You can mark current values and show differences. All objects Shows classes or packages of all objects on the heap with instance counts and size information.
All views have several aggregation levels and can show live and garbage collected objects. The following list gives a high level overview of the profiling views in JProfiler: Memory profiling JProfiler's memory view section offers dynamically updated views on memory usage and views that show information about allocations spots. Viewing an HPROF snapshot JProfiler can open HPROF snapshots that have been taken with JVM tools such as jconsole or jmap or that have been triggerd by the -XX:+HeapDumpOnOutOfMemoryError JVM parameter. Alternatively you can create comparison reports programmatically with the command line comparison tool or the comparison ant task. JProfiler offers a rich comparison facility to see what has changed between two or more snapshots. Snapshot comparisons In JProfiler, you can save a snapshot of all current profiling data to disk. At a later time you can open these snapshots in the JProfiler GUI or programmatically export profiling views with the command line export tool or the export ant task.
Jprofiler 5.0 1 Offline#
Offline profiling You do not have to connect with the JProfiler GUI to the profiled application in order to profile it: With offline profiling you can use JProfiler's powerful trigger system or the JProfiler API to control the profiling agent and save snapshots to disk. In addition, JProfiler provides numerous integration wizards for all popular application servers that help you in setting up your application for profiling. The profiled application can not only run on your local computer, JProfiler can attach to a profiled application over the network. Live profiling of a remote session By modifying the VM parameters of the java start command you can get any Java application to listen for a connection from the JProfiler GUI. To eliminate the need for session configuration, you can use one of the many IDE plugins to profile the application from within your favorite IDE. JProfiler supports the following modes of operation: Live profiling of a local session Once you define how your application is started, JProfiler can profile it and you immediately see live data from the profiled JVM. JProfiler's intuitive GUI helps you find performance bottlenecks, pin down memory leaks and resolve threading issues.
Is there documentation that explains the output more fully? When I look at the csv file I see 10 to 13 columns of data but only 4 headings. I was able to use the jpexport command to export the TelemetryHeap view from a snapshot file to a csv file (sample below). I'd like to run the tool in offline mode, save a snapshot, export the data, and parse it to see if there is performance degradation since the last run. I'm evaluating JProfiler to see if it can be used in a automated fashion.
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