Initial Timeline Events

runtime/vm/isolate.h

Index: runtime/vm/isolate.h
diff --git a/runtime/vm/isolate.h b/runtime/vm/isolate.h
index a74bc944ba82f8e8ca29bae50a03f012e99a8d39..7b9b422f6d64a8f9f43bf59cfd38a026173d5008 100644
--- a/runtime/vm/isolate.h
+++ b/runtime/vm/isolate.h
@@ -18,8 +18,9 @@
 #include "vm/tags.h"
 #include "vm/thread.h"
 #include "vm/os_thread.h"
-#include "vm/trace_buffer.h"
+#include "vm/timeline.h"
 #include "vm/timer.h"
+#include "vm/trace_buffer.h"
 
 namespace dart {
 
@@ -526,6 +527,14 @@ class Isolate : public BaseIsolate {
     return trace_buffer_;
   }
 
+  void SetTimelineEventBuffer(TimelineEventBuffer* timeline_event_buffer);
+
+  TimelineEventBuffer* timeline_event_buffer() {

[siva, 2015/06/09 22:37:56]

_buffer() const {

[Cutch, 2015/06/10 18:20:56]

Done.

+    return timeline_event_buffer_;
+  }
+
+  void RemoveTimelineEventBuffer();
+
   DeoptContext* deopt_context() const { return deopt_context_; }
   void set_deopt_context(DeoptContext* value) {
     ASSERT(value == NULL || deopt_context_ == NULL);
@@ -625,6 +634,11 @@ class Isolate : public BaseIsolate {
   ISOLATE_METRIC_LIST(ISOLATE_METRIC_ACCESSOR);
 #undef ISOLATE_METRIC_ACCESSOR
 
+#define ISOLATE_TIMELINE_STREAM_ACCESSOR(name, enabled_by_default)             \
+  TimelineStream* Get##name##Stream() { return &stream_##name##_; }
+  ISOLATE_TIMELINE_STREAM_LIST(ISOLATE_TIMELINE_STREAM_ACCESSOR)
+#undef ISOLATE_TIMELINE_STREAM_ACCESSOR
+
   static intptr_t IsolateListLength();
 
   RawGrowableObjectArray* tag_table() const { return tag_table_; }
@@ -761,6 +775,9 @@ class Isolate : public BaseIsolate {
   // Trace buffer support.
   TraceBuffer* trace_buffer_;
 
+  // TimelineEvent buffer.
+  TimelineEventBuffer* timeline_event_buffer_;
+
   IsolateProfilerData* profiler_data_;
   Mutex profiler_data_mutex_;
   InterruptableThreadState* thread_state_;
@@ -803,6 +820,11 @@ class Isolate : public BaseIsolate {
   ISOLATE_METRIC_LIST(ISOLATE_METRIC_VARIABLE);
 #undef ISOLATE_METRIC_VARIABLE
 
+#define ISOLATE_TIMELINE_STREAM_VARIABLE(name, enabled_by_default)             \
+  TimelineStream stream_##name##_;
+  ISOLATE_TIMELINE_STREAM_LIST(ISOLATE_TIMELINE_STREAM_VARIABLE)
+#undef ISOLATE_TIMELINE_STREAM_VARIABLE
+
   VMHandles reusable_handles_;
 
   static Dart_IsolateCreateCallback create_callback_;