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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This header file defines the set of trace_event macros without specifying | 5 // This header file defines the set of trace_event macros without specifying |
6 // how the events actually get collected and stored. If you need to expose trace | 6 // how the events actually get collected and stored. If you need to expose trace |
7 // events to some other universe, you can copy-and-paste this file as well as | 7 // events to some other universe, you can copy-and-paste this file as well as |
8 // trace_event.h, modifying the macros contained there as necessary for the | 8 // trace_event.h, modifying the macros contained there as necessary for the |
9 // target platform. The end result is that multiple libraries can funnel events | 9 // target platform. The end result is that multiple libraries can funnel events |
10 // through to a shared trace event collector. | 10 // through to a shared trace event collector. |
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301 TRACE_EVENT_PHASE_INSTANT, category_group, name, 0, 0, timestamp, \ | 301 TRACE_EVENT_PHASE_INSTANT, category_group, name, 0, 0, timestamp, \ |
302 TRACE_EVENT_FLAG_NONE | scope) | 302 TRACE_EVENT_FLAG_NONE | scope) |
303 | 303 |
304 // Syntactic sugars for the sampling tracing in the main thread. | 304 // Syntactic sugars for the sampling tracing in the main thread. |
305 #define TRACE_EVENT_SCOPED_SAMPLING_STATE(category, name) \ | 305 #define TRACE_EVENT_SCOPED_SAMPLING_STATE(category, name) \ |
306 TRACE_EVENT_SCOPED_SAMPLING_STATE_FOR_BUCKET(0, category, name) | 306 TRACE_EVENT_SCOPED_SAMPLING_STATE_FOR_BUCKET(0, category, name) |
307 #define TRACE_EVENT_GET_SAMPLING_STATE() \ | 307 #define TRACE_EVENT_GET_SAMPLING_STATE() \ |
308 TRACE_EVENT_GET_SAMPLING_STATE_FOR_BUCKET(0) | 308 TRACE_EVENT_GET_SAMPLING_STATE_FOR_BUCKET(0) |
309 #define TRACE_EVENT_SET_SAMPLING_STATE(category, name) \ | 309 #define TRACE_EVENT_SET_SAMPLING_STATE(category, name) \ |
310 TRACE_EVENT_SET_SAMPLING_STATE_FOR_BUCKET(0, category, name) | 310 TRACE_EVENT_SET_SAMPLING_STATE_FOR_BUCKET(0, category, name) |
311 #define TRACE_EVENT_SET_NONCONST_SAMPLING_STATE(categoryAndName) \ | 311 #define TRACE_EVENT_SET_NONCONST_SAMPLING_STATE(category_and_name) \ |
312 TRACE_EVENT_SET_NONCONST_SAMPLING_STATE_FOR_BUCKET(0, categoryAndName) | 312 TRACE_EVENT_SET_NONCONST_SAMPLING_STATE_FOR_BUCKET(0, category_and_name) |
313 | 313 |
314 // Records a single BEGIN event called "name" immediately, with 0, 1 or 2 | 314 // Records a single BEGIN event called "name" immediately, with 0, 1 or 2 |
315 // associated arguments. If the category is not enabled, then this | 315 // associated arguments. If the category is not enabled, then this |
316 // does nothing. | 316 // does nothing. |
317 // - category and name strings must have application lifetime (statics or | 317 // - category and name strings must have application lifetime (statics or |
318 // literals). They may not include " chars. | 318 // literals). They may not include " chars. |
319 #define TRACE_EVENT_BEGIN0(category_group, name) \ | 319 #define TRACE_EVENT_BEGIN0(category_group, name) \ |
320 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, category_group, name, \ | 320 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, category_group, name, \ |
321 TRACE_EVENT_FLAG_NONE) | 321 TRACE_EVENT_FLAG_NONE) |
322 #define TRACE_EVENT_BEGIN1(category_group, name, arg1_name, arg1_val) \ | 322 #define TRACE_EVENT_BEGIN1(category_group, name, arg1_name, arg1_val) \ |
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388 TRACE_EVENT_FLAG_COPY) | 388 TRACE_EVENT_FLAG_COPY) |
389 #define TRACE_EVENT_COPY_END1(category_group, name, arg1_name, arg1_val) \ | 389 #define TRACE_EVENT_COPY_END1(category_group, name, arg1_name, arg1_val) \ |
390 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, category_group, name, \ | 390 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, category_group, name, \ |
391 TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val) | 391 TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val) |
392 #define TRACE_EVENT_COPY_END2(category_group, name, arg1_name, arg1_val, \ | 392 #define TRACE_EVENT_COPY_END2(category_group, name, arg1_name, arg1_val, \ |
393 arg2_name, arg2_val) \ | 393 arg2_name, arg2_val) \ |
394 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, category_group, name, \ | 394 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, category_group, name, \ |
395 TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val, \ | 395 TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val, \ |
396 arg2_name, arg2_val) | 396 arg2_name, arg2_val) |
397 | 397 |
| 398 #define TRACE_EVENT_MARK_WITH_TIMESTAMP0(category_group, name, timestamp) \ |
| 399 INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ |
| 400 TRACE_EVENT_PHASE_MARK, category_group, name, 0, 0, timestamp, \ |
| 401 TRACE_EVENT_FLAG_NONE) |
| 402 |
398 #define TRACE_EVENT_MARK_WITH_TIMESTAMP1(category_group, name, timestamp, \ | 403 #define TRACE_EVENT_MARK_WITH_TIMESTAMP1(category_group, name, timestamp, \ |
399 arg1_name, arg1_val) \ | 404 arg1_name, arg1_val) \ |
400 INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ | 405 INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ |
401 TRACE_EVENT_PHASE_MARK, category_group, name, 0, 0, timestamp, \ | 406 TRACE_EVENT_PHASE_MARK, category_group, name, 0, 0, timestamp, \ |
402 TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) | 407 TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) |
403 | 408 |
404 #define TRACE_EVENT_COPY_MARK(category_group, name) \ | 409 #define TRACE_EVENT_COPY_MARK(category_group, name) \ |
405 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_MARK, category_group, name, \ | 410 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_MARK, category_group, name, \ |
406 TRACE_EVENT_FLAG_COPY) | 411 TRACE_EVENT_FLAG_COPY) |
407 | 412 |
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1106 | 1111 |
1107 // Enum reflecting the scope of an INSTANT event. Must fit within | 1112 // Enum reflecting the scope of an INSTANT event. Must fit within |
1108 // TRACE_EVENT_FLAG_SCOPE_MASK. | 1113 // TRACE_EVENT_FLAG_SCOPE_MASK. |
1109 #define TRACE_EVENT_SCOPE_GLOBAL (static_cast<unsigned char>(0 << 3)) | 1114 #define TRACE_EVENT_SCOPE_GLOBAL (static_cast<unsigned char>(0 << 3)) |
1110 #define TRACE_EVENT_SCOPE_PROCESS (static_cast<unsigned char>(1 << 3)) | 1115 #define TRACE_EVENT_SCOPE_PROCESS (static_cast<unsigned char>(1 << 3)) |
1111 #define TRACE_EVENT_SCOPE_THREAD (static_cast<unsigned char>(2 << 3)) | 1116 #define TRACE_EVENT_SCOPE_THREAD (static_cast<unsigned char>(2 << 3)) |
1112 | 1117 |
1113 #define TRACE_EVENT_SCOPE_NAME_GLOBAL ('g') | 1118 #define TRACE_EVENT_SCOPE_NAME_GLOBAL ('g') |
1114 #define TRACE_EVENT_SCOPE_NAME_PROCESS ('p') | 1119 #define TRACE_EVENT_SCOPE_NAME_PROCESS ('p') |
1115 #define TRACE_EVENT_SCOPE_NAME_THREAD ('t') | 1120 #define TRACE_EVENT_SCOPE_NAME_THREAD ('t') |
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