Mercurial > hg > release > thermostat-1.6
view vm-numa/agent/src/main/java/com/redhat/thermostat/vm/numa/agent/internal/VmNumaCollector.java @ 2049:a92d602216ad
Update copyright license headers for 2017
PR3290
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-January/021974.html
author | Andrew Azores <aazores@redhat.com> |
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date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | cb6390cf824b |
children |
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/* * Copyright 2012-2017 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.vm.numa.agent.internal; import java.io.IOException; import java.io.InputStream; import java.text.ParseException; import java.util.logging.Level; import java.util.logging.Logger; import com.redhat.thermostat.common.utils.LoggingUtils; import com.redhat.thermostat.common.utils.StreamUtils; import com.redhat.thermostat.vm.numa.common.VmNumaStat; public class VmNumaCollector { private static final String PROCESS = "numastat"; private static final Logger logger = LoggingUtils.getLogger(VmNumaCollector.class); private final ProcessBuilder processBuilder; private final VmNumaStatParser parser; public VmNumaCollector(int pid) { this.processBuilder = new ProcessBuilder(PROCESS, String.valueOf(pid)); this.parser = new VmNumaStatParser(); } public VmNumaStat collect() throws ParseException { String output = getOutput(); return parser.parse(output); } private String getOutput() { try { Process p = startProcess(); InputStream is = p.getInputStream(); return new String(StreamUtils.readAll(is)); } catch (InterruptedException | IOException e) { logger.log(Level.WARNING, "Unable to run process numastat"); } return ""; } //For testing Process startProcess() throws InterruptedException, IOException { Process p = processBuilder.start(); p.waitFor(); return p; } }