perf_buffer__buffer_fd - Linux

Symbol: perf_buffer__buffer_fd

tools/lib/bpf/libbpf.h

LIBBPF_API int perf_buffer__buffer_fd(const struct perf_buffer *pb, size_t buf_idx);

tools/testing/selftests/bpf/prog_tests/perf_buffer.c

fd = perf_buffer__buffer_fd(pb, j);