RFR: 8307766: Linux: Provide the option to override the timer slack [v3]

[David Holmes]

On Mon, 22 May 2023 08:22:08 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> src/hotspot/os/linux/globals_linux.hpp line 82:
>> 
>>> 80:           "Write map file for Linux perf tool at exit")                 \
>>> 81:                                                                         \
>>> 82:   product(intx, TimerSlack, -1, EXPERIMENTAL,                           \
>> 
>> Why experimental? Is this not something that these users want to use in production?
>
> I would say it is an option that can be used sparingly in selected production/experimental workloads. Like other low-level VM options, it stays experimental to avoid a stronger contract for supportability. I can turn that bona fide `product`, if you want.

What do your "customers" want? Are they happy to deploy with an experimental flag on the command-line?

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

PR Review Comment: https://git.openjdk.org/jdk/pull/13889#discussion_r1201439215