Mercurial > hg > release > thermostat-0.11
view vm-heap-analysis/client-core/src/main/java/com/redhat/thermostat/vm/heap/analysis/client/core/internal/HeapDumpController.java @ 1131:9917555955a0
Heap Dumper refactoring
reviewed-by: vanaltj
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-June/006924.html
author | Mario Torre <neugens.limasoftware@gmail.com> |
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date | Wed, 05 Jun 2013 20:26:44 +0200 |
parents | edb423d5d5a0 |
children | c70ab9ec00f5 |
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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.vm.heap.analysis.client.core.internal; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.concurrent.TimeUnit; import com.redhat.thermostat.client.core.controllers.InformationServiceController; import com.redhat.thermostat.client.core.views.BasicView.Action; import com.redhat.thermostat.client.core.views.UIComponent; import com.redhat.thermostat.common.ActionEvent; import com.redhat.thermostat.common.ActionListener; import com.redhat.thermostat.common.ApplicationService; import com.redhat.thermostat.common.NotImplementedException; import com.redhat.thermostat.common.Size; import com.redhat.thermostat.common.Timer; import com.redhat.thermostat.common.Timer.SchedulingType; import com.redhat.thermostat.common.cli.CommandException; import com.redhat.thermostat.shared.locale.LocalizedString; import com.redhat.thermostat.shared.locale.Translate; import com.redhat.thermostat.storage.core.VmRef; import com.redhat.thermostat.storage.dao.VmInfoDAO; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapDumpDetailsViewProvider; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapDumpListViewProvider; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapHistogramViewProvider; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapView; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapView.DumpDisabledReason; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapView.HeapDumperAction; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapViewProvider; import com.redhat.thermostat.vm.heap.analysis.client.core.ObjectDetailsViewProvider; import com.redhat.thermostat.vm.heap.analysis.client.core.ObjectRootsViewProvider; import com.redhat.thermostat.vm.heap.analysis.client.core.chart.OverviewChart; import com.redhat.thermostat.vm.heap.analysis.client.locale.LocaleResources; import com.redhat.thermostat.vm.heap.analysis.common.HeapDAO; import com.redhat.thermostat.vm.heap.analysis.common.HeapDump; import com.redhat.thermostat.vm.heap.analysis.common.model.HeapInfo; import com.redhat.thermostat.vm.memory.common.VmMemoryStatDAO; import com.redhat.thermostat.vm.memory.common.model.VmMemoryStat; import com.redhat.thermostat.vm.memory.common.model.VmMemoryStat.Generation; import com.redhat.thermostat.vm.memory.common.model.VmMemoryStat.Space; public class HeapDumpController implements InformationServiceController<VmRef> { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private final VmMemoryStatDAO vmDao; private final VmRef ref; private final HeapDAO heapDAO; private HeapView view; private final Timer timer; private OverviewChart model; private ApplicationService appService; private HeapDumpDetailsViewProvider detailsViewProvider; private HeapHistogramViewProvider histogramViewProvider; private ObjectDetailsViewProvider objectDetailsViewProvider; private ObjectRootsViewProvider objectRootsViewProvider; private HeapDumpListViewProvider heapDumpListViewProvider; public HeapDumpController(final VmMemoryStatDAO vmMemoryStatDao, final VmInfoDAO vmInfoDao, final HeapDAO heapDao, final VmRef ref, final ApplicationService appService, HeapViewProvider viewProvider, HeapDumpDetailsViewProvider detailsViewProvider, HeapHistogramViewProvider histogramProvider, ObjectDetailsViewProvider objectDetailsProvider, ObjectRootsViewProvider objectRootsProvider, HeapDumpListViewProvider heapDumpListViewProvider) { this(vmMemoryStatDao, vmInfoDao, heapDao, ref, appService, viewProvider, detailsViewProvider, histogramProvider, objectDetailsProvider, objectRootsProvider, heapDumpListViewProvider, new HeapDumper(ref)); } HeapDumpController(final VmMemoryStatDAO vmMemoryStatDao, final VmInfoDAO vmInfoDao, final HeapDAO heapDao, final VmRef ref, final ApplicationService appService, HeapViewProvider viewProvider, HeapDumpDetailsViewProvider detailsViewProvider, HeapHistogramViewProvider histogramProvider, ObjectDetailsViewProvider objectDetailsProvider, ObjectRootsViewProvider objectRootsProvider, HeapDumpListViewProvider heapDumpListViewProvider, final HeapDumper heapDumper) { this.objectDetailsViewProvider = objectDetailsProvider; this.objectRootsViewProvider = objectRootsProvider; this.histogramViewProvider = histogramProvider; this.detailsViewProvider = detailsViewProvider; this.appService = appService; this.ref = ref; this.vmDao = vmMemoryStatDao; this.heapDAO = heapDao; this.heapDumpListViewProvider = heapDumpListViewProvider; model = new OverviewChart( null, translator.localize(LocaleResources.HEAP_CHART_TIME_AXIS).getContents(), translator.localize(LocaleResources.HEAP_CHART_HEAP_AXIS).getContents(), translator.localize(LocaleResources.HEAP_CHART_CAPACITY).getContents(), translator.localize(LocaleResources.HEAP_CHART_USED).getContents()); timer = appService.getTimerFactory().createTimer(); timer.setAction(new HeapOverviewDataCollector()); timer.setInitialDelay(0); timer.setDelay(1000); model.setRange(1800); timer.setTimeUnit(TimeUnit.MILLISECONDS); timer.setSchedulingType(SchedulingType.FIXED_RATE); view = viewProvider.createView(); view.setModel(model); HeapDump dump = null; view.clearHeapDumpList(); Collection<HeapInfo> infos = heapDAO.getAllHeapInfo(ref); for (HeapInfo info : infos) { dump = new HeapDump(info, heapDAO); view.addHeapDump(dump); } // check if we were reading some of the dumps dump = (HeapDump) appService.getApplicationCache().getAttribute(ref); if (dump != null && infos.contains(dump.getInfo())) { showHeapDumpDetails(dump); } view.addActionListener(new ActionListener<Action>() { @Override public void actionPerformed(ActionEvent<Action> actionEvent) { switch (actionEvent.getActionId()) { case HIDDEN: timer.stop(); break; case VISIBLE: timer.start(); break; default: throw new NotImplementedException("unknown event: " + actionEvent.getActionId()); } } }); view.addDumperListener(new ActionListener<HeapView.HeapDumperAction>() { @Override public void actionPerformed(ActionEvent<HeapDumperAction> actionEvent) { HeapDump dump = null; switch (actionEvent.getActionId()) { case DUMP_REQUESTED: view.disableHeapDumping(DumpDisabledReason.DUMP_IN_PROGRESS); requestDump(heapDumper); break; case REQUEST_DISPLAY_DUMP_LIST: openDumpList(); break; case ANALYSE: dump = (HeapDump) actionEvent.getPayload(); analyseDump(dump); break; default: break; } } }); boolean vmIsAlive = vmInfoDao.getVmInfo(ref).isAlive(); if (!vmIsAlive) { view.disableHeapDumping(DumpDisabledReason.PROCESS_DEAD); } } private void openDumpList() { appService.getApplicationExecutor().execute(new Runnable() { @Override public void run() { List<HeapDump> dumps = getHeapDumps(); HeapDumpListController controller = new HeapDumpListController(heapDumpListViewProvider, HeapDumpController.this); controller.setDumps(dumps); view.openDumpListView(controller.getView()); } }); } private void requestDump(final HeapDumper heapDumper) { appService.getApplicationExecutor().execute(new Runnable() { @Override public void run() { try { heapDumper.dump(); view.enableHeapDumping(); view.notifyHeapDumpComplete(); } catch (CommandException e) { view.displayWarning(e.getTranslatedMessage()); } } }); } void analyseDump(final HeapDump dump) { appService.getApplicationExecutor().execute(new Runnable() { @Override public void run() { showHeapDumpDetails(dump); appService.getApplicationCache().addAttribute(ref, dump); } }); } private void showHeapDumpDetails(HeapDump dump) { HeapDumpDetailsController controller = new HeapDumpDetailsController(appService, detailsViewProvider, histogramViewProvider, objectDetailsViewProvider, objectRootsViewProvider); controller.setDump(dump); view.setActiveDump(dump); view.setChildView(controller.getView()); view.openDumpView(); } @Override public UIComponent getView() { return view; } @Override public LocalizedString getLocalizedName() { return translator.localize(LocaleResources.HEAP_SECTION_TITLE); } private List<HeapDump> getHeapDumps() { Collection<HeapInfo> heapInfos = heapDAO.getAllHeapInfo(ref); List<HeapDump> heapDumps = new ArrayList<HeapDump>(heapInfos.size()); for (HeapInfo heapInfo : heapInfos) { heapDumps.add(new HeapDump(heapInfo, heapDAO)); } return heapDumps; } class HeapOverviewDataCollector implements Runnable { private long desiredUpdateTimeStamp = System.currentTimeMillis() - TimeUnit.HOURS.toMillis(1); @Override public void run() { checkForHeapDumps(); updateMemoryChartAndDisplay(); } private void checkForHeapDumps() { view.updateHeapDumpList(getHeapDumps()); } private void updateMemoryChartAndDisplay() { List<VmMemoryStat> vmInfo = null; vmInfo = vmDao.getLatestVmMemoryStats(ref, desiredUpdateTimeStamp); for (VmMemoryStat memoryStats: vmInfo) { long used = 0l; long capacity = 0l; Generation[] generations = memoryStats.getGenerations(); for (Generation generation : generations) { // non heap if (generation.getName().equals("perm")) { continue; } Space[] spaces = generation.getSpaces(); for (Space space: spaces) { used += space.getUsed(); capacity += space.getCapacity(); } } model.addData(memoryStats.getTimeStamp(), used, capacity); String _used = Size.bytes(used).toString(); String _capacity= Size.bytes(capacity).toString(); view.updateUsedAndCapacity(_used, _capacity); desiredUpdateTimeStamp = Math.max(desiredUpdateTimeStamp, memoryStats.getTimeStamp()); } model.notifyListenersOfModelChange(); } } }