VisualVM: Integrated and Extensible Troubleshooting Tool for the Java Platform
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1 VisualVM: Integrated and Extensible Troubleshooting Tool for the Java Platform Tomáš Hůrka, Sun Microsystems Inc. Luis-Miguel Alventosa, Sun Microsystems Inc. BOF-5223
2 Introduce VisualVM - new tool that integrates several existing JDK monitoring and management tools with lightweight memory and CPU profiling capabilities JavaOne SM Conference BOF-5223 java.sun.com/javaone 2
3 Agenda Using VisualVM Monitoring & troubleshooting VisualVM features Extending VisualVM with plugins Developing plugins for VisualVM API overview Do it yourself! - how to write a VisualVM plugin Q&A 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 3
4 Agenda Using VisualVM Monitoring & troubleshooting VisualVM features Extending VisualVM with plugins Developing plugins for VisualVM API overview Do it yourself! - how to write a VisualVM plugin Q&A 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 4
5 Demo 2008 JavaOne SM Conference java.com.sun/javaone 5
6 Monitoring & troubleshooting Important part of application lifetime Current JDK tools designed separately for very specific functionality Need for integrated tool No profiler 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 6
7 VisualVM features can monitor JVM from up 4 technologies Jvmstat, Attach API, JMX, Serviceability Agent (SA) VisualVM uses all of them Local and remote application CPU and Memory Profiling stripped down version of NetBeans Profiler File viewer binary HPROF heap dump NetBeans Profiler CPU and Memory snapshots Thread dump, Core dumps Application snapshots offline analysis 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 7
8 VisualVM feature matrix 1) With -Dcom.sun.management.jmxremote 2) Linux and Solaris only 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 8
9 VisualVM feature matrix 1) jstatd must be running on remote host 2) with -Dcom.sun.management.jmxremote.port=portno 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 9
10 VisualVM feature matrix 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 10
11 Demo 2008 JavaOne SM Conference java.com.sun/javaone 11
12 Extending VisualVM with plugins Standard MBeans JConsole Beta GlassFish Experimental JavaDB, BTrace, GChisto, VisualGC 3 rd party Terracotta TDA SureLogic 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 12
13 Demo 2008 JavaOne SM Conference java.com.sun/javaone 13
14 Agenda Using VisualVM Monitoring & troubleshooting VisualVM features Extending VisualVM with plugins Developing plugins for VisualVM API overview Do it yourself! - how to write a VisualVM plugin Q&A 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 14
15 API overview DataSource Application Host ThreadDump, HeapDump,... Models for DataSource attaching functionality to DataSource Tools API Jvmstat JMX Attach SA JVM abstraction 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 15
16 VisualVM 1.0 API Entrypoints Customizable tree items: DataSource added to DataSource.ROOT 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 16
17 VisualVM 1.0 API Entrypoints Customizable items appearance: DataSourceDescriptor ApplicationType registered in DataSourceDescriptorFactory ApplicationTypeFactory 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 17
18 VisualVM 1.0 API Entrypoints Customizable menu, toolbar, context menu: Action DataSourceAction registered in XML layer file (NetBeans Platform API) 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 18
19 VisualVM 1.0 API Entrypoints Customizable views: DataSourceViewProvider registered in DataSourceViewsManager 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 19
20 VisualVM 1.0 API Entrypoints Pluggable views: DataSourceViewPluginProvider registered in PluggableDataSourceViewProvider 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 20
21 VisualVM 1.0 API Entrypoints And much more: Jvm, JvmFactory JmxModel, JmxModelFactory JvmMXBeans,JvmMXBeansFactory JvmstatModel, JvmstatFactory JvmJvmstatModel, JvmJvmstatFactory AttachModel, AttachModelFactory SaModel, SaModelFactory 2008 JavaOne SM Conference BOF-5223 java.sun.com/javaone 21
22 Demo 2008 JavaOne SM Conference java.com.sun/javaone 22
23 Q&A Tomáš Hůrka, Sun Microsystems Inc. Luis-Miguel Alventosa, Sun Microsystems Inc JavaOne SM Conference BOF-5223 java.sun.com/javaone 23
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