Java profiling

 jconsole

jcmd; jcmd 207639 JFR.start duration=10s filename=asdf.jfr

jmc :

Standalone JMC and Plug-ins Download

Download JMC from: JDK Mission Control (JMC) 8 Downloads; ensure that you accept the license agreement.

                      

IntelliJ IDEA provides integration with the following profilers:

    Java Flight Recorder – the standard profiling tool shipped as part of the JDK.

    Async Profiler – a very accurate profiler that can also collect native call and memory allocation data.

$ jcmd 206983 JFR.start name=continuous

206983:

Started recording 1. No limit specified, using maxsize=250MB as default.

Use jcmd 206983 JFR.dump name=continuous filename=FILEPATH to copy recording data to file.

$ jcmd 206983 JFR.dump name=continuous filename=asdf

206983:

Dumped recording "continuous", 351.3 kB written to: