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6 Commits

Author SHA1 Message Date
Kumar Kartikeya Dwivedi
087cba799c selftests/bpf: Add weak/typeless ksym test for light skeleton 
Also, avoid using CO-RE features, as lskel doesn't support CO-RE, yet.
Include both light and libbpf skeleton in same file to test both of them
together.

In c48e51c8b07a ("bpf: selftests: Add selftests for module kfunc support"),
I added support for generating both lskel and libbpf skel for a BPF
object, however the name parameter for bpftool caused collisions when
included in same file together. This meant that every test needed a
separate file for a libbpf/light skeleton separation instead of
subtests.

Change that by appending a "_lskel" suffix to the name for files using
light skeleton, and convert all existing users.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211028063501.2239335-7-memxor@gmail.com
 2021-10-28 16:30:07 -07:00
Yucong Sun
d3f7b1664d selfetest/bpf: Make some tests serial 
Change tests that often fails in parallel execution mode to serial.

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211006185619.364369-15-fallentree@fb.com
 2021-10-08 15:17:00 -07:00
Dave Marchevsky
d313d45a22 selftests/bpf: Migrate prog_tests/trace_printk CHECKs to ASSERTs 
Guidance for new tests is to use ASSERT macros instead of CHECK. Since
trace_vprintk test will borrow heavily from trace_printk's, migrate its
CHECKs so it remains obvious that the two are closely related.

Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210917182911.2426606-8-davemarchevsky@fb.com
 2021-09-17 14:02:05 -07:00
Alexei Starovoitov
1a532eb28d selftests/bpf: Convert test trace_printk to lskel. 
Convert test trace_printk to light skeleton to check
rodata support in lskel.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210514003623.28033-22-alexei.starovoitov@gmail.com
 2021-05-19 00:42:20 +02:00
Alexei Starovoitov
eb0f1e0c7f selftests/bpf: Convert test printk to use rodata. 
Convert test trace_printk to more aggressively validate and use rodata.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210514003623.28033-21-alexei.starovoitov@gmail.com
 2021-05-19 00:42:08 +02:00
Alan Maguire
59e8b60bf0 selftests/bpf: Add selftests verifying bpf_trace_printk() behaviour 
Simple selftests that verifies bpf_trace_printk() returns a sensible
value and tracing messages appear.

Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/1594641154-18897-3-git-send-email-alan.maguire@oracle.com
 2020-07-13 16:55:49 -07:00