RFR(S): 8235206: JFR TestCrossProcessStreaming - validate that data can be consumed while it is being produced

[mikhailo.seledtsov at oracle.com]

Erik, thank you for suggested changes. Here is an updated webrev:

http://cr.openjdk.java.net/~mseledtsov/8235206.01/


Misha

On 2/21/20 7:29 PM, mikhailo.seledtsov at oracle.com wrote:
> Please review this change that improves the JFR 
> TestCrossProcessStreaming test.
>
> In order to test that the events can be consumed at the same time as 
> they are produced by another process, I have
> added a sequence of "produce first batch", wait for N number of events 
> to be consumed in the first batch,
> direct producer to produce the next batch. For full explanation of the 
> sequence and detailed test description
> see the head comment in the class.
>
> I have also simplified and streamlined cross-process signaling, plus 
> some refactoring and cleaned.
>
>     JBS: https://bugs.openjdk.java.net/browse/JDK-8235206
>     Webrev: http://cr.openjdk.java.net/~mseledtsov/8235206.00/
>     Testing:
>       - ran the test on several platforms - PASS
>       - will run many times for stability - in progress
>
>
> Thank you,
> Misha
>