From: Namhyung Kim namhyung@kernel.org
[ Upstream commit 167b266bf66c5b93171011ef9d1f09b070c2c537 ]
In BTF, tracepoint definitions have the "btf_trace_" prefix. The off-cpu profiler needs to check the signature of the sched_switch event using that definition. But there's a typo (s/bpf/btf/) so it failed always.
Fixes: b36888f71c8542cd ("perf record: Handle argument change in sched_switch") Signed-off-by: Namhyung Kim namhyung@kernel.org Cc: Adrian Hunter adrian.hunter@intel.com Cc: bpf@vger.kernel.org Cc: Ian Rogers irogers@google.com Cc: Ingo Molnar mingo@kernel.org Cc: Jiri Olsa jolsa@kernel.org Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Song Liu song@kernel.org Link: https://lore.kernel.org/r/20221208182636.524139-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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;