Re: [PATCH v2 net-next 08/14] selftests: xsk: run one test case per xskxceiver invocation

["Björn Töpel" <bjorn@kernel.org>]

Maciej Fijalkowski <maciej.fijalkowski@intel.com> writes:

> Make test_xsk.sh own the mode x case matrix and run xskxceiver once per
> case, so that every case starts from a fresh process and a case that
> crashes fails only itself. A single case is also the unit that the next
> patch splits into separate RX and TX endpoint processes.
>
> xskxceiver now requires -m and -t and runs exactly that case. It
> reports one KTAP result and exits with its verdict. An unsupported mode
> skips the case instead of exiting with XFAIL.
>
> test_xsk.sh runs every case in the skb and drv modes, or in the one
> given with -m, in both the softirq and the busy-poll pass, and prints a
> summary of the passed, skipped and failed cases. -t also accepts a test
> name, which is resolved through xskxceiver -l. Only skb and drv modes
> are accepted, as veth has no zero-copy support, and the script skips
> when xskxceiver was not built. As ARGS is now rebuilt for every case,
> exec_xskxceiver() adds -b to a local copy of it.
>
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
> ---
>  .../selftests/net/lib/xsk/xskxceiver.c        |  52 ++++-----
>  tools/testing/selftests/net/test_xsk.sh       | 102 ++++++++++++++----
>  tools/testing/selftests/net/xsk_prereqs.sh    |   6 +-
>  3 files changed, 103 insertions(+), 57 deletions(-)

Again, Python please. Maybe carry the bash side over in the first
commit, and here introduce a new, shiny Python test driver?


Björn