Add info item for auto detected local resources

src/main/java/com/google/devtools/build/lib/runtime/commands/InfoCommand.java

@@ -60,6 +60,7 @@
 import com.google.devtools.build.lib.runtime.commands.info.UsedHeapSizeInfoItem;
 import com.google.devtools.build.lib.runtime.commands.info.WorkerMetricsInfoItem;
 import com.google.devtools.build.lib.runtime.commands.info.WorkspaceInfoItem;
+import com.google.devtools.build.lib.runtime.commands.info.LocalResourcesInfoItem;
 import com.google.devtools.build.lib.server.FailureDetails;
 import com.google.devtools.build.lib.server.FailureDetails.FailureDetail;
 import com.google.devtools.build.lib.util.AbruptExitException;
@@ -293,7 +294,9 @@ 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);

src/main/java/com/google/devtools/build/lib/runtime/commands/info/BUILD

@@ -29,6 +29,7 @@ java_library(
         "//src/main/java/com/google/devtools/build/lib/util:string",
         "//src/main/java/com/google/devtools/build/lib/vfs",
         "//src/main/java/com/google/devtools/build/lib/worker:worker_metric",
+        "//src/main/java/com/google/devtools/build/lib/actions:localhost_capacity",
         "//src/main/java/com/google/devtools/common/options",
         "//src/main/java/net/starlark/java/eval",
         "//src/main/protobuf:build_java_proto",

src/main/java/com/google/devtools/build/lib/runtime/commands/info/LocalResourcesInfoItem.java

@@ -0,0 +1,42 @@
+// 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;
+
+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;
+import java.util.List;
+
+/** 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()));
+  }
+}
+