third_party/perfetto/protos/perfetto/metrics/android/java_heap_histogram.proto

/*
 * Copyright (C) 2020 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;

import "protos/perfetto/metrics/android/process_metadata.proto";

message JavaHeapHistogram {
  // Next id: 9
  message TypeCount {
    optional string type_name = 1;
    optional string category = 4;

    optional uint32 obj_count = 2;
    optional uint32 reachable_obj_count = 3;

    optional uint32 size_kb = 5;
    optional uint32 reachable_size_kb = 6;
    optional uint32 native_size_kb = 7;
    optional uint32 reachable_native_size_kb = 8;
  }

  message Sample {
    optional int64 ts = 1;
    repeated TypeCount type_count = 2;
  }

  // Heap stats per process. One sample per dump (with continuous dump you can
  // have more samples differentiated by ts).
  message InstanceStats {
    optional uint32 upid = 1;
    optional AndroidProcessMetadata process = 2;
    repeated Sample samples = 3;
  }

  repeated InstanceStats instance_stats = 1;
}