Add global timeline stream overrides

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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 "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
@@ skipping 5674 matching lines @@
       (stream_mask & DART_TIMELINE_STREAM_COMPILER) != 0);
   isolate->GetEmbedderStream()->set_enabled(
       (stream_mask & DART_TIMELINE_STREAM_EMBEDDER) != 0);
   isolate->GetGCStream()->set_enabled(
       (stream_mask & DART_TIMELINE_STREAM_GC) != 0);
   isolate->GetIsolateStream()->set_enabled(
       (stream_mask & DART_TIMELINE_STREAM_ISOLATE) != 0);
 }
 
 
+DART_EXPORT void Dart_GlobalTimelineSetRecordedStreams(int64_t stream_mask) {
+  // Per isolate overrides.
+  const bool api_enabled = (stream_mask & DART_TIMELINE_STREAM_API) != 0;
+  const bool compiler_enabled =
+      (stream_mask & DART_TIMELINE_STREAM_COMPILER) != 0;
+  const bool embedder_enabled =
+      (stream_mask & DART_TIMELINE_STREAM_EMBEDDER) != 0;
+  const bool gc_enabled = (stream_mask & DART_TIMELINE_STREAM_GC) != 0;
+  const bool isolate_enabled =
+      (stream_mask & DART_TIMELINE_STREAM_ISOLATE) != 0;
+  Timeline::SetStreamAPIEnabled(api_enabled);
+  Timeline::SetStreamCompilerEnabled(compiler_enabled);
+  Timeline::SetStreamEmbedderEnabled(embedder_enabled);
+  Timeline::SetStreamGCEnabled(gc_enabled);
+  Timeline::SetStreamIsolateEnabled(isolate_enabled);
+  // VM wide.
+  const bool vm_enabled =
+      (stream_mask & DART_TIMELINE_STREAM_VM) != 0;
+  Timeline::GetVMStream()->set_enabled(vm_enabled);
+}
+
+
 DART_EXPORT bool Dart_TimelineGetTrace(Dart_StreamConsumer consumer,
                                        void* user_data) {
   Isolate* isolate = Isolate::Current();
   CHECK_ISOLATE(isolate);
   if (consumer == NULL) {
     return false;
   }
   TimelineEventRecorder* timeline_recorder = Timeline::recorder();
   if (timeline_recorder == NULL) {
     // Nothing has been recorded.
@@ skipping 230 matching lines @@
                                    ApiReallocate);
   writer.WriteFullSnapshot();
   *vm_isolate_snapshot_size = writer.VmIsolateSnapshotSize();
   *isolate_snapshot_size = writer.IsolateSnapshotSize();
   *instructions_snapshot_size = writer.InstructionsSnapshotSize();
 
   return Api::Success();
 }
 
 }  // namespace dart