RFR: 8215890: Simplify jdk/jfr/api/recording/event/TestPeriod.java

[mikhailo.seledtsov at oracle.com]

Looks good to me,

Misha

On 1/17/20 6:38 AM, Erik Gahlin wrote:
> Hi,
>
> Could I have a review of this bug fix.
>
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8215890
>
> Webrev:
> http://cr.openjdk.java.net/~egahlin/8215890/
>
> Testing:
> 100 times on a saturated machine.
>
> The test relies on measuring the time a periodic event takes, but 
> there is no way for JFR to guarantee that events arrive on time. I 
> have instead modified the test, so it checks that at least three 
> events arrive. The period has been set picked so a time conversion 
> bug, where millis is mixed up with micros/nanos, will make the test 
> timeout.
>
> Thanks
> Erik
>
>
>