SteamWar/LixfelsProfiler
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Basis: SteamWar:3c205788b4711d808838c0bd15e02218f457f58e
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SteamWar:master
SteamWar:0.9
..
vergleichen: SteamWar:92a39fc8502659a5c0d43f4d96f79da57cd9fbae
Branches Tags
SteamWar:master
SteamWar:0.9

Keine gemeinsamen Commits. "3c205788b4711d808838c0bd15e02218f457f58e" und "92a39fc8502659a5c0d43f4d96f79da57cd9fbae" haben vollständig unterschiedliche Historien.
3c205788b4 ... 92a39fc850

9 geänderte Dateien mit 275 neuen und 471 gelöschten Zeilen
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1
.gitignore vendored
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@ -1,3 +1,2 @@
/.idea
/target
/dependency-reduced-pom.xml

60
pom.xml
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@ -10,58 +10,30 @@
<properties>
<file.encoding>UTF-8</file.encoding>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.4</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<minimizeJar>true</minimizeJar>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Main-Class>de.steamwar.Main</Main-Class>
<Agent-Class>de.steamwar.Agent</Agent-Class>
<Premain-Class>de.steamwar.Agent</Premain-Class>
</manifestEntries>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
<version>3.2.0</version>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>de.steamwar.Main</mainClass>
</manifest>
<manifestEntries>
<Agent-Class>de.steamwar.Agent</Agent-Class>
<Premain-Class>de.steamwar.Agent</Premain-Class>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
<finalName>LixfelsProfiler</finalName>
</build>
<repositories>
<repository>
<id>fabric</id>
<url>https://maven.fabricmc.net/</url>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>tools.profiler</groupId>
<artifactId>async-profiler</artifactId>
<version>2.9</version>
</dependency>
<dependency>
<groupId>net.fabricmc</groupId>
<artifactId>mapping-io</artifactId>
<version>0.3.0</version>
</dependency>
</dependencies>
</project>

54
src/main/java/de/steamwar/Agent.java
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@ -1,68 +1,32 @@
package de.steamwar;
import one.profiler.AsyncProfiler;
import java.io.IOException;
import java.lang.instrument.Instrumentation;
public class Agent {
private Agent() {}
private static Thread shutdownHook;
private static Instrumentation instrumentation;
public static Instrumentation getInstrumentation() {
return instrumentation;
}
private static Sampler sampler;
public static void premain(String args, Instrumentation inst) {
agentmain(args, inst);
if ("start".equals(args)) {
sampler = new Sampler();
}
}
public static void agentmain(String args, Instrumentation inst) {
instrumentation = inst;
//AsyncProfiler.getInstance("/home/lixfel/libasyncProfiler.so");
switch (args) {
case "start":
start();
if(sampler == null)
sampler = new Sampler();
break;
case "stop":
stop();
if(sampler != null)
sampler.stop();
sampler = null;
break;
case "heap":
OpenJ9.heapdump();
break;
}
}
private static void start() {
if(shutdownHook != null)
return;
callProfiler("start,event=wall,threads,interval=1000000,cstack=fp"); // 1mio ns = 1ms
shutdownHook = new Thread(Agent::stop, "SamplerShutdownHook");
Runtime.getRuntime().addShutdownHook(shutdownHook);
}
private static void stop() {
if(shutdownHook == null)
return;
AsyncProfiler.getInstance().stop();
new Profile(ObfHelper.loadMappingsIfPresent(), callProfiler("collapsed=samples,dot,sig")).save();
try {
Runtime.getRuntime().removeShutdownHook(shutdownHook);
shutdownHook = null;
} catch (IllegalStateException e) {
//ignored
}
}
private static String callProfiler(String command) {
try {
return AsyncProfiler.getInstance().execute(command);
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
}

189
src/main/java/de/steamwar/Method.java
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@ -1,189 +0,0 @@
package de.steamwar;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.text.DecimalFormat;
import java.util.*;
public class Method {
private static final DecimalFormat df = new DecimalFormat("0.00");
private static int idCounter;
private final Profile profile;
private final int id;
private final String name;
private final int[] samples = new int[State.values().length];
private final HashMap<Method, Integer> calls = new HashMap<>();
public Method(Profile profile, Map<String, ObfHelper.ClassMapping> mappings, String name) {
this.profile = profile;
this.id = idCounter++;
try {
name = javaPrettify(mappings, name);
} catch (IllegalArgumentException e) {
if(name.startsWith("/")) { // native lib
name = name.substring(name.lastIndexOf('/') + 1);
}
}
this.name = name;
}
private int ownSampleRuns() {
return Arrays.stream(samples).sum();
}
public boolean filtered() {
return Arrays.stream(samples).sum() < Profile.FILTER;
}
public void add(State state, int samples, Method calling, boolean outsideCycle) {
if(outsideCycle)
this.samples[state.ordinal()] += samples;
if (calling != null)
calls.compute(calling, (pre, sample) -> sample == null ? samples : sample + samples);
}
private String percentage(int value) {
return df.format(value * 100.0 / ownSampleRuns());
}
private String totalPercentage(int value) {
return df.format(value * 100.0 / profile.getSampleRuns());
}
private String time(int value) {
return df.format(value * Profile.SAMPLING_SPEED / 1e9);
}
public void prune() {
calls.keySet().removeIf(Method::filtered);
calls.values().removeIf(s -> s < Profile.FILTER);
}
public void toDot(OutputStreamWriter writer) throws IOException {
int waiting = samples[State.WAITING.ordinal()];
int runnable = samples[State.RUNNING.ordinal()];
int io = samples[State.IO.ordinal()];
int time = samples[State.TIME.ordinal()];
int total = waiting + runnable + io + time;
int r = ( 255 * waiting + 192 * time) / total;
int g = (255 * runnable + 64 * waiting + 192 * io + 192 * time) / total;
int b = ( 64 * waiting + 255 * io + 192 * time) / total;
int a = (int) (255 * Math.sqrt(total / (double) profile.getSampleRuns()));
if (a > 255)
a = 255;
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");
for (Map.Entry<Method, Integer> entry : calls.entrySet()) {
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");
}
}
private String javaPrettify(Map<String, ObfHelper.ClassMapping> mappings, String name) {
try {
int methodDivisor = name.lastIndexOf(".");
String className = name.substring(0, methodDivisor);
String methodDefinition = name.substring(methodDivisor + 1).replace('|', ';');
String methodName = methodDefinition.split("\\(", 2)[0];
String methodArgs = methodDefinition.split("\\(", 2)[1].split("\\)", 2)[0];
String methodReturn = methodDefinition.split("\\)", 2)[1];
ObfHelper.ClassMapping mapping = mappings.get(className);
if (mapping != null) {
className = mapping.mojangName;
methodName = mapping.methodsByObf.getOrDefault(methodDefinition, methodName);
}
if (className.contains("$$Lambda$")) {
className = className.split("\\$\\$Lambda\\$", 2)[0] + ".λ";
}
if (methodName.startsWith("lambda$")) {
methodName = methodName.split("\\$", 2)[1].replace('$', 'λ');
}
StringBuilder builder = new StringBuilder();
formatJvmTypes(mappings, builder, methodReturn);
builder.append("\\n").append(className.replace('$', '.')).append(".").append(methodName).append("\\n(");
formatJvmTypes(mappings, builder, methodArgs);
builder.append(")");
return builder.toString();
} catch (Throwable t) {
throw new IllegalArgumentException(t);
}
}
private void formatJvmTypes(Map<String, ObfHelper.ClassMapping> mappings, StringBuilder builder, String jvmType) {
int i = 0;
while(i < jvmType.length()) {
int arrayDimensions = 0;
while(jvmType.charAt(i) == '[') {
arrayDimensions++;
i++;
}
switch (jvmType.charAt(i)) {
case 'B':
builder.append("byte");
i++;
break;
case 'C':
builder.append("char");
i++;
break;
case 'D':
builder.append("double");
i++;
break;
case 'F':
builder.append("float");
i++;
break;
case 'I':
builder.append("int");
i++;
break;
case 'J':
builder.append("long");
i++;
break;
case 'S':
builder.append("short");
i++;
break;
case 'Z':
builder.append("boolean");
i++;
break;
case 'V':
builder.append("void");
i++;
break;
case 'L':
int end = jvmType.indexOf(';', i++);
String className = jvmType.substring(i, end).replace('/', '.');
ObfHelper.ClassMapping mapping = mappings.get(className);
builder.append((mapping == null ? className : mapping.mojangName).replace('$', '.'));
i = end+1;
break;
default:
throw new IllegalArgumentException(jvmType + " at " + i);
}
while(arrayDimensions-- > 0) {
builder.append("[]");
}
if(i < jvmType.length())
builder.append(", ");
}
}
}

81
src/main/java/de/steamwar/ObfHelper.java
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@ -1,81 +0,0 @@
package de.steamwar;
import net.fabricmc.mappingio.MappingReader;
import net.fabricmc.mappingio.format.MappingFormat;
import net.fabricmc.mappingio.tree.MappingTree;
import net.fabricmc.mappingio.tree.MemoryMappingTree;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
public class ObfHelper {
private ObfHelper() {}
public static final String MOJANG_PLUS_YARN_NAMESPACE = "mojang+yarn";
public static final String SPIGOT_NAMESPACE = "spigot";
public static Map<String, ClassMapping> loadMappingsIfPresent() {
for(Class<?> clazz : Agent.getInstrumentation().getAllLoadedClasses()) {
if(clazz.getName().equals("io.papermc.paper.util.ObfHelper")) {
try (final InputStream mappingsInputStream = clazz.getClassLoader().getResourceAsStream("META-INF/mappings/reobf.tiny")) {
if (mappingsInputStream == null)
return Collections.emptyMap();
final MemoryMappingTree tree = new MemoryMappingTree();
MappingReader.read(new InputStreamReader(mappingsInputStream, StandardCharsets.UTF_8), MappingFormat.TINY_2, tree);
Map<String, ClassMapping> classes = new HashMap<>();
for (final MappingTree.ClassMapping cls : tree.getClasses()) {
final Map<String, String> methods = new HashMap<>();
for (final MappingTree.MethodMapping methodMapping : cls.getMethods()) {
methods.put(
methodKey(
methodMapping.getName(SPIGOT_NAMESPACE),
methodMapping.getDesc(SPIGOT_NAMESPACE)
),
methodMapping.getName(MOJANG_PLUS_YARN_NAMESPACE)
);
}
final ClassMapping map = new ClassMapping(
cls.getName(SPIGOT_NAMESPACE).replace('/', '.'),
cls.getName(MOJANG_PLUS_YARN_NAMESPACE).replace('/', '.'),
methods
);
classes.put(map.obfName, map);
}
return classes;
} catch (final IOException ex) {
System.err.println("Failed to load mappings for stacktrace deobfuscation.");
ex.printStackTrace();
return Collections.emptyMap();
}
}
}
return Collections.emptyMap();
}
public static String methodKey(final String obfName, final String obfDescriptor) {
return obfName + obfDescriptor;
}
public static class ClassMapping {
public final String obfName;
public final String mojangName;
public final Map<String, String> methodsByObf;
public ClassMapping(String obfName, String mojangName, Map<String, String> methodsByObf) {
this.obfName = obfName;
this.mojangName = mojangName;
this.methodsByObf = methodsByObf;
}
}
}

103
src/main/java/de/steamwar/Profile.java
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@ -1,103 +0,0 @@
package de.steamwar;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.*;
public class Profile {
public static final long SAMPLING_SPEED = 1000000;
public static final int FILTER = 100;
private static final HashMap<String, State> stateMethods = new HashMap<>();
static {
stateMethods.put("jdk.internal.misc.Unsafe.park(ZJ)V", State.TIME);
stateMethods.put("java.lang.Thread.sleep(J)V", State.TIME);
stateMethods.put("java.lang.Object.wait(J)V", State.WAITING);
stateMethods.put("java.lang.Object.wait(JI)V", State.WAITING);
stateMethods.put("java.lang.ref.Reference.waitForReferencePendingList()V", State.WAITING);
stateMethods.put("com.ibm.lang.management.internal.MemoryNotificationThread.processNotificationLoop()V", State.WAITING);
stateMethods.put("sun.nio.ch.SocketDispatcher.read0(Ljava/io/FileDescriptor|JI)I", State.IO);
stateMethods.put("io.netty.channel.epoll.Native.epollWait(IJII)I", State.IO);
stateMethods.put("openj9.internal.tools.attach.target.IPC.waitSemaphore()I", State.IO);
stateMethods.put("java.io.FileInputStream.readBytes([BII)I", State.IO);
}
private static final HashSet<String> omittedMethods = new HashSet<>();
static {
omittedMethods.add("java.lang.Thread.run()V");
omittedMethods.add("java.util.concurrent.FutureTask.run()V");
omittedMethods.add("java.util.concurrent.ForkJoinWorkerThread.run()V");
omittedMethods.add("java.util.concurrent.ForkJoinWorkerThread.runWorker(Ljava/util/concurrent/ForkJoinPool$WorkQueue|)V");
omittedMethods.add("java.util.concurrent.ThreadPoolExecutor$Worker.run()V");
omittedMethods.add("java.util.concurrent.ThreadPoolExecutor.runWorker(Ljava/util/concurrent/ThreadPoolExecutor$Worker|)V");
}
private final HashMap<String, Method> methods = new HashMap<>();
private final HashMap<Method, Integer> threads = new HashMap<>();
public Profile(Map<String, ObfHelper.ClassMapping> mappings, String profile) {
HashSet<String> previousIds = new HashSet<>();
for(String line : profile.split("\n")) {
previousIds.clear();
int sampleDivisor = line.lastIndexOf(" ");
int samples = Integer.parseInt(line.substring(sampleDivisor + 1));
String[] names = line.substring(0, sampleDivisor).split(";");
if(names.length <= 1)
continue;
State state = State.RUNNING;
for(String name : names) {
state = stateMethods.getOrDefault(name, state);
}
Method calling = null;
for(int i = names.length-1; i >= 0; i--) {
String name = names[i];
if(omittedMethods.contains(name))
continue;
Method method = methods.computeIfAbsent(name, id -> new Method(this, mappings, id));
method.add(state, samples, calling, previousIds.add(name));
calling = method;
}
threads.compute(calling, (thread, previous) -> previous == null ? samples : previous + samples);
}
}
public int getSampleRuns() {
return threads.values().stream().max(Integer::compareTo).orElse(0);
}
public void prune() {
methods.values().removeIf(Method::filtered);
methods.values().forEach(Method::prune);
}
public void save() {
prune();
File output = new File(System.getProperty("user.home"), "samples.dot");
try(OutputStreamWriter writer = new FileWriter(output)) {
//\ngraph [splines=true overlap=false];
writer.append("digraph {\ngraph [splines=true,overlap=false,searchsize=2];\nnode [shape=plaintext,style=\"filled\",margin=0.1];\n");
for(Method method : methods.values()) {
method.toDot(writer);
}
writer.append("}");
} catch (IOException e) {
e.printStackTrace();
}
}
}

171
src/main/java/de/steamwar/Sampler.java Normale Datei
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@ -0,0 +1,171 @@
package de.steamwar;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.*;
import java.util.concurrent.locks.LockSupport;
public class Sampler {
public static final long SAMPLING_SPEED = 1000000;
public static final int FILTER = 100;
private static final Set<String> waitingMethods = new HashSet<>();
static {
waitingMethods.add("io.netty.channel.epoll.Native.epollWait");
waitingMethods.add("io.netty.channel.epoll.Native.epollWait0");
waitingMethods.add("org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read");
waitingMethods.add("net.minecrell.terminalconsole.SimpleTerminalConsole.readCommands");
waitingMethods.add("com.ibm.lang.management.internal.MemoryNotificationThread.processNotificationLoop");
waitingMethods.add("openj9.internal.tools.attach.target.IPC.waitSemaphore");
waitingMethods.add("sun.nio.ch.Net.poll");
waitingMethods.add("sun.nio.ch.SocketDispatcher.read0");
waitingMethods.add("sun.awt.X11.XToolkit.waitForEvents");
waitingMethods.add("java.lang.ProcessHandleImpl.waitForProcessExit0");
waitingMethods.add("java.lang.ref.Reference.waitForReferencePendingList");
waitingMethods.add("java.util.concurrent.locks.LockSupport.parkNanos");
waitingMethods.add("java.io.FileInputStream.readBytes");
}
private static final Set<String> omittedMethods = new HashSet<>();
static {
omittedMethods.add("java.lang.reflect.Method.invoke");
omittedMethods.add("java.lang.Thread.run");
omittedMethods.add("java.util.Iterator.forEachRemaining");
omittedMethods.add("java.lang.Iterable.forEach");
omittedMethods.add("java.util.ArrayList.forEach");
omittedMethods.add("java.util.ArrayList$ArrayListSpliterator.forEachRemaining");
omittedMethods.add("java.util.Map.forEach");
omittedMethods.add("java.util.HashMap$EntrySpliterator.forEachRemaining");
omittedMethods.add("java.util.Spliterators$IteratorSpliterator.forEachRemaining");
omittedMethods.add("java.util.Spliterators$ArraySpliterator.forEachRemaining");
omittedMethods.add("java.util.concurrent.ThreadPoolExecutor$Worker.run");
omittedMethods.add("java.util.concurrent.ThreadPoolExecutor.runWorker");
omittedMethods.add("java.util.concurrent.CompletableFuture$Completion.run");
omittedMethods.add("java.util.concurrent.CompletableFuture$AsyncSupply.run");
omittedMethods.add("java.util.stream.ReferencePipeline.forEach");
omittedMethods.add("java.util.stream.ReferencePipeline.collect");
omittedMethods.add("java.util.stream.ReferencePipeline$7$1.forEach");
omittedMethods.add("java.util.stream.ReferencePipeline$3$1.accept");
omittedMethods.add("java.util.stream.AbstractPipeline.evaluate");
omittedMethods.add("java.util.stream.AbstractPipeline.wrapAndCopyInto");
omittedMethods.add("java.util.stream.AbstractPipeline.copyInto");
omittedMethods.add("java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential");
omittedMethods.add("java.util.stream.ForEachOps$ForEachOp.evaluateSequential");
omittedMethods.add("java.util.stream.ReduceOps$ReduceOp.evaluateSequential");
omittedMethods.add("java.util.stream.ReduceOps$1ReducingSink.accept");
omittedMethods.add("java.util.stream.Streams$StreamBuilderImpl.forEachRemaining");
}
private final Map<String, Trace> traces = new HashMap<>();
private final Thread samplerThread;
private final Thread shutdownHook;
private boolean shutdown = false;
private int sampleRuns;
public Sampler() {
samplerThread = new Thread(this::run, "Sampler");
samplerThread.setDaemon(true);
samplerThread.start();
shutdownHook = new Thread(this::stop, "SamplerShutdownHook");
Runtime.getRuntime().addShutdownHook(shutdownHook);
}
public int getSampleRuns() {
return sampleRuns;
}
public void stop() {
shutdown = true;
try {
samplerThread.join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
try {
Runtime.getRuntime().removeShutdownHook(shutdownHook);
} catch (IllegalStateException e) {
//ignored
}
File output = new File(System.getProperty("user.home"), "samples.dot");
try {
OutputStreamWriter writer = new FileWriter(output);
toDot(writer);
writer.flush();
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
private void run() {
long lastTime = System.nanoTime();
while(!shutdown) {
sample();
long currentTime = System.nanoTime();
LockSupport.parkNanos(SAMPLING_SPEED - currentTime + lastTime);
lastTime = currentTime;
}
}
private void sample() {
sampleRuns++;
Map<Thread, StackTraceElement[]> stackTraces = Thread.getAllStackTraces();
Set<String> previousIds = new HashSet<>();
for(Map.Entry<Thread, StackTraceElement[]> entry : stackTraces.entrySet()) {
Thread thread = entry.getKey();
StackTraceElement[] stack = entry.getValue();
String threadName = thread.getName();
if(stack.length == 0 || threadName.equals("Sampler"))
continue;
previousIds.clear();
Thread.State state = thread.getState();
String[] ids = new String[stack.length];
for(int i = 0; i < stack.length; i++) {
StackTraceElement ste = stack[i];
String id = ste.getClassName() + "." + ste.getMethodName();
ids[i] = id;
if (waitingMethods.contains(id))
state = Thread.State.WAITING;
}
Trace predecessor = traces.computeIfAbsent(threadName, name -> new Trace(this, threadName));
predecessor.add(state, null);
for(int i = stack.length - 1; i >= 0; i--) {
String id = ids[i];
if(!previousIds.add(id) || omittedMethods.contains(id))
continue;
Trace trace = traces.computeIfAbsent(id, id1 -> new Trace(this, id1));
trace.add(state, predecessor);
predecessor = trace;
}
}
}
private void toDot(OutputStreamWriter writer) throws IOException {
writer.append("digraph {\nnode [shape=plaintext,style=\"filled\", margin=0.1];\n");
for(Trace trace : traces.values()) {
trace.toDot(writer);
}
writer.append("}");
}
}

8
src/main/java/de/steamwar/State.java
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@ -1,8 +0,0 @@
package de.steamwar;
public enum State {
RUNNING,
WAITING,
TIME,
IO
}

79
src/main/java/de/steamwar/Trace.java Normale Datei
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@ -0,0 +1,79 @@
package de.steamwar;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.text.DecimalFormat;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class Trace {
private static final DecimalFormat df = new DecimalFormat("0.00");
private static int idCounter;
private final Sampler sampler;
private final int id;
private final String name;
private final int[] samples = new int[6];
private final Map<Trace, Integer> predecessors = new HashMap<>();
public Trace(Sampler sampler, String name) {
this.sampler = sampler;
id = idCounter++;
this.name = name;
}
private int ownSampleRuns() {
return Arrays.stream(samples).sum();
}
private boolean filtered() {
return Arrays.stream(samples).sum() < Sampler.FILTER;
}
public void add(Thread.State state, Trace predecessor) {
samples[state.ordinal()] += 1;
if (predecessor != null)
predecessors.compute(predecessor, (pre, sample) -> sample == null ? 1 : sample + 1);
}
private String percentage(int value) {
return df.format(value * 100.0 / ownSampleRuns());
}
private String totalPercentage(int value) {
return df.format(value * 100.0 / sampler.getSampleRuns());
}
private String time(int value) {
return df.format(value * Sampler.SAMPLING_SPEED / 1e9);
}
public void toDot(OutputStreamWriter writer) throws IOException {
if (filtered())
return;
int waiting = samples[3] + samples[4] + samples[5];
int runnable = samples[1] + samples[0];
int blocked = samples[2];
int total = waiting + runnable + blocked;
int r = (255 * blocked + 192 * waiting) / total;
int g = (255 * runnable + 192 * waiting) / total;
int b = (192 * waiting) / total;
int a = (int) (255 * Math.sqrt(total / (double) sampler.getSampleRuns()));
if (a > 255)
a = 255;
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");
for (Map.Entry<Trace, Integer> entry : predecessors.entrySet()) {
if (entry.getKey().filtered() || entry.getValue() < Sampler.FILTER)
continue;
writer.append(String.valueOf(entry.getKey().id)).append(" -> ").append(String.valueOf(id)).append(" [label=\"").append(time(entry.getValue())).append("s\\n").append(percentage(entry.getValue())).append("%\",weight=").append(String.valueOf(entry.getValue())).append("];\n");
}
}
}