add-exports=java. add-exports=java.management/sun.management=ALL-UNNAMED XX:StartFlightRecording=name=JMC_Default,maxsize=100m
For monitoring or recording a 32-bit JVM (JDK 7u40 and later), start the JVM with the following VM argument:ĭepending on your platform, run the following commands:. 
Also ensure that you are using a file system that supports ACL. In case there are any issues while starting JMC with user permissions, then start JMC as an administrator.
Ensure that the hsperfdata_username directory is present in the Windows $TEMP directory (for example, C:\Users\user_name\AppData\Local\Temp\hsperfdata_username) and is writable by the user. See: JDK 11 Installation Instructions or JDK 8 Installation Instructions as applicable. Ensure you install JDK 8 for JMC 8.0 and JMC 8.0.1, and JDK 11 or later for JMC 8.1.0 onwards. In Windows and Linux, the jmc.ini file is found under the JDK Mission Control directory and in macOS, under JDK\ Mission\ Control.app/Contents/Eclipse directory. However, JMC 8 supports Java Management Console (JMX) monitoring and Java Flight Recorder (JFR) profiling of JVMs (JDK 7u40 and later) on any supported platform. Edit the JMC launch configuration (jmc.ini) file and add the location of the JDK version to use (JDK 8 (64-bit) or later required). 
JDK Mission Control (JMC) 8.0 and 8.0.1 starts with Oracle JDK 8 (64-bit), and from JMC 8.1.0 onwards it requires Oracle JDK 11 and later.
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