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

/*
 * 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;

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

message JavaHeapStats {
  message HeapRoots {
    optional string root_type = 1;
    optional string type_name = 2;
    optional int64 obj_count = 3;
  }

  // Next id: 10
  message Sample {
    optional int64 ts = 1;
    // Size of the Java heap in bytes
    optional int64 heap_size = 2;
    // Native size of all the objects (not included in heap_size)
    optional int64 heap_native_size = 8;
    optional int64 obj_count = 4;
    // Size of the reachable objects in bytes.
    optional int64 reachable_heap_size = 3;
    // Native size of all the reachable objects (not included in
    // reachable_heap_size)
    optional int64 reachable_heap_native_size = 9;
    optional int64 reachable_obj_count = 5;
    // Sum of anonymous RSS + swap pages in bytes.
    optional int64 anon_rss_and_swap_size = 6;

    // ART root objects
    repeated HeapRoots roots = 7;
  }

  // Heap stats per process. One sample per dump (can be > 1 if continuous
  // dump is enabled).
  message InstanceStats {
    optional uint32 upid = 1;
    optional AndroidProcessMetadata process = 2;
    repeated Sample samples = 3;
  }

  repeated InstanceStats instance_stats = 1;
}