Mercurial > hg > release > thermostat-0.5
view numa/agent/src/main/java/com/redhat/thermostat/numa/agent/internal/NumaBackend.java @ 929:ccac9bcabaa0
Update copyright year of source code
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-January/005295.html
reviewed-by: vanaltj
author | Mario Torre <neugens.limasoftware@gmail.com> |
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date | Wed, 23 Jan 2013 16:49:27 +0100 |
parents | 8a6697503832 |
children |
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/* * Copyright 2012, 2013 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.numa.agent.internal; import java.io.IOException; import java.util.concurrent.TimeUnit; import java.util.logging.Level; import java.util.logging.Logger; import com.redhat.thermostat.backend.Backend; import com.redhat.thermostat.backend.BackendID; import com.redhat.thermostat.backend.BackendsProperties; import com.redhat.thermostat.common.ApplicationService; import com.redhat.thermostat.common.Timer; import com.redhat.thermostat.common.Timer.SchedulingType; import com.redhat.thermostat.common.TimerFactory; import com.redhat.thermostat.common.Version; import com.redhat.thermostat.numa.common.NumaDAO; import com.redhat.thermostat.numa.common.NumaNodeStat; import com.redhat.thermostat.numa.common.NumaStat; public class NumaBackend extends Backend { private static final Logger log = Logger.getLogger(NumaBackend.class.getName()); private static final long NUMA_CHECK_INTERVAL_SECONDS = 1; private NumaDAO numaDAO; private ApplicationService appService; private boolean started; private NumaCollector numaCollector; private Timer timer; public NumaBackend(ApplicationService appService, NumaDAO numaDAO, NumaCollector numaCollector, Version version) { super(new BackendID("NUMA Backend", NumaBackend.class.getName())); this.appService = appService; this.numaDAO = numaDAO; this.numaCollector = numaCollector; setConfigurationValue(BackendsProperties.VENDOR.name(), "Red Hat, Inc."); setConfigurationValue(BackendsProperties.DESCRIPTION.name(), "Gathers NUMA statistics about a host"); setConfigurationValue(BackendsProperties.VERSION.name(), version.getVersionNumber()); } @Override public boolean activate() { int numNodes = numaCollector.getNumberOfNumaNodes(); numaDAO.putNumberOfNumaNodes(numNodes); TimerFactory timerFactory = appService.getTimerFactory(); timer = timerFactory.createTimer(); timer.setDelay(NUMA_CHECK_INTERVAL_SECONDS); timer.setInitialDelay(0); timer.setSchedulingType(SchedulingType.FIXED_RATE); timer.setTimeUnit(TimeUnit.SECONDS); timer.setAction(new Runnable() { @Override public void run() { NumaNodeStat[] stats; try { stats = numaCollector.collectData(); NumaStat numaStat = new NumaStat(); numaStat.setTimeStamp(System.currentTimeMillis()); numaStat.setNodeStats(stats); numaDAO.putNumaStat(numaStat); } catch (IOException e) { log.log(Level.WARNING, e.getMessage(), e); } } }); timer.start(); started = true; return true; } @Override public boolean deactivate() { started = false; timer.stop(); return true; } @Override public boolean isActive() { return started; } @Override public boolean attachToNewProcessByDefault() { return false; } @Override public int getOrderValue() { return ORDER_CPU_GROUP; } }