Symbol: map_fd
tools/lib/bpf/libbpf.c
13655
int map_fd; /* BPF_MAP_TYPE_PERF_EVENT_ARRAY BPF map FD */
tools/lib/bpf/libbpf.h
1694
perf_buffer__new_raw(int map_fd, size_t page_cnt, struct perf_event_attr *attr,