src: trace_event: secondary storage for metadata

Metadata trace-events should be held in secondary storage so that they
can be periodically reemitted. This change establishes the secondary
storage and ensures that events are reemitted on each flush.

PR-URL: https://github.com/nodejs/node/pull/20900
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

2 files changed, 5 insertions, 6 deletions

diff --git a/test/cctest/node_test_fixture.cc b/test/cctest/node_test_fixture.cc
index acc975a4cb..f134818247 100644
--- a/test/cctest/node_test_fixture.cc
+++ b/test/cctest/node_test_fixture.cc
@@ -3,4 +3,4 @@
 ArrayBufferUniquePtr NodeTestFixture::allocator{nullptr, nullptr};
 uv_loop_t NodeTestFixture::current_loop;
 NodePlatformUniquePtr NodeTestFixture::platform;
-TracingControllerUniquePtr NodeTestFixture::tracing_controller;
+TracingAgentUniquePtr NodeTestFixture::tracing_agent;
diff --git a/test/cctest/node_test_fixture.h b/test/cctest/node_test_fixture.h
index 775a211f54..f4c97b0502 100644
--- a/test/cctest/node_test_fixture.h
+++ b/test/cctest/node_test_fixture.h
@@ -55,21 +55,20 @@ struct Argv {
 
 using ArrayBufferUniquePtr = std::unique_ptr<node::ArrayBufferAllocator,
       decltype(&node::FreeArrayBufferAllocator)>;
-using TracingControllerUniquePtr = std::unique_ptr<v8::TracingController>;
+using TracingAgentUniquePtr = std::unique_ptr<node::tracing::Agent>;
 using NodePlatformUniquePtr = std::unique_ptr<node::NodePlatform>;
 
 class NodeTestFixture : public ::testing::Test {
  protected:
   static ArrayBufferUniquePtr allocator;
-  static TracingControllerUniquePtr tracing_controller;
+  static TracingAgentUniquePtr tracing_agent;
   static NodePlatformUniquePtr platform;
   static uv_loop_t current_loop;
   v8::Isolate* isolate_;
 
   static void SetUpTestCase() {
-    tracing_controller.reset(new v8::TracingController());
-    node::tracing::TraceEventHelper::SetTracingController(
-        tracing_controller.get());
+    tracing_agent.reset(new node::tracing::Agent());
+    node::tracing::TraceEventHelper::SetAgent(tracing_agent.get());
     CHECK_EQ(0, uv_loop_init(&current_loop));
     platform.reset(static_cast<node::NodePlatform*>(
           node::InitializeV8Platform(4)));