selftests/bpf: Add kprobe_multi attach test

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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

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Jiri Olsa 2022-03-16 13:24:16 +01:00 • committed by Alexei Starovoitov

parent ddc6b04989

commit f7a11eeccb

3 changed files with 243 additions and 0 deletions

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141

tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c

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95

tools/testing/selftests/bpf/progs/kprobe_multi.c

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7

tools/testing/selftests/bpf/trace_helpers.c

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