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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 30 #include "v8.h" | 30 #include "v8.h" |
| 31 | 31 |
| 32 #include "log.h" | 32 #include "log.h" |
| 33 #include "platform.h" | 33 #include "platform.h" |
| 34 | 34 |
| 35 namespace v8 { namespace internal { | 35 namespace v8 { namespace internal { |
| 36 | 36 |
| 37 #ifdef ENABLE_LOGGING_AND_PROFILING | 37 #ifdef ENABLE_LOGGING_AND_PROFILING |
| 38 | 38 |
| 39 // | 39 // |
| 40 // Command line flags used by Logger. | |
| 41 // | |
| 42 DEFINE_bool(log, false, | |
| 43 "Minimal logging (no API, code, GC, suspect, or handles samples)."); | |
| 44 DEFINE_bool(log_all, false, "Log all events to the log file."); | |
| 45 DEFINE_bool(log_api, false, "Log API events to the log file."); | |
| 46 DEFINE_bool(log_code, false, | |
| 47 "Log code events to the log file without profiling."); | |
| 48 DEFINE_bool(log_gc, false, | |
| 49 "Log heap samples on garbage collection for the hp2ps tool."); | |
| 50 DEFINE_bool(log_handles, false, "Log global handle events."); | |
| 51 DEFINE_bool(log_state_changes, false, "Log state changes."); | |
| 52 DEFINE_bool(log_suspect, false, "Log suspect operations."); | |
| 53 DEFINE_bool(prof, false, | |
| 54 "Log statistical profiling information (implies --log-code)."); | |
| 55 DEFINE_bool(log_regexp, false, | |
| 56 "Log regular expression execution."); | |
| 57 DEFINE_bool(sliding_state_window, false, | |
| 58 "Update sliding state window counters."); | |
| 59 | |
| 60 DEFINE_string(logfile, "v8.log", "Specify the name of the log file."); | |
| 61 | |
| 62 | |
| 63 // | |
| 64 // Sliding state window. Updates counters to keep track of the last | 40 // Sliding state window. Updates counters to keep track of the last |
| 65 // window of kBufferSize states. This is useful to track where we | 41 // window of kBufferSize states. This is useful to track where we |
| 66 // spent our time. | 42 // spent our time. |
| 67 // | 43 // |
| 68 class SlidingStateWindow { | 44 class SlidingStateWindow { |
| 69 public: | 45 public: |
| 70 SlidingStateWindow(); | 46 SlidingStateWindow(); |
| 71 ~SlidingStateWindow(); | 47 ~SlidingStateWindow(); |
| 72 void AddState(StateTag state); | 48 void AddState(StateTag state); |
| 73 | 49 |
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| 812 if (FLAG_log_state_changes) { | 788 if (FLAG_log_state_changes) { |
| 813 LOG(StringEvent("Leaving", StateToString(state_))); | 789 LOG(StringEvent("Leaving", StateToString(state_))); |
| 814 if (previous_) { | 790 if (previous_) { |
| 815 LOG(StringEvent("To", StateToString(previous_->state_))); | 791 LOG(StringEvent("To", StateToString(previous_->state_))); |
| 816 } | 792 } |
| 817 } | 793 } |
| 818 } | 794 } |
| 819 #endif | 795 #endif |
| 820 | 796 |
| 821 } } // namespace v8::internal | 797 } } // namespace v8::internal |
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