| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| syntax = "proto2"; |
| option optimize_for = LITE_RUNTIME; |
| |
| package perfetto.protos; |
| |
| import "protos/perfetto/common/data_source_descriptor.proto"; |
| |
| // Reports the state of the tracing service. Used to gather details about the |
| // data sources connected. |
| // See ConsumerPort::QueryServiceState(). |
| message TracingServiceState { |
| // Describes a producer process. |
| message Producer { |
| optional int32 id = 1; // Unique ID of the producer (monotonic counter). |
| optional string name = 2; // Typically matches the process name. |
| optional int32 uid = 3; // Unix uid of the remote process. |
| } |
| |
| // Describes a data source registered by a producer. Data sources are listed |
| // regardless of the fact that they are being used or not. |
| message DataSource { |
| // Descriptor passed by the data source when calling RegisterDataSource(). |
| optional DataSourceDescriptor ds_descriptor = 1; |
| |
| // ID of the producer, as per Producer.id. |
| optional int32 producer_id = 2; |
| } |
| |
| // Lists all the producers connected. |
| repeated Producer producers = 1; |
| |
| // Lists the data sources available. |
| repeated DataSource data_sources = 2; |
| |
| // Total number of tracing sessions. |
| optional int32 num_sessions = 3; |
| |
| // Number of tracing sessions in the started state. Always <= num_sessions. |
| optional int32 num_sessions_started = 4; |
| } |