How to profile heap allocations? (valgrind not working with _dispatch_sigsuspend)

Server Development
4

unfortunately, i am not getting any useful information out of heaptrack at all, as it’s attributing everything to swift_slowAlloc:

swift_slowAlloc
  in .swiftenv/versions/DEVELOPMENT-SNAPSHOT-2022-02-03-a/usr/lib/swift/linux/libswiftCore.so