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}