Mercurial > hg > thermostat-ng > agent
view plugins/vm-memory/agent/src/main/java/com/redhat/thermostat/vm/memory/agent/internal/VmMemoryVmListener.java @ 2764:d624d92d95ca
jvm-memory should also collect resident memory
Reviewed-by: stooke
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-September/025132.html
author | Miloslav Zezulka <mzezulka@redhat.com> |
---|---|
date | Wed, 20 Sep 2017 12:23:54 +0200 |
parents | 325ba70eb3c1 |
children | 0633f63d464d |
line wrap: on
line source
/* * 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.memory.agent.internal; import java.util.ArrayList; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import com.redhat.thermostat.common.Clock; import com.redhat.thermostat.common.SystemClock; import com.redhat.thermostat.common.utils.LoggingUtils; import com.redhat.thermostat.jvm.overview.agent.VmUpdate; import com.redhat.thermostat.jvm.overview.agent.VmUpdateException; import com.redhat.thermostat.jvm.overview.agent.VmUpdateListener; import com.redhat.thermostat.vm.memory.agent.internal.models.VmMemoryStatDAO; import com.redhat.thermostat.vm.memory.agent.internal.models.VmTlabStatDAO; import com.redhat.thermostat.vm.memory.agent.model.VmMemoryStat; import com.redhat.thermostat.vm.memory.agent.model.VmMemoryStat.Generation; import com.redhat.thermostat.vm.memory.agent.model.VmMemoryStat.Space; import com.redhat.thermostat.vm.memory.agent.model.VmTlabStat; public class VmMemoryVmListener implements VmUpdateListener { private static final Logger logger = LoggingUtils.getLogger(VmMemoryVmListener.class); private final String vmId; private final int pid; private final VmMemoryStatDAO memDAO; private final VmTlabStatDAO tlabDAO; private final String writerId; private final Clock clock; private boolean error; public VmMemoryVmListener(String writerId, VmMemoryStatDAO vmMemoryStatDao, VmTlabStatDAO vmTlabStatDao, String vmId, int pid) { this(writerId, vmMemoryStatDao, vmTlabStatDao, new SystemClock(), vmId, pid); } public VmMemoryVmListener(String writerId, VmMemoryStatDAO vmMemoryStatDao, VmTlabStatDAO vmTlabStatDao, Clock clock, String vmId, int pid) { this.memDAO = vmMemoryStatDao; this.tlabDAO = vmTlabStatDao; this.clock = clock; this.vmId = vmId; this.writerId = writerId; this.pid = pid; } @Override public void countersUpdated(VmUpdate update) { VmMemoryDataExtractor extractor = new VmMemoryDataExtractor(update); recordMemoryStat(extractor); recordTlabStat(extractor); } void countersUpdated(VmUpdate update, VmMemoryResidentSizeExtractor residentMemoryExtractor) { VmMemoryDataExtractor extractor = new VmMemoryDataExtractor(update); recordMemoryStat(extractor, residentMemoryExtractor); recordTlabStat(extractor); } void recordMemoryStat(VmMemoryDataExtractor extractor) { recordMemoryStat(extractor, VmMemoryResidentSizeExtractorImpl.getInstance()); } void recordMemoryStat(VmMemoryDataExtractor extractor, VmMemoryResidentSizeExtractor residentSizeExtractor) { try { long timestamp = clock.getRealTimeMillis(); long metaspaceMaxCapacity = extractor.getMetaspaceMaxCapacity(VmMemoryStat.UNKNOWN); long metaspaceMinCapacity = extractor.getMetaspaceMinCapacity(VmMemoryStat.UNKNOWN); long metaspaceCapacity = extractor.getMetaspaceCapacity(VmMemoryStat.UNKNOWN); long metaspaceUsed = extractor.getMetaspaceUsed(VmMemoryStat.UNKNOWN); Long maxGenerations = extractor.getTotalGcGenerations(); if (maxGenerations != null) { List<Generation> generations = new ArrayList<Generation>(maxGenerations.intValue()); for (int generation = 0; generation < maxGenerations; generation++) { Generation g = createGeneration(extractor, generation); if (g != null) { Long maxSpaces = extractor.getTotalSpaces(generation); if (maxSpaces != null) { List<Space> spaces = new ArrayList<Space>(maxSpaces.intValue()); for (int space = 0; space < maxSpaces; space++) { Space s = createSpace(extractor, generation, space); if (s != null) { spaces.add(s); } } g.setSpaces(spaces.toArray(new Space[spaces.size()])); generations.add(g); } else { logWarningOnce("Unable to determine number of spaces in generation " + generation + " for VM " + vmId + ". Skipping generation"); } } } Long residentMemory = residentSizeExtractor.getResidentMemorySize(pid); VmMemoryStat stat = new VmMemoryStat(writerId, timestamp, vmId, generations.toArray(new Generation[generations.size()]), metaspaceMaxCapacity, metaspaceMinCapacity, metaspaceCapacity, metaspaceUsed, residentMemory); memDAO.putVmMemoryStat(stat); } else { logWarningOnce("Unable to determine number of generations for VM " + vmId); } } catch (VmUpdateException e) { logger.log(Level.WARNING, "Error gathering memory info for VM " + vmId, e); } } private Generation createGeneration(VmMemoryDataExtractor extractor, int generation) throws VmUpdateException { String name = extractor.getGenerationName(generation); if (name == null) { logWarningOnce("Unable to determine name of generation " + generation + " for VM " + vmId); return null; } Long capacity = extractor.getGenerationCapacity(generation); if (capacity == null) { logWarningOnce("Unable to determine capacity of generation " + generation + " for VM " + vmId); return null; } Long maxCapacity = extractor.getGenerationMaxCapacity(generation); if (maxCapacity == null) { logWarningOnce("Unable to determine max capacity of generation " + generation + " for VM " + vmId); return null; } String collector = extractor.getGenerationCollector(generation); if (collector == null) { logWarningOnce("Unable to determine collector of generation " + generation + " for VM " + vmId); return null; } Generation g = new Generation(); g.setName(name); g.setCapacity(capacity); g.setMaxCapacity(maxCapacity); g.setCollector(collector); return g; } private Space createSpace(VmMemoryDataExtractor extractor, int generation, int space) throws VmUpdateException { String name = extractor.getSpaceName(generation, space); if (name == null) { logWarningOnce("Unable to determine name of space " + space + " in generation " + generation + " for VM " + vmId); return null; } Long capacity = extractor.getSpaceCapacity(generation, space); if (capacity == null) { logWarningOnce("Unable to determine capacity of space " + space + " in generation " + generation + " for VM " + vmId); return null; } Long maxCapacity = extractor.getSpaceMaxCapacity(generation, space); if (maxCapacity == null) { logWarningOnce("Unable to determine max capacity of space " + space + " in generation " + generation + " for VM " + vmId); return null; } Long used = extractor.getSpaceUsed(generation, space); if (used == null) { logWarningOnce("Unable to determine used memory of space " + space + " in generation " + generation + " for VM " + vmId); return null; } Space s = new Space(); s.setIndex(space); s.setName(name); s.setCapacity(capacity); s.setMaxCapacity(maxCapacity); s.setUsed(used); return s; } void recordTlabStat(VmMemoryDataExtractor extractor) { long timestamp = clock.getRealTimeMillis(); long allocatingThreads = extractor.getTlabTotalAllocatingThreads(VmTlabStat.UNKNOWN); long totalAllocations = extractor.getTlabTotalAllocations(VmTlabStat.UNKNOWN); long refills = extractor.getTlabTotalRefills(VmTlabStat.UNKNOWN); long maxRefills = extractor.getTlabMaxRefills(VmTlabStat.UNKNOWN); long slowAllocs = extractor.getTlabTotalSlowAllocs(VmTlabStat.UNKNOWN); long maxSlowAllocs = extractor.getTlabMaxSlowAllocs(VmTlabStat.UNKNOWN); long gcWaste = extractor.getTlabTotalGcWaste(VmTlabStat.UNKNOWN); long maxGcWaste = extractor.getTlabMaxGcWaste(VmTlabStat.UNKNOWN); long slowWaste = extractor.getTlabTotalSlowWaste(VmTlabStat.UNKNOWN); long maxSlowWaste = extractor.getTlabMaxSlowWaste(VmTlabStat.UNKNOWN); long fastWaste = extractor.getTlabTotalFastWaste(VmTlabStat.UNKNOWN); long maxFastWaste = extractor.getTlabMaxFastWaste(VmTlabStat.UNKNOWN); VmTlabStat stat = new VmTlabStat(timestamp, writerId, vmId, allocatingThreads, totalAllocations, refills, maxRefills, slowAllocs, maxSlowAllocs, gcWaste, maxGcWaste, slowWaste, maxSlowWaste, fastWaste, maxFastWaste); tlabDAO.putStat(stat); } private void logWarningOnce(String message) { if (!error) { logger.log(Level.WARNING, message); logger.log(Level.WARNING, "Further warnings will be ignored"); error = true; } } }