8256156: JFR: Allow 'jfr' tool to show metadata without a recording
Reviewed-by: egahlin
This commit is contained in:
parent
0b68ced027
commit
86e4c755f9
src/jdk.jfr/share/classes/jdk/jfr/internal/tool
test/jdk/jdk/jfr/tool
@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -31,6 +31,7 @@ import java.io.IOError;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.io.RandomAccessFile;
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import java.nio.charset.Charset;
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import java.nio.file.Files;
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import java.nio.file.InvalidPathException;
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import java.nio.file.Path;
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@ -38,7 +39,13 @@ import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Deque;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import jdk.jfr.EventType;
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abstract class Command {
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public final static String title = "Tool for working with Flight Recorder files (.jfr)";
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@ -236,7 +243,7 @@ abstract class Command {
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}
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}
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private void ensureAccess(Path path) throws UserDataException {
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final protected void ensureAccess(Path path) throws UserDataException {
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try (RandomAccessFile rad = new RandomAccessFile(path.toFile(), "r")) {
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if (rad.length() == 0) {
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throw new UserDataException("file is empty '" + path + "'");
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@ -303,4 +310,108 @@ abstract class Command {
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names.addAll(getAliases());
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return names;
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}
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}
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public static void checkCommonError(Deque<String> options, String typo, String correct) throws UserSyntaxException {
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if (typo.equals(options.peek())) {
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throw new UserSyntaxException("unknown option " + typo + ", did you mean " + correct + "?");
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}
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}
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final protected static char quoteCharacter() {
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return File.pathSeparatorChar == ';' ? '"' : '\'';
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}
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private static <T> Predicate<T> recurseIfPossible(Predicate<T> filter) {
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return x -> filter != null && filter.test(x);
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}
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private static String acronomify(String multipleWords) {
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boolean newWord = true;
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String acronym = "";
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for (char c : multipleWords.toCharArray()) {
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if (newWord) {
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if (Character.isAlphabetic(c) && Character.isUpperCase(c)) {
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acronym += c;
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}
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}
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newWord = Character.isWhitespace(c);
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}
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return acronym;
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}
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private static boolean match(String text, String filter) {
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if (filter.length() == 0) {
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// empty filter string matches if string is empty
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return text.length() == 0;
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}
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if (filter.charAt(0) == '*') { // recursive check
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filter = filter.substring(1);
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for (int n = 0; n <= text.length(); n++) {
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if (match(text.substring(n), filter))
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return true;
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}
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} else if (text.length() == 0) {
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// empty string and non-empty filter does not match
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return false;
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} else if (filter.charAt(0) == '?') {
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// eat any char and move on
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return match(text.substring(1), filter.substring(1));
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} else if (filter.charAt(0) == text.charAt(0)) {
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// eat chars and move on
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return match(text.substring(1), filter.substring(1));
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}
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return false;
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}
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private static List<String> explodeFilter(String filter) throws UserSyntaxException {
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List<String> list = new ArrayList<>();
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for (String s : filter.split(",")) {
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s = s.trim();
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if (!s.isEmpty()) {
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list.add(s);
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}
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}
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return list;
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}
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final protected static Predicate<EventType> addCategoryFilter(String filterText, Predicate<EventType> eventFilter) throws UserSyntaxException {
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List<String> filters = explodeFilter(filterText);
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Predicate<EventType> newFilter = recurseIfPossible(eventType -> {
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for (String category : eventType.getCategoryNames()) {
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for (String filter : filters) {
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if (match(category, filter)) {
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return true;
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}
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if (category.contains(" ") && acronomify(category).equals(filter)) {
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return true;
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}
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}
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}
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return false;
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});
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return eventFilter == null ? newFilter : eventFilter.or(newFilter);
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}
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final protected static Predicate<EventType> addEventFilter(String filterText, final Predicate<EventType> eventFilter) throws UserSyntaxException {
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List<String> filters = explodeFilter(filterText);
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Predicate<EventType> newFilter = recurseIfPossible(eventType -> {
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for (String filter : filters) {
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String fullEventName = eventType.getName();
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if (match(fullEventName, filter)) {
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return true;
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}
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String eventName = fullEventName.substring(fullEventName.lastIndexOf(".") + 1);
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if (match(eventName, filter)) {
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return true;
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}
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}
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return false;
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});
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return eventFilter == null ? newFilter : eventFilter.or(newFilter);
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}
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final protected static <T, X> Predicate<T> addCache(final Predicate<T> filter, Function<T, X> cacheFunction) {
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Map<X, Boolean> cache = new HashMap<>();
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return t -> cache.computeIfAbsent(cacheFunction.apply(t), x -> filter.test(t));
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}
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -75,6 +75,8 @@ public final class Main {
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System.out.println();
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System.out.println(" jfr metadata recording.jfr");
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System.out.println();
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System.out.println(" jfr metadata --categories GC,Detailed");
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System.out.println();
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System.out.println("For more information about available commands, use 'jfr help'");
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System.exit(EXIT_OK);
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -26,15 +26,25 @@
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package jdk.jfr.internal.tool;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.io.PrintWriter;
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import java.nio.charset.Charset;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.Deque;
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import java.util.List;
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import java.util.function.Predicate;
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import jdk.jfr.EventType;
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import jdk.jfr.FlightRecorder;
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import jdk.jfr.consumer.RecordingFile;
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import jdk.jfr.internal.PlatformEventType;
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import jdk.jfr.internal.PrivateAccess;
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import jdk.jfr.internal.Type;
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import jdk.jfr.internal.TypeLibrary;
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import jdk.jfr.internal.consumer.JdkJfrConsumer;
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final class Metadata extends Command {
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@ -91,7 +101,6 @@ final class Metadata extends Command {
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}
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}
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@Override
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public String getName() {
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return "metadata";
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@ -99,44 +108,158 @@ final class Metadata extends Command {
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@Override
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public List<String> getOptionSyntax() {
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return Collections.singletonList("<file>");
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List<String> list = new ArrayList<>();
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list.add("[--categories <filter>]");
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list.add("[--events <filter>]");
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list.add("[<file>]");
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return list;
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}
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@Override
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public String getDescription() {
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protected String getTitle() {
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return "Display event metadata, such as labels, descriptions and field layout";
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}
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@Override
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public String getDescription() {
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return getTitle() + ". See 'jfr help metadata' for details.";
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}
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@Override
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public void displayOptionUsage(PrintStream stream) {
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char q = quoteCharacter();
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stream.println(" --categories <filter> Select events matching a category name.");
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stream.println(" The filter is a comma-separated list of names,");
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stream.println(" simple and/or qualified, and/or quoted glob patterns");
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stream.println();
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stream.println(" --events <filter> Select events matching an event name.");
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stream.println(" The filter is a comma-separated list of names,");
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stream.println(" simple and/or qualified, and/or quoted glob patterns");
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stream.println();
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stream.println(" <file> Location of the recording file (.jfr)");
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stream.println();
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stream.println("If the <file> parameter is omitted, metadata from the JDK where");
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stream.println("the " + q + "jfr" + q + " tool is located will be used");
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stream.println();
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stream.println();
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stream.println("Example usage:");
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stream.println();
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stream.println(" jfr metadata");
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stream.println();
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stream.println(" jfr metadata --events jdk.ThreadStart recording.jfr");
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stream.println();
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stream.println(" jfr metadata --events CPULoad,GarbageCollection");
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stream.println();
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stream.println(" jfr metadata --categories " + q + "GC,JVM,Java*" + q);
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stream.println();
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stream.println(" jfr metadata --events " + q + "Thread*" + q);
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stream.println();
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}
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@Override
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public void execute(Deque<String> options) throws UserSyntaxException, UserDataException {
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Path file = getJFRInputFile(options);
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Path file = getOptionalJFRInputFile(options);
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boolean showIds = false;
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boolean foundEventFilter = false;
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boolean foundCategoryFilter = false;
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Predicate<EventType> filter = null;
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int optionCount = options.size();
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while (optionCount > 0) {
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if (acceptOption(options, "--ids")) {
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// internal option, doest not export to users
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if (acceptSingleOption(options, "--ids")) {
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showIds = true;
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}
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if (acceptFilterOption(options, "--events")) {
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if (foundEventFilter) {
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throw new UserSyntaxException("use --events event1,event2,event3 to include multiple events");
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}
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foundEventFilter = true;
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String filterStr = options.remove();
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warnForWildcardExpansion("--events", filterStr);
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filter = addEventFilter(filterStr, filter);
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}
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if (acceptFilterOption(options, "--categories")) {
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if (foundCategoryFilter) {
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throw new UserSyntaxException("use --categories category1,category2 to include multiple categories");
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}
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foundCategoryFilter = true;
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String filterStr = options.remove();
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warnForWildcardExpansion("--categories", filterStr);
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filter = addCategoryFilter(filterStr, filter);
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}
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if (optionCount == options.size()) {
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// No progress made
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checkCommonError(options, "--event", "--events");
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checkCommonError(options, "--category", "--categories");
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throw new UserSyntaxException("unknown option " + options.peek());
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}
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optionCount = options.size();
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}
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try (PrintWriter pw = new PrintWriter(System.out)) {
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try (PrintWriter pw = new PrintWriter(System.out, false, Charset.forName("UTF-8"))) {
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PrettyWriter prettyWriter = new PrettyWriter(pw);
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prettyWriter.setShowIds(showIds);
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try (RecordingFile rf = new RecordingFile(file)) {
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List<Type> types = PRIVATE_ACCESS.readTypes(rf);
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Collections.sort(types, new TypeComparator());
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for (Type type : types) {
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if (filter != null) {
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filter = addCache(filter, type -> type.getId());
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}
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List<Type> types = findTypes(file);
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Collections.sort(types, new TypeComparator());
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for (Type type : types) {
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if (filter != null) {
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// If --events or --categories, only operate on events
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if (Type.SUPER_TYPE_EVENT.equals(type.getSuperType())) {
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EventType et = PrivateAccess.getInstance().newEventType((PlatformEventType) type);
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if (filter.test(et)) {
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prettyWriter.printType(type);
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}
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}
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} else {
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prettyWriter.printType(type);
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}
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prettyWriter.flush(true);
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} catch (IOException ioe) {
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couldNotReadError(file, ioe);
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}
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prettyWriter.flush(true);
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pw.flush();
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}
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}
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private List<Type> findTypes(Path file) throws UserDataException {
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// Determine whether reading from recording file or reading from the JDK where
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// the jfr tool is located will be used
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if (file == null) {
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// Force initialization
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FlightRecorder.getFlightRecorder().getEventTypes();
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return TypeLibrary.getInstance().getTypes();
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}
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try (RecordingFile rf = new RecordingFile(file)) {
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return PRIVATE_ACCESS.readTypes(rf);
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} catch (IOException ioe) {
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couldNotReadError(file, ioe);
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}
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return null; // Can't reach
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}
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private Path getOptionalJFRInputFile(Deque<String> options) throws UserDataException {
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if (!options.isEmpty()) {
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String file = options.getLast();
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if (!file.startsWith("--")) {
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Path tmp = Paths.get(file).toAbsolutePath();
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if (tmp.toString().endsWith(".jfr")) {
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ensureAccess(tmp);
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options.removeLast();
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return tmp;
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}
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}
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}
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return null;
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}
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private static boolean acceptSingleOption(Deque<String> options, String expected) {
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if (expected.equals(options.peek())) {
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options.remove();
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return true;
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}
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return false;
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}
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2016, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -33,10 +33,7 @@ import java.nio.charset.Charset;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.Deque;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import jdk.jfr.EventType;
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@ -171,12 +168,6 @@ final class Print extends Command {
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pw.flush();
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}
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private void checkCommonError(Deque<String> options, String typo, String correct) throws UserSyntaxException {
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if (typo.equals(options.peek())) {
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throw new UserSyntaxException("unknown option " + typo + ", did you mean " + correct + "?");
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}
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}
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private static boolean acceptFormatterOption(Deque<String> options, EventPrintWriter eventWriter, String expected) throws UserSyntaxException {
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if (expected.equals(options.peek())) {
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if (eventWriter != null) {
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@ -187,102 +178,4 @@ final class Print extends Command {
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}
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return false;
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}
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private static <T, X> Predicate<T> addCache(final Predicate<T> filter, Function<T, X> cacheFunction) {
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Map<X, Boolean> cache = new HashMap<>();
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return t -> cache.computeIfAbsent(cacheFunction.apply(t), x -> filter.test(t));
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}
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private static <T> Predicate<T> recurseIfPossible(Predicate<T> filter) {
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return x -> filter != null && filter.test(x);
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}
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private static Predicate<EventType> addCategoryFilter(String filterText, Predicate<EventType> eventFilter) throws UserSyntaxException {
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List<String> filters = explodeFilter(filterText);
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Predicate<EventType> newFilter = recurseIfPossible(eventType -> {
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for (String category : eventType.getCategoryNames()) {
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for (String filter : filters) {
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if (match(category, filter)) {
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return true;
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}
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if (category.contains(" ") && acronomify(category).equals(filter)) {
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return true;
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}
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}
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}
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return false;
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});
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return eventFilter == null ? newFilter : eventFilter.or(newFilter);
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}
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private static String acronomify(String multipleWords) {
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boolean newWord = true;
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String acronym = "";
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for (char c : multipleWords.toCharArray()) {
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if (newWord) {
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if (Character.isAlphabetic(c) && Character.isUpperCase(c)) {
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acronym += c;
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}
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}
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newWord = Character.isWhitespace(c);
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}
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return acronym;
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}
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private static Predicate<EventType> addEventFilter(String filterText, final Predicate<EventType> eventFilter) throws UserSyntaxException {
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List<String> filters = explodeFilter(filterText);
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Predicate<EventType> newFilter = recurseIfPossible(eventType -> {
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for (String filter : filters) {
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String fullEventName = eventType.getName();
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if (match(fullEventName, filter)) {
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return true;
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}
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String eventName = fullEventName.substring(fullEventName.lastIndexOf(".") + 1);
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if (match(eventName, filter)) {
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return true;
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}
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}
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return false;
|
||||
});
|
||||
return eventFilter == null ? newFilter : eventFilter.or(newFilter);
|
||||
}
|
||||
|
||||
private static boolean match(String text, String filter) {
|
||||
if (filter.length() == 0) {
|
||||
// empty filter string matches if string is empty
|
||||
return text.length() == 0;
|
||||
}
|
||||
if (filter.charAt(0) == '*') { // recursive check
|
||||
filter = filter.substring(1);
|
||||
for (int n = 0; n <= text.length(); n++) {
|
||||
if (match(text.substring(n), filter))
|
||||
return true;
|
||||
}
|
||||
} else if (text.length() == 0) {
|
||||
// empty string and non-empty filter does not match
|
||||
return false;
|
||||
} else if (filter.charAt(0) == '?') {
|
||||
// eat any char and move on
|
||||
return match(text.substring(1), filter.substring(1));
|
||||
} else if (filter.charAt(0) == text.charAt(0)) {
|
||||
// eat chars and move on
|
||||
return match(text.substring(1), filter.substring(1));
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private static List<String> explodeFilter(String filter) throws UserSyntaxException {
|
||||
List<String> list = new ArrayList<>();
|
||||
for (String s : filter.split(",")) {
|
||||
s = s.trim();
|
||||
if (!s.isEmpty()) {
|
||||
list.add(s);
|
||||
}
|
||||
}
|
||||
return list;
|
||||
}
|
||||
|
||||
static char quoteCharacter() {
|
||||
return File.pathSeparatorChar == ';' ? '"' : '\'';
|
||||
}
|
||||
}
|
||||
|
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
|
||||
* Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
@ -26,11 +26,19 @@
|
||||
package jdk.jfr.tool;
|
||||
|
||||
import java.nio.file.Path;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Set;
|
||||
|
||||
import jdk.jfr.Category;
|
||||
import jdk.jfr.Event;
|
||||
import jdk.jfr.EventType;
|
||||
import jdk.jfr.FlightRecorder;
|
||||
import jdk.jfr.Name;
|
||||
import jdk.jfr.Registered;
|
||||
import jdk.jfr.consumer.RecordingFile;
|
||||
import jdk.test.lib.Asserts;
|
||||
import jdk.test.lib.process.OutputAnalyzer;
|
||||
|
||||
/**
|
||||
@ -44,14 +52,23 @@ import jdk.test.lib.process.OutputAnalyzer;
|
||||
public class TestMetadata {
|
||||
|
||||
public static void main(String[] args) throws Throwable {
|
||||
testUnfiltered();
|
||||
testIllegalOption();
|
||||
testNumberOfEventTypes();
|
||||
|
||||
FlightRecorder.register(MyEvent1.class);
|
||||
FlightRecorder.register(MyEvent2.class);
|
||||
FlightRecorder.register(MyEvent3.class);
|
||||
String file = ExecuteHelper.createProfilingRecording().toAbsolutePath().toAbsolutePath().toString();
|
||||
testEventFilter(file);
|
||||
testWildcard(file);
|
||||
}
|
||||
|
||||
static void testUnfiltered() throws Throwable {
|
||||
Path f = ExecuteHelper.createProfilingRecording().toAbsolutePath();
|
||||
String file = f.toAbsolutePath().toString();
|
||||
|
||||
OutputAnalyzer output = ExecuteHelper.jfr("metadata");
|
||||
output.shouldContain("missing file");
|
||||
|
||||
output = ExecuteHelper.jfr("metadata", "--wrongOption", file);
|
||||
output.shouldContain("unknown option --wrongOption");
|
||||
output.shouldContain("extends jdk.jfr.Event");
|
||||
|
||||
output = ExecuteHelper.jfr("metadata", file);
|
||||
try (RecordingFile rf = new RecordingFile(f)) {
|
||||
@ -75,4 +92,88 @@ public class TestMetadata {
|
||||
lineNumber++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void testIllegalOption() throws Throwable {
|
||||
Path f = ExecuteHelper.createProfilingRecording().toAbsolutePath();
|
||||
String file = f.toAbsolutePath().toString();
|
||||
OutputAnalyzer output = ExecuteHelper.jfr("metadata", "--wrongOption", file);
|
||||
output.shouldContain("unknown option --wrongOption");
|
||||
|
||||
output = ExecuteHelper.jfr("metadata", "--wrongOption2");
|
||||
output.shouldContain("unknown option --wrongOption2");
|
||||
}
|
||||
|
||||
static void testNumberOfEventTypes() throws Throwable {
|
||||
OutputAnalyzer output = ExecuteHelper.jfr("metadata");
|
||||
int count = 0;
|
||||
for (String line : output.asLines()) {
|
||||
if (line.contains("extends jdk.jfr.Event")) {
|
||||
count++;
|
||||
}
|
||||
}
|
||||
Asserts.assertEquals(count, FlightRecorder.getFlightRecorder().getEventTypes().size());
|
||||
}
|
||||
|
||||
static void testEventFilter(String file) throws Throwable {
|
||||
OutputAnalyzer output = ExecuteHelper.jfr("metadata", "--events", "MyEvent1,MyEvent2", file);
|
||||
int count = 0;
|
||||
for (String line : output.asLines()) {
|
||||
if (line.contains("extends jdk.jfr.Event")) {
|
||||
Asserts.assertTrue(line.contains("MyEvent1") || line.contains("MyEvent2"));
|
||||
count++;
|
||||
}
|
||||
}
|
||||
Asserts.assertEQ(count, 2);
|
||||
|
||||
output = ExecuteHelper.jfr("metadata", "--categories", "Customized", file);
|
||||
count = 0;
|
||||
for (String line : output.asLines()) {
|
||||
if (line.contains("extends jdk.jfr.Event")) {
|
||||
Asserts.assertTrue(line.contains("MyEvent1") || line.contains("MyEvent2") || line.contains("MyEvent3"));
|
||||
count++;
|
||||
}
|
||||
}
|
||||
Asserts.assertEQ(count, 3);
|
||||
}
|
||||
|
||||
static void testWildcard(String file) throws Throwable {
|
||||
OutputAnalyzer output = ExecuteHelper.jfr("metadata", "--events", "MyEv*", file);
|
||||
int count = 0;
|
||||
for (String line : output.asLines()) {
|
||||
if (line.contains("extends jdk.jfr.Event")) {
|
||||
count++;
|
||||
Asserts.assertTrue(line.contains("MyEvent"));
|
||||
}
|
||||
}
|
||||
Asserts.assertEQ(count, 3);
|
||||
|
||||
output = ExecuteHelper.jfr("metadata", "--categories", "Custo*", file);
|
||||
count = 0;
|
||||
for (String line : output.asLines()) {
|
||||
if (line.startsWith("@Category")) {
|
||||
Asserts.assertTrue(line.contains("Customized"));
|
||||
}
|
||||
if (line.contains("extends jdk.jfr.Event")) {
|
||||
count++;
|
||||
Asserts.assertTrue(line.contains("MyEvent"));
|
||||
}
|
||||
}
|
||||
Asserts.assertEQ(count, 3);
|
||||
}
|
||||
|
||||
@Registered(false)
|
||||
@Category("Customized")
|
||||
@Name("MyEvent1")
|
||||
private static class MyEvent1 extends Event {
|
||||
}
|
||||
@Registered(false)
|
||||
@Category("Customized")
|
||||
@Name("MyEvent2")
|
||||
private static class MyEvent2 extends Event {
|
||||
}
|
||||
@Registered(false)
|
||||
@Category("Customized")
|
||||
@Name("MyEvent3")
|
||||
private static class MyEvent3 extends Event {
|
||||
}
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user