RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v55]
Johannes Bechberger
jbechberger at openjdk.org
Wed Jun 4 17:49:27 UTC 2025
On Wed, 4 Jun 2025 17:24:07 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:
> Please file the follow-ups to figure out the memory ordering story in `JfrCPUTimeTraceQueue`.
I created a preliminary issue at https://bugs.openjdk.org/browse/JDK-8358616
> src/hotspot/share/runtime/vmOperation.hpp line 119:
>
>> 117: template(RendezvousGCThreads) \
>> 118: template(CPUTimeSamplerThreadInitializer) \
>> 119: template(CPUTimeSamplerThreadTerminator) \
>
> I think these better be prefixed with `JFR`. E.g.: `JFRInitializeCPUTimeSampler` / `JFRTerminateCPUTimeSampler`?
Good point
-------------
PR Comment: https://git.openjdk.org/jdk/pull/25302#issuecomment-2940863550
PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2127113247
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