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3 Commits

Author SHA1 Message Date
Alexei Starovoitov
7f0059b58f selftests/bpf: Fix kprobe_multi test. 
When compiler emits endbr insn the function address could
be different than what bpf_get_func_ip() reports.
This is a short term workaround.
bpf_get_func_ip() will be fixed later.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2022-03-22 11:09:13 -07:00
Jiri Olsa
2c6401c966 selftests/bpf: Add kprobe_multi bpf_cookie test 
Adding bpf_cookie test for programs attached by kprobe_multi links.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220316122419.933957-12-jolsa@kernel.org
 2022-03-17 20:17:19 -07:00
Jiri Olsa
f7a11eeccb selftests/bpf: Add kprobe_multi attach test 
Adding kprobe_multi attach test that uses new fprobe interface to
attach kprobe program to multiple functions.

The test is attaching programs to bpf_fentry_test* functions and
uses single trampoline program bpf_prog_test_run to trigger
bpf_fentry_test* functions.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220316122419.933957-11-jolsa@kernel.org
 2022-03-17 20:17:19 -07:00