Track history of events in GCTracer.

src/globals.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include "include/v8stdint.h"
 
 #include "src/base/build_config.h"
@@ skipping 340 matching lines @@
 // allocated (allocated directly into the old generation) or not
 // (allocated in the young generation if the object size and type
 // allows).
 enum PretenureFlag { NOT_TENURED, TENURED };
 
 enum MinimumCapacity {
   USE_DEFAULT_MINIMUM_CAPACITY,
   USE_CUSTOM_MINIMUM_CAPACITY
 };
 
-enum GarbageCollector { SCAVENGER, MARK_COMPACTOR };
+enum GarbageCollector { SCAVENGER = 0, MARK_COMPACTOR = 1};

[Hannes Payer (out of office), 2014/07/22 09:10:17]

Why do you have to initialize it with =0, and =1?

[ernstm, 2014/07/22 14:09:28]

Not needed any more, with the introduction of Event::Type.

 
 enum Executability { NOT_EXECUTABLE, EXECUTABLE };
 
 enum VisitMode {
   VISIT_ALL,
   VISIT_ALL_IN_SCAVENGE,
   VISIT_ALL_IN_SWEEP_NEWSPACE,
   VISIT_ONLY_STRONG
 };
 
@@ skipping 353 matching lines @@
 enum MinusZeroMode {
   TREAT_MINUS_ZERO_AS_ZERO,
   FAIL_ON_MINUS_ZERO
 };
 
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_