RFR(S): 8219997: [TESTBUG] Create test for JFR events in Docker container: CPU, Memory and Process Info

[Erik Gahlin]

Looks reasonable.

Erik

> Please review this new test that verifies that certain JFR events 
> report correct data when JVM is run inside a Docker container. The 
> test has 3 test cases, testing the following events: CPUInformation, 
> PhysicalMemory and SystemProcess. The test launches Docker containers 
> with resource parameters that are limited and less than available on 
> the host system, and verifies that events report resource values based 
> on container data, not the host data.
>
>     JBS: https://bugs.openjdk.java.net/browse/JDK-8219997
>     Webrev: http://cr.openjdk.java.net/~mseledtsov/8219997.01/
>     Testing: ran the test 50 times on Linux-x64 - All PASS
>
> Thank you,
> Misha
>