Integrated: 8255001: Move G1PeriodicGCTask to its own file

[Stefan Johansson]

On Thu, 26 Nov 2020 21:01:51 GMT, Stefan Johansson <sjohanss at openjdk.org> wrote:

> After making the service thread task based it is now possible to move the tasks out of `g1ServiceThread.cpp`. The periodic task is moved to its own files and the initialization and registration with the service thread is done while initializing `G1CollectedHeap`.
> 
> No functionality is changed for the task, but it has been split up into a header and a source file. 
> 
> **Testing**
> tier 1-2 + manual testing setting `G1PeriodicGCInterval` through `jcmd`.

This pull request has now been integrated.

Changeset: 02ba5194
Author:    Stefan Johansson <sjohanss at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/02ba5194
Stats:     207 lines in 6 files changed: 135 ins; 70 del; 2 mod

8255001: Move G1PeriodicGCTask to its own file

Reviewed-by: tschatzl, lkorinth

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PR: https://git.openjdk.java.net/jdk/pull/1471