RFR: 8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled

Wed Oct 16 07:19:26 UTC 2019

Hi Per,

Looks good.

Thanks,
/Erik

> On 10 Oct 2019, at 12:28, Per Liden <per.liden at oracle.com> wrote:
> 
> Remove and replace the diagnostic flag ZStatisticsForceTrace with a check if JFR event is enabled. This flag was introduced as a safety measure back when sending JFR events was problematic in some contexts. This is no longer the case, so we can just let the default.jfc/profile.jfc control when those events should be sent.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8231996
> Webrev: http://cr.openjdk.java.net/~pliden/8231996/webrev.0
> 
> /Per