RFR: JDK-8318636: Add jcmd to print annotated process memory map [v6]

[Thomas Stuefe]

On Wed, 1 Nov 2023 09:48:39 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix various builds
>
> src/hotspot/share/nmt/memMapPrinter.cpp line 99:
> 
>> 97:   }
>> 98: 
>> 99:   bool add(const void* from, const void* to, MEMFLAGS f) {
> 
> Please mention that we're `add`ing in sorted order, that is that `forall R \in _ranges: R.to <= from` holds.

I wasn't sure about that. Do we always? Are NMT regions guaranteed to be sorted? (Dimly remember cases where that weren't so)

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/16301#discussion_r1378593459