Symbol: BPF_FIELD_EXISTS
tools/lib/bpf/bpf_core_read.h
188
__builtin_preserve_field_info(___bpf_field_ref(field), BPF_FIELD_EXISTS)
tools/perf/util/bpf_skel/sample_filter.bpf.c
167
if (__builtin_preserve_field_info(data->mem_hops, BPF_FIELD_EXISTS))