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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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143 class Logger { | 143 class Logger { |
144 public: | 144 public: |
145 #define DECLARE_ENUM(enum_item, ignore) enum_item, | 145 #define DECLARE_ENUM(enum_item, ignore) enum_item, |
146 enum LogEventsAndTags { | 146 enum LogEventsAndTags { |
147 LOG_EVENTS_AND_TAGS_LIST(DECLARE_ENUM) | 147 LOG_EVENTS_AND_TAGS_LIST(DECLARE_ENUM) |
148 NUMBER_OF_LOG_EVENTS | 148 NUMBER_OF_LOG_EVENTS |
149 }; | 149 }; |
150 #undef DECLARE_ENUM | 150 #undef DECLARE_ENUM |
151 | 151 |
152 // Acquires resources for logging if the right flags are set. | 152 // Acquires resources for logging if the right flags are set. |
153 bool Setup(); | 153 bool SetUp(); |
154 | 154 |
155 void EnsureTickerStarted(); | 155 void EnsureTickerStarted(); |
156 void EnsureTickerStopped(); | 156 void EnsureTickerStopped(); |
157 | 157 |
158 Sampler* sampler(); | 158 Sampler* sampler(); |
159 | 159 |
160 // Frees resources acquired in Setup. | 160 // Frees resources acquired in SetUp. |
161 // When a temporary file is used for the log, returns its stream descriptor, | 161 // When a temporary file is used for the log, returns its stream descriptor, |
162 // leaving the file open. | 162 // leaving the file open. |
163 FILE* TearDown(); | 163 FILE* TearDown(); |
164 | 164 |
165 // Enable the computation of a sliding window of states. | 165 // Enable the computation of a sliding window of states. |
166 void EnableSlidingStateWindow(); | 166 void EnableSlidingStateWindow(); |
167 | 167 |
168 // Emits an event with a string value -> (name, value). | 168 // Emits an event with a string value -> (name, value). |
169 void StringEvent(const char* name, const char* value); | 169 void StringEvent(const char* name, const char* value); |
170 | 170 |
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404 int logging_nesting_; | 404 int logging_nesting_; |
405 int cpu_profiler_nesting_; | 405 int cpu_profiler_nesting_; |
406 | 406 |
407 Log* log_; | 407 Log* log_; |
408 | 408 |
409 NameBuffer* name_buffer_; | 409 NameBuffer* name_buffer_; |
410 | 410 |
411 NameMap* address_to_name_map_; | 411 NameMap* address_to_name_map_; |
412 | 412 |
413 // Guards against multiple calls to TearDown() that can happen in some tests. | 413 // Guards against multiple calls to TearDown() that can happen in some tests. |
414 // 'true' between Setup() and TearDown(). | 414 // 'true' between SetUp() and TearDown(). |
415 bool is_initialized_; | 415 bool is_initialized_; |
416 | 416 |
417 // Support for 'incremental addresses' in compressed logs: | 417 // Support for 'incremental addresses' in compressed logs: |
418 // LogMessageBuilder::AppendAddress(Address addr) | 418 // LogMessageBuilder::AppendAddress(Address addr) |
419 Address last_address_; | 419 Address last_address_; |
420 // Logger::TickEvent(...) | 420 // Logger::TickEvent(...) |
421 Address prev_sp_; | 421 Address prev_sp_; |
422 Address prev_function_; | 422 Address prev_function_; |
423 // Logger::MoveEventInternal(...) | 423 // Logger::MoveEventInternal(...) |
424 Address prev_to_; | 424 Address prev_to_; |
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465 // Class that extracts stack trace, used for profiling. | 465 // Class that extracts stack trace, used for profiling. |
466 class StackTracer : public AllStatic { | 466 class StackTracer : public AllStatic { |
467 public: | 467 public: |
468 static void Trace(Isolate* isolate, TickSample* sample); | 468 static void Trace(Isolate* isolate, TickSample* sample); |
469 }; | 469 }; |
470 | 470 |
471 } } // namespace v8::internal | 471 } } // namespace v8::internal |
472 | 472 |
473 | 473 |
474 #endif // V8_LOG_H_ | 474 #endif // V8_LOG_H_ |
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