| // Copyright 2020 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 SERVICES_TRACING_PUBLIC_CPP_PERFETTO_FLOW_EVENT_UTILS_H_ |
| #define SERVICES_TRACING_PUBLIC_CPP_PERFETTO_FLOW_EVENT_UTILS_H_ |
| |
| #include "base/component_export.h" |
| #include "services/tracing/public/cpp/perfetto/macros.h" |
| #include "third_party/perfetto/protos/perfetto/trace/track_event/chrome_latency_info.pbzero.h" |
| #include "third_party/perfetto/protos/perfetto/trace/track_event/track_event.pbzero.h" |
| |
| namespace tracing { |
| |
| // Fill the information about flow event in EventContext. |
| // |
| // BEWARE: this function currently sets the TrackEvent's LegacyEvent field, and |
| // thus should be used from within trace macros that do not set the LegacyEvent |
| // field themselves. As it is, it is fine to call this method from the typed |
| // TRACE_EVENT macro. |
| // |
| // TODO(b/147673438): Change to the new model flow events when finalized |
| void COMPONENT_EXPORT(TRACING_CPP) FillFlowEvent( |
| const perfetto::EventContext&, |
| perfetto::protos::pbzero::TrackEvent_LegacyEvent_FlowDirection, |
| uint64_t bind_id); |
| |
| } // namespace tracing |
| |
| #endif // SERVICES_TRACING_PUBLIC_CPP_PERFETTO_FLOW_EVENT_UTILS_H_ |