I always forget howto run the BPF selftests. Thus, lets add that info to the QA document. Documentation was based on Cilium's documentation: http://cilium.readthedocs.io/en/latest/bpf/#verifying-the-setup Signed-off-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> --- Documentation/bpf/bpf_devel_QA.rst | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/Documentation/bpf/bpf_devel_QA.rst b/Documentation/bpf/bpf_devel_QA.rst index 2254bdeae990..0e7c1d946e83 100644 --- a/Documentation/bpf/bpf_devel_QA.rst +++ b/Documentation/bpf/bpf_devel_QA.rst @@ -417,6 +417,33 @@ submitted by the BPF maintainers to the stable maintainers. Testing patches =============== +Q: How to run BPF selftests +--------------------------- +A: After you have booted into the newly compiled kernel, navigate to +the BPF selftests_ suite in order to test BPF functionality (current +working directory points to the root of the cloned git tree):: + + $ cd tools/testing/selftests/bpf/ + $ make + +To run the verifier tests:: + + $ sudo ./test_verifier + +The verifier tests print out all the current checks being +performed. The summary at the end of running all tests will dump +information of test successes and failures:: + + Summary: 418 PASSED, 0 FAILED + +In order to run through all BPF selftests, the following command is +needed:: + + $ sudo make run_tests + +See the kernels selftest `Documentation/dev-tools/kselftest.rst`_ +document for further documentation. + Q: Which BPF kernel selftests version should I run my kernel against? --------------------------------------------------------------------- A: If you run a kernel ``xyz``, then always run the BPF kernel selftests @@ -607,5 +634,7 @@ when: .. _netdev FAQ: ../networking/netdev-FAQ.txt .. _samples/bpf/: ../../samples/bpf/ .. _selftests: ../../tools/testing/selftests/bpf/ +.. _Documentation/dev-tools/kselftest.rst: + https://www.kernel.org/doc/html/latest/dev-tools/kselftest.html Happy BPF hacking! -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
