Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

- Mads Ynddal's improvements to simpletrace.py

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* tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu:
  scripts/analyse-locks-simpletrace.py: changed iteritems() to items()
  MAINTAINERS: add maintainer of simpletrace.py
  simpletrace: added simplified Analyzer2 class
  simpletrace: move event processing to Analyzer class
  simpletrace: move logic of process into internal function
  simpletrace: refactor to separate responsibilities
  simpletrace: made Analyzer into context-manager
  simpletrace: define exception and add handling
  simpletrace: improved error handling on struct unpack
  simpletrace: update code for Python 3.11
  simpletrace: changed naming of edict and idtoname to improve readability
  simpletrace: improve parsing of sys.argv; fix files never closed.
  simpletrace: annotate magic constants from QEMU code
  simpletrace: add __all__ to define public interface

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>