RFR: 8332122: [nmt] Totals for malloc should show total peak [v2]

[Sonia Zaldana Calles]

> Hi all, 
> 
> This PR addresses [8332122](https://bugs.openjdk.org/browse/JDK-8332122). 
> 
> With this patch, we enable printing global malloc peaks in NMT when printing summary information. 
> 
> Testing: 
> - [x] Added test case passes. 
> 
> Thanks, 
> Sonia

Sonia Zaldana Calles has updated the pull request incrementally with one additional commit since the last revision:

  Updating test based on feedback

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19333/files
  - new: https://git.openjdk.org/jdk/pull/19333/files/b42a80ea..04411bac

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19333&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19333&range=00-01

  Stats: 24 lines in 1 file changed: 9 ins; 1 del; 14 mod
  Patch: https://git.openjdk.org/jdk/pull/19333.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19333/head:pull/19333

PR: https://git.openjdk.org/jdk/pull/19333