Commit 73006702 authored by Jiri Olsa's avatar Jiri Olsa Committed by Alexei Starovoitov
Browse files

selftest/bpf: Fix kprobe_multi bench test 



With [1] the available_filter_functions file contains records
starting with __ftrace_invalid_address___ and marking disabled
entries.

We need to filter them out for the bench test to pass only
resolvable symbols to kernel.

[1] commit b39181f7 ("ftrace: Add FTRACE_MCOUNT_MAX_OFFSET to avoid adding weak function")

Fixes: b39181f7 ("ftrace: Add FTRACE_MCOUNT_MAX_OFFSET to avoid adding weak function")
Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220615112118.497303-5-jolsa@kernel.org


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent eb5fb032

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

+3 −0
Original line number Diff line number Diff line
@@ -364,6 +364,9 @@ static int get_syms(char ***symsp, size_t *cntp) 
			continue;

		if (!strncmp(name, "rcu_", 4))

			continue;

		if (!strncmp(name, "__ftrace_invalid_address__",

			     sizeof("__ftrace_invalid_address__") - 1))

			continue;

		err = hashmap__add(map, name, NULL);

		if (err) {

			free(name);