[Bug 1818778] Re: Python should be compiled with USDT/dtrace user-space probes

[Ubuntu Foundations Team Bug Bot]

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** Tags added: patch

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https://bugs.launchpad.net/bugs/1818778

Title:
  Python should be compiled with USDT/dtrace user-space probes

Status in python3.7 package in Ubuntu:
  Confirmed
Status in python3.8 package in Ubuntu:
  Confirmed

Bug description:
  Python3.6 and later support being compiled with USDT/dtrace user-space
  probes, this allows tools such as perf and BPF utilities (bpfcc-tools)
  to do runtime profiling and tracing of Python execution.

  Ubuntu should compile Python with this support to enable better
  debugging of Python applications in production. perf/bpf tools can be
  attached to running production processes without having to restart
  them under a debugger which may destroy the situation you are trying
  to observe. This would be particularly useful with OpenStack
  deployments for example.

  The current python3.6/python3.7/python3.8 packages do not build with
  this support, because it requires a build-dependency on systemtap-sdt-
  dev and the option --with-dtrace to be passed at compile time.

  systemtap-sdt-dev is not currently in main, however, it was previously
  approved for a MIR in Bug #1203590 - it seems the original packages
  this was required for (Source Package: ust) was demoted to universe at
  some point and the systemtap-sdt-dev dependency went with it. So I am
  hopeful it will be re-approved for main inclusion and allow this to be
  done

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