attr_type_sw 211 samples/bpf/trace_event_user.c struct perf_event_attr attr_type_sw = { attr_type_sw 259 samples/bpf/trace_event_user.c test_perf_event_all_cpu(&attr_type_sw); attr_type_sw 260 samples/bpf/trace_event_user.c test_perf_event_task(&attr_type_sw);