RFR: 8265036: JFR: Remove use of -XX:StartFlightRecording= and -XX:FlightRecorderOptions= [v2]

[Erik Gahlin]

On Mon, 19 Apr 2021 20:16:59 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

> The changes look good. Have you considered doing a test run where the use of `=` and `XX:+FlightRecorder` are disallowed just to make sure you caught them all?

It's a good idea, but it requires changes outside OpenJDK which I rather not do now. I'm sure somebody will reintroduce '=', so this is not so much about getting rid of them all, but to avoid them being propagated, when code is copy pasted for new tests etc.

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PR: https://git.openjdk.java.net/jdk/pull/3561