Mercurial > hg > shenandoah-visualizer
view src/main/java/org/openjdk/shenandoah/RegionStat.java @ 26:da66467f2884
Refactoring.
author | shade |
---|---|
date | Thu, 11 May 2017 19:29:06 +0200 |
parents | 0aaf8f291161 |
children | e22defb2a606 |
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package org.openjdk.shenandoah; import java.awt.*; import java.util.BitSet; import java.util.EnumSet; import static org.openjdk.shenandoah.Colors.*; public class RegionStat { private static final int PERCENT_MASK = 0x7f; private static final int FLAGS_MASK = 0x3f; private static final int USED_SHIFT = 0; private static final int LIVE_SHIFT = 7; private static final int TLAB_SHIFT = 14; private static final int GCLAB_SHIFT = 21; private static final int FLAGS_SHIFT = 58; private final EnumSet<RegionFlag> flags; private final BitSet incoming; private final float liveLvl; private final float usedLvl; private final float tlabLvl; private final float gclabLvl; public RegionStat(float usedLvl, float liveLvl, float tlabLvl, float gclabLvl, EnumSet<RegionFlag> flags) { this.incoming = null; this.usedLvl = usedLvl; this.liveLvl = liveLvl; this.tlabLvl = tlabLvl; this.gclabLvl = gclabLvl; this.flags = flags; } public RegionStat(long data, String matrix) { usedLvl = ((data >>> USED_SHIFT) & PERCENT_MASK) / 100F; liveLvl = ((data >>> LIVE_SHIFT) & PERCENT_MASK) / 100F; tlabLvl = ((data >>> TLAB_SHIFT) & PERCENT_MASK) / 100F; gclabLvl = ((data >>> GCLAB_SHIFT) & PERCENT_MASK) / 100F; long stat = (data >>> FLAGS_SHIFT) & FLAGS_MASK; flags = EnumSet.noneOf(RegionFlag.class); if ((stat & 1) > 0) flags.add(RegionFlag.UNUSED); if ((stat & 2) > 0) flags.add(RegionFlag.IN_COLLECTION_SET); if ((stat & 4) > 0) flags.add(RegionFlag.HUMONGOUS); if ((stat & 8) > 0) flags.add(RegionFlag.PINNED); if (!matrix.isEmpty()) { this.incoming = new BitSet(); int idx = 0; for (char c : matrix.toCharArray()) { c = (char) (c - 32); incoming.set(idx++, (c & (1 << 0)) > 0); incoming.set(idx++, (c & (1 << 1)) > 0); incoming.set(idx++, (c & (1 << 2)) > 0); incoming.set(idx++, (c & (1 << 3)) > 0); incoming.set(idx++, (c & (1 << 4)) > 0); incoming.set(idx++, (c & (1 << 5)) > 0); } } else { this.incoming = null; } } public void render(Graphics g, int x, int y, int width, int height) { g.setColor(Color.WHITE); g.fillRect(x, y, width, height); int usedWidth = (int) (width * usedLvl); g.setColor(USED); g.fillRect(x, y, usedWidth, height); if (gclabLvl > 0 || tlabLvl > 0) { int tlabWidth = (int) (width * tlabLvl); int gclabWidth = (int) (width * gclabLvl); g.setColor(TLAB_ALLOC); g.fillRect(x, y, tlabWidth, height); g.setColor(TLAB_ALLOC_BORDER); g.drawLine(x + tlabWidth, y, x + tlabWidth, y + height); int lx = x + tlabWidth; g.setColor(GCLAB_ALLOC); g.fillRect(lx, y, gclabWidth, height); g.setColor(GCLAB_ALLOC_BORDER); g.drawLine(lx + gclabWidth, y, lx + gclabWidth, y + height); } else { int liveWidth = (int) (width * liveLvl); g.setColor(LIVE); g.fillRect(x, y, liveWidth, height); g.setColor(LIVE_BORDER); g.drawLine(x + liveWidth, y, x + liveWidth, y + height); } if (flags.contains(RegionFlag.IN_COLLECTION_SET)) { g.setColor(Colors.CSET); g.fillRect(x, y, width, height / 3); g.setColor(Color.BLACK); g.drawRect(x, y, width, height / 3); } if (flags.contains(RegionFlag.HUMONGOUS)) { g.setColor(Colors.HUMONGOUS); g.fillRect(x, y, width, height / 3); g.setColor(Color.BLACK); g.drawRect(x, y, width, height / 3); } if (flags.contains(RegionFlag.UNUSED)) { g.setColor(Color.BLACK); g.drawLine(x, y, x + width, y + height); g.drawLine(x, y + height, x + width, y); } if (flags.contains(RegionFlag.PINNED)) { g.setColor(Color.RED); g.fillOval(x + width/2, y + height/2, width/4, height/4); } g.setColor(Color.BLACK); g.drawRect(x, y, width, height); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; RegionStat that = (RegionStat) o; if (Float.compare(that.liveLvl, liveLvl) != 0) return false; if (Float.compare(that.usedLvl, usedLvl) != 0) return false; if (Float.compare(that.tlabLvl, tlabLvl) != 0) return false; if (Float.compare(that.gclabLvl, gclabLvl) != 0) return false; if (!flags.equals(that.flags)) return false; return incoming != null ? incoming.equals(that.incoming) : that.incoming == null; } @Override public int hashCode() { int result = flags.hashCode(); result = 31 * result + (incoming != null ? incoming.hashCode() : 0); result = 31 * result + (liveLvl != +0.0f ? Float.floatToIntBits(liveLvl) : 0); result = 31 * result + (usedLvl != +0.0f ? Float.floatToIntBits(usedLvl) : 0); result = 31 * result + (tlabLvl != +0.0f ? Float.floatToIntBits(tlabLvl) : 0); result = 31 * result + (gclabLvl != +0.0f ? Float.floatToIntBits(gclabLvl) : 0); return result; } public float live() { return liveLvl; } public float used() { return usedLvl; } public float tlabAllocs() { return tlabLvl; } public float gclabAllocs() { return gclabLvl; } public EnumSet<RegionFlag> flags() { return flags; } public BitSet incoming() { return incoming; } }