/*
 * 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;

message Utsname {
  optional string sysname = 1;
  optional string version = 2;
  optional string release = 3;
  optional string machine = 4;
}

message SystemInfo {
  optional Utsname utsname = 1;
  optional string android_build_fingerprint = 2;

  // The version of traced (the same returned by `traced --version`).
  // This is a human readable string with and its format varies depending on
  // the build system and the repo (standalone vs AOSP).
  // This is intended for human debugging only.
  optional string tracing_service_version = 4;

  // The Android SDK vesion (e.g. 21 for L, 31 for S etc).
  // Introduced in Android T.
  optional uint64 android_sdk_version = 5;

  // Kernel page size - sysconf(_SC_PAGESIZE).
  optional uint32 page_size = 6;

  // Number of cpus - sysconf(_SC_NPROCESSORS_CONF).
  // Might be different to the number of online cpus.
  // Introduced in perfetto v44.
  optional uint32 num_cpus = 8;

  // The timezone offset from UTC, as per strftime("%z"), in minutes.
  // Introduced in v38 / Android V.
  optional int32 timezone_off_mins = 7;

  // Ticks per second - sysconf(_SC_CLK_TCK).
  // Not serialised as of perfetto v44.
  optional int64 hz = 3;
}