/*
 * 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";

package perfetto.protos;

// Describes a process's attributes. Emitted as part of a TrackDescriptor,
// usually by the process's main thread.
//
// Next id: 9.
message ProcessDescriptor {
  optional int32 pid = 1;
  repeated string cmdline = 2;
  optional string process_name = 6;

  optional int32 process_priority = 5;
  // Process start time in nanoseconds.
  // The timestamp refers to the trace clock by default. Other clock IDs
  // provided in TracePacket are not supported.
  optional int64 start_timestamp_ns = 7;

  // ---------------------------------------------------------------------------
  // Deprecated / legacy fields, which will be removed in the future:
  // ---------------------------------------------------------------------------

  // See chromium's content::ProcessType.
  enum ChromeProcessType {
    PROCESS_UNSPECIFIED = 0;
    PROCESS_BROWSER = 1;
    PROCESS_RENDERER = 2;
    PROCESS_UTILITY = 3;
    PROCESS_ZYGOTE = 4;
    PROCESS_SANDBOX_HELPER = 5;
    PROCESS_GPU = 6;
    PROCESS_PPAPI_PLUGIN = 7;
    PROCESS_PPAPI_BROKER = 8;
  }
  optional ChromeProcessType chrome_process_type = 4;

  // To support old UI. New UI should determine default sorting by process_type.
  optional int32 legacy_sort_index = 3;

  // Labels can be used to further describe properties of the work performed by
  // the process. For example, these can be used by Chrome renderer process to
  // provide titles of frames being rendered.
  repeated string process_labels = 8;
}