1 files changed, 45 insertions, 0 deletions
diff --git a/deps/v8/src/libplatform/tracing/perfetto-producer.cc b/deps/v8/src/libplatform/tracing/perfetto-producer.cc
new file mode 100644
index 0000000000..814dca6b59
--- /dev/null
+++ b/deps/v8/src/libplatform/tracing/perfetto-producer.cc
@@ -0,0 +1,45 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/libplatform/tracing/perfetto-producer.h"
+
+#include "perfetto/tracing/core/data_source_config.h"
+#include "perfetto/tracing/core/data_source_descriptor.h"
+#include "perfetto/tracing/core/trace_writer.h"
+#include "src/libplatform/tracing/perfetto-tasks.h"
+#include "src/libplatform/tracing/perfetto-tracing-controller.h"
+
+namespace v8 {
+namespace platform {
+namespace tracing {
+
+void PerfettoProducer::OnConnect() {
+  ::perfetto::DataSourceDescriptor ds_desc;
+  ds_desc.set_name("v8.trace_events");
+  service_endpoint_->RegisterDataSource(ds_desc);
+}
+
+void PerfettoProducer::StartDataSource(
+    ::perfetto::DataSourceInstanceID, const ::perfetto::DataSourceConfig& cfg) {
+  target_buffer_ = cfg.target_buffer();
+  tracing_controller_->OnProducerReady();
+}
+
+void PerfettoProducer::StopDataSource(::perfetto::DataSourceInstanceID) {
+  target_buffer_ = 0;
+}
+
+std::unique_ptr<::perfetto::TraceWriter> PerfettoProducer::CreateTraceWriter()
+    const {
+  CHECK_NE(0, target_buffer_);
+  return service_endpoint_->CreateTraceWriter(target_buffer_);
+}
+
+PerfettoProducer::PerfettoProducer(
+    PerfettoTracingController* tracing_controller)
+    : tracing_controller_(tracing_controller) {}
+
+}  // namespace tracing
+}  // namespace platform
+}  // namespace v8