1 /*
   2  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.events;
  27 
  28 import jdk.jfr.*;
  29 import jdk.jfr.internal.Type;
  30 
  31 @Name(Type.EVENT_NAME_PREFIX + "DirectMemoryStatistics")
  32 @Label("Direct Memory Statistics")
  33 @Category({ "Java Application", "Statistics" })
  34 @Description("Statistics of direct memory")
  35 public final class DirectMemoryStatisticsEvent extends AbstractJDKEvent {
  36 
  37     @Label("Count")
  38     public long count;
  39 
  40     @Label("Total Capacity")
  41     @DataAmount
  42     public long totalCapacity;
  43 
  44     @Label("Memory Used")
  45     @DataAmount
  46     public long memoryUsed;
  47 
  48     @Label("Maximum Capacity")
  49     @Description("Maximum direct memory capacity the process can use")
  50     @DataAmount
  51     public long maxCapacity;
  52 }