[jdk21u-dev] RFR: 8322475: Extend printing for System.map

[Thomas Stuefe]

On Wed, 9 Apr 2025 09:35:27 GMT, Andreas Steiner <asteiner at openjdk.org> wrote:

> This pull request contains a backport of commit [8aaec37a](https://github.com/openjdk/jdk/commit/8aaec37ace102b55ee1387cfd1967ec3ab662083) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Thomas Stuefe on 3 Jul 2024 and was reviewed by Severin Gehwolf and Johan Sjölen.
> 
> Follow up change for https://bugs.openjdk.org/browse/JDK-8318636 as mentioned in https://github.com/openjdk/jdk21u-dev/pull/1415
> 
> Resolved conflicts:
> src/hotspot/share/nmt/memMapPrinter.cpp
> - include order
> 
> src/hotspot/share/runtime/java.cpp
> - Removed PrintMemoryMapAtExit as this was not backported to 21
> 
> src/hotspot/share/services/diagnosticCommand.cpp
> - missing default_filename definition added for the changed SystemDumpMapDCmd
> 
> src/hotspot/share/utilities/ostream.cpp
> - Removed print_raw as this was not backported to 21
> - didn't change the write method as base change JDK-8319318 was not 21
> 
> test/hotspot/jtreg/serviceability/dcmd/vm/SystemMapTest.java
> - OutputAnalyzer in 21 is missing the convenience contains method

Very nice, thank you for doing this backport.

Make sure you also backport https://bugs.openjdk.org/browse/JDK-8335643 and https://bugs.openjdk.org/browse/JDK-8335710 , but those should be simple.

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Marked as reviewed by stuefe (Reviewer).

PR Review: https://git.openjdk.org/jdk21u-dev/pull/1619#pullrequestreview-2753059628