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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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| 290 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, category_group, name, \ | 290 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, category_group, name, \ |
| 291 TRACE_EVENT_FLAG_COPY | scope, arg1_name, arg1_val) | 291 TRACE_EVENT_FLAG_COPY | scope, arg1_name, arg1_val) |
| 292 #define TRACE_EVENT_COPY_INSTANT2(category_group, name, scope, arg1_name, \ | 292 #define TRACE_EVENT_COPY_INSTANT2(category_group, name, scope, arg1_name, \ |
| 293 arg1_val, arg2_name, arg2_val) \ | 293 arg1_val, arg2_name, arg2_val) \ |
| 294 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, category_group, name, \ | 294 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, category_group, name, \ |
| 295 TRACE_EVENT_FLAG_COPY | scope, arg1_name, arg1_val, \ | 295 TRACE_EVENT_FLAG_COPY | scope, arg1_name, arg1_val, \ |
| 296 arg2_name, arg2_val) | 296 arg2_name, arg2_val) |
| 297 | 297 |
| 298 #define TRACE_EVENT_INSTANT_WITH_TIMESTAMP0(category_group, name, scope, \ | 298 #define TRACE_EVENT_INSTANT_WITH_TIMESTAMP0(category_group, name, scope, \ |
| 299 timestamp) \ | 299 timestamp) \ |
| 300 INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ | 300 INTERNAL_TRACE_EVENT_ADD_WITH_TIMESTAMP( \ |
| 301 TRACE_EVENT_PHASE_INSTANT, category_group, name, 0, 0, timestamp, \ | 301 TRACE_EVENT_PHASE_INSTANT, category_group, name, 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(category_and_name) \ | 311 #define TRACE_EVENT_SET_NONCONST_SAMPLING_STATE(category_and_name) \ |
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| 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) \ | 398 #define TRACE_EVENT_MARK_WITH_TIMESTAMP0(category_group, name, timestamp) \ |
| 399 INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ | 399 INTERNAL_TRACE_EVENT_ADD_WITH_TIMESTAMP( \ |
| 400 TRACE_EVENT_PHASE_MARK, category_group, name, 0, 0, timestamp, \ | 400 TRACE_EVENT_PHASE_MARK, category_group, name, timestamp, \ |
| 401 TRACE_EVENT_FLAG_NONE) | 401 TRACE_EVENT_FLAG_NONE) |
| 402 | 402 |
| 403 #define TRACE_EVENT_MARK_WITH_TIMESTAMP1(category_group, name, timestamp, \ | 403 #define TRACE_EVENT_MARK_WITH_TIMESTAMP1(category_group, name, timestamp, \ |
| 404 arg1_name, arg1_val) \ | 404 arg1_name, arg1_val) \ |
| 405 INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ | 405 INTERNAL_TRACE_EVENT_ADD_WITH_TIMESTAMP( \ |
| 406 TRACE_EVENT_PHASE_MARK, category_group, name, 0, 0, timestamp, \ | 406 TRACE_EVENT_PHASE_MARK, category_group, name, timestamp, \ |
| 407 TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) | 407 TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) |
| 408 | 408 |
| 409 #define TRACE_EVENT_COPY_MARK(category_group, name) \ | 409 #define TRACE_EVENT_COPY_MARK(category_group, name) \ |
| 410 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_MARK, category_group, name, \ | 410 INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_MARK, category_group, name, \ |
| 411 TRACE_EVENT_FLAG_COPY) | 411 TRACE_EVENT_FLAG_COPY) |
| 412 | 412 |
| 413 #define TRACE_EVENT_COPY_MARK_WITH_TIMESTAMP(category_group, name, timestamp) \ | 413 #define TRACE_EVENT_COPY_MARK_WITH_TIMESTAMP(category_group, name, timestamp) \ |
| 414 INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ | 414 INTERNAL_TRACE_EVENT_ADD_WITH_TIMESTAMP( \ |
| 415 TRACE_EVENT_PHASE_MARK, category_group, name, 0, 0, timestamp, \ | 415 TRACE_EVENT_PHASE_MARK, category_group, name, timestamp, \ |
| 416 TRACE_EVENT_FLAG_COPY) | 416 TRACE_EVENT_FLAG_COPY) |
| 417 | 417 |
| 418 // Similar to TRACE_EVENT_ENDx but with a custom |at| timestamp provided. | 418 // Similar to TRACE_EVENT_ENDx but with a custom |at| timestamp provided. |
| 419 // - |id| is used to match the _BEGIN event with the _END event. | 419 // - |id| is used to match the _BEGIN event with the _END event. |
| 420 // Events are considered to match if their category_group, name and id values | 420 // Events are considered to match if their category_group, name and id values |
| 421 // all match. |id| must either be a pointer or an integer value up to 64 bits. | 421 // all match. |id| must either be a pointer or an integer value up to 64 bits. |
| 422 // If it's a pointer, the bits will be xored with a hash of the process ID so | 422 // If it's a pointer, the bits will be xored with a hash of the process ID so |
| 423 // that the same pointer on two different processes will not collide. | 423 // that the same pointer on two different processes will not collide. |
| 424 #define TRACE_EVENT_END_WITH_ID_TID_AND_TIMESTAMP0(category_group, name, id, \ | 424 #define TRACE_EVENT_END_WITH_ID_TID_AND_TIMESTAMP0(category_group, name, id, \ |
| 425 thread_id, timestamp) \ | 425 thread_id, timestamp) \ |
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| 1111 | 1111 |
| 1112 // Enum reflecting the scope of an INSTANT event. Must fit within | 1112 // Enum reflecting the scope of an INSTANT event. Must fit within |
| 1113 // TRACE_EVENT_FLAG_SCOPE_MASK. | 1113 // TRACE_EVENT_FLAG_SCOPE_MASK. |
| 1114 #define TRACE_EVENT_SCOPE_GLOBAL (static_cast<unsigned char>(0 << 3)) | 1114 #define TRACE_EVENT_SCOPE_GLOBAL (static_cast<unsigned char>(0 << 3)) |
| 1115 #define TRACE_EVENT_SCOPE_PROCESS (static_cast<unsigned char>(1 << 3)) | 1115 #define TRACE_EVENT_SCOPE_PROCESS (static_cast<unsigned char>(1 << 3)) |
| 1116 #define TRACE_EVENT_SCOPE_THREAD (static_cast<unsigned char>(2 << 3)) | 1116 #define TRACE_EVENT_SCOPE_THREAD (static_cast<unsigned char>(2 << 3)) |
| 1117 | 1117 |
| 1118 #define TRACE_EVENT_SCOPE_NAME_GLOBAL ('g') | 1118 #define TRACE_EVENT_SCOPE_NAME_GLOBAL ('g') |
| 1119 #define TRACE_EVENT_SCOPE_NAME_PROCESS ('p') | 1119 #define TRACE_EVENT_SCOPE_NAME_PROCESS ('p') |
| 1120 #define TRACE_EVENT_SCOPE_NAME_THREAD ('t') | 1120 #define TRACE_EVENT_SCOPE_NAME_THREAD ('t') |
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