RFR(M): 8204571: Add support for launching multiple startup recordings

[Erik Gahlin]

Looks good.

Erik
> Hi again,
>
> I have simplified this change a bit.
>
> Please see:
> Webrev: http://cr.openjdk.java.net/~mgronlun/8204571/webrev01/
> Bug/Enh: https://bugs.openjdk.java.net/browse/JDK-8204571
>
> Thanks
> Markus
>
>
> -----Original Message-----
> From: Markus Gronlund
> Sent: den 9 juni 2018 00:54
> To: hotspot-jfr-dev at openjdk.java.net
> Subject: RFR(M): 8204571: Add support for launching multiple startup recordings
>
> Greetings,
>
> Please review the following change-set which aims to add support for launching multiple JFR recordings from the command-line (muiltiple -XX:StartFlightRecorder=... options)
>
> Bug/Enh: https://bugs.openjdk.java.net/browse/JDK-8204571
> Webrev: http://cr.openjdk.java.net/~mgronlun/8204571/webrev00/
>
> Thanks
> Markus