// Copyright 2019 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef IPC_TRACE_IPC_MESSAGE_H_ #define IPC_TRACE_IPC_MESSAGE_H_ #include #include "base/component_export.h" #include "services/tracing/public/cpp/perfetto/macros.h" #include "third_party/perfetto/protos/perfetto/trace/track_event/chrome_legacy_ipc.pbzero.h" // When tracing is enabled, emits a trace event with the given category and // event name and typed arguments for the message's type (message class and line // number). #define TRACE_IPC_MESSAGE_SEND(category, name, msg) \ TRACE_EVENT(category, name, [msg](perfetto::EventContext ctx) { \ IPC::WriteIpcMessageIdAsProtozero(msg->type(), \ ctx.event()->set_chrome_legacy_ipc()); \ }); namespace IPC { // Converts |message_id| into its message class and line number parts and writes // them to the protozero message |ChromeLegacyIpc| for trace events. void COMPONENT_EXPORT(IPC) WriteIpcMessageIdAsProtozero(uint32_t message_id, perfetto::protos::pbzero::ChromeLegacyIpc*); } // namespace IPC #endif // IPC_TRACE_IPC_MESSAGE_H_