Re: [PATCH 0/4] tests/functional: Adapt reverse_debugging to run w/o Avocado

["Alex Bennée" <alex.bennee@linaro.org>]

Thomas Huth <thuth@redhat.com> writes:

> On 25/08/2025 16.04, Gustavo Romero wrote:
>> Hello, Thomas!
>> On 8/25/25 07:29, Thomas Huth wrote:
>>> On 19/08/2025 16.39, Gustavo Romero wrote:
>>>> The goal of this series is to remove Avocado as a dependency for running
>>>> the reverse_debugging functional test.
>>>>
>>>> This test, the last one I’m aware of that relies on Avocado, requires it
>>>> because of the need for GDB to test reverse stepping and continue.
> ...
>>> I gave it a try, but this did not work for me, the test was not run
>>> at all anymore. Are there any patches needed on top?
>> hmm that's odd. I'm able to run it with 'make check-functional' and
>> with 'meson test'...
>> This is how I'm running it (let me know if I'm missing something):
> ...
>> gromero@gromero0:/mnt/git/qemu_$
>> gromero@gromero0:/mnt/git/qemu_/build$ ../configure
>> --target-list=aarch64- softmmu --disable-docs
>> gromero@gromero0:/mnt/git/qemu_/build$ make -j 32
>> gromero@gromero0:/mnt/git/qemu_/build$ time make -j 15  check-functional
>> [1/2] Generating tests/functional/func-precache-aarch64-
>> aarch64_reverse_debug with a custom command (wrapped by meson to set
>> env)
>> 2025-08-25 12:50:04,215 - qemu-test - INFO - Attempting to cache
>> '/home/ gromero/.cache/qemu/
>> download/7e1430b81c26bdd0da025eeb8fbd77b5dc961da4364af26e771bd39f379cbbf7'
>> 2025-08-25 12:50:04,225 - qemu-test - DEBUG - Using cached asset
>> /home/ gromero/.cache/qemu/
>> download/7e1430b81c26bdd0da025eeb8fbd77b5dc961da4364af26e771bd39f379cbbf7
>> for
>> https://archives.fedoraproject.org/pub/archive/fedora/linux/releases/29/
>> Everything/aarch64/os/images/pxeboot/vmlinuz
>> GDB CMD: /usr/bin/gdb-multiarch -q -n -batch -ex 'set pagination
>> off' -ex 'set confirm off' -ex "py
>> sys.argv=['/mnt/git/qemu_/tests/functional/
>> test_aarch64_reverse_debug.py']" -x /mnt/git/qemu_/tests/functional/
>> test_aarch64_reverse_debug.py
>> [0/1] Running external command precache-functional (wrapped by meson
>> to set env)
>> make[1]: Entering directory '/mnt/git/qemu_/build'
>> [1/6] Generating qemu-version.h with a custom command (wrapped by
>> meson to capture output)
>> /mnt/git/qemu_/build/pyvenv/bin/meson test  --no-rebuild -t 1
>> --setup thorough  --num-processes 10 --print-errorlogs  --suite
>> func  --suite func- quick  --suite func-thorough
>>   1/27 qemu:func-thorough+func-aarch64-thorough+thorough /
>> func-aarch64- aarch64_virt_gpu                   SKIP             
>> 1.95s   0 subtests passed
>
> I tried a couple of times now, and finally realized that it's the
> "gdb-multiarch" binary that is missing on Fedora. And as far as I can
> see, there is also no package that provides this on Fedora? So if we
> go ahead with your patches, this test will only run on certain distros
> that provide this binary.

I've mentioned in another review comment we should use the same gdb as
set/detected from configure as we do for the check-tcg tests.

>
>  Thomas

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro