On Wed, Jul 1, 2020 at 2:44 PM Jesper Dangaard Brouer <brouer@xxxxxxxxxx> wrote:
>
> The program test_progs have some very useful ability to specify a list of
> test name substrings for selecting which tests to run.
>
> This patch add the ability to list the selected test names without running
> them. This is practical for seeing which tests gets selected with given
> select arguments (which can also contain a exclude list via --name-blacklist).
>
> This output can also be used by shell-scripts in a for-loop:
>
> for N in $(./test_progs --list -t xdp); do \
> ./test_progs -t $N 2>&1 > result_test_${N}.log & \
> done ; wait
>
> This features can also be used for looking up a test number and returning
> a testname. If the selection was empty then a shell EXIT_FAILURE is
> returned. This is useful for scripting. e.g. like this:
>
> n=1;
> while [ $(./test_progs --list -n $n) ] ; do \
> ./test_progs -n $n ; n=$(( n+1 )); \
> done
>
> Signed-off-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
> ---
Acked-by: Andrii Nakryiko <andriin@xxxxxx>
> tools/testing/selftests/bpf/test_progs.c | 15 +++++++++++++++
> tools/testing/selftests/bpf/test_progs.h | 1 +
> 2 files changed, 16 insertions(+)
>
[...]
