Integrated: 8288474: Move EventContinuationFreezeOld from try_freeze_fast to freeze_slow

[Coleen Phillimore]

On Tue, 13 Sep 2022 20:22:58 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This moves the event ContinuationFreezeOld to freeze_slow so it's reported on the different paths to freeze_slow, and renames the events Continuation*Old/Continuation*Slow and Continuation*Young/Continuation*Fast to reflect that they're on the fast/slow paths.  I turned on CONT_JFR and fixed some bugs and turned it back off again.  Some output:
> 
> $ jfr summary hotspot-pid-31671-id-1-2022_09_13_19_42_01.jfr | grep Continuation
>  jdk.ContinuationThaw                    12193        211929
>  jdk.ContinuationThawFast                10139        165420
>  jdk.ContinuationFreeze                   3196         57135
>  jdk.ContinuationFreezeFast               2788         46397
>  jdk.ContinuationThawSlow                 2054         28543
>  jdk.ContinuationFreezeSlow                408          5688
> 
> Tested locally and with tier7 which seems to run JFR tests.

This pull request has now been integrated.

Changeset: 6fca9ae0
Author:    Coleen Phillimore <coleenp at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/6fca9ae04703103ff6832dbee9549c5512611c5e
Stats:     42 lines in 4 files changed: 9 ins; 8 del; 25 mod

8288474: Move EventContinuationFreezeOld from try_freeze_fast to freeze_slow

Reviewed-by: rpressler, pchilanomate

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PR: https://git.openjdk.org/jdk/pull/10254