */
201 DIR *dir;
202 int dirfd;
203 int flags; /* open flags */
204
205 /* Heap of streams, ordered to always get the lowest timestam */
206 struct ptr_heap *stream_heap;
82662ad4 207 char path[PATH_MAX];
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208
209 struct bt_context *ctx;
210 struct bt_trace_handle *handle;
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211};
212
213#define CTF_STREAM_SET_FIELD(ctf_stream, field) \
214 do { \
215 (ctf_stream)->field_mask |= CTF_STREAM_ ## field; \
216 } while (0)
217
218#define CTF_STREAM_FIELD_IS_SET(ctf_stream, field) \
219 ((ctf_stream)->field_mask & CTF_STREAM_ ## field)
220
221#define CTF_STREAM_GET_FIELD(ctf_stream, field) \
222 ({ \
223 assert(CTF_STREAM_FIELD_IS_SET(ctf_stream, field)); \
224 (ctf_stream)->(field); \
225 })
226
f380e105 227struct ctf_stream_declaration {
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228 struct ctf_trace *trace;
229 /* parent is lexical scope conaining the stream scope */
230 struct declaration_scope *declaration_scope;
231 /* innermost definition scope. to be used as parent of event. */
232 struct definition_scope *definition_scope;
4716614a 233 GPtrArray *events_by_id; /* Array of struct ctf_event_declaration pointers indexed by id */
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234 GHashTable *event_quark_to_id; /* GQuark to numeric id */
235
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236 struct declaration_struct *packet_context_decl;
237 struct declaration_struct *event_header_decl;
238 struct declaration_struct *event_context_decl;
239
240 uint64_t stream_id;
241
242 enum { /* Fields populated mask */
243 CTF_STREAM_stream_id = (1 << 0),
244 } field_mask;
245
9e88d150 246 GPtrArray *streams; /* Array of struct ctf_stream_definition pointers */
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247};
248
249#define CTF_EVENT_SET_FIELD(ctf_event, field) \
250 do { \
251 (ctf_event)->field_mask |= CTF_EVENT_ ## field; \
252 } while (0)
253
254#define CTF_EVENT_FIELD_IS_SET(ctf_event, field) \
255 ((ctf_event)->field_mask & CTF_EVENT_ ## field)
256
257#define CTF_EVENT_GET_FIELD(ctf_event, field) \
258 ({ \
259 assert(CTF_EVENT_FIELD_IS_SET(ctf_event, field)); \
260 (ctf_event)->(field); \
261 })
262
4716614a 263struct ctf_event_declaration {
145b8090 264 /* stream mapped by stream_id */
f380e105 265 struct ctf_stream_declaration *stream;
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266 /* parent is lexical scope conaining the event scope */
267 struct declaration_scope *declaration_scope;
268
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269 struct declaration_struct *context_decl;
270 struct declaration_struct *fields_decl;
271
272 GQuark name;
273 uint64_t id; /* Numeric identifier within the stream */
274 uint64_t stream_id;
306eeaa6 275 int loglevel;
f6714e20 276 GQuark model_emf_uri;
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277
278 enum { /* Fields populated mask */
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279 CTF_EVENT_name = (1 << 0),
280 CTF_EVENT_id = (1 << 1),
281 CTF_EVENT_stream_id = (1 << 2),
306eeaa6 282 CTF_EVENT_loglevel = (1 << 4),
f6714e20 283 CTF_EVENT_model_emf_uri = (1 << 5),
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284 } field_mask;
285};
286
287#endif /* _BABELTRACE_CTF_IR_METADATA_H */
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