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- // 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 <stdint.h>
- #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_
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