RFR: 8220579: [Containers] SubSystem.java out of sync with osContainer_linux.cpp

[Severin Gehwolf]

On Thu, 2019-03-14 at 13:58 -0400, Bob Vandette wrote:
> The change looks good.  Thanks for fixing this.

Thanks for the review, Bob!

Cheers,
Severin

> I’d send this to core-libs (cc’d).
> 
> Bob.
> 
> 
> > On Mar 14, 2019, at 12:51 PM, Severin Gehwolf <sgehwolf at redhat.com>
> > wrote:
> > 
> > Hi,
> > 
> > I'm not sure what the right list for Metrics.java[1] is. Assuming
> > it's
> > serviceability-dev:
> > 
> > Please review this one-liner for for SubSystem.java which currently
> > behaves differently from the native implementation in
> > osContainer_linux.cpp. Please see the details in the bug.
> > 
> > Bug: https://bugs.openjdk.java.net/browse/JDK-8220579
> > webrev: 
> > http://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8220579/01/webrev/
> > 
> > Testing:
> > Manual testing of JDK-8217338 with Metrics.java support
> > with/without
> > this fix on Linux x86_64. Metrics tests and Docker tests continue
> > to
> > pass for fastdebug jvms (NOT for release jvms. see JDK-8220674,
> > which
> > was fun).
> > 
> > Thoughts?
> > 
> > Thanks,
> > Severin
> > 
> > [1] 
> > http://hg.openjdk.java.net/jdk/jdk/file/641768acb12e/src/java.base/linux/classes/jdk/internal/platform/cgroupv1/Metrics.java
> >