Viewing Overview Information

Prerequisites

A real-time profiling task has been created and is in progress.

Procedure

1. In the Task/Report List area of the Java Profiler page, click the name of the analysis task under Real-Time Profiling.
   The Overview tab page is displayed. See Figure 1 and Figure 2. For details about the parameters, see Table 1.

   

   • The Parameters area lists the system parameters of the Java process. You can move the mouse pointer onto a parameter to view details.
   • An overview of tuning suggestions on all tab pages is displayed next to . Click View Details to see the detailed tuning suggestions.
   • You can click the Dump button to dump the current thread status for subsequent tab page analysis and display.
   • Click to export the analysis report on all tab pages (excluding Memory, Hotspot, and Thread Dump). See Figure 3.
   • If the current process is a container process, its namespace and pod are displayed in the upper part of the page.
   Figure 1 Overview
   
   Figure 2 Overview tab page (Environment Variables and Parameters)
   
   Figure 3 Overview - Export Report
   

   Table 1 Parameters on the Overview tab page

   Parameter	Description
   Heap Memory/Non-heap Memory
   Used heap memory/Used non-heap memory	Heap memory or non-heap memory used by the target Java application.
   Committed heap memory/Committed non-heap memory	Heap memory or non-heap memory reserved for the target JVM.
   Physical Memory
   Memory used by Java processes	Physical memory used by the target Java application.
   Free system memory	System memory reserved for the target JVM.
   GC Activity
   Pause Time	Time when an application is paused due to GC.
   Class
   Loaded Classes	Number of Java classes loaded.
   Thread
   Running threads	Number of threads in the running state.
   Waiting threads	Number of threads in the waiting state.
   Blocked threads	Number of threads in the blocked state.
   CPU Load
   System CPU usage	CPU usage of JVM processes.
   CPU usage of Java processes	CPU usage of Java processes.
   Environment Variables
   PID	Process ID.
   Host	IP address of the host.
   Main Class/Jar Name/Project Name	Name of the entry class of the program. If the program file name extension is .jar, Jar Name is displayed. If the program file name extension is .sh or .exe, Project Name is displayed. If neither of the preceding conditions is met, Main Class is displayed.
   Arguments	Command line arguments.
   JVM	Version information of the JVM.
   Java	Version information of the JDK.
   Keyword	Name of the environment variable.
   Value	Environment variable value.