ACK: [SRU][O][N][PATCH v2 0/3] python perf module missing in realtime kernel (LP: #2089411)

[Kevin Becker]

On Thu, Jan 23, 2025 at 11:08 AM Juerg Haefliger
<juerg.haefliger at canonical.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/2089411
>
> [Impact]
>
> ubuntu at ubuntu-plucky:~$ python3 -c 'import perf; [print(c) for c in perf.cpu_map()]'
> Traceback (most recent call last):
>   File "<string>", line 1, in <module>
>   File "/usr/lib/python3/dist-packages/perf/__init__.py", line 24, in <module>
>     raise KernelNotFoundError()
> perf.KernelNotFoundError: WARNING: python perf module not found for kernel 6.12.0-4-generic
>
> You may need to install the following packages for this specific kernel:
>   linux-tools-6.12.0-4-generic-generic
> You may also want to install of the following package to keep up to date:
>   linux-tools-generic
>
> This works only with the main generic kernel but not with any of the derivatives. Packaging is
> broken and the perf python modules is looking in the wrong place for the library.
>
> [Test Plan]
>
> Run:
> $ python3 -c 'import perf; [print(c) for c in perf.cpu_map()]'
> $ perf
>
> The above must not result in errors.
>
> [Where Problems Could Occur]
>
> Potential issues when using the perf python module or any scripts/binaries provided by the
> linux-tools packages.
>
> v1->v2:
>   - Link the lib subdirectory rather than its parent
>   - Add fall-back to old perf python path
>
>
> Juerg Haefliger (3):
>   UBUNTU: [Packaging] linux-tools: Add missing python perf symlink
>   UBUNTU: [Packaging] linux-tools: Fix python perf library packaging
>   UBUNTU: [Packaging] linux-tools: Fall back to old python perf path
>
>  debian/rules.d/2-binary-arch.mk  |  9 +++++++--
>  debian/rules.d/3-binary-indep.mk |  2 +-
>  debian/tools/python-perf.py      | 32 +++++++++++++++++---------------
>  3 files changed, 25 insertions(+), 18 deletions(-)
>
> --

Acked-by: Kevin Becker <kevin.becker at canonical.com>