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JDK 17 jdk.jconsole.jmod - JConsole Tool
JDK 17 jdk.jconsole.jmod is the JMOD file for JDK 17 JConsole tool, which can be invoked by the "jconsole" command.
JDK 17 JConsole tool compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\jdk.jconsole.jmod.
JDK 17 JConsole tool compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 JConsole tool source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\jdk.jconsole.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ sun/tools/jconsole/MemoryPoolProxy.java
/* * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package sun.tools.jconsole; import javax.management.ObjectName; import java.lang.management.MemoryPoolMXBean; import java.lang.management.MemoryUsage; import com.sun.management.GarbageCollectorMXBean; import com.sun.management.GcInfo; import java.util.HashMap; import java.util.Set; import java.util.Map; import static java.lang.management.ManagementFactory.*; public class MemoryPoolProxy { private String poolName; private ProxyClient client; private MemoryPoolMXBean pool; private Map<ObjectName,Long> gcMBeans; private GcInfo lastGcInfo; public MemoryPoolProxy(ProxyClient client, ObjectName poolName) throws java.io.IOException { this.client = client; this.pool = client.getMXBean(poolName, MemoryPoolMXBean.class); this.poolName = this.pool.getName(); this.gcMBeans = new HashMap<ObjectName,Long>(); this.lastGcInfo = null; String[] mgrNames = pool.getMemoryManagerNames(); for (String name : mgrNames) { try { ObjectName mbeanName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + name); if (client.isRegistered(mbeanName)) { gcMBeans.put(mbeanName, 0L); } } catch (Exception e) { assert false; } } } public boolean isCollectedMemoryPool() { return (gcMBeans.size() != 0); } public MemoryPoolStat getStat() throws java.io.IOException { long usageThreshold = (pool.isUsageThresholdSupported() ? pool.getUsageThreshold() : -1); long collectThreshold = (pool.isCollectionUsageThresholdSupported() ? pool.getCollectionUsageThreshold() : -1); long lastGcStartTime = 0; long lastGcEndTime = 0; MemoryUsage beforeGcUsage = null; MemoryUsage afterGcUsage = null; long gcId = 0; if (lastGcInfo != null) { gcId = lastGcInfo.getId(); lastGcStartTime = lastGcInfo.getStartTime(); lastGcEndTime = lastGcInfo.getEndTime(); beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName); afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName); } Set<Map.Entry<ObjectName,Long>> set = gcMBeans.entrySet(); for (Map.Entry<ObjectName,Long> e : set) { GarbageCollectorMXBean gc = client.getMXBean(e.getKey(), com.sun.management.GarbageCollectorMXBean.class); Long gcCount = e.getValue(); Long newCount = gc.getCollectionCount(); if (newCount > gcCount) { gcMBeans.put(e.getKey(), newCount); lastGcInfo = gc.getLastGcInfo(); if (lastGcInfo.getEndTime() > lastGcEndTime) { gcId = lastGcInfo.getId(); lastGcStartTime = lastGcInfo.getStartTime(); lastGcEndTime = lastGcInfo.getEndTime(); beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName); afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName); assert(beforeGcUsage != null); assert(afterGcUsage != null); } } } MemoryUsage usage = pool.getUsage(); return new MemoryPoolStat(poolName, usageThreshold, usage, gcId, lastGcStartTime, lastGcEndTime, collectThreshold, beforeGcUsage, afterGcUsage); } }
⏎ sun/tools/jconsole/MemoryPoolProxy.java
Or download all of them as a single archive file:
File name: jdk.jconsole-17.0.5-src.zip File size: 169450 bytes Release date: 2022-09-13 Download
⇒ JDK 17 jdk.jdeps.jmod - JDeps Tool
2023-04-17, 3575👍, 0💬
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