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2023-09-25selftests/bpf: Add test for missed counts of perf event link kprobeJiri Olsa
Adding test that puts kprobe on bpf_fentry_test1 that calls bpf_kfunc_common_test kfunc, which has also kprobe on. The latter won't get triggered due to kprobe recursion check and kprobe missed counter is incremented. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Hou Tao <houtao1@huawei.com> Link: https://lore.kernel.org/bpf/20230920213145.1941596-8-jolsa@kernel.org