On Mon, Mar 04, 2024 at 03:13:29PM +0200, Eduard Zingerman wrote: > On Mon, 2024-03-04 at 13:02 +0000, Haojian Zhuang wrote: > [...] > > > Yes, I'm referring to bpf_user_ringbuf_drain() helper function. > > > > Yes, I should extend bpf/progs/user_ringbuf_success.c. And it could be > > loaded by bpf/prog_tests/user_ringbuf.c. > > Before doing so, could you please share example you have in mind? > Sure. My test case is in the link (https://github.com/hzhuang1/linux/blob/bpf02/tools/testing/selftests/bpf/progs/test_crypto_kern.c). > > But I failed to find the binary of user_ringbuf.c after bpf test cases > > built. And there're no binaries for the test cases in bpf/prog_tests > > directory. How to make use of these test cases? I failed to find > > documents on it. Could you help to share any tips to me? Thanks > > The binary that runs tests is called "test_progs" and is compiled > using target "test_progs" under "tools/testing/selftests/bpf" directory. > Specific tests could be run using commands like: > - "./test_progs -a user_ringbuf" (to run all subtests in the group); > - "./test_progs -a user_ringbuf/test_user_ringbuf_loop" > (to run one subtest from the group). > Thanks. I'll follow this instruction. > I have an old writeup on setting up local testing environment, > if you need it I can update and share it. It's better if you can share it. Best Regards Haojian
