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Add info item for auto detected local resources
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Closes bazelbuild#18287.

PiperOrigin-RevId: 529037360
Change-Id: Ic793c4118a25ccdca5e5734dce25c1ea7685568b
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Stoozy authored and copybara-github committed May 3, 2023
1 parent 3ef2e53 commit f09ee65
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Showing 3 changed files with 44 additions and 1 deletion.
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Expand Up @@ -47,6 +47,7 @@
import com.google.devtools.build.lib.runtime.commands.info.JavaHomeInfoItem;
import com.google.devtools.build.lib.runtime.commands.info.JavaRuntimeInfoItem;
import com.google.devtools.build.lib.runtime.commands.info.JavaVirtualMachineInfoItem;
import com.google.devtools.build.lib.runtime.commands.info.LocalResourcesInfoItem;
import com.google.devtools.build.lib.runtime.commands.info.MakeInfoItem;
import com.google.devtools.build.lib.runtime.commands.info.MaxHeapSizeInfoItem;
import com.google.devtools.build.lib.runtime.commands.info.OutputBaseInfoItem;
Expand Down Expand Up @@ -293,7 +294,8 @@ private static Map<String, InfoItem> getHardwiredInfoItemMap(
new BuildLanguageInfoItem(),
new DefaultPackagePathInfoItem(commandOptions),
new StarlarkSemanticsInfoItem(commandOptions),
new WorkerMetricsInfoItem());
new WorkerMetricsInfoItem(),
new LocalResourcesInfoItem());
ImmutableMap.Builder<String, InfoItem> result = new ImmutableMap.Builder<>();
for (InfoItem item : hardwiredInfoItems) {
result.put(item.getName(), item);
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Expand Up @@ -16,6 +16,7 @@ java_library(
srcs = glob(["*.java"]),
deps = [
"//src/main/java/com/google/devtools/build/lib:runtime",
"//src/main/java/com/google/devtools/build/lib/actions:localhost_capacity",
"//src/main/java/com/google/devtools/build/lib/analysis:blaze_version_info",
"//src/main/java/com/google/devtools/build/lib/analysis:config/build_configuration",
"//src/main/java/com/google/devtools/build/lib/buildeventstream/proto:build_event_stream_java_proto",
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@@ -0,0 +1,40 @@
// 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 com.google.common.base.Supplier;
import com.google.devtools.build.lib.actions.LocalHostCapacity;
import com.google.devtools.build.lib.actions.ResourceSet;
import com.google.devtools.build.lib.analysis.config.BuildConfigurationValue;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.runtime.InfoItem;

/** Info item for auto detected local resources . */
public final class LocalResourcesInfoItem extends InfoItem {
public LocalResourcesInfoItem() {
super("local_resources", "Auto detected local resources", false);
}

@Override
public byte[] get(
Supplier<BuildConfigurationValue> configurationSupplier, CommandEnvironment env) {
ResourceSet localResources = LocalHostCapacity.getLocalHostCapacity();

return print(
String.format(
"RAM=%dMB, CPU=%.1f",
(int) localResources.getMemoryMb(), localResources.getCpuUsage()));
}
}

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