package org.graalvm.compiler.hotspot.test;
import static java.util.Collections.singletonList;
import static org.graalvm.compiler.core.CompilationWrapper.ExceptionAction.Print;
import static org.graalvm.compiler.core.GraalCompilerOptions.CompilationBailoutAsFailure;
import static org.graalvm.compiler.core.GraalCompilerOptions.CompilationFailureAction;
import static org.graalvm.compiler.core.test.ReflectionOptionDescriptors.extractEntries;
import static org.graalvm.compiler.debug.MemUseTrackerKey.getCurrentThreadAllocatedBytes;
import static org.graalvm.compiler.hotspot.CompilationTask.CompilationTime;
import static org.graalvm.compiler.hotspot.CompilationTask.CompiledAndInstalledBytecodes;
import static org.graalvm.compiler.hotspot.test.CompileTheWorld.Options.DESCRIPTORS;
import static org.graalvm.compiler.hotspot.test.CompileTheWorld.Options.InvalidateInstalledCode;
import static sun.misc.Unsafe.ARRAY_BYTE_BASE_OFFSET;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.net.URI;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.ServiceLoader;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import jdk.internal.vm.compiler.collections.EconomicMap;
import jdk.internal.vm.compiler.collections.UnmodifiableMapCursor;
import org.graalvm.compiler.api.replacements.Snippet;
import org.graalvm.compiler.api.test.ModuleSupport;
import org.graalvm.compiler.bytecode.Bytecodes;
import org.graalvm.compiler.core.phases.HighTier;
import org.graalvm.compiler.core.test.ReflectionOptionDescriptors;
import org.graalvm.compiler.debug.GlobalMetrics;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.debug.MethodFilter;
import org.graalvm.compiler.debug.MetricKey;
import org.graalvm.compiler.debug.TTY;
import org.graalvm.compiler.hotspot.CompilationTask;
import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
import org.graalvm.compiler.hotspot.HotSpotGraalCompiler;
import org.graalvm.compiler.hotspot.HotSpotGraalRuntime;
import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
import org.graalvm.compiler.hotspot.test.CompileTheWorld.LibGraalParams.StackTraceBuffer;
import org.graalvm.compiler.options.OptionDescriptors;
import org.graalvm.compiler.options.OptionKey;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.options.OptionsParser;
import org.graalvm.compiler.serviceprovider.GraalUnsafeAccess;
import org.graalvm.compiler.serviceprovider.JavaVersionUtil;
import jdk.internal.vm.compiler.libgraal.LibGraal;
import jdk.internal.vm.compiler.libgraal.LibGraalScope;
import org.graalvm.util.OptionsEncoder;
import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
import jdk.vm.ci.hotspot.HotSpotCompilationRequest;
import jdk.vm.ci.hotspot.HotSpotInstalledCode;
import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
import jdk.vm.ci.meta.ConstantPool;
import jdk.vm.ci.meta.MetaAccessProvider;
import jdk.vm.ci.runtime.JVMCI;
import jdk.vm.ci.runtime.JVMCICompiler;
import sun.misc.Unsafe;
public final class CompileTheWorld {
static {
ModuleSupport.exportAndOpenAllPackagesToUnnamed("jdk.internal.vm.compiler");
}
public static final String SUN_BOOT_CLASS_PATH = "sun.boot.class.path";
public static final String JRT_CLASS_PATH_ENTRY = "<jrt>";
public static EconomicMap<OptionKey<?>, Object> parseOptions(String options) {
EconomicMap<OptionKey<?>, Object> values = OptionValues.newOptionMap();
if (options != null) {
EconomicMap<String, String> optionSettings = EconomicMap.create();
for (String optionSetting : options.split("\\s+|#")) {
OptionsParser.parseOptionSettingTo(optionSetting, optionSettings);
}
ServiceLoader<OptionDescriptors> loader = ServiceLoader.load(OptionDescriptors.class, OptionDescriptors.class.getClassLoader());
OptionsParser.parseOptions(optionSettings, values, loader);
}
if (!values.containsKey(HighTier.Options.Inline)) {
values.put(HighTier.Options.Inline, false);
}
return values;
}
private final HotSpotJVMCIRuntime jvmciRuntime;
private final HotSpotGraalCompiler compiler;
private final String inputClassPath;
private final int startAt;
private final int stopAt;
private final int maxClasses;
private final MethodFilter methodFilter;
private final MethodFilter excludeMethodFilter;
private int classFileCounter = 0;
private AtomicLong compiledMethodsCounter = new AtomicLong();
private AtomicLong compileTime = new AtomicLong();
private AtomicLong memoryUsed = new AtomicLong();
private boolean verbose;
private boolean running;
private ThreadPoolExecutor threadPool;
private final OptionValues harnessOptions;
private final OptionValues compilerOptions;
static class LibGraalParams implements AutoCloseable {
static {
LibGraal.registerNativeMethods(CompileTheWorld.class);
}
static class OptionsBuffer {
private long address;
final int size;
final int hash;
OptionsBuffer(OptionValues options) {
Map<String, Object> map = new HashMap<>();
UnmodifiableMapCursor<OptionKey<?>, Object> cursor = options.getMap().getEntries();
while (cursor.advance()) {
final OptionKey<?> key = cursor.getKey();
Object value = cursor.getValue();
map.put(key.getName(), value);
}
byte[] encoded = OptionsEncoder.encode(map);
size = encoded.length;
hash = Arrays.hashCode(encoded);
address = UNSAFE.allocateMemory(encoded.length);
UNSAFE.copyMemory(encoded, ARRAY_BYTE_BASE_OFFSET, null, address, size);
}
long getAddress() {
if (address == 0) {
throw new IllegalStateException();
}
return address;
}
void free() {
if (address != 0) {
UNSAFE.freeMemory(address);
address = 0;
}
}
}
static class StackTraceBuffer {
final int size;
private long address;
StackTraceBuffer(int size) {
this.size = size;
address = UNSAFE.allocateMemory(size);
}
void free() {
if (address != 0L) {
UNSAFE.freeMemory(address);
address = 0L;
}
}
long getAddress() {
if (address == 0) {
throw new IllegalStateException();
}
return address;
}
}
final OptionsBuffer options;
private final List<StackTraceBuffer> stackTraceBuffers = new ArrayList<>();
StackTraceBuffer getStackTraceBuffer() {
return stackTraceBuffer.get();
}
private final ThreadLocal<StackTraceBuffer> stackTraceBuffer = new ThreadLocal<StackTraceBuffer>() {
@Override
protected StackTraceBuffer initialValue() {
StackTraceBuffer buffer = new StackTraceBuffer(10_000);
synchronized (stackTraceBuffers) {
stackTraceBuffers.add(buffer);
}
return buffer;
}
};
LibGraalParams(OptionValues options) {
this.options = new OptionsBuffer(options);
}
@Override
public void close() {
options.free();
synchronized (stackTraceBuffers) {
for (StackTraceBuffer buffer : stackTraceBuffers) {
buffer.free();
}
stackTraceBuffers.clear();
}
}
}
public CompileTheWorld(HotSpotJVMCIRuntime jvmciRuntime,
HotSpotGraalCompiler compiler,
String files,
int startAt,
int stopAt,
int maxClasses,
String methodFilters,
String excludeMethodFilters,
boolean verbose,
OptionValues harnessOptions,
OptionValues compilerOptions) {
this.jvmciRuntime = jvmciRuntime;
this.compiler = compiler;
this.inputClassPath = files;
this.startAt = Math.max(startAt, 1);
this.stopAt = Math.max(stopAt, 1);
this.maxClasses = Math.max(maxClasses, 1);
this.methodFilter = methodFilters == null ? null : MethodFilter.parse(methodFilters);
this.excludeMethodFilter = excludeMethodFilters == null ? null : MethodFilter.parse(excludeMethodFilters);
this.verbose = verbose;
this.harnessOptions = harnessOptions;
EconomicMap<OptionKey<?>, Object> compilerOptionsMap = EconomicMap.create(compilerOptions.getMap());
CompilationBailoutAsFailure.putIfAbsent(compilerOptionsMap, true);
CompilationFailureAction.putIfAbsent(compilerOptionsMap, Print);
this.compilerOptions = new OptionValues(compilerOptionsMap);
}
public CompileTheWorld(HotSpotJVMCIRuntime jvmciRuntime,
HotSpotGraalCompiler compiler,
OptionValues harnessOptions,
OptionValues compilerOptions) {
this(jvmciRuntime, compiler, Options.Classpath.getValue(harnessOptions),
Options.StartAt.getValue(harnessOptions),
Options.StopAt.getValue(harnessOptions),
Options.MaxClasses.getValue(harnessOptions),
Options.MethodFilter.getValue(harnessOptions),
Options.ExcludeMethodFilter.getValue(harnessOptions),
Options.Verbose.hasBeenSet(harnessOptions) ? Options.Verbose.getValue(harnessOptions) : !Options.MultiThreaded.getValue(harnessOptions),
harnessOptions,
new OptionValues(compilerOptions, parseOptions(Options.Config.getValue(harnessOptions))));
}
@SuppressWarnings("try")
public void compile() throws Throwable {
try (LibGraalParams libgraal = LibGraal.isAvailable() ? new LibGraalParams(compilerOptions) : null) {
if (SUN_BOOT_CLASS_PATH.equals(inputClassPath)) {
String bcpEntry = null;
if (JavaVersionUtil.JAVA_SPEC <= 8) {
final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator);
for (int i = 0; i < entries.length && bcpEntry == null; i++) {
String entry = entries[i];
File entryFile = new File(entry);
if (entryFile.getName().endsWith("rt.jar") && entryFile.isFile()) {
bcpEntry = entry;
}
}
if (bcpEntry == null) {
throw new GraalError("Could not find rt.jar on boot class path %s", System.getProperty(SUN_BOOT_CLASS_PATH));
}
} else {
bcpEntry = JRT_CLASS_PATH_ENTRY;
}
compile(bcpEntry, libgraal);
} else {
compile(inputClassPath, libgraal);
}
}
}
public void println() {
println("");
}
public void println(String format, Object... args) {
println(String.format(format, args));
}
public void println(String s) {
println(verbose, s);
}
public static void println(boolean cond, String s) {
if (cond) {
TTY.println(s);
}
}
public void printStackTrace(Throwable t) {
if (verbose) {
t.printStackTrace(TTY.out);
}
}
@SuppressWarnings("unused")
private static void dummy() {
}
abstract static class ClassPathEntry implements Closeable {
final String name;
ClassPathEntry(String name) {
this.name = name;
}
public abstract ClassLoader createClassLoader() throws IOException;
public abstract List<String> getClassNames() throws IOException;
@Override
public String toString() {
return name;
}
@Override
public void close() throws IOException {
}
}
static class DirClassPathEntry extends ClassPathEntry {
private final File dir;
DirClassPathEntry(String name) {
super(name);
dir = new File(name);
assert dir.isDirectory();
}
@Override
public ClassLoader createClassLoader() throws IOException {
URL url = dir.toURI().toURL();
return new URLClassLoader(new URL[]{url});
}
@Override
public List<String> getClassNames() throws IOException {
List<String> classNames = new ArrayList<>();
String root = dir.getPath();
SimpleFileVisitor<Path> visitor = new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
if (attrs.isRegularFile()) {
File path = file.toFile();
if (path.getName().endsWith(".class")) {
String pathString = path.getPath();
assert pathString.startsWith(root);
String classFile = pathString.substring(root.length() + 1);
String className = classFile.replace(File.separatorChar, '.');
classNames.add(className.replace('/', '.').substring(0, className.length() - ".class".length()));
}
}
return super.visitFile(file, attrs);
}
};
Files.walkFileTree(dir.toPath(), visitor);
return classNames;
}
}
static class JarClassPathEntry extends ClassPathEntry {
private final JarFile jarFile;
JarClassPathEntry(String name) throws IOException {
super(name);
jarFile = new JarFile(name);
}
@Override
public ClassLoader createClassLoader() throws IOException {
URL url = new URL("jar", "", "file:" + name + "!/");
return new URLClassLoader(new URL[]{url});
}
static Pattern MultiReleaseJarVersionedClassRE = Pattern.compile("META-INF/versions/[1-9][0-9]*/(.+)");
@Override
public List<String> getClassNames() throws IOException {
Enumeration<JarEntry> e = jarFile.entries();
List<String> classNames = new ArrayList<>(jarFile.size());
while (e.hasMoreElements()) {
JarEntry je = e.nextElement();
if (je.isDirectory() || !je.getName().endsWith(".class")) {
continue;
}
String className = je.getName().substring(0, je.getName().length() - ".class".length());
if (className.equals("module-info")) {
continue;
}
if (className.startsWith("META-INF/versions/")) {
Matcher m = MultiReleaseJarVersionedClassRE.matcher(className);
if (m.matches()) {
className = m.group(1);
} else {
continue;
}
}
classNames.add(className.replace('/', '.'));
}
return classNames;
}
@Override
public void close() throws IOException {
jarFile.close();
}
}
static class JRTClassPathEntry extends ClassPathEntry {
private final String limitModules;
JRTClassPathEntry(String name, String limitModules) {
super(name);
this.limitModules = limitModules;
}
@Override
public ClassLoader createClassLoader() throws IOException {
URL url = URI.create("jrt:/").toURL();
return new URLClassLoader(new URL[]{url});
}
@Override
public List<String> getClassNames() throws IOException {
Set<String> negative = new HashSet<>();
Set<String> positive = new HashSet<>();
if (limitModules != null && !limitModules.isEmpty()) {
for (String s : limitModules.split(",")) {
if (s.startsWith("~")) {
negative.add(s.substring(1));
} else {
positive.add(s);
}
}
}
List<String> classNames = new ArrayList<>();
FileSystem fs = FileSystems.newFileSystem(URI.create("jrt:/"), Collections.emptyMap());
Path top = fs.getPath("/modules/");
Files.find(top, Integer.MAX_VALUE,
(path, attrs) -> attrs.isRegularFile()).forEach(p -> {
int nameCount = p.getNameCount();
if (nameCount > 2) {
String base = p.getName(nameCount - 1).toString();
if (base.endsWith(".class") && !base.equals("module-info.class")) {
String module = p.getName(1).toString();
if (positive.isEmpty() || positive.contains(module)) {
if (negative.isEmpty() || !negative.contains(module)) {
String className = p.subpath(2, nameCount).toString().replace('/', '.');
className = className.replace('/', '.').substring(0, className.length() - ".class".length());
classNames.add(className);
}
}
}
}
});
return classNames;
}
}
private boolean isClassIncluded(String className) {
if (methodFilter != null && !methodFilter.matchesClassName(className)) {
return false;
}
if (excludeMethodFilter != null && excludeMethodFilter.matchesClassName(className)) {
return false;
}
return true;
}
private ClassPathEntry openClassPathEntry(String entry) throws IOException {
if (entry.endsWith(".zip") || entry.endsWith(".jar")) {
return new JarClassPathEntry(entry);
} else if (entry.equals(JRT_CLASS_PATH_ENTRY)) {
return new JRTClassPathEntry(entry, Options.LimitModules.getValue(harnessOptions));
} else {
if (!new File(entry).isDirectory()) {
return null;
}
return new DirClassPathEntry(entry);
}
}
static final class CTWThread extends Thread {
private final LibGraalParams libgraal;
CTWThread(Runnable r, LibGraalParams libgraal) {
super(r);
this.libgraal = libgraal;
setName("CTWThread-" + getId());
setPriority(Thread.MAX_PRIORITY);
setDaemon(true);
}
@SuppressWarnings("try")
@Override
public void run() {
setContextClassLoader(getClass().getClassLoader());
try (LibGraalScope scope = libgraal == null ? null : new LibGraalScope()) {
super.run();
}
}
}
static final class CTWThreadFactory implements ThreadFactory {
private final LibGraalParams libgraal;
CTWThreadFactory(LibGraalParams libgraal) {
this.libgraal = libgraal;
}
@Override
public Thread newThread(Runnable r) {
return new CTWThread(r, libgraal);
}
}
@SuppressWarnings("try")
private void compile(String classPath, LibGraalParams libgraal) throws IOException {
final String[] entries = classPath.split(File.pathSeparator);
long start = System.nanoTime();
Map<Thread, StackTraceElement[]> initialThreads = Thread.getAllStackTraces();
if (libgraal == null) {
try {
HotSpotResolvedJavaMethod dummyMethod = (HotSpotResolvedJavaMethod) JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess().lookupJavaMethod(
CompileTheWorld.class.getDeclaredMethod("dummy"));
int entryBCI = JVMCICompiler.INVOCATION_ENTRY_BCI;
boolean useProfilingInfo = false;
boolean installAsDefault = false;
CompilationTask task = new CompilationTask(jvmciRuntime, compiler, new HotSpotCompilationRequest(dummyMethod, entryBCI, 0L), useProfilingInfo, installAsDefault);
task.runCompilation(compilerOptions);
} catch (NoSuchMethodException | SecurityException e1) {
printStackTrace(e1);
}
}
int threadCount = 1;
if (Options.MultiThreaded.getValue(harnessOptions)) {
threadCount = Options.Threads.getValue(harnessOptions);
if (threadCount == 0) {
threadCount = Runtime.getRuntime().availableProcessors();
}
} else {
running = true;
}
threadPool = new ThreadPoolExecutor(threadCount, threadCount, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), new CTWThreadFactory(libgraal));
int compileStartAt = startAt;
int compileStopAt = stopAt;
int compileStep = 1;
if (maxClasses != Integer.MAX_VALUE) {
int totalClassFileCount = 0;
for (String entry : entries) {
try (ClassPathEntry cpe = openClassPathEntry(entry)) {
if (cpe != null) {
totalClassFileCount += cpe.getClassNames().size();
}
}
}
int lastClassFile = totalClassFileCount - 1;
compileStartAt = Math.min(startAt, lastClassFile);
compileStopAt = Math.min(stopAt, lastClassFile);
int range = compileStopAt - compileStartAt + 1;
if (maxClasses < range) {
compileStep = range / maxClasses;
}
}
for (int i = 0; i < entries.length; i++) {
final String entry = entries[i];
try (ClassPathEntry cpe = openClassPathEntry(entry)) {
if (cpe == null) {
println("CompileTheWorld : Skipped classes in " + entry);
println();
continue;
}
if (methodFilter == null || methodFilter.matchesNothing()) {
println("CompileTheWorld : Compiling all classes in " + entry);
} else {
String include = methodFilter.toString();
println("CompileTheWorld : Compiling all methods in " + entry + " matching one of the following filters: " + include);
}
if (excludeMethodFilter != null && !excludeMethodFilter.matchesNothing()) {
String exclude = excludeMethodFilter.toString();
println("CompileTheWorld : Excluding all methods matching one of the following filters: " + exclude);
}
println();
ClassLoader loader = cpe.createClassLoader();
for (String className : cpe.getClassNames()) {
if (classFileCounter >= compileStopAt) {
break;
}
classFileCounter++;
if (compileStep > 1 && ((classFileCounter - compileStartAt) % compileStep) != 0) {
continue;
}
if (className.startsWith("jdk.management.") ||
className.startsWith("jdk.internal.cmm.*") ||
className.startsWith("sun.tools.jconsole.")) {
continue;
}
if (!isClassIncluded(className)) {
continue;
}
try {
Class<?> javaClass = Class.forName(className, true, loader);
MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess();
try {
HotSpotResolvedObjectType objectType = (HotSpotResolvedObjectType) metaAccess.lookupJavaType(javaClass);
ConstantPool constantPool = objectType.getConstantPool();
for (int cpi = 1; cpi < constantPool.length(); cpi++) {
constantPool.loadReferencedType(cpi, Bytecodes.LDC);
}
} catch (Throwable t) {
if (isClassIncluded(className)) {
println("Preloading failed for (%d) %s: %s", classFileCounter, className, t);
}
continue;
}
if (classFileCounter >= compileStartAt) {
long start0 = System.nanoTime();
for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) {
HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(constructor);
if (canBeCompiled(javaMethod, constructor.getModifiers())) {
compileMethod(javaMethod, libgraal);
}
}
for (Method method : javaClass.getDeclaredMethods()) {
HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method);
if (canBeCompiled(javaMethod, method.getModifiers())) {
compileMethod(javaMethod, libgraal);
}
}
HotSpotResolvedJavaMethod clinit = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaType(javaClass).getClassInitializer();
if (clinit != null && canBeCompiled(clinit, clinit.getModifiers())) {
compileMethod(clinit, libgraal);
}
println("CompileTheWorld (%d) : %s (%d us)", classFileCounter, className, (System.nanoTime() - start0) / 1000);
}
} catch (Throwable t) {
if (isClassIncluded(className)) {
println("CompileTheWorld (%d) : Skipping %s %s", classFileCounter, className, t.toString());
printStackTrace(t);
}
}
}
}
}
if (!running) {
startThreads();
}
int wakeups = 0;
long lastCompletedTaskCount = 0;
for (long completedTaskCount = threadPool.getCompletedTaskCount(); completedTaskCount != threadPool.getTaskCount(); completedTaskCount = threadPool.getCompletedTaskCount()) {
if (wakeups % 15 == 0) {
TTY.printf("CompileTheWorld : Waiting for %d compiles, just completed %d compiles%n", threadPool.getTaskCount() - completedTaskCount, completedTaskCount - lastCompletedTaskCount);
lastCompletedTaskCount = completedTaskCount;
}
try {
threadPool.awaitTermination(1, TimeUnit.SECONDS);
wakeups++;
} catch (InterruptedException e) {
}
}
threadPool.shutdown();
threadPool = null;
long elapsedTime = System.nanoTime() - start;
println();
int compiledClasses = classFileCounter > compileStartAt ? classFileCounter - compileStartAt : 0;
if (Options.MultiThreaded.getValue(harnessOptions)) {
TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms elapsed, %d ms compile time, %d bytes of memory used)", compiledClasses, compiledMethodsCounter.get(), elapsedTime,
compileTime.get() / 1000000, memoryUsed.get());
} else {
TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms, %d bytes of memory used)", compiledClasses, compiledMethodsCounter.get(), compileTime.get(), memoryUsed.get());
}
GlobalMetrics metricValues = ((HotSpotGraalRuntime) compiler.getGraalRuntime()).getMetricValues();
EconomicMap<MetricKey, Long> map = metricValues.asKeyValueMap();
Long compiledAndInstalledBytecodes = map.get(CompiledAndInstalledBytecodes);
Long compilationTime = map.get(CompilationTime);
if (compiledAndInstalledBytecodes != null && compilationTime != null) {
TTY.println("CompileTheWorld : Aggregate compile speed %d bytecodes per second (%d / %d)", (int) (compiledAndInstalledBytecodes / (compilationTime / 1000000000.0)),
compiledAndInstalledBytecodes, compilationTime);
}
metricValues.print(compilerOptions);
metricValues.clear();
Map<Thread, StackTraceElement[]> suspiciousThreads = new HashMap<>();
for (Map.Entry<Thread, StackTraceElement[]> e : Thread.getAllStackTraces().entrySet()) {
Thread thread = e.getKey();
if (thread != Thread.currentThread() && !initialThreads.containsKey(thread) && !thread.isDaemon() && thread.isAlive()) {
suspiciousThreads.put(thread, e.getValue());
}
}
if (!suspiciousThreads.isEmpty()) {
TTY.println("--- Non-daemon threads started during CTW ---");
for (Map.Entry<Thread, StackTraceElement[]> e : suspiciousThreads.entrySet()) {
Thread thread = e.getKey();
if (thread.isAlive()) {
TTY.println(thread.toString() + " " + thread.getState());
for (StackTraceElement ste : e.getValue()) {
TTY.println("\tat " + ste);
}
}
}
TTY.println("---------------------------------------------");
}
}
private synchronized void startThreads() {
running = true;
notifyAll();
}
private synchronized void waitToRun() {
while (!running) {
try {
wait();
} catch (InterruptedException e) {
}
}
}
@SuppressWarnings("try")
private void compileMethod(HotSpotResolvedJavaMethod method, LibGraalParams libgraal) throws InterruptedException, ExecutionException {
if (methodFilter != null && !methodFilter.matches(method)) {
return;
}
if (excludeMethodFilter != null && excludeMethodFilter.matches(method)) {
return;
}
Future<?> task = threadPool.submit(new Runnable() {
@Override
public void run() {
waitToRun();
compileMethod(method, classFileCounter, libgraal);
}
});
if (threadPool.getCorePoolSize() == 1) {
task.get();
}
}
private static final Unsafe UNSAFE = GraalUnsafeAccess.getUnsafe();
static native long compileMethodInLibgraal(long isolateThread,
long methodHandle,
boolean useProfilingInfo,
boolean installAsDefault,
long optionsAddress,
int optionsSize,
int optionsHash,
long encodedThrowableBufferAddress,
int encodedThrowableBufferSize);
@SuppressWarnings("try")
private void compileMethod(HotSpotResolvedJavaMethod method, int counter, LibGraalParams libgraal) {
try {
long start = System.nanoTime();
long allocatedAtStart = getCurrentThreadAllocatedBytes();
boolean useProfilingInfo = false;
boolean installAsDefault = false;
HotSpotInstalledCode installedCode;
if (libgraal != null) {
long methodHandle = LibGraal.translate(method);
long isolateThread = LibGraalScope.getIsolateThread();
StackTraceBuffer stackTraceBuffer = libgraal.getStackTraceBuffer();
long stackTraceBufferAddress = stackTraceBuffer.getAddress();
long installedCodeHandle = compileMethodInLibgraal(isolateThread,
methodHandle,
useProfilingInfo,
installAsDefault,
libgraal.options.getAddress(),
libgraal.options.size,
libgraal.options.hash,
stackTraceBufferAddress,
stackTraceBuffer.size);
installedCode = LibGraal.unhand(HotSpotInstalledCode.class, installedCodeHandle);
if (installedCode == null) {
int length = UNSAFE.getInt(stackTraceBufferAddress);
byte[] data = new byte[length];
UNSAFE.copyMemory(null, stackTraceBufferAddress + Integer.BYTES, data, ARRAY_BYTE_BASE_OFFSET, length);
String stackTrace = new String(data).trim();
println(true, String.format("CompileTheWorld (%d) : Error compiling method: %s", counter, method.format("%H.%n(%p):%r")));
println(true, stackTrace);
}
} else {
int entryBCI = JVMCICompiler.INVOCATION_ENTRY_BCI;
HotSpotCompilationRequest request = new HotSpotCompilationRequest(method, entryBCI, 0L);
CompilationTask task = new CompilationTask(jvmciRuntime, compiler, request, useProfilingInfo, installAsDefault);
task.runCompilation(compilerOptions);
installedCode = task.getInstalledCode();
}
if (installedCode != null && InvalidateInstalledCode.getValue(compilerOptions)) {
installedCode.invalidate();
}
memoryUsed.getAndAdd(getCurrentThreadAllocatedBytes() - allocatedAtStart);
compileTime.getAndAdd(System.nanoTime() - start);
compiledMethodsCounter.incrementAndGet();
} catch (Throwable t) {
println("CompileTheWorld (%d) : Error compiling method: %s", counter, method.format("%H.%n(%p):%r"));
printStackTrace(t);
}
}
private boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) {
if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) {
return false;
}
GraalHotSpotVMConfig c = compiler.getGraalRuntime().getVMConfig();
if (c.dontCompileHugeMethods && javaMethod.getCodeSize() > c.hugeMethodLimit) {
println(verbose || methodFilter != null,
String.format("CompileTheWorld (%d) : Skipping huge method %s (use -XX:-DontCompileHugeMethods or -XX:HugeMethodLimit=%d to include it)", classFileCounter,
javaMethod.format("%H.%n(%p):%r"),
javaMethod.getCodeSize()));
return false;
}
if (!javaMethod.canBeInlined()) {
return false;
}
for (Annotation annotation : javaMethod.getAnnotations()) {
if (annotation.annotationType().equals(Snippet.class)) {
return false;
}
}
return true;
}
static class Options {
public static final OptionKey<Boolean> Help = new OptionKey<>(false);
public static final OptionKey<String> Classpath = new OptionKey<>(CompileTheWorld.SUN_BOOT_CLASS_PATH);
public static final OptionKey<Boolean> Verbose = new OptionKey<>(true);
public static final OptionKey<String> LimitModules = new OptionKey<>("~jdk.internal.vm.compiler");
public static final OptionKey<Integer> Iterations = new OptionKey<>(1);
public static final OptionKey<String> MethodFilter = new OptionKey<>(null);
public static final OptionKey<String> ExcludeMethodFilter = new OptionKey<>(null);
public static final OptionKey<Integer> StartAt = new OptionKey<>(1);
public static final OptionKey<Integer> StopAt = new OptionKey<>(Integer.MAX_VALUE);
public static final OptionKey<Integer> MaxClasses = new OptionKey<>(Integer.MAX_VALUE);
public static final OptionKey<String> Config = new OptionKey<>(null);
public static final OptionKey<Boolean> MultiThreaded = new OptionKey<>(false);
public static final OptionKey<Integer> Threads = new OptionKey<>(0);
public static final OptionKey<Boolean> InvalidateInstalledCode = new OptionKey<>(false);
static final ReflectionOptionDescriptors DESCRIPTORS = new ReflectionOptionDescriptors(Options.class,
"Help", "List options and their help messages and then exit.",
"Classpath", "Class path denoting methods to compile. Default is to compile boot classes.",
"Verbose", "Verbose operation. Default is !MultiThreaded.",
"LimitModules", "Comma separated list of module names to which compilation should be limited. " +
"Module names can be prefixed with \"~\" to exclude the named module.",
"Iterations", "The number of iterations to perform.",
"MethodFilter", "Only compile methods matching this filter.",
"ExcludeMethodFilter", "Exclude methods matching this filter from compilation.",
"StartAt", "First class to consider for compilation (default = 1).",
"StopAt", "Last class to consider for compilation (default = <number of classes>).",
"MaxClasses", "Maximum number of classes to process (default = <number of classes>). " +
"Ignored if less than (StopAt - StartAt + 1).",
"Config", "Option values to use during compile the world compilations. For example, " +
"to disable partial escape analysis and print compilations specify " +
"'PartialEscapeAnalysis=false PrintCompilation=true'. " +
"Unless explicitly enabled with 'Inline=true' here, inlining is disabled.",
"MultiThreaded", "Run using multiple threads for compilation.",
"Threads", "Number of threads to use for multithreaded execution. Defaults to Runtime.getRuntime().availableProcessors().",
"InvalidateInstalledCode", "Invalidate the generated code so the code cache doesn't fill up.");
}
public static OptionValues loadHarnessOptions() {
EconomicMap<OptionKey<?>, Object> values = OptionValues.newOptionMap();
List<OptionDescriptors> loader = singletonList(DESCRIPTORS);
OptionsParser.parseOptions(extractEntries(System.getProperties(), "CompileTheWorld.", true), values, loader);
OptionValues options = new OptionValues(values);
if (Options.Help.getValue(options)) {
options.printHelp(loader, System.out, "CompileTheWorld.");
System.exit(0);
}
return options;
}
public static void main(String[] args) throws Throwable {
HotSpotJVMCIRuntime jvmciRuntime = HotSpotJVMCIRuntime.runtime();
HotSpotGraalCompiler compiler = (HotSpotGraalCompiler) jvmciRuntime.getCompiler();
HotSpotGraalRuntimeProvider graalRuntime = compiler.getGraalRuntime();
HotSpotCodeCacheProvider codeCache = graalRuntime.getHostProviders().getCodeCache();
OptionValues harnessOptions = loadHarnessOptions();
int iterations = Options.Iterations.getValue(harnessOptions);
for (int i = 0; i < iterations; i++) {
codeCache.resetCompilationStatistics();
TTY.println("CompileTheWorld : iteration " + i);
CompileTheWorld ctw = new CompileTheWorld(jvmciRuntime, compiler, harnessOptions, graalRuntime.getOptions());
ctw.compile();
if (iterations > 1) {
System.gc();
}
}
System.exit(0);
}
}
CompileTheWorld
static class initializer
jvmciRuntime: HotSpotJVMCIRuntime
