RFR: 8342818: Implement JEP 509: JFR CPU-Time Profiling [v5]

[Markus Grönlund]

On Mon, 26 May 2025 14:09:35 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

>> (value * (unit / frequency)) != (value / unit * frequency)
>
> The mentioned conversion is from ticks to time unit:
> 
> nanos = ticks * 1_000_000_000 / frequency
> 
> therefore
> 
> nanos / 1_000_000_000 * frequency = ticks

Sorry, you represent the sampling period value as ticks, not nanos. Its a Tickspan after all.

Does it look right in the jfr parser alt JMC?

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

PR Review Comment: https://git.openjdk.org/jdk/pull/25302#discussion_r2107489332