001/*
002 * (C) Copyright 2016 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Stephane Lacoin at Nuxeo (aka matic)
016 */
017package org.nuxeo.connect.tools.report.management;
018
019import java.io.OutputStream;
020import java.util.Collections;
021
022import org.nuxeo.connect.tools.report.ReportWriter;
023
024/**
025 * VM class histogram report.
026 *
027 * @since 8.3
028 */
029public class MxClassHistogramReport implements ReportWriter {
030
031    @Override
032    public void write(OutputStream output) {
033        MXComponent.instance.exec("com.sun.management:type=DiagnosticCommand", "gcClassHistogram", Collections.emptyList())
034                .run(output);
035    }
036}