[PATCH bpf-next 3/4] selftests/bpf: skip recursive functions for kprobe_multi

From: Menglong Dong
Date: Mon Jul 28 2025 - 00:13:56 EST


Some functions is recursive for the kprobe_multi and impact the benchmark
results. So just skip them.

Signed-off-by: Menglong Dong <dongml2@xxxxxxxxxxxxxxx>
---
tools/testing/selftests/bpf/trace_helpers.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/selftests/bpf/trace_helpers.c
index d24baf244d1f..9da9da51b132 100644
--- a/tools/testing/selftests/bpf/trace_helpers.c
+++ b/tools/testing/selftests/bpf/trace_helpers.c
@@ -559,6 +559,22 @@ static bool skip_entry(char *name)
if (!strncmp(name, "__ftrace_invalid_address__",
sizeof("__ftrace_invalid_address__") - 1))
return true;
+
+ if (!strcmp(name, "migrate_disable"))
+ return true;
+ if (!strcmp(name, "migrate_enable"))
+ return true;
+ if (!strcmp(name, "rcu_read_unlock_strict"))
+ return true;
+ if (!strcmp(name, "preempt_count_add"))
+ return true;
+ if (!strcmp(name, "preempt_count_sub"))
+ return true;
+ if (!strcmp(name, "__rcu_read_lock"))
+ return true;
+ if (!strcmp(name, "__rcu_read_unlock"))
+ return true;
+
return false;
}

--
2.50.1