Add fine grained command line and service protocol control over timeline streams recording

runtime/vm/isolate.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 "vm/isolate.h"
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 #include "platform/assert.h"
 #include "platform/text_buffer.h"
@@ skipping 889 matching lines @@
   ASSERT(result != NULL);
 
   // Initialize metrics.
 #define ISOLATE_METRIC_INIT(type, variable, name, unit)                        \
   result->metric_##variable##_.Init(result, name, NULL, Metric::unit);
   ISOLATE_METRIC_LIST(ISOLATE_METRIC_INIT);
 #undef ISOLATE_METRIC_INIT
 
 #ifndef PRODUCT
   // Initialize Timeline streams.
-#define ISOLATE_TIMELINE_STREAM_INIT(name, enabled_by_default)                 \
-  result->stream_##name##_.Init(#name,                                         \
-                                enabled_by_default,                            \
-                                Timeline::Stream##name##EnabledFlag());
-  ISOLATE_TIMELINE_STREAM_LIST(ISOLATE_TIMELINE_STREAM_INIT);
-#undef ISOLATE_TIMELINE_STREAM_INIT
+  Timeline::SetupIsolateStreams(result);
 #endif  // !PRODUCT
 
   Heap::Init(result,
              is_vm_isolate
                  ? 0  // New gen size 0; VM isolate should only allocate in old.
                  : FLAG_new_gen_semi_max_size * MBInWords,
              FLAG_old_gen_heap_size * MBInWords,
              FLAG_external_max_size * MBInWords);
 
   // TODO(5411455): For now just set the recently created isolate as
@@ skipping 1849 matching lines @@
 void IsolateSpawnState::DecrementSpawnCount() {
   ASSERT(spawn_count_monitor_ != NULL);
   ASSERT(spawn_count_ != NULL);
   MonitorLocker ml(spawn_count_monitor_);
   ASSERT(*spawn_count_ > 0);
   *spawn_count_ = *spawn_count_ - 1;
   ml.Notify();
 }
 
 }  // namespace dart