RFR: 8317562: [JFR] Compilation queue statistics [v2]

[Brian Stafford]

On Wed, 18 Oct 2023 18:11:45 GMT, Mat Carter <macarte at openjdk.org> wrote:

>> Adding a new periodic jfr event to monitor and output statistics for the compiler queues.  You will see one event per compiler queue (c1 and c2)
>> 
>> Passes tier1 on linux (x86) and mac (aarch64)
>
> Mat Carter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fixed return type and changed NULL to nullptr

test/jdk/jdk/jfr/event/compiler/TestCompilerQueueUtilization.java line 48:

> 46:         recording.enable(EVENT_NAME);
> 47:         recording.start();
> 48:         recording.stop();

Would it be useful to delay the recording stop in order to give more of an opportunity for compiler events to occur?

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/16211#discussion_r1375076209