RFR (M): 8231209: [REDO] ThreadMXBean::getThreadAllocatedBytes() can be quicker for self thread

[Mandy Chung]

On 9/19/19 9:52 AM, Hohensee, Paul wrote:
> More formally,
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8231209
> Webrev: http://cr.openjdk.java.net/~phh/8231209/webrev.00/
>

The new metric you added is an attribute (not an operation).  So the 
change in ServerThreadMXBeanNew should call getLongAttribute inherited 
from ServerMXBean superclass.

The change to com.sun.management.ThreadMXBean is fine.  The CSR needs an 
amendment.   I am asking Joe [2] for his recommendation whether you 
should reuse JDK-8230311 or file a new CSR.

Mandy
[1] 
test/hotspot/jtreg/vmTestbase/nsk/monitoring/share/server/ServerMXBean.java
[2] 
https://bugs.openjdk.java.net/browse/JDK-8230311?focusedCommentId=14290493&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14290493