286 lines
9.8 KiB
Java
286 lines
9.8 KiB
Java
package net.minecraft.util.profiling.jfr;
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import com.mojang.logging.LogUtils;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.net.SocketAddress;
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import java.net.URL;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.text.ParseException;
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import java.time.Instant;
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import java.time.ZoneId;
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import java.time.format.DateTimeFormatter;
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import java.time.format.DateTimeFormatterBuilder;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import jdk.jfr.Configuration;
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import jdk.jfr.Event;
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import jdk.jfr.FlightRecorder;
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import jdk.jfr.FlightRecorderListener;
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import jdk.jfr.Recording;
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import jdk.jfr.RecordingState;
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import net.minecraft.FileUtil;
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import net.minecraft.SharedConstants;
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import net.minecraft.Util;
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import net.minecraft.core.Holder;
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import net.minecraft.network.ConnectionProtocol;
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import net.minecraft.network.protocol.PacketType;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.util.profiling.jfr.callback.ProfiledDuration;
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import net.minecraft.util.profiling.jfr.event.ChunkGenerationEvent;
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import net.minecraft.util.profiling.jfr.event.ChunkRegionReadEvent;
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import net.minecraft.util.profiling.jfr.event.ChunkRegionWriteEvent;
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import net.minecraft.util.profiling.jfr.event.NetworkSummaryEvent;
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import net.minecraft.util.profiling.jfr.event.PacketReceivedEvent;
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import net.minecraft.util.profiling.jfr.event.PacketSentEvent;
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import net.minecraft.util.profiling.jfr.event.ServerTickTimeEvent;
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import net.minecraft.util.profiling.jfr.event.StructureGenerationEvent;
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import net.minecraft.util.profiling.jfr.event.WorldLoadFinishedEvent;
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import net.minecraft.util.profiling.jfr.event.NetworkSummaryEvent.SumAggregation;
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import net.minecraft.world.level.ChunkPos;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.chunk.storage.RegionFileVersion;
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import net.minecraft.world.level.chunk.storage.RegionStorageInfo;
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import net.minecraft.world.level.levelgen.structure.Structure;
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import org.jetbrains.annotations.Nullable;
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import org.slf4j.Logger;
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public class JfrProfiler implements JvmProfiler {
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private static final Logger LOGGER = LogUtils.getLogger();
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public static final String ROOT_CATEGORY = "Minecraft";
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public static final String WORLD_GEN_CATEGORY = "World Generation";
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public static final String TICK_CATEGORY = "Ticking";
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public static final String NETWORK_CATEGORY = "Network";
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public static final String STORAGE_CATEGORY = "Storage";
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private static final List<Class<? extends Event>> CUSTOM_EVENTS = List.of(
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ChunkGenerationEvent.class,
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ChunkRegionReadEvent.class,
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ChunkRegionWriteEvent.class,
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PacketReceivedEvent.class,
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PacketSentEvent.class,
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NetworkSummaryEvent.class,
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ServerTickTimeEvent.class,
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StructureGenerationEvent.class,
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WorldLoadFinishedEvent.class
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);
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private static final String FLIGHT_RECORDER_CONFIG = "/flightrecorder-config.jfc";
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private static final DateTimeFormatter DATE_TIME_FORMATTER = new DateTimeFormatterBuilder()
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.appendPattern("yyyy-MM-dd-HHmmss")
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.toFormatter()
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.withZone(ZoneId.systemDefault());
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private static final JfrProfiler INSTANCE = new JfrProfiler();
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@Nullable
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Recording recording;
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private float currentAverageTickTime;
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private final Map<String, SumAggregation> networkTrafficByAddress = new ConcurrentHashMap();
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private JfrProfiler() {
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CUSTOM_EVENTS.forEach(FlightRecorder::register);
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FlightRecorder.addPeriodicEvent(ServerTickTimeEvent.class, () -> new ServerTickTimeEvent(this.currentAverageTickTime).commit());
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FlightRecorder.addPeriodicEvent(NetworkSummaryEvent.class, () -> {
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Iterator<SumAggregation> iterator = this.networkTrafficByAddress.values().iterator();
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while (iterator.hasNext()) {
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((SumAggregation)iterator.next()).commitEvent();
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iterator.remove();
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}
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});
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}
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public static JfrProfiler getInstance() {
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return INSTANCE;
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}
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@Override
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public boolean start(Environment environment) {
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URL uRL = JfrProfiler.class.getResource("/flightrecorder-config.jfc");
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if (uRL == null) {
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LOGGER.warn("Could not find default flight recorder config at {}", "/flightrecorder-config.jfc");
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return false;
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} else {
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try {
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BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(uRL.openStream()));
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boolean var4;
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try {
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var4 = this.start(bufferedReader, environment);
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} catch (Throwable var7) {
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try {
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bufferedReader.close();
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} catch (Throwable var6) {
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var7.addSuppressed(var6);
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}
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throw var7;
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}
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bufferedReader.close();
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return var4;
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} catch (IOException var8) {
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LOGGER.warn("Failed to start flight recorder using configuration at {}", uRL, var8);
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return false;
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}
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}
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}
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@Override
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public Path stop() {
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if (this.recording == null) {
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throw new IllegalStateException("Not currently profiling");
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} else {
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this.networkTrafficByAddress.clear();
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Path path = this.recording.getDestination();
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this.recording.stop();
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return path;
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}
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}
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@Override
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public boolean isRunning() {
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return this.recording != null;
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}
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@Override
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public boolean isAvailable() {
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return FlightRecorder.isAvailable();
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}
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private boolean start(Reader reader, Environment environment) {
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if (this.isRunning()) {
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LOGGER.warn("Profiling already in progress");
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return false;
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} else {
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try {
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Configuration configuration = Configuration.create(reader);
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String string = DATE_TIME_FORMATTER.format(Instant.now());
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this.recording = Util.make(new Recording(configuration), recording -> {
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CUSTOM_EVENTS.forEach(recording::enable);
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recording.setDumpOnExit(true);
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recording.setToDisk(true);
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recording.setName(String.format(Locale.ROOT, "%s-%s-%s", environment.getDescription(), SharedConstants.getCurrentVersion().getName(), string));
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});
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Path path = Paths.get(String.format(Locale.ROOT, "debug/%s-%s.jfr", environment.getDescription(), string));
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FileUtil.createDirectoriesSafe(path.getParent());
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this.recording.setDestination(path);
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this.recording.start();
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this.setupSummaryListener();
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} catch (ParseException | IOException var6) {
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LOGGER.warn("Failed to start jfr profiling", (Throwable)var6);
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return false;
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}
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LOGGER.info(
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"Started flight recorder profiling id({}):name({}) - will dump to {} on exit or stop command",
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this.recording.getId(),
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this.recording.getName(),
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this.recording.getDestination()
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);
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return true;
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}
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}
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private void setupSummaryListener() {
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FlightRecorder.addListener(new FlightRecorderListener() {
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final SummaryReporter summaryReporter = new SummaryReporter(() -> JfrProfiler.this.recording = null);
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public void recordingStateChanged(Recording recording) {
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if (recording == JfrProfiler.this.recording && recording.getState() == RecordingState.STOPPED) {
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this.summaryReporter.recordingStopped(recording.getDestination());
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FlightRecorder.removeListener(this);
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}
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}
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});
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}
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@Override
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public void onServerTick(float currentAverageTickTime) {
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if (ServerTickTimeEvent.TYPE.isEnabled()) {
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this.currentAverageTickTime = currentAverageTickTime;
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}
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}
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@Override
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public void onPacketReceived(ConnectionProtocol protocol, PacketType<?> packetType, SocketAddress address, int size) {
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if (PacketReceivedEvent.TYPE.isEnabled()) {
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new PacketReceivedEvent(protocol.id(), packetType.flow().id(), packetType.id().toString(), address, size).commit();
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}
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if (NetworkSummaryEvent.TYPE.isEnabled()) {
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this.networkStatFor(address).trackReceivedPacket(size);
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}
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}
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@Override
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public void onPacketSent(ConnectionProtocol protocol, PacketType<?> packetType, SocketAddress address, int size) {
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if (PacketSentEvent.TYPE.isEnabled()) {
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new PacketSentEvent(protocol.id(), packetType.flow().id(), packetType.id().toString(), address, size).commit();
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}
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if (NetworkSummaryEvent.TYPE.isEnabled()) {
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this.networkStatFor(address).trackSentPacket(size);
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}
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}
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private SumAggregation networkStatFor(SocketAddress remoteAddress) {
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return (SumAggregation)this.networkTrafficByAddress.computeIfAbsent(remoteAddress.toString(), SumAggregation::new);
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}
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@Override
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public void onRegionFileRead(RegionStorageInfo regionStorageInfo, ChunkPos chunkPos, RegionFileVersion version, int bytes) {
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if (ChunkRegionReadEvent.TYPE.isEnabled()) {
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new ChunkRegionReadEvent(regionStorageInfo, chunkPos, version, bytes).commit();
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}
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}
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@Override
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public void onRegionFileWrite(RegionStorageInfo regionStorageInfo, ChunkPos chunkPos, RegionFileVersion version, int bytes) {
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if (ChunkRegionWriteEvent.TYPE.isEnabled()) {
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new ChunkRegionWriteEvent(regionStorageInfo, chunkPos, version, bytes).commit();
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}
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}
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@Nullable
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@Override
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public ProfiledDuration onWorldLoadedStarted() {
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if (!WorldLoadFinishedEvent.TYPE.isEnabled()) {
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return null;
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} else {
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WorldLoadFinishedEvent worldLoadFinishedEvent = new WorldLoadFinishedEvent();
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worldLoadFinishedEvent.begin();
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return bl -> worldLoadFinishedEvent.commit();
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}
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}
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@Nullable
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@Override
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public ProfiledDuration onChunkGenerate(ChunkPos chunkPos, ResourceKey<Level> level, String name) {
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if (!ChunkGenerationEvent.TYPE.isEnabled()) {
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return null;
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} else {
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ChunkGenerationEvent chunkGenerationEvent = new ChunkGenerationEvent(chunkPos, level, name);
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chunkGenerationEvent.begin();
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return bl -> chunkGenerationEvent.commit();
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}
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}
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@Nullable
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@Override
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public ProfiledDuration onStructureGenerate(ChunkPos chunkPos, ResourceKey<Level> level, Holder<Structure> structure) {
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if (!StructureGenerationEvent.TYPE.isEnabled()) {
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return null;
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} else {
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StructureGenerationEvent structureGenerationEvent = new StructureGenerationEvent(chunkPos, structure, level);
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structureGenerationEvent.begin();
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return bl -> {
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structureGenerationEvent.success = bl;
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structureGenerationEvent.commit();
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};
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}
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}
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}
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