Mercurial > hg > release > thermostat-1.4
view vm-memory/client-core/src/main/java/com/redhat/thermostat/vm/memory/client/core/internal/MemoryStatsController.java @ 1812:5db8eb6c7811
Disable "Perform GC" and "Heap Dump" buttons while action in progress
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-September/016405.html
PR2647
author | Andrew Azores <aazores@redhat.com> |
---|---|
date | Thu, 24 Sep 2015 13:28:06 -0400 |
parents | 01aa6d4925fe |
children | b1ec95a6f5b6 |
line wrap: on
line source
/* * Copyright 2012-2015 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.client.core.internal; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.TimeUnit; import com.redhat.thermostat.client.core.controllers.InformationServiceController; import com.redhat.thermostat.client.core.experimental.Duration; import com.redhat.thermostat.client.core.experimental.TimeRangeController; 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.command.Request; import com.redhat.thermostat.common.command.RequestResponseListener; import com.redhat.thermostat.common.command.Response; import com.redhat.thermostat.common.command.Response.ResponseType; import com.redhat.thermostat.common.model.Range; import com.redhat.thermostat.gc.remote.common.GCRequest; import com.redhat.thermostat.gc.remote.common.command.GCAction; 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.AgentInfoDAO; import com.redhat.thermostat.storage.dao.VmInfoDAO; import com.redhat.thermostat.vm.memory.client.core.MemoryStatsView; import com.redhat.thermostat.vm.memory.client.core.MemoryStatsViewProvider; import com.redhat.thermostat.vm.memory.client.core.Payload; import com.redhat.thermostat.vm.memory.client.core.StatsModel; import com.redhat.thermostat.vm.memory.client.locale.LocaleResources; 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 MemoryStatsController implements InformationServiceController<VmRef> { private static final Translate<LocaleResources> translate = LocaleResources.createLocalizer(); private static final MemoryStatsView.Duration defaultDuration = new MemoryStatsView.Duration(10, TimeUnit.MINUTES); private final MemoryStatsView view; private final VmMemoryStatDAO vmDao; private final VmRef ref; private final Timer timer; private final Map<String, Payload> regions; private VMCollector collector; private Duration userDesiredDuration = new Duration(defaultDuration.value, defaultDuration.unit); private TimeRangeController<VmMemoryStat, VmRef> timeRangeController; class VMCollector implements Runnable { private long desiredUpdateTimeStamp = System.currentTimeMillis() - defaultDuration.getMilliseconds(); @Override public void run() { VmMemoryStat oldest = vmDao.getOldestMemoryStat(ref); VmMemoryStat newest = vmDao.getNewestMemoryStat(ref); Range<Long> newAvailableRange = new Range<>(oldest.getTimeStamp(), newest.getTimeStamp()); TimeRangeController.StatsSupplier<VmMemoryStat, VmRef> statsSupplier = new TimeRangeController.StatsSupplier<VmMemoryStat, VmRef>() { @Override public List<VmMemoryStat> getStats(VmRef ref, long since, long to) { return vmDao.getVmMemoryStats(ref, since, to); } }; TimeRangeController.SingleArgRunnable<VmMemoryStat> runnable = new TimeRangeController.SingleArgRunnable<VmMemoryStat>() { @Override public void run(VmMemoryStat arg) { update(arg); } }; timeRangeController.update(userDesiredDuration, newAvailableRange, statsSupplier, ref, runnable); } private void update(VmMemoryStat memoryStats) { Generation[] generations = memoryStats.getGenerations(); for (Generation generation : generations) { updateGeneration(generation, memoryStats.getTimeStamp()); } } private void updateGeneration(Generation generation, long timeStamp) { Space[] spaces = generation.getSpaces(); for (Space space: spaces) { updateSpace(space, timeStamp); } } private void updateSpace(Space space, long timeStamp) { Payload payload = getPayload(space.getName()); updatePayloadModel(payload, timeStamp, space.getUsed()); setPayloadFields(payload, space.getUsed(), space.getCapacity(), space.getMaxCapacity()); updateViewAndRegion(payload); desiredUpdateTimeStamp = Math.max(desiredUpdateTimeStamp, timeStamp); } private void updateViewAndRegion(Payload payload) { if (regions.containsKey(payload.getName())) { view.updateRegion(payload.clone()); } else { view.addRegion(payload.clone()); regions.put(payload.getName(), payload); } view.requestRepaint(); } private void updatePayloadModel(Payload payload, long timeStamp, long used) { StatsModel model = payload.getModel(); if (model == null) { model = new StatsModel(defaultDuration.getMilliseconds()); model.setName(payload.getName()); } // normalize this always in the same unit model.addData(timeStamp, Size.bytes(used).convertTo(Size.Unit.MiB).getValue()); payload.setModel(model); } private Payload getPayload(String payloadName) { Payload payload = regions.get(payloadName); if (payload == null) { payload = new Payload(); payload.setName(payloadName); } return payload; } public void setPayloadFields(Payload payload, long used, long capacity, long maxCapacity) { Size.Unit usedScale = bestUnitForRange(used, capacity); double usedSpace = Size.bytes(used).convertTo(usedScale).getValue(); double maxUsed = Size.bytes(capacity).convertTo(usedScale).getValue(); payload.setUsed(usedSpace); payload.setMaxUsed(maxUsed); payload.setUsedUnit(usedScale); Size.Unit maxScale = bestUnitForRange(capacity, maxCapacity); double capacitySpace = Size.bytes(capacity).convertTo(maxScale).getValue(); double maxCapacitySpace = Size.bytes(maxCapacity).convertTo(maxScale).getValue(); payload.setCapacity(capacitySpace); payload.setMaxCapacity(maxCapacitySpace); payload.setCapacityUnit(maxScale); String tooltip = payload.getName() + ": used: " + String.format("%.2f", usedSpace) + " " + usedScale + ", capacity: " + String.format("%.2f", capacitySpace) + " " + maxScale + ", max capacity: " + String.format("%.2f", maxCapacitySpace) + " " + maxScale; payload.setTooltip(tooltip); } } public MemoryStatsController(ApplicationService appSvc, final VmInfoDAO vmInfoDao, final VmMemoryStatDAO vmMemoryStatDao, final VmRef ref, MemoryStatsViewProvider viewProvider, final AgentInfoDAO agentDAO, final GCRequest gcRequest) { regions = new HashMap<>(); this.ref = ref; vmDao = vmMemoryStatDao; view = viewProvider.createView(); timer = appSvc.getTimerFactory().createTimer(); collector = new VMCollector(); timer.setAction(collector); timer.setInitialDelay(0); timer.setDelay(1000); timer.setTimeUnit(TimeUnit.MILLISECONDS); timer.setSchedulingType(SchedulingType.FIXED_RATE); view.addActionListener(new ActionListener<Action>() { @Override public void actionPerformed(ActionEvent<Action> actionEvent) { switch(actionEvent.getActionId()) { case HIDDEN: stop(); break; case VISIBLE: start(); break; default: throw new NotImplementedException("unknown event: " + actionEvent.getActionId()); } } }); view.addUserActionListener(new ActionListener<MemoryStatsView.UserAction>() { @Override public void actionPerformed(ActionEvent<MemoryStatsView.UserAction> e) { switch (e.getActionId()) { case USER_CHANGED_TIME_RANGE: MemoryStatsView.Duration duration = (MemoryStatsView.Duration) e.getPayload(); for (Map.Entry<String, Payload> entry : regions.entrySet()) { Payload p = entry.getValue(); StatsModel model = p.getModel(); if (model != null) { model.setTimeRangeToShow(duration.value, duration.unit); } } break; default: throw new AssertionError("Unhandled action type: " + e.getActionId()); } } }); view.addGCActionListener(new ActionListener<GCAction>() { @Override public void actionPerformed(ActionEvent<GCAction> actionEvent) { RequestResponseListener listener = new RequestResponseListener() { @Override public void fireComplete(Request request, Response response) { view.setEnableGCAction(true); if (response.getType() == ResponseType.ERROR) { view.displayWarning(translate.localize( LocaleResources.ERROR_PERFORMING_GC, ref.getHostRef().getAgentId(), ref.getVmId())); } } }; view.setEnableGCAction(false); gcRequest.sendGCRequestToAgent(ref, agentDAO, listener); } }); if (!vmInfoDao.getVmInfo(ref).isAlive()) { view.setEnableGCAction(false); } timeRangeController = new TimeRangeController<>(); } // for testing VMCollector getCollector() { return collector; }; Map<String, Payload> getRegions() { return regions; } private Size.Unit bestUnitForRange(long min, long max) { // FIXME: this is very dumb and very inefficient // needs cleanup Size.Unit minScale = Size.Unit.getBestUnit(min); Size.Unit maxScale = Size.Unit.getBestUnit(max); Size.Unit[] scales = Size.Unit.values(); int maxID = 0; int minID = 0; for (int i = 0; i < scales.length; i++) { if (scales[i] == minScale) { minID = i; } if (scales[i] == maxScale) { maxID = i; } } while (maxID - minID >= 2) { minID++; } return scales[minID]; } private void start() { timer.start(); } private void stop() { timer.stop(); } @Override public LocalizedString getLocalizedName() { return translate.localize(LocaleResources.VM_INFO_TAB_MEMORY); } @Override public UIComponent getView() { return (UIComponent) view; } }