RFR: 8270091: The path of JFR emergency dump should be able to specified by the user

[Erik Gahlin]

On Thu, 22 Jul 2021 02:25:12 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> I think we should add the feature to specify emergency dump path at first like this PR because `-XX:FlightRecorderOptions=dumppath=` is not available now.

Looks like dumppath is missing from jfrOptionSet.cpp, but it is available in JfrConfigureFlightRecorderDCmd. Maybe add dumppath to jfrOptionSet.cpp as well. That said, beware that the option will be removed in an upcoming release when -XX:StartFlightRecording:filename supports crash dumps.

-------------

PR: https://git.openjdk.java.net/jdk/pull/4724