RFR: 8134540: Much nearly duplicated code for PerfMemory support [v3]

[Thomas Stuefe]

On Fri, 15 Jan 2021 18:43:42 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

>> Hi Harold,
>> 
>> thanks a lot for this! I think most of the AIX peculiarities are just bitrots (us missing changes to other platforms and forgetting to side-merge). Thankfully this becomes posix shared code now.
>> 
>> Thanks, Thomas
>
> Hi Thomas,
> 
> Thanks for looking at this change, especially from an AIX perspective.  Please review the changes and comments in this latest commit and see if additional changes are needed.
> 
> Thanks, Harold

Looks good to me. I have currently no access to an AIX machine, a test build would have to wait until next week. If you are eager, feel free to push though, should anything break we will fix it then.

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PR: https://git.openjdk.java.net/jdk/pull/2037