On Sun, 22 Oct 2023 10:08:49 GMT, Thomas Stuefe <stu...@openjdk.org> wrote:
> Analysts and supporters often use /proc/xx/maps to make sense of the memory > footprint of a process. > > Interpreting the memory map correctly can help when used as a complement to > other tools (e.g. NMT). There even exist tools out there that attempt to > annotate the process memory map with JVM information. > > That, however, can be more accurately done from within the JVM, at least for > mappings originating from hotspot. After all, we can correlate the mapping > information in NMT with the VMA map. > > Example output: > > [example.system.map.txt](https://github.com/openjdk/jdk/files/13062903/example.system.map.txt) > > This patch adds the VM annotations for VMAs that are *mmaped*. I also have an > experimental patch that works with malloc'ed memory, but it is not ready yet > for consumption and I leave that part of for now. The hs_err file includes a dump of the maps file. It seems these annotations would be useful there also. ------------- PR Comment: https://git.openjdk.org/jdk/pull/16301#issuecomment-1774300905
