forked from flutter/engine
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathtrace_event.cc
318 lines (274 loc) · 12.7 KB
/
trace_event.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/fml/trace_event.h"
#include <algorithm>
#include <atomic>
#include <utility>
#include "flutter/fml/build_config.h"
#include "flutter/fml/logging.h"
#if (FLUTTER_RELEASE && !defined(OS_FUCHSIA))
#define TIMELINE_ENABLED 0
#else
#define TIMELINE_ENABLED 1
#endif
namespace fml {
namespace tracing {
#if TIMELINE_ENABLED
size_t TraceNonce() {
static std::atomic_size_t gLastItem;
return ++gLastItem;
}
void TraceTimelineEvent(TraceArg category_group,
TraceArg name,
TraceIDArg identifier,
Dart_Timeline_Event_Type type,
const std::vector<const char*>& c_names,
const std::vector<std::string>& values) {
const auto argument_count = std::min(c_names.size(), values.size());
std::vector<const char*> c_values;
c_values.resize(argument_count, nullptr);
for (size_t i = 0; i < argument_count; i++) {
c_values[i] = values[i].c_str();
}
Dart_TimelineEvent(
name, // label
Dart_TimelineGetMicros(), // timestamp0
identifier, // timestamp1_or_async_id
type, // event type
argument_count, // argument_count
const_cast<const char**>(c_names.data()), // argument_names
c_values.data() // argument_values
);
}
void TraceEvent0(TraceArg category_group, TraceArg name) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
0, // timestamp1_or_async_id
Dart_Timeline_Event_Begin, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEvent1(TraceArg category_group,
TraceArg name,
TraceArg arg1_name,
TraceArg arg1_val) {
const char* arg_names[] = {arg1_name};
const char* arg_values[] = {arg1_val};
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
0, // timestamp1_or_async_id
Dart_Timeline_Event_Begin, // event type
1, // argument_count
arg_names, // argument_names
arg_values // argument_values
);
}
void TraceEvent2(TraceArg category_group,
TraceArg name,
TraceArg arg1_name,
TraceArg arg1_val,
TraceArg arg2_name,
TraceArg arg2_val) {
const char* arg_names[] = {arg1_name, arg2_name};
const char* arg_values[] = {arg1_val, arg2_val};
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
0, // timestamp1_or_async_id
Dart_Timeline_Event_Begin, // event type
2, // argument_count
arg_names, // argument_names
arg_values // argument_values
);
}
void TraceEventEnd(TraceArg name) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
0, // timestamp1_or_async_id
Dart_Timeline_Event_End, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEventAsyncComplete(TraceArg category_group,
TraceArg name,
TimePoint begin,
TimePoint end) {
auto identifier = TraceNonce();
if (begin > end) {
std::swap(begin, end);
}
Dart_TimelineEvent(name, // label
begin.ToEpochDelta().ToMicroseconds(), // timestamp0
identifier, // timestamp1_or_async_id
Dart_Timeline_Event_Async_Begin, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
Dart_TimelineEvent(name, // label
end.ToEpochDelta().ToMicroseconds(), // timestamp0
identifier, // timestamp1_or_async_id
Dart_Timeline_Event_Async_End, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEventAsyncBegin0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
id, // timestamp1_or_async_id
Dart_Timeline_Event_Async_Begin, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEventAsyncEnd0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
id, // timestamp1_or_async_id
Dart_Timeline_Event_Async_End, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEventAsyncBegin1(TraceArg category_group,
TraceArg name,
TraceIDArg id,
TraceArg arg1_name,
TraceArg arg1_val) {
const char* arg_names[] = {arg1_name};
const char* arg_values[] = {arg1_val};
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
id, // timestamp1_or_async_id
Dart_Timeline_Event_Async_Begin, // event type
1, // argument_count
arg_names, // argument_names
arg_values // argument_values
);
}
void TraceEventAsyncEnd1(TraceArg category_group,
TraceArg name,
TraceIDArg id,
TraceArg arg1_name,
TraceArg arg1_val) {
const char* arg_names[] = {arg1_name};
const char* arg_values[] = {arg1_val};
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
id, // timestamp1_or_async_id
Dart_Timeline_Event_Async_End, // event type
1, // argument_count
arg_names, // argument_names
arg_values // argument_values
);
}
void TraceEventInstant0(TraceArg category_group, TraceArg name) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
0, // timestamp1_or_async_id
Dart_Timeline_Event_Instant, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEventFlowBegin0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
id, // timestamp1_or_async_id
Dart_Timeline_Event_Flow_Begin, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEventFlowStep0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
id, // timestamp1_or_async_id
Dart_Timeline_Event_Flow_Step, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
void TraceEventFlowEnd0(TraceArg category_group, TraceArg name, TraceIDArg id) {
Dart_TimelineEvent(name, // label
Dart_TimelineGetMicros(), // timestamp0
id, // timestamp1_or_async_id
Dart_Timeline_Event_Flow_End, // event type
0, // argument_count
nullptr, // argument_names
nullptr // argument_values
);
}
#else // TIMELINE_ENABLED
size_t TraceNonce() {
return 0;
}
void TraceTimelineEvent(TraceArg category_group,
TraceArg name,
TraceIDArg identifier,
Dart_Timeline_Event_Type type,
const std::vector<const char*>& c_names,
const std::vector<std::string>& values) {}
void TraceEvent0(TraceArg category_group, TraceArg name) {}
void TraceEvent1(TraceArg category_group,
TraceArg name,
TraceArg arg1_name,
TraceArg arg1_val) {}
void TraceEvent2(TraceArg category_group,
TraceArg name,
TraceArg arg1_name,
TraceArg arg1_val,
TraceArg arg2_name,
TraceArg arg2_val) {}
void TraceEventEnd(TraceArg name) {}
void TraceEventAsyncComplete(TraceArg category_group,
TraceArg name,
TimePoint begin,
TimePoint end) {}
void TraceEventAsyncBegin0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {}
void TraceEventAsyncEnd0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {}
void TraceEventAsyncBegin1(TraceArg category_group,
TraceArg name,
TraceIDArg id,
TraceArg arg1_name,
TraceArg arg1_val) {}
void TraceEventAsyncEnd1(TraceArg category_group,
TraceArg name,
TraceIDArg id,
TraceArg arg1_name,
TraceArg arg1_val) {}
void TraceEventInstant0(TraceArg category_group, TraceArg name) {}
void TraceEventFlowBegin0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {}
void TraceEventFlowStep0(TraceArg category_group,
TraceArg name,
TraceIDArg id) {}
void TraceEventFlowEnd0(TraceArg category_group, TraceArg name, TraceIDArg id) {
}
#endif // TIMELINE_ENABLED
} // namespace tracing
} // namespace fml