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src/main/java/com/google/devtools/build/lib/runtime/commands/info/WorkerMetricsInfoItem.java
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| // Copyright 2023 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.runtime.commands.info; | ||
|
|
||
| import static java.util.stream.Collectors.joining; | ||
|
|
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| import com.google.common.base.Supplier; | ||
| import com.google.common.collect.ImmutableList; | ||
| import com.google.common.collect.Iterables; | ||
| import com.google.devtools.build.lib.analysis.config.BuildConfigurationValue; | ||
| import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.BuildMetrics.WorkerMetrics; | ||
| import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.BuildMetrics.WorkerMetrics.WorkerStats; | ||
| import com.google.devtools.build.lib.runtime.CommandEnvironment; | ||
| import com.google.devtools.build.lib.runtime.InfoItem; | ||
| import com.google.devtools.build.lib.worker.WorkerMetricsCollector; | ||
| import java.util.List; | ||
|
|
||
| /** Info item for persistent worker metrics. */ | ||
| public final class WorkerMetricsInfoItem extends InfoItem { | ||
| public WorkerMetricsInfoItem() { | ||
| super("worker_metrics", "persistent worker metrics", true); | ||
| } | ||
|
|
||
| @Override | ||
| public byte[] get( | ||
| Supplier<BuildConfigurationValue> configurationSupplier, CommandEnvironment env) { | ||
|
|
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| ImmutableList<WorkerMetrics> proto = | ||
| WorkerMetricsCollector.instance().createWorkerMetricsProto(); | ||
| if (proto.isEmpty()) { | ||
| return print("No persistent workers active."); | ||
| } else { | ||
| StringBuilder stringBuilder = new StringBuilder(); | ||
| for (WorkerMetrics workerMetrics : proto) { | ||
| stringBuilder | ||
| .append("- ") | ||
| .append("pid ") | ||
| .append(workerMetrics.getProcessId()) | ||
| .append(", ") | ||
| .append(workerMetrics.getMnemonic()) | ||
| .append(", "); | ||
| List<WorkerStats> workerStats = workerMetrics.getWorkerStatsList(); | ||
| if (!workerStats.isEmpty()) { | ||
| WorkerStats lastWorkerStats = Iterables.getLast(workerStats); | ||
| long currentTimeMillis = env.getClock().currentTimeMillis(); | ||
| long diffSeconds = | ||
| (currentTimeMillis - lastWorkerStats.getLastActionStartTimeInMs()) / 1000; | ||
| long minutesAgo = diffSeconds / 60; | ||
| long remainingSeconds = diffSeconds - 60 * minutesAgo; | ||
| stringBuilder | ||
| .append(lastWorkerStats.getWorkerMemoryInKb() / 1024) | ||
| .append("MB, ") | ||
| .append("last action "); | ||
| if (minutesAgo > 0) { | ||
| stringBuilder.append(minutesAgo).append("m "); | ||
| } | ||
| stringBuilder.append(remainingSeconds).append("s ago, "); | ||
| } | ||
| if (workerMetrics.getIsSandbox()) { | ||
| stringBuilder.append("sandboxed, "); | ||
| } | ||
| if (workerMetrics.getIsMultiplex()) { | ||
| stringBuilder.append("multiplexed, "); | ||
| } | ||
| String workerIds = | ||
| workerMetrics.getWorkerIdsList().stream() | ||
| .sorted() | ||
| .map(e -> e.toString()) | ||
| .collect(joining(", ")); | ||
| if (workerMetrics.getWorkerIdsList().size() == 1) { | ||
| stringBuilder.append("id ").append(workerIds).append("\n"); | ||
| } else { | ||
| stringBuilder.append("ids [").append(workerIds).append("]\n"); | ||
| } | ||
| } | ||
| return print(stringBuilder.toString()); | ||
| } | ||
| } | ||
| } |
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