__has_builtin was passed the macro rather than the actual builtin feature. Fixes: 1bece1351c65 ("perf lock contention: Support old rw_semaphore type") Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx> --- tools/perf/util/bpf_skel/lock_contention.bpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/bpf_skel/lock_contention.bpf.c b/tools/perf/util/bpf_skel/lock_contention.bpf.c index e6007eaeda1a..e422eee0f942 100644 --- a/tools/perf/util/bpf_skel/lock_contention.bpf.c +++ b/tools/perf/util/bpf_skel/lock_contention.bpf.c @@ -182,7 +182,7 @@ static inline struct task_struct *get_lock_owner(__u64 lock, __u32 flags) struct mutex *mutex = (void *)lock; owner = BPF_CORE_READ(mutex, owner.counter); } else if (flags == LCB_F_READ || flags == LCB_F_WRITE) { -#if __has_builtin(bpf_core_type_matches) +#if __has_builtin(__builtin_preserve_type_info) if (bpf_core_type_matches(struct rw_semaphore___old)) { struct rw_semaphore___old *rwsem = (void *)lock; owner = (unsigned long)BPF_CORE_READ(rwsem, owner); -- 2.40.0.rc0.216.gc4246ad0f0-goog