| // Copyright 2024 The Bazel Authors. All rights reserved. |
| // |
| // 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. |
| |
| package com.google.devtools.build.lib.metrics; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.common.collect.ImmutableMap; |
| import java.time.Instant; |
| |
| /** Contains a snapshot of the resource usage of multiple processes. */ |
| @AutoValue |
| public abstract class ResourceSnapshot { |
| /** Overall memory consumption by all descendant processes including initial process. */ |
| public abstract ImmutableMap<Long, Integer> getPidToMemoryInKb(); |
| |
| /** Time when this snapshot was collected. */ |
| public abstract Instant getCollectionTime(); |
| |
| public static ResourceSnapshot create( |
| ImmutableMap<Long, Integer> pidToMemoryInKb, Instant collectionTime) { |
| return new AutoValue_ResourceSnapshot(pidToMemoryInKb, collectionTime); |
| } |
| |
| public static ResourceSnapshot createEmpty(Instant collectionTime) { |
| return new AutoValue_ResourceSnapshot(ImmutableMap.of(), collectionTime); |
| } |
| } |