702 lines
28 KiB
Java
702 lines
28 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// XXX TODO: Source code line length
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// XXX TODO: More JavaDoc
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// XXX Optional: Add support for com.sun.management specific mbean
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// (http://docs.oracle.com/javase/7/docs/jre/api/management/extension/index.html)
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// XXX Optional: Wire additional public static methods implemented here
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// to the manager (think about manager access roles!)
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// setLoggerLevel(),
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// setVerboseClassLoading(),
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// setThreadContentionMonitoringEnabled(),
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// setThreadCpuTimeEnabled(),
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// resetPeakThreadCount(),
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// setVerboseGarbageCollection()
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// gc(),
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// resetPeakUsage(),
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// setUsageThreshold(),
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// setCollectionUsageThreshold()
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package org.apache.tomcat.util;
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import java.lang.management.ClassLoadingMXBean;
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import java.lang.management.CompilationMXBean;
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import java.lang.management.GarbageCollectorMXBean;
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import java.lang.management.LockInfo;
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import java.lang.management.ManagementFactory;
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import java.lang.management.MemoryMXBean;
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import java.lang.management.MemoryManagerMXBean;
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import java.lang.management.MemoryPoolMXBean;
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import java.lang.management.MemoryUsage;
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import java.lang.management.MonitorInfo;
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import java.lang.management.OperatingSystemMXBean;
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import java.lang.management.PlatformLoggingMXBean;
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import java.lang.management.RuntimeMXBean;
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import java.lang.management.ThreadInfo;
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import java.lang.management.ThreadMXBean;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Date;
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import java.util.Enumeration;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import org.apache.juli.logging.Log;
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import org.apache.juli.logging.LogFactory;
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import org.apache.tomcat.util.res.StringManager;
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public class Diagnostics {
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private static final String PACKAGE = "org.apache.tomcat.util";
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private static final StringManager sm = StringManager.getManager(PACKAGE);
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private static final String INDENT1 = " ";
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private static final String INDENT2 = "\t";
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private static final String INDENT3 = " ";
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private static final String CRLF = "\r\n";
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private static final String vminfoSystemProperty = "java.vm.info";
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private static final Log log = LogFactory.getLog(Diagnostics.class);
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private static final SimpleDateFormat timeformat =
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new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
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/* Some platform MBeans */
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private static final ClassLoadingMXBean classLoadingMXBean =
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ManagementFactory.getClassLoadingMXBean();
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private static final CompilationMXBean compilationMXBean =
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ManagementFactory.getCompilationMXBean();
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private static final OperatingSystemMXBean operatingSystemMXBean =
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ManagementFactory.getOperatingSystemMXBean();
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private static final RuntimeMXBean runtimeMXBean =
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ManagementFactory.getRuntimeMXBean();
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private static final ThreadMXBean threadMXBean =
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ManagementFactory.getThreadMXBean();
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// XXX Not sure whether the following MBeans should better
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// be retrieved on demand, i.e. whether they can change
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// dynamically in the MBeanServer.
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private static final PlatformLoggingMXBean loggingMXBean =
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ManagementFactory.getPlatformMXBean(PlatformLoggingMXBean.class);
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private static final MemoryMXBean memoryMXBean =
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ManagementFactory.getMemoryMXBean();
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private static final List<GarbageCollectorMXBean> garbageCollectorMXBeans =
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ManagementFactory.getGarbageCollectorMXBeans();
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private static final List<MemoryManagerMXBean> memoryManagerMXBeans =
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ManagementFactory.getMemoryManagerMXBeans();
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private static final List<MemoryPoolMXBean> memoryPoolMXBeans =
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ManagementFactory.getMemoryPoolMXBeans();
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/**
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* Check whether thread contention monitoring is enabled.
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*
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* @return true if thread contention monitoring is enabled
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*/
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public static boolean isThreadContentionMonitoringEnabled() {
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return threadMXBean.isThreadContentionMonitoringEnabled();
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}
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/**
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* Enable or disable thread contention monitoring via the ThreadMxMXBean.
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*
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* @param enable whether to enable thread contention monitoring
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*/
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public static void setThreadContentionMonitoringEnabled(boolean enable) {
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threadMXBean.setThreadContentionMonitoringEnabled(enable);
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boolean checkValue = threadMXBean.isThreadContentionMonitoringEnabled();
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if (enable != checkValue) {
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log.error("Could not set threadContentionMonitoringEnabled to " +
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enable + ", got " + checkValue + " instead");
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}
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}
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/**
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* Check whether thread cpu time measurement is enabled.
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*
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* @return true if thread cpu time measurement is enabled
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*/
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public static boolean isThreadCpuTimeEnabled() {
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return threadMXBean.isThreadCpuTimeEnabled();
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}
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/**
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* Enable or disable thread cpu time measurement via the ThreadMxMXBean.
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*
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* @param enable whether to enable thread cpu time measurement
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*/
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public static void setThreadCpuTimeEnabled(boolean enable) {
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threadMXBean.setThreadCpuTimeEnabled(enable);
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boolean checkValue = threadMXBean.isThreadCpuTimeEnabled();
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if (enable != checkValue) {
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log.error("Could not set threadCpuTimeEnabled to " + enable +
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", got " + checkValue + " instead");
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}
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}
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/**
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* Reset peak thread count in ThreadMXBean
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*/
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public static void resetPeakThreadCount() {
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threadMXBean.resetPeakThreadCount();
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}
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/**
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* Set verbose class loading
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*
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* @param verbose whether to enable verbose class loading
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*/
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public static void setVerboseClassLoading(boolean verbose) {
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classLoadingMXBean.setVerbose(verbose);
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boolean checkValue = classLoadingMXBean.isVerbose();
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if (verbose != checkValue) {
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log.error("Could not set verbose class loading to " + verbose +
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", got " + checkValue + " instead");
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}
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}
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/**
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* Set logger level
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*
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* @param loggerName the name of the logger
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* @param levelName the level to set
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*/
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public static void setLoggerLevel(String loggerName, String levelName) {
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loggingMXBean.setLoggerLevel(loggerName, levelName);
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String checkValue = loggingMXBean.getLoggerLevel(loggerName);
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if (!checkValue.equals(levelName)) {
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log.error("Could not set logger level for logger '" +
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loggerName + "' to '" + levelName +
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"', got '" + checkValue + "' instead");
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}
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}
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/**
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* Set verbose garbage collection logging
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*
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* @param verbose whether to enable verbose gc logging
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*/
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public static void setVerboseGarbageCollection(boolean verbose) {
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memoryMXBean.setVerbose(verbose);
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boolean checkValue = memoryMXBean.isVerbose();
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if (verbose != checkValue) {
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log.error("Could not set verbose garbage collection logging to " + verbose +
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", got " + checkValue + " instead");
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}
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}
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/**
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* Initiate garbage collection via MX Bean
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*/
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public static void gc() {
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memoryMXBean.gc();
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}
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/**
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* Reset peak memory usage data in MemoryPoolMXBean
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*
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* @param name name of the MemoryPoolMXBean or "all"
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*/
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public static void resetPeakUsage(String name) {
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for (MemoryPoolMXBean mbean: memoryPoolMXBeans) {
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if (name.equals("all") || name.equals(mbean.getName())) {
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mbean.resetPeakUsage();
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}
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}
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}
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/**
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* Set usage threshold in MemoryPoolMXBean
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*
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* @param name name of the MemoryPoolMXBean
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* @param threshold the threshold to set
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* @return true if setting the threshold succeeded
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*/
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public static boolean setUsageThreshold(String name, long threshold) {
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for (MemoryPoolMXBean mbean: memoryPoolMXBeans) {
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if (name.equals(mbean.getName())) {
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try {
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mbean.setUsageThreshold(threshold);
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return true;
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} catch (IllegalArgumentException ex) {
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// IGNORE
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} catch (UnsupportedOperationException ex) {
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// IGNORE
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}
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return false;
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}
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}
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return false;
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}
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/**
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* Set collection usage threshold in MemoryPoolMXBean
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*
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* @param name name of the MemoryPoolMXBean
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* @param threshold the collection threshold to set
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* @return true if setting the threshold succeeded
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*/
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public static boolean setCollectionUsageThreshold(String name, long threshold) {
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for (MemoryPoolMXBean mbean: memoryPoolMXBeans) {
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if (name.equals(mbean.getName())) {
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try {
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mbean.setCollectionUsageThreshold(threshold);
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return true;
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} catch (IllegalArgumentException ex) {
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// IGNORE
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} catch (UnsupportedOperationException ex) {
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// IGNORE
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}
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return false;
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}
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}
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return false;
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}
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/**
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* Formats the thread dump header for one thread.
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*
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* @param ti the ThreadInfo describing the thread
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* @return the formatted thread dump header
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*/
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private static String getThreadDumpHeader(ThreadInfo ti) {
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StringBuilder sb = new StringBuilder("\"" + ti.getThreadName() + "\"");
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sb.append(" Id=" + ti.getThreadId());
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sb.append(" cpu=" + threadMXBean.getThreadCpuTime(ti.getThreadId()) +
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" ns");
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sb.append(" usr=" + threadMXBean.getThreadUserTime(ti.getThreadId()) +
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" ns");
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sb.append(" blocked " + ti.getBlockedCount() + " for " +
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ti.getBlockedTime() + " ms");
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sb.append(" waited " + ti.getWaitedCount() + " for " +
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ti.getWaitedTime() + " ms");
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if (ti.isSuspended()) {
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sb.append(" (suspended)");
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}
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if (ti.isInNative()) {
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sb.append(" (running in native)");
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}
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sb.append(CRLF);
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sb.append(INDENT3 + "java.lang.Thread.State: " + ti.getThreadState());
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sb.append(CRLF);
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return sb.toString();
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}
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/**
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* Formats the thread dump for one thread.
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*
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* @param ti the ThreadInfo describing the thread
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* @return the formatted thread dump
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*/
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private static String getThreadDump(ThreadInfo ti) {
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StringBuilder sb = new StringBuilder(getThreadDumpHeader(ti));
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for (LockInfo li : ti.getLockedSynchronizers()) {
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sb.append(INDENT2 + "locks " +
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li.toString() + CRLF);
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}
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boolean start = true;
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StackTraceElement[] stes = ti.getStackTrace();
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Object[] monitorDepths = new Object[stes.length];
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MonitorInfo[] mis = ti.getLockedMonitors();
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for (int i = 0; i < mis.length; i++) {
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monitorDepths[mis[i].getLockedStackDepth()] = mis[i];
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}
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for (int i = 0; i < stes.length; i++) {
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StackTraceElement ste = stes[i];
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sb.append(INDENT2 +
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"at " + ste.toString() + CRLF);
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if (start) {
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if (ti.getLockName() != null) {
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sb.append(INDENT2 + "- waiting on (a " +
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ti.getLockName() + ")");
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if (ti.getLockOwnerName() != null) {
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sb.append(" owned by " + ti.getLockOwnerName() +
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" Id=" + ti.getLockOwnerId());
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}
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sb.append(CRLF);
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}
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start = false;
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}
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if (monitorDepths[i] != null) {
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MonitorInfo mi = (MonitorInfo)monitorDepths[i];
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sb.append(INDENT2 +
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"- locked (a " + mi.toString() + ")"+
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" index " + mi.getLockedStackDepth() +
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" frame " + mi.getLockedStackFrame().toString());
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sb.append(CRLF);
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}
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}
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return sb.toString();
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}
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/**
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* Formats the thread dump for a list of threads.
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*
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* @param tinfos the ThreadInfo array describing the thread list
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* @return the formatted thread dump
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*/
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private static String getThreadDump(ThreadInfo[] tinfos) {
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StringBuilder sb = new StringBuilder();
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for (ThreadInfo tinfo : tinfos) {
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sb.append(getThreadDump(tinfo));
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sb.append(CRLF);
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}
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return sb.toString();
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}
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/**
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* Check if any threads are deadlocked. If any, print
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* the thread dump for those threads.
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*
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* @return a deadlock message and the formatted thread dump
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* of the deadlocked threads
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*/
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public static String findDeadlock() {
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ThreadInfo[] tinfos = null;
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long[] ids = threadMXBean.findDeadlockedThreads();
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if (ids != null) {
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tinfos = threadMXBean.getThreadInfo(threadMXBean.findDeadlockedThreads(),
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true, true);
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if (tinfos != null) {
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StringBuilder sb =
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new StringBuilder("Deadlock found between the following threads:");
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sb.append(CRLF);
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sb.append(getThreadDump(tinfos));
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return sb.toString();
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}
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}
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return "";
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}
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/**
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* Retrieves a formatted JVM thread dump.
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* The default StringManager will be used.
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*
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* @return the formatted JVM thread dump
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*/
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public static String getThreadDump() {
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return getThreadDump(sm);
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}
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/**
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* Retrieves a formatted JVM thread dump.
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* The given list of locales will be used
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* to retrieve a StringManager.
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*
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* @param requestedLocales list of locales to use
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* @return the formatted JVM thread dump
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*/
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public static String getThreadDump(Enumeration<Locale> requestedLocales) {
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return getThreadDump(
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StringManager.getManager(PACKAGE, requestedLocales));
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}
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/**
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* Retrieve a JVM thread dump formatted
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* using the given StringManager.
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*
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* @param requestedSm the StringManager to use
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* @return the formatted JVM thread dump
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*/
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public static String getThreadDump(StringManager requestedSm) {
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StringBuilder sb = new StringBuilder();
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synchronized(timeformat) {
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sb.append(timeformat.format(new Date()));
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}
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sb.append(CRLF);
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sb.append(requestedSm.getString("diagnostics.threadDumpTitle"));
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sb.append(" ");
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sb.append(runtimeMXBean.getVmName());
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sb.append(" (");
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sb.append(runtimeMXBean.getVmVersion());
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String vminfo = System.getProperty(vminfoSystemProperty);
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if (vminfo != null) {
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sb.append(" " + vminfo);
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}
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sb.append("):" + CRLF);
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sb.append(CRLF);
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ThreadInfo[] tis = threadMXBean.dumpAllThreads(true, true);
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sb.append(getThreadDump(tis));
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sb.append(findDeadlock());
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return sb.toString();
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}
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/**
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* Format contents of a MemoryUsage object.
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* @param name a text prefix used in formatting
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* @param usage the MemoryUsage object to format
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* @return the formatted contents
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*/
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private static String formatMemoryUsage(String name, MemoryUsage usage) {
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if (usage != null) {
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StringBuilder sb = new StringBuilder();
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sb.append(INDENT1 + name + " init: " + usage.getInit() + CRLF);
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sb.append(INDENT1 + name + " used: " + usage.getUsed() + CRLF);
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sb.append(INDENT1 + name + " committed: " + usage.getCommitted() + CRLF);
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sb.append(INDENT1 + name + " max: " + usage.getMax() + CRLF);
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return sb.toString();
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}
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return "";
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}
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/**
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* Retrieves a formatted JVM information text.
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* The default StringManager will be used.
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*
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* @return the formatted JVM information text
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*/
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public static String getVMInfo() {
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return getVMInfo(sm);
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}
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/**
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* Retrieves a formatted JVM information text.
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* The given list of locales will be used
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* to retrieve a StringManager.
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*
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* @param requestedLocales list of locales to use
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* @return the formatted JVM information text
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*/
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public static String getVMInfo(Enumeration<Locale> requestedLocales) {
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return getVMInfo(StringManager.getManager(PACKAGE, requestedLocales));
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}
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/**
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* Retrieve a JVM information text formatted
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* using the given StringManager.
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*
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* @param requestedSm the StringManager to use
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* @return the formatted JVM information text
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*/
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public static String getVMInfo(StringManager requestedSm) {
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StringBuilder sb = new StringBuilder();
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synchronized(timeformat) {
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sb.append(timeformat.format(new Date()));
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}
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sb.append(CRLF);
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sb.append(requestedSm.getString("diagnostics.vmInfoRuntime"));
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sb.append(":" + CRLF);
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sb.append(INDENT1 + "vmName: " + runtimeMXBean.getVmName() + CRLF);
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sb.append(INDENT1 + "vmVersion: " + runtimeMXBean.getVmVersion() + CRLF);
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sb.append(INDENT1 + "vmVendor: " + runtimeMXBean.getVmVendor() + CRLF);
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sb.append(INDENT1 + "specName: " + runtimeMXBean.getSpecName() + CRLF);
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sb.append(INDENT1 + "specVersion: " + runtimeMXBean.getSpecVersion() + CRLF);
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sb.append(INDENT1 + "specVendor: " + runtimeMXBean.getSpecVendor() + CRLF);
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sb.append(INDENT1 + "managementSpecVersion: " +
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runtimeMXBean.getManagementSpecVersion() + CRLF);
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sb.append(INDENT1 + "name: " + runtimeMXBean.getName() + CRLF);
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sb.append(INDENT1 + "startTime: " + runtimeMXBean.getStartTime() + CRLF);
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sb.append(INDENT1 + "uptime: " + runtimeMXBean.getUptime() + CRLF);
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sb.append(INDENT1 + "isBootClassPathSupported: " +
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runtimeMXBean.isBootClassPathSupported() + CRLF);
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sb.append(CRLF);
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|
sb.append(requestedSm.getString("diagnostics.vmInfoOs"));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "name: " + operatingSystemMXBean.getName() + CRLF);
|
|
sb.append(INDENT1 + "version: " + operatingSystemMXBean.getVersion() + CRLF);
|
|
sb.append(INDENT1 + "architecture: " + operatingSystemMXBean.getArch() + CRLF);
|
|
sb.append(INDENT1 + "availableProcessors: " +
|
|
operatingSystemMXBean.getAvailableProcessors() + CRLF);
|
|
sb.append(INDENT1 + "systemLoadAverage: " +
|
|
operatingSystemMXBean.getSystemLoadAverage() + CRLF);
|
|
sb.append(CRLF);
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoThreadMxBean"));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "isCurrentThreadCpuTimeSupported: " +
|
|
threadMXBean.isCurrentThreadCpuTimeSupported() + CRLF);
|
|
sb.append(INDENT1 + "isThreadCpuTimeSupported: " +
|
|
threadMXBean.isThreadCpuTimeSupported() + CRLF);
|
|
sb.append(INDENT1 + "isThreadCpuTimeEnabled: " +
|
|
threadMXBean.isThreadCpuTimeEnabled() + CRLF);
|
|
sb.append(INDENT1 + "isObjectMonitorUsageSupported: " +
|
|
threadMXBean.isObjectMonitorUsageSupported() + CRLF);
|
|
sb.append(INDENT1 + "isSynchronizerUsageSupported: " +
|
|
threadMXBean.isSynchronizerUsageSupported() + CRLF);
|
|
sb.append(INDENT1 + "isThreadContentionMonitoringSupported: " +
|
|
threadMXBean.isThreadContentionMonitoringSupported() + CRLF);
|
|
sb.append(INDENT1 + "isThreadContentionMonitoringEnabled: " +
|
|
threadMXBean.isThreadContentionMonitoringEnabled() + CRLF);
|
|
sb.append(CRLF);
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoThreadCounts"));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "daemon: " + threadMXBean.getDaemonThreadCount() + CRLF);
|
|
sb.append(INDENT1 + "total: " + threadMXBean.getThreadCount() + CRLF);
|
|
sb.append(INDENT1 + "peak: " + threadMXBean.getPeakThreadCount() + CRLF);
|
|
sb.append(INDENT1 + "totalStarted: " +
|
|
threadMXBean.getTotalStartedThreadCount() + CRLF);
|
|
sb.append(CRLF);
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoStartup"));
|
|
sb.append(":" + CRLF);
|
|
for (String arg: runtimeMXBean.getInputArguments()) {
|
|
sb.append(INDENT1 + arg + CRLF);
|
|
}
|
|
sb.append(CRLF);
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoPath"));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "bootClassPath: " + runtimeMXBean.getBootClassPath() + CRLF);
|
|
sb.append(INDENT1 + "classPath: " + runtimeMXBean.getClassPath() + CRLF);
|
|
sb.append(INDENT1 + "libraryPath: " + runtimeMXBean.getLibraryPath() + CRLF);
|
|
sb.append(CRLF);
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoClassLoading"));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "loaded: " +
|
|
classLoadingMXBean.getLoadedClassCount() + CRLF);
|
|
sb.append(INDENT1 + "unloaded: " +
|
|
classLoadingMXBean.getUnloadedClassCount() + CRLF);
|
|
sb.append(INDENT1 + "totalLoaded: " +
|
|
classLoadingMXBean.getTotalLoadedClassCount() + CRLF);
|
|
sb.append(INDENT1 + "isVerbose: " +
|
|
classLoadingMXBean.isVerbose() + CRLF);
|
|
sb.append(CRLF);
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoClassCompilation"));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "name: " + compilationMXBean.getName() + CRLF);
|
|
sb.append(INDENT1 + "totalCompilationTime: " +
|
|
compilationMXBean.getTotalCompilationTime() + CRLF);
|
|
sb.append(INDENT1 + "isCompilationTimeMonitoringSupported: " +
|
|
compilationMXBean.isCompilationTimeMonitoringSupported() + CRLF);
|
|
sb.append(CRLF);
|
|
|
|
for (MemoryManagerMXBean mbean: memoryManagerMXBeans) {
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoMemoryManagers", mbean.getName()));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "isValid: " + mbean.isValid() + CRLF);
|
|
sb.append(INDENT1 + "mbean.getMemoryPoolNames: " + CRLF);
|
|
String[] names = mbean.getMemoryPoolNames();
|
|
Arrays.sort(names);
|
|
for (String name: names) {
|
|
sb.append(INDENT2 + name + CRLF);
|
|
}
|
|
sb.append(CRLF);
|
|
}
|
|
|
|
for (GarbageCollectorMXBean mbean: garbageCollectorMXBeans) {
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoGarbageCollectors", mbean.getName()));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "isValid: " + mbean.isValid() + CRLF);
|
|
sb.append(INDENT1 + "mbean.getMemoryPoolNames: " + CRLF);
|
|
String[] names = mbean.getMemoryPoolNames();
|
|
Arrays.sort(names);
|
|
for (String name: names) {
|
|
sb.append(INDENT2 + name + CRLF);
|
|
}
|
|
sb.append(INDENT1 + "getCollectionCount: " + mbean.getCollectionCount() + CRLF);
|
|
sb.append(INDENT1 + "getCollectionTime: " + mbean.getCollectionTime() + CRLF);
|
|
sb.append(CRLF);
|
|
}
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoMemory"));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "isVerbose: " + memoryMXBean.isVerbose() + CRLF);
|
|
sb.append(INDENT1 + "getObjectPendingFinalizationCount: " + memoryMXBean.getObjectPendingFinalizationCount() + CRLF);
|
|
sb.append(formatMemoryUsage("heap", memoryMXBean.getHeapMemoryUsage()));
|
|
sb.append(formatMemoryUsage("non-heap", memoryMXBean.getNonHeapMemoryUsage()));
|
|
sb.append(CRLF);
|
|
|
|
for (MemoryPoolMXBean mbean: memoryPoolMXBeans) {
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoMemoryPools", mbean.getName()));
|
|
sb.append(":" + CRLF);
|
|
sb.append(INDENT1 + "isValid: " + mbean.isValid() + CRLF);
|
|
sb.append(INDENT1 + "getType: " + mbean.getType() + CRLF);
|
|
sb.append(INDENT1 + "mbean.getMemoryManagerNames: " + CRLF);
|
|
String[] names = mbean.getMemoryManagerNames();
|
|
Arrays.sort(names);
|
|
for (String name: names) {
|
|
sb.append(INDENT2 + name + CRLF);
|
|
}
|
|
sb.append(INDENT1 + "isUsageThresholdSupported: " + mbean.isUsageThresholdSupported() + CRLF);
|
|
try {
|
|
sb.append(INDENT1 + "isUsageThresholdExceeded: " + mbean.isUsageThresholdExceeded() + CRLF);
|
|
} catch (UnsupportedOperationException ex) {
|
|
// IGNORE
|
|
}
|
|
sb.append(INDENT1 + "isCollectionUsageThresholdSupported: " + mbean.isCollectionUsageThresholdSupported() + CRLF);
|
|
try {
|
|
sb.append(INDENT1 + "isCollectionUsageThresholdExceeded: " + mbean.isCollectionUsageThresholdExceeded() + CRLF);
|
|
} catch (UnsupportedOperationException ex) {
|
|
// IGNORE
|
|
}
|
|
try {
|
|
sb.append(INDENT1 + "getUsageThreshold: " + mbean.getUsageThreshold() + CRLF);
|
|
} catch (UnsupportedOperationException ex) {
|
|
// IGNORE
|
|
}
|
|
try {
|
|
sb.append(INDENT1 + "getUsageThresholdCount: " + mbean.getUsageThresholdCount() + CRLF);
|
|
} catch (UnsupportedOperationException ex) {
|
|
// IGNORE
|
|
}
|
|
try {
|
|
sb.append(INDENT1 + "getCollectionUsageThreshold: " + mbean.getCollectionUsageThreshold() + CRLF);
|
|
} catch (UnsupportedOperationException ex) {
|
|
// IGNORE
|
|
}
|
|
try {
|
|
sb.append(INDENT1 + "getCollectionUsageThresholdCount: " + mbean.getCollectionUsageThresholdCount() + CRLF);
|
|
} catch (UnsupportedOperationException ex) {
|
|
// IGNORE
|
|
}
|
|
sb.append(formatMemoryUsage("current", mbean.getUsage()));
|
|
sb.append(formatMemoryUsage("collection", mbean.getCollectionUsage()));
|
|
sb.append(formatMemoryUsage("peak", mbean.getPeakUsage()));
|
|
sb.append(CRLF);
|
|
}
|
|
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoSystem"));
|
|
sb.append(":" + CRLF);
|
|
Map<String,String> props = runtimeMXBean.getSystemProperties();
|
|
ArrayList<String> keys = new ArrayList<>(props.keySet());
|
|
Collections.sort(keys);
|
|
for (String prop: keys) {
|
|
sb.append(INDENT1 + prop + ": " + props.get(prop) + CRLF);
|
|
}
|
|
sb.append(CRLF);
|
|
|
|
sb.append(requestedSm.getString("diagnostics.vmInfoLogger"));
|
|
sb.append(":" + CRLF);
|
|
List<String> loggers = loggingMXBean.getLoggerNames();
|
|
Collections.sort(loggers);
|
|
for (String logger: loggers) {
|
|
sb.append(INDENT1 + logger +
|
|
": level=" + loggingMXBean.getLoggerLevel(logger) +
|
|
", parent=" + loggingMXBean.getParentLoggerName(logger) + CRLF);
|
|
}
|
|
sb.append(CRLF);
|
|
|
|
return sb.toString();
|
|
}
|
|
}
|