Dieser Commit ist enthalten in:
Ursprung
3651a3bab2
Commit
25afe9f605
2
pom.xml
2
pom.xml
@ -27,7 +27,7 @@
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<goal>shade</goal>
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</goals>
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<configuration>
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<minimizeJar>false</minimizeJar>
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<minimizeJar>true</minimizeJar>
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<transformers>
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<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<manifestEntries>
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@ -20,6 +20,7 @@ public class Agent {
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public static void agentmain(String args, Instrumentation inst) {
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instrumentation = inst;
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//AsyncProfiler.getInstance("/home/lixfel/libasyncProfiler.so");
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switch (args) {
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case "start":
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start();
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@ -37,7 +38,7 @@ public class Agent {
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if(shutdownHook != null)
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return;
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callProfiler("start,event=wall,threads,interval=1000000,alluser"); // 1mio ns = 1ms
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callProfiler("start,event=wall,threads,interval=1000000,cstack=fp"); // 1mio ns = 1ms
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shutdownHook = new Thread(Agent::stop, "SamplerShutdownHook");
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Runtime.getRuntime().addShutdownHook(shutdownHook);
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}
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@ -3,9 +3,7 @@ package de.steamwar;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.text.DecimalFormat;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.*;
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public class Method {
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private static final DecimalFormat df = new DecimalFormat("0.00");
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@ -16,43 +14,21 @@ public class Method {
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private final int id;
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private final String name;
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private final int[] samples = new int[3];
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private final int[] samples = new int[State.values().length];
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private final HashMap<Method, Integer> calls = new HashMap<>();
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public Method(Profile profile, Map<String, ObfHelper.ClassMapping> mappings, String name) {
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this.profile = profile;
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this.id = idCounter++;
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int methodDivisor = name.lastIndexOf(".");
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if(methodDivisor != -1) {
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String className = name.substring(0, methodDivisor);
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String methodDefinition = name.substring(methodDivisor+1).replace('|', ';');
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String methodName = methodDefinition.split("\\(", 2)[0];
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String methodArgs = methodDefinition.split("\\(", 2)[1].split("\\)", 2)[0];
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String methodReturn = methodDefinition.split("\\)", 2)[1];
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ObfHelper.ClassMapping mapping = mappings.get(className);
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if(mapping != null) {
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className = mapping.mojangName;
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methodName = mapping.methodsByObf.getOrDefault(methodDefinition, methodName);
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try {
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name = javaPrettify(mappings, name);
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} catch (IllegalArgumentException e) {
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if(name.startsWith("/")) { // native lib
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name = name.substring(name.lastIndexOf('/') + 1);
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}
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}
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if(className.contains("$$Lambda$")) {
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className = className.split("\\$\\$Lambda\\$", 2)[0] + ".λ";
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}
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if(methodName.startsWith("lambda$")) {
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methodName = methodName.split("\\$", 2)[1].replace('$', 'λ');
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}
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StringBuilder builder = new StringBuilder();
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formatJvmTypes(mappings, builder, methodReturn);
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builder.append(" ").append(className.replace('$', '.')).append(".").append(methodName).append("(");
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formatJvmTypes(mappings, builder, methodArgs);
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builder.append(")");
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name = builder.toString();
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}
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this.name = name;
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}
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@ -60,7 +36,7 @@ public class Method {
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return Arrays.stream(samples).sum();
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}
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private boolean filtered() {
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public boolean filtered() {
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return Arrays.stream(samples).sum() < Profile.FILTER;
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}
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@ -84,32 +60,67 @@ public class Method {
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return df.format(value * Profile.SAMPLING_SPEED / 1e9);
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}
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public void toDot(OutputStreamWriter writer) throws IOException {
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if (filtered())
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return;
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public void prune() {
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calls.keySet().removeIf(Method::filtered);
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calls.values().removeIf(s -> s < Profile.FILTER);
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}
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public void toDot(OutputStreamWriter writer) throws IOException {
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int waiting = samples[State.WAITING.ordinal()];
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int runnable = samples[State.RUNNING.ordinal()];
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int blocked = samples[State.BLOCKED.ordinal()];
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int total = waiting + runnable + blocked;
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int io = samples[State.IO.ordinal()];
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int time = samples[State.TIME.ordinal()];
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int total = waiting + runnable + io + time;
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int r = (255 * blocked + 192 * waiting) / total;
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int g = (255 * runnable + 192 * waiting) / total;
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int b = (192 * waiting) / total;
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int r = ( 255 * waiting + 192 * time) / total;
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int g = (255 * runnable + 64 * waiting + 192 * io + 192 * time) / total;
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int b = ( 64 * waiting + 255 * io + 192 * time) / total;
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int a = (int) (255 * Math.sqrt(total / (double) profile.getSampleRuns()));
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if (a > 255)
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a = 255;
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writer.append(String.valueOf(id)).append(" [fillcolor=\"#").append(String.format("%02X", r)).append(String.format("%02X", g)).append(String.format("%02X", b)).append(String.format("%02X", a)).append("\",label=\"").append(name).append("\\n").append(time(ownSampleRuns())).append("s ").append(totalPercentage(ownSampleRuns())).append("%\\nR").append(percentage(runnable)).append("% B").append(percentage(blocked)).append("% W").append(percentage(waiting)).append("%\"];\n");
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writer.append(String.valueOf(id)).append(" [fillcolor=\"#").append(String.format("%02X", r)).append(String.format("%02X", g)).append(String.format("%02X", b)).append(String.format("%02X", a)).append("\",label=\"").append(name).append("\\n").append(time(ownSampleRuns())).append("s ").append(totalPercentage(ownSampleRuns())).append("% R").append(percentage(runnable)).append("% T").append(percentage(time)).append("% I").append(percentage(io)).append("% W").append(percentage(waiting)).append("%\"];\n");
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for (Map.Entry<Method, Integer> entry : calls.entrySet()) {
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if (entry.getKey().filtered() || entry.getValue() < Profile.FILTER)
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continue;
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writer.append(String.valueOf(id)).append(" -> ").append(String.valueOf(entry.getKey().id)).append(" [label=\"").append(time(entry.getValue())).append("s\\n").append(percentage(entry.getValue())).append("%\",weight=").append(String.valueOf(entry.getValue())).append("];\n");
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}
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}
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private String javaPrettify(Map<String, ObfHelper.ClassMapping> mappings, String name) {
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try {
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int methodDivisor = name.lastIndexOf(".");
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String className = name.substring(0, methodDivisor);
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String methodDefinition = name.substring(methodDivisor + 1).replace('|', ';');
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String methodName = methodDefinition.split("\\(", 2)[0];
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String methodArgs = methodDefinition.split("\\(", 2)[1].split("\\)", 2)[0];
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String methodReturn = methodDefinition.split("\\)", 2)[1];
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ObfHelper.ClassMapping mapping = mappings.get(className);
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if (mapping != null) {
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className = mapping.mojangName;
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methodName = mapping.methodsByObf.getOrDefault(methodDefinition, methodName);
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}
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if (className.contains("$$Lambda$")) {
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className = className.split("\\$\\$Lambda\\$", 2)[0] + ".λ";
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}
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if (methodName.startsWith("lambda$")) {
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methodName = methodName.split("\\$", 2)[1].replace('$', 'λ');
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}
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StringBuilder builder = new StringBuilder();
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formatJvmTypes(mappings, builder, methodReturn);
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builder.append("\\n").append(className.replace('$', '.')).append(".").append(methodName).append("\\n(");
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formatJvmTypes(mappings, builder, methodArgs);
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builder.append(")");
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return builder.toString();
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} catch (Throwable t) {
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throw new IllegalArgumentException(t);
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}
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}
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private void formatJvmTypes(Map<String, ObfHelper.ClassMapping> mappings, StringBuilder builder, String jvmType) {
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int i = 0;
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while(i < jvmType.length()) {
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@ -4,35 +4,33 @@ import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.*;
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public class Profile {
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public static final long SAMPLING_SPEED = 1000000;
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public static final int FILTER = 100;
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private static final HashSet<String> waitingMethods = new HashSet<>();
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private static final HashMap<String, State> stateMethods = new HashMap<>();
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static {
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waitingMethods.add("jdk.internal.misc.Unsafe.park(ZJ)V");
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waitingMethods.add("java.lang.Thread.sleep(J)V");
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waitingMethods.add("java.lang.Object.wait(J)V");
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waitingMethods.add("java.lang.Object.wait(JI)V");
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waitingMethods.add("java.lang.ref.Reference.waitForReferencePendingList()V");
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waitingMethods.add("accept");
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waitingMethods.add("poll");
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waitingMethods.add("com.ibm.lang.management.internal.MemoryNotificationThread.processNotificationLoop()V");
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waitingMethods.add("openj9.internal.tools.attach.target.IPC.waitSemaphore()I");
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waitingMethods.add("net.minecrell.terminalconsole.SimpleTerminalConsole.readCommands(Ljava/io/InputStream|)V");
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waitingMethods.add("sun.nio.ch.SocketDispatcher.read0(Ljava/io/FileDescriptor|JI)I");
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waitingMethods.add("io.netty.channel.epoll.Native.epollWait(IJII)I");
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stateMethods.put("jdk.internal.misc.Unsafe.park(ZJ)V", State.TIME);
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stateMethods.put("java.lang.Thread.sleep(J)V", State.TIME);
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stateMethods.put("java.lang.Object.wait(J)V", State.WAITING);
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stateMethods.put("java.lang.Object.wait(JI)V", State.WAITING);
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stateMethods.put("java.lang.ref.Reference.waitForReferencePendingList()V", State.WAITING);
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stateMethods.put("com.ibm.lang.management.internal.MemoryNotificationThread.processNotificationLoop()V", State.WAITING);
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stateMethods.put("sun.nio.ch.SocketDispatcher.read0(Ljava/io/FileDescriptor|JI)I", State.IO);
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stateMethods.put("io.netty.channel.epoll.Native.epollWait(IJII)I", State.IO);
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stateMethods.put("openj9.internal.tools.attach.target.IPC.waitSemaphore()I", State.IO);
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stateMethods.put("java.io.FileInputStream.readBytes([BII)I", State.IO);
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}
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//private static final HashSet<String> blockingMethods = new HashSet<>(); For later if possible
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private static final HashSet<String> omittedMethods = new HashSet<>();
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static {
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omittedMethods.add("/usr/lib/libc.so.6");
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omittedMethods.add("java.lang.Thread.run()V");
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omittedMethods.add("java.util.concurrent.FutureTask.run()V");
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omittedMethods.add("java.util.concurrent.ForkJoinWorkerThread.run()V");
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omittedMethods.add("java.util.concurrent.ForkJoinWorkerThread.runWorker(Ljava/util/concurrent/ForkJoinPool$WorkQueue|)V");
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omittedMethods.add("java.util.concurrent.ThreadPoolExecutor$Worker.run()V");
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@ -40,7 +38,7 @@ public class Profile {
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}
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private final HashMap<String, Method> methods = new HashMap<>();
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private final HashMap<String, Integer> threadSamples = new HashMap<>();
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private final HashMap<Method, Integer> threads = new HashMap<>();
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public Profile(Map<String, ObfHelper.ClassMapping> mappings, String profile) {
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HashSet<String> previousIds = new HashSet<>();
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@ -57,10 +55,7 @@ public class Profile {
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State state = State.RUNNING;
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for(String name : names) {
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if (waitingMethods.contains(name)) {
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state = State.WAITING;
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break;
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}
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state = stateMethods.getOrDefault(name, state);
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}
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Method calling = null;
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@ -75,28 +70,32 @@ public class Profile {
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calling = method;
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}
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threadSamples.compute(names[0], (threadName, previous) -> previous == null ? samples : previous + samples);
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threads.compute(calling, (thread, previous) -> previous == null ? samples : previous + samples);
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}
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}
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public int getSampleRuns() {
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return threadSamples.values().stream().max(Integer::compareTo).orElse(0);
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return threads.values().stream().max(Integer::compareTo).orElse(0);
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}
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public void prune() {
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methods.values().removeIf(Method::filtered);
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methods.values().forEach(Method::prune);
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}
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public void save() {
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prune();
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File output = new File(System.getProperty("user.home"), "samples.dot");
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try(OutputStreamWriter writer = new FileWriter(output)) {
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writer.append("digraph {\nnode [shape=plaintext,style=\"filled\", margin=0.1];\n");
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//\ngraph [splines=true overlap=false];
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writer.append("digraph {\ngraph [splines=true,overlap=false,searchsize=2];\nnode [shape=plaintext,style=\"filled\",margin=0.1];\n");
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for(Method method : methods.values()) {
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method.toDot(writer);
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}
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writer.append("}");
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//writer.flush();
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} catch (IOException e) {
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e.printStackTrace();
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}
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@ -3,5 +3,6 @@ package de.steamwar;
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public enum State {
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RUNNING,
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WAITING,
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BLOCKED
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TIME,
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IO
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}
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