| // Copyright 2021 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; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.common.annotations.VisibleForTesting; |
| |
| /** A memory pressure event. */ |
| @AutoValue |
| public abstract class MemoryPressureEvent { |
| public abstract boolean wasManualGc(); |
| |
| public abstract boolean wasGcLockerInitiatedGc(); |
| |
| public abstract boolean wasFullGc(); |
| |
| public abstract long tenuredSpaceUsedBytes(); |
| |
| public abstract long tenuredSpaceMaxBytes(); |
| |
| public final int percentTenuredSpaceUsed() { |
| return (int) ((tenuredSpaceUsedBytes() * 100L) / tenuredSpaceMaxBytes()); |
| } |
| |
| @VisibleForTesting |
| public static Builder newBuilder() { |
| return new AutoValue_MemoryPressureEvent.Builder() |
| .setWasManualGc(false) |
| .setWasGcLockerInitiatedGc(false) |
| .setWasFullGc(false); |
| } |
| |
| /** A memory pressure event builder. */ |
| @VisibleForTesting |
| @AutoValue.Builder |
| public abstract static class Builder { |
| public abstract Builder setWasManualGc(boolean value); |
| |
| public abstract Builder setWasGcLockerInitiatedGc(boolean value); |
| |
| public abstract Builder setWasFullGc(boolean value); |
| |
| public abstract Builder setTenuredSpaceUsedBytes(long value); |
| |
| public abstract Builder setTenuredSpaceMaxBytes(long value); |
| |
| public abstract MemoryPressureEvent build(); |
| } |
| } |