Integrated: 8287741: Fix of JDK-8287107 (unused cgv1 freezer controller) was incomplete

[Severin Gehwolf]

On Thu, 2 Jun 2022 18:30:38 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

> Please review this hotspot fix follow-up of JDK-8287107. The test which exercised this code was already added with  JDK-8287107. I've now added an assert ensuring that we don't set the cgroup path multiple times. The fix is essentially the same as on the JDK side, skip setting the cgroup path when the hierarchy is non-zero which is equivalent to the empty string match that was done in the Java code.
> 
> Testing:
> - [x] `test/hotspot/jtreg/containers/cgroup/CgroupSubsystemFactory.java` with fastdebug on x86_64. Asserts before the code fix, passes after.
> - [x] GHA

This pull request has now been integrated.

Changeset: 8d28734e
Author:    Severin Gehwolf <sgehwolf at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/8d28734ede0ed3922c92451a172d1fa676e484e9
Stats:     6 lines in 1 file changed: 6 ins; 0 del; 0 mod

8287741: Fix of JDK-8287107 (unused cgv1 freezer controller) was incomplete

Reviewed-by: iklam

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PR: https://git.openjdk.java.net/jdk/pull/9001