In the BTF, tracepoint definitions have the prefix of "btf_trace_".
The off-cpu profilier needs to check the signature of sched_switch
event using the definition. But there's a typo (s/bpf/btf/) so it
failed always.
Fixes: b36888f71c85 ("perf record: Handle argument change in sched_switch")
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/perf/util/bpf_off_cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/bpf_off_cpu.c b/tools/perf/util/bpf_off_cpu.c
index c257813e674e..01f70b8e705a 100644
--- a/tools/perf/util/bpf_off_cpu.c
+++ b/tools/perf/util/bpf_off_cpu.c
@@ -102,7 +102,7 @@ static void check_sched_switch_args(void)
const struct btf_type *t1, *t2, *t3;
u32 type_id;
- type_id = btf__find_by_name_kind(btf, "bpf_trace_sched_switch",
+ type_id = btf__find_by_name_kind(btf, "btf_trace_sched_switch",
BTF_KIND_TYPEDEF);
if ((s32)type_id < 0)
return;
--
2.39.0.rc1.256.g54fd8350bd-goog
