Support for the Linux 'perf report' and 'perf annotate' tools.

src/log.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 136 matching lines @@
   V(STORE_POLYMORPHIC_IC_TAG,       "StorePolymorphicIC")               \
   V(STUB_TAG,                       "Stub")                             \
   V(NATIVE_FUNCTION_TAG,            "Function")                         \
   V(NATIVE_LAZY_COMPILE_TAG,        "LazyCompile")                      \
   V(NATIVE_SCRIPT_TAG,              "Script")
 // Note that 'NATIVE_' cases for functions and scripts are mapped onto
 // original tags when writing to the log.
 
 
 class JitLogger;
+class PerfBasicLogger;
 class LowLevelLogger;
+class PerfJitLogger;
 class Sampler;
 
 class Logger {
  public:
 #define DECLARE_ENUM(enum_item, ignore) enum_item,
   enum LogEventsAndTags {
     LOG_EVENTS_AND_TAGS_LIST(DECLARE_ENUM)
     NUMBER_OF_LOG_EVENTS
   };
 #undef DECLARE_ENUM
@@ skipping 262 matching lines @@
   // private members.
   friend class EventLog;
   friend class Isolate;
   friend class TimeLog;
   friend class Profiler;
   template <StateTag Tag> friend class VMState;
   friend class LoggerTestHelper;
 
   bool is_logging_;
   Log* log_;
+  PerfBasicLogger* perf_basic_logger_;
+  PerfJitLogger* perf_jit_logger_;
   LowLevelLogger* ll_logger_;
   JitLogger* jit_logger_;
   List<CodeEventListener*> listeners_;
 
   // Guards against multiple calls to TearDown() that can happen in some tests.
   // 'true' between SetUp() and TearDown().
   bool is_initialized_;
 
   ElapsedTimer timer_;
 
@@ skipping 78 matching lines @@
                                  int length) = 0;
 
   NameBuffer* name_buffer_;
 };
 
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_LOG_H_