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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 // Activity tracking provides a low-overhead method of collecting information | 5 // Activity tracking provides a low-overhead method of collecting information |
| 6 // about the state of the application for analysis both while it is running | 6 // about the state of the application for analysis both while it is running |
| 7 // and after it has terminated unexpectedly. Its primary purpose is to help | 7 // and after it has terminated unexpectedly. Its primary purpose is to help |
| 8 // locate reasons the browser becomes unresponsive by providing insight into | 8 // locate reasons the browser becomes unresponsive by providing insight into |
| 9 // what all the various threads and processes are (or were) doing. | 9 // what all the various threads and processes are (or were) doing. |
| 10 | 10 |
| 11 #ifndef BASE_DEBUG_ACTIVITY_TRACKER_H_ | 11 #ifndef BASE_DEBUG_ACTIVITY_TRACKER_H_ |
| 12 #define BASE_DEBUG_ACTIVITY_TRACKER_H_ | 12 #define BASE_DEBUG_ACTIVITY_TRACKER_H_ |
| 13 | 13 |
| 14 // std::atomic is undesired due to performance issues when used as global | 14 // std::atomic is undesired due to performance issues when used as global |
| 15 // variables. There are no such instances here. This module uses the | 15 // variables. There are no such instances here. This module uses the |
| 16 // PersistentMemoryAllocator which also uses std::atomic and is written | 16 // PersistentMemoryAllocator which also uses std::atomic and is written |
| 17 // by the same author. | 17 // by the same author. |
| 18 #include <atomic> | 18 #include <atomic> |
| 19 #include <map> | 19 #include <map> |
| 20 #include <memory> | 20 #include <memory> |
| 21 #include <string> | 21 #include <string> |
| 22 #include <vector> | 22 #include <vector> |
| 23 | 23 |
| 24 #include "base/base_export.h" | 24 #include "base/base_export.h" |
| 25 #include "base/compiler_specific.h" | 25 #include "base/compiler_specific.h" |
| 26 #include "base/gtest_prod_util.h" | 26 #include "base/gtest_prod_util.h" |
| 27 #include "base/location.h" | 27 #include "base/location.h" |
| 28 #include "base/metrics/persistent_memory_allocator.h" | 28 #include "base/metrics/persistent_memory_allocator.h" |
| 29 #include "base/strings/utf_string_conversions.h" |
| 29 #include "base/threading/platform_thread.h" | 30 #include "base/threading/platform_thread.h" |
| 30 #include "base/threading/thread_checker.h" | 31 #include "base/threading/thread_checker.h" |
| 31 #include "base/threading/thread_local_storage.h" | 32 #include "base/threading/thread_local_storage.h" |
| 32 | 33 |
| 33 namespace base { | 34 namespace base { |
| 34 | 35 |
| 35 struct PendingTask; | 36 struct PendingTask; |
| 36 | 37 |
| 37 class FilePath; | 38 class FilePath; |
| 38 class Lock; | 39 class Lock; |
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| 354 // | 355 // |
| 355 // This information is stored on a "best effort" basis. It may be dropped if | 356 // This information is stored on a "best effort" basis. It may be dropped if |
| 356 // the memory buffer is full or the associated activity is beyond the maximum | 357 // the memory buffer is full or the associated activity is beyond the maximum |
| 357 // recording depth. | 358 // recording depth. |
| 358 void Set(StringPiece name, const void* memory, size_t size) { | 359 void Set(StringPiece name, const void* memory, size_t size) { |
| 359 Set(name, RAW_VALUE, memory, size); | 360 Set(name, RAW_VALUE, memory, size); |
| 360 } | 361 } |
| 361 void SetString(StringPiece name, StringPiece value) { | 362 void SetString(StringPiece name, StringPiece value) { |
| 362 Set(name, STRING_VALUE, value.data(), value.length()); | 363 Set(name, STRING_VALUE, value.data(), value.length()); |
| 363 } | 364 } |
| 365 void SetString(StringPiece name, StringPiece16 value) { |
| 366 SetString(name, UTF16ToUTF8(value)); |
| 367 } |
| 364 void SetBool(StringPiece name, bool value) { | 368 void SetBool(StringPiece name, bool value) { |
| 365 char cvalue = value ? 1 : 0; | 369 char cvalue = value ? 1 : 0; |
| 366 Set(name, BOOL_VALUE, &cvalue, sizeof(cvalue)); | 370 Set(name, BOOL_VALUE, &cvalue, sizeof(cvalue)); |
| 367 } | 371 } |
| 368 void SetChar(StringPiece name, char value) { | 372 void SetChar(StringPiece name, char value) { |
| 369 Set(name, CHAR_VALUE, &value, sizeof(value)); | 373 Set(name, CHAR_VALUE, &value, sizeof(value)); |
| 370 } | 374 } |
| 371 void SetInt(StringPiece name, int64_t value) { | 375 void SetInt(StringPiece name, int64_t value) { |
| 372 Set(name, SIGNED_VALUE, &value, sizeof(value)); | 376 Set(name, SIGNED_VALUE, &value, sizeof(value)); |
| 373 } | 377 } |
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| 948 ScopedProcessWaitActivity(const void* program_counter, | 952 ScopedProcessWaitActivity(const void* program_counter, |
| 949 const base::Process* process); | 953 const base::Process* process); |
| 950 DISALLOW_COPY_AND_ASSIGN(ScopedProcessWaitActivity); | 954 DISALLOW_COPY_AND_ASSIGN(ScopedProcessWaitActivity); |
| 951 }; | 955 }; |
| 952 #endif | 956 #endif |
| 953 | 957 |
| 954 } // namespace debug | 958 } // namespace debug |
| 955 } // namespace base | 959 } // namespace base |
| 956 | 960 |
| 957 #endif // BASE_DEBUG_ACTIVITY_TRACKER_H_ | 961 #endif // BASE_DEBUG_ACTIVITY_TRACKER_H_ |
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