Timeline: If the embedder stream is enabled at startup, invoke the embedder's callback to let it kn…

runtime/vm/timeline.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <cstdlib>
 
 #include "vm/atomic.h"
 #include "vm/isolate.h"
 #include "vm/json_stream.h"
 #include "vm/lockers.h"
@@ skipping 128 matching lines @@
   }
   enabled_streams_ = GetEnabledByDefaultTimelineStreams();
   // Global overrides.
 #define TIMELINE_STREAM_FLAG_DEFAULT(name, not_used)                           \
   stream_##name##_enabled_ = HasStream(enabled_streams_, #name);               \
   stream_##name##_.Init(#name,                                                 \
                         stream_##name##_enabled_,                              \
                         &stream_##name##_enabled_);
   TIMELINE_STREAM_LIST(TIMELINE_STREAM_FLAG_DEFAULT)
 #undef TIMELINE_STREAM_FLAG_DEFAULT
+
+  if (stream_Embedder_enabled_ &&
+      (Timeline::get_start_recording_cb() != NULL)) {
+    Timeline::get_start_recording_cb()();
+  }
 }
 
 
 void Timeline::StreamStateChange(const char* stream_name,
                                  bool prev,
                                  bool curr) {
   if (prev == curr) {
     return;
   }
   if (strcmp(stream_name, "Embedder") == 0) {
     if (curr && (Timeline::get_start_recording_cb() != NULL)) {
       Timeline::get_start_recording_cb()();
     } else if (!curr && (Timeline::get_stop_recording_cb() != NULL)) {
       Timeline::get_stop_recording_cb()();
     }
   }
 }
 
 
 void Timeline::Shutdown() {
   ASSERT(recorder_ != NULL);
+
+  if (stream_Embedder_enabled_ &&
+      (Timeline::get_stop_recording_cb() != NULL)) {
+    Timeline::get_stop_recording_cb()();
+  }
+
   if (FLAG_timeline_dir != NULL) {
     recorder_->WriteTo(FLAG_timeline_dir);
   }
+
   // Disable global streams.
 #define TIMELINE_STREAM_DISABLE(name, not_used)                                \
   stream_##name##_enabled_ = false;
   TIMELINE_STREAM_LIST(TIMELINE_STREAM_DISABLE)
 #undef TIMELINE_STREAM_DISABLE
   delete recorder_;
   recorder_ = NULL;
   if (enabled_streams_ != NULL) {
     FreeEnabledByDefaultTimelineStreams(enabled_streams_);
     enabled_streams_ = NULL;
@@ skipping 1321 matching lines @@
 TimelineEventBlock* TimelineEventBlockIterator::Next() {
   ASSERT(current_ != NULL);
   TimelineEventBlock* r = current_;
   current_ = current_->next();
   return r;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart