/*
 * 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/metrics/android/batt_metric.proto";
import "protos/perfetto/metrics/android/cpu_metric.proto";
import "protos/perfetto/metrics/android/mem_metric.proto";
import "protos/perfetto/metrics/android/mem_unagg_metric.proto";
import "protos/perfetto/metrics/android/process_growth.proto";
import "protos/perfetto/metrics/android/ion_metric.proto";
import "protos/perfetto/metrics/android/lmk_metric.proto";
import "protos/perfetto/metrics/android/powrails_metric.proto";
import "protos/perfetto/metrics/android/startup_metric.proto";
import "protos/perfetto/metrics/android/heap_profile_callsites.proto";
import "protos/perfetto/metrics/android/package_list.proto";
import "protos/perfetto/metrics/android/unsymbolized_frames.proto";
import "protos/perfetto/metrics/android/java_heap_stats.proto";

// Trace processor metadata (taken from the stats table schema and contents).
// TODO: perhaps add the other columns once we have enum support
message TraceMetadata {
  message Entry {
    optional string name = 1;
    optional uint32 idx = 2;
    optional int64 value = 3;
  }

  repeated Entry error_stats_entry = 1;
  optional int64 trace_duration_ns = 2;
  optional string trace_uuid = 3;
}

// Root message for all Perfetto-based metrics.
//
// Next id: 18
message TraceMetrics {
  reserved 4, 13, 14;

  // Battery counters metric on Android.
  optional AndroidBatteryMetric android_batt = 5;

  // CPU usage per trace, process and thread.
  optional AndroidCpuMetric android_cpu = 6;

  // Memory metrics on Android (owned by the Android Telemetry team).
  optional AndroidMemoryMetric android_mem = 1;

  // Memory metrics on Android in unaggregated form. (owned by the Android
  // Telemetry team).
  // Note: this generates a lot of data so should not be requested unless it
  // is clear that this data is necessary.
  optional AndroidMemoryUnaggregatedMetric android_mem_unagg = 11;

  // Package list.
  optional AndroidPackageList android_package_list = 12;

  // Per-process memory growth metrics.
  optional AndroidProcessGrowth android_process_growth = 10;

  // ion buffer memory metrics.
  optional AndroidIonMetric android_ion = 9;

  // Statistics about low memory kills.
  optional AndroidLmkMetric android_lmk = 8;

  // Power Rails metrics on Android.
  optional AndroidPowerRails android_powrails = 7;

  // Startup metrics on Android (owned by the Android Telemetry team).
  optional AndroidStartupMetric android_startup = 2;

  // Heap profiler callsite statistics.
  optional HeapProfileCallsites heap_profile_callsites = 16;

  // Trace metadata (applicable to all traces).
  optional TraceMetadata trace_metadata = 3;

  // Returns stack frames missing symbols.
  optional UnsymbolizedFrames unsymbolized_frames = 15;

  // If the trace contains a heap graph, output allocation statistics.
  optional JavaHeapStats java_heap_stats = 17;

  // Demo extensions.
  extensions 450 to 499;

  // Vendor extensions.
  extensions 500 to 1000;
}