RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v61]
Johannes Bechberger
jbechberger at openjdk.org
Thu Jun 5 05:05:22 UTC 2025
On Thu, 5 Jun 2025 01:09:01 GMT, David Holmes <dholmes at openjdk.org> wrote:
>> Johannes Bechberger has updated the pull request incrementally with one additional commit since the last revision:
>>
>> Renaming
>
> src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp line 88:
>
>> 86: return false;
>> 87: }
>> 88: } while (Atomic::cmpxchg(&_head, elementIndex, elementIndex + 1) != elementIndex);
>
> Why do we need atomic operations if we hold the enqueue lock. ??
Valid Point, I was probably over cautious.
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2127957148
More information about the serviceability-dev
mailing list