1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef INCLUDE_PERFETTO_TRACING_BACKEND_TYPE_H_ 18 #define INCLUDE_PERFETTO_TRACING_BACKEND_TYPE_H_ 19 20 #include <stdint.h> 21 22 namespace perfetto { 23 24 enum BackendType : uint32_t { 25 kUnspecifiedBackend = 0, 26 27 // Connects to a previously-initialized perfetto tracing backend for 28 // in-process. If the in-process backend has not been previously initialized 29 // it will do so and create the tracing service on a dedicated thread. 30 kInProcessBackend = 1 << 0, 31 32 // Connects to the system tracing service (e.g. on Linux/Android/Mac uses a 33 // named UNIX socket). 34 kSystemBackend = 1 << 1, 35 36 // Used to provide a custom IPC transport to connect to the service. 37 // TracingInitArgs::custom_backend must be non-null and point to an 38 // indefinitely lived instance. 39 kCustomBackend = 1 << 2, 40 }; 41 42 } // namespace perfetto 43 44 #endif // INCLUDE_PERFETTO_TRACING_BACKEND_TYPE_H_ 45