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

[Launchpad Bug Tracker]

This bug was fixed in the package python3.8 - 3.8.0-3~19.04

---------------
python3.8 (3.8.0-3~19.04) disco-proposed; urgency=medium

  * SRU: LP: #1835737. Backport the final Python 3.8.0 release.

python3.8 (3.8.0-3) unstable; urgency=medium

  * python3.8-dev: Depend on zlib1g-dev, needed to link as an
    embedded interpreter.

python3.8 (3.8.0-2) unstable; urgency=medium

  * Fix a symlink to the shared debug library.
  * Install the python3.8d-embed pkg-config file.
  * Don't ship the python3-embed pkg-config file.

python3.8 (3.8.0-1) unstable; urgency=medium

  * Python 3.8.0 release.

python3.8 (3.8.0~rc1-3) unstable; urgency=medium

  * Apply proposed patch for issue 38368. LP: #1847036. Addresses:
#941650.

python3.8 (3.8.0~rc1-2) unstable; urgency=medium

  * Python 3.8.0 release candidate 1.
  * Refresh patches.
  * Update symbols files.
  * Bump standards version.

python3.8 (3.8.0~b4-1) unstable; urgency=medium

  * Python 3.8.0 beta 4 release.

python3.8 (3.8.0~b3-1) unstable; urgency=medium

  * Python 3.8.0 beta 3 release.
  * Fix FTCBFS: (Helmut Grohne). Closes: #932077.
    + Build-Depends, when cross compiling we need python3.8.
    + Export CC, because dtrace needs it.
    + Honour DEB_BUILD_OPTIONS=nocheck more thoroughly.
    + Fix up sysconfigdata-name.diff.
  * Implement the native thread ids for the Hurd and KFreeBSD (Samuel
    Thibault). Closes: #931624.
  * Enable pgo/lto builds on arm64. Addresses: #934812.
  * Update symbols files.
  * Don't propagate lto flags to the _sysconfigdata module. Addresses: #934771.
  * d/patches/issue35998.diff: Disable TLS1.3 in the client on all platforms
    rather than just reducing the payload size (Michael Hudson-Doyle).

python3.8 (3.8.0~b2-5) unstable; urgency=high

  * Bump standards version.
  * Revert the KFreeBSD and Hurd fix for PyThread_get_thread_native_id,
    and use the implementation from Python3.7.  Mark the symbol as linux only.
  * Don't encode the MACHDEP into the _sysconfigdata file name.

python3.8 (3.8.0~b2-4) unstable; urgency=medium

  * Fix the LTO build.

python3.8 (3.8.0~b2-3) unstable; urgency=medium

  * Define PY_HAVE_THREAD_NATIVE_ID for KFreeBSD and Hurd builds.
  * Fix issue #37504, building the texinfo docs (Dmitry Shachnev).
  * Enable LTO/PGO builds on some architectures.

python3.8 (3.8.0~b2-1) experimental; urgency=medium

  * Python 3.8.0 beta 2 release.
  * Refresh patches.
  * Update the symbols files.
  * Don't build the texinfo documentation, fails. See issue #37504.

python3.8 (3.8.0~b1-2) experimental; urgency=medium

  * Fix include links in python3.8-dbg.

python3.8 (3.8.0~b1-1) experimental; urgency=medium

  * Python 3.8.0 beta 1 release.
  * Refresh patches.
  * Add new importlib dependencies to python3-minimal.
  * Update symbols files.

python3.8 (3.8.0~a4-3) experimental; urgency=medium

  * Update symbols files.

python3.8 (3.8.0~a4-2) experimental; urgency=medium

  * Update to 20190514 from the trunk.
  * Fix interpreter name in the -dbg autopkg tests.
  * Enable dtrace/USDT probe support (--with-dtrace) and build-dep on
    systemtap-sdt-dev (Trent Lloyd). LP: #1818778.

python3.8 (3.8.0~a4-1) experimental; urgency=medium

  * Python 3.8.0 alpha 4 release.
  * Upstream removed the "m" modifier, directory names now don't have the
    "m" encoded anymore in file and directory names.
  * Refresh patches.
  * Update symbols files.

 -- Matthias Klose <doko at ubuntu.com>  Mon, 28 Oct 2019 17:14:01 +0100

** Changed in: python3.8 (Ubuntu Disco)
       Status: Fix Committed => Fix Released

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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:
  Fix Released
Status in python3.8 source package in Disco:
  Fix Released

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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