/*
 * Copyright (C) 2021 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.
 */

// Partial clone of frameworks/proto_logging/stats/atoms.proto. CarTelemetryService only uses
// small number of atoms.

syntax = "proto2";

package android.car.telemetry.statsd;
option java_package = "com.android.car.telemetry";
option java_outer_classname = "AtomsProto";

message Atom {
  oneof pushed {
    ActivityForegroundStateChanged activity_foreground_state_changed = 42;
    AppStartMemoryStateCaptured app_start_memory_state_captured = 55;
  }

  // Pulled events will start at field 10000.
  oneof pulled {
    ProcessMemoryState process_memory_state = 10013;
  }
}

message AppStartMemoryStateCaptured {
  // The uid if available. -1 means not available.
  optional int32 uid = 1;
  optional string process_name = 2;
  optional string activity_name = 3;
  optional int64 page_fault = 4;
  optional int64 page_major_fault = 5;
  optional int64 rss_in_bytes = 6;
  optional int64 cache_in_bytes = 7;
  optional int64 swap_in_bytes = 8;
}

message ProcessMemoryState {
  optional int32 uid = 1;
  optional string process_name = 2;
  optional int32 oom_adj_score = 3;
  optional int64 page_fault = 4;
  optional int64 page_major_fault = 5;
  optional int64 rss_in_bytes = 6;
  optional int64 cache_in_bytes = 7;
  optional int64 swap_in_bytes = 8;
}

message ActivityForegroundStateChanged {
  optional int32 uid = 1;
  optional string pkg_name = 2;
  optional string class_name = 3;
  enum State {
    BACKGROUND = 0;
    FOREGROUND = 1;
  }
  optional State state = 4;
}