Mercurial > hg > thermostat
view vm-shenandoah/client-swing/src/main/java/com/redhat/thermostat/vm/shenandoah/client/swing/internal/Snapshot.java @ 2617:f06bab050620
Add vm-shenandoah plugin
Provides a shenandoahvisualizer-based visualization of memory regions and GC
status for Shenandoah.
See http://icedtea.classpath.org/people/rkennke/shenandoahvisualizer
Reviewed-by: jkang
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-March/022332.html
author | Andrew Azores <aazores@redhat.com> |
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date | Mon, 06 Mar 2017 09:38:30 -0500 |
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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.shenandoah.client.swing.internal; import java.util.List; import java.util.Objects; public class Snapshot { private final long time; private final long regionSize; private final List<RegionStat> stats; private final boolean isMarking; private final boolean isEvacuating; public Snapshot(long time, long regionSize, List<RegionStat> stats, boolean isMarking, boolean isEvacuating) { this.time = time; this.regionSize = regionSize; this.stats = stats; this.isMarking = isMarking; this.isEvacuating = isEvacuating; } public boolean isMarking() { return isMarking; } public boolean isEvacuating() { return isEvacuating; } public RegionStat get(int i) { return stats.get(i); } public long time() { return time; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Snapshot snapshot = (Snapshot) o; if (time != snapshot.time) return false; if (isMarking != snapshot.isMarking) return false; if (isEvacuating != snapshot.isEvacuating) return false; return Objects.equals(stats, snapshot.stats); } @Override public int hashCode() { int result = (int) (time ^ (time >>> 32)); result = 31 * result + (stats != null ? stats.hashCode() : 0); result = 31 * result + (isMarking ? 1 : 0); result = 31 * result + (isEvacuating ? 1 : 0); return result; } public int regionCount() { return stats.size(); } public long total() { return regionSize * regionCount(); } public long used() { long used = 0L; for (RegionStat rs : stats) { used += regionSize * rs.used(); } return used; } public long recentlyAllocated() { long used = 0L; for (RegionStat rs : stats) { if (rs.flags().contains(RegionFlag.RECENTLY_ALLOCATED)) { used += regionSize * rs.used(); } } return used; } public long collectionSet() { long used = 0L; for (RegionStat rs : stats) { if (rs.flags().contains(RegionFlag.IN_COLLECTION_SET)) { used += regionSize * rs.used(); } } return used; } public long humongous() { long used = 0L; for (RegionStat rs : stats) { if (rs.flags().contains(RegionFlag.HUMONGOUS)) { used += regionSize * rs.used(); } } return used; } public long live() { long live = 0L; for (RegionStat rs : stats) { live += regionSize * rs.live(); } return live; } }