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1   /*
2    * Copyright 2025 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.buffer;
17  
18  import jdk.jfr.Description;
19  import jdk.jfr.Label;
20  import jdk.jfr.Name;
21  
22  @SuppressWarnings("Since15")
23  @Label("Chunk Free")
24  @Name("FreeChunkEvent")
25  @Description("Triggered when a memory chunk is freed from an allocator")
26  final class FreeChunkEvent extends AbstractChunkEvent {
27      private static final FreeChunkEvent INSTANCE = new FreeChunkEvent();
28  
29      /**
30       * Statically check if this event is enabled.
31       */
32      public static boolean isEventEnabled() {
33          return INSTANCE.isEnabled();
34      }
35  
36      @Description("Was this chunk pooled, or was it a one-off allocation for a single buffer?")
37      public boolean pooled;
38  }