Re: [RFC] selftests: Add dependencies information for kselftest

[Juntong Deng]

On 2023/9/25 19:24, Ricardo B. Marliere wrote:
> On 23/09/25 06:25PM, Juntong Deng wrote:
> > Most of the tests in kselftest rely on external tools and libraries
> > to run, which means that in order to run the tests effectively we need
> > to have all the dependencies installed first.
> >
> > But unfortunately, there is currently no way to know in advance what
> > tools and libraries the tests in kselftest depend on, and can only be
> > known when a test run fails.
>
> Hello Juntong,
>
> did you check if tools/testing/selftests/kselftest_deps.sh does what
> you're after? It won't tell you what packages are missing because it's
> distro-independent, but it tells you what libs your system is missing.
>
> e.g.
>
> (...)
> Targets failed build dependency check on system: alsa bpf cachestat
> capabilities clone3 filesystems fpu futex hid intel_pstate kvm landlock
> membarrier memfd mm mqueue net netfilter powerpc ptp rseq rtc safesetid
> sched seccomp timens timers user_events vDSO
> -------------------------------------------------------- Missing
> libraries system -lasound -lcap -lcap-ng -lcrypto -ldl -lelf -lfuse
> -lgcc_s -lm -lmnl -lnuma -lpopt -lpthread -lrt -lz -pthread
>
>
>
> Regards,
> -	Ricardo

Hi Ricardo, thanks for your reply.

I checked kselftest_deps.sh and it does find all missing
library dependencies.

But kselftest_deps.sh cannot find missing tool dependencies,
such as ndisc6.

I think we still need to find a way to solve this problem.

Best wishes.

Juntong Deng