| PERF_EVENT_IOC_ENABLE _IO ('$', 0) |
| PERF_EVENT_IOC_DISABLE _IO ('$', 1) |
| PERF_EVENT_IOC_REFRESH _IO ('$', 2) |
| PERF_EVENT_IOC_RESET _IO ('$', 3) |
| PERF_EVENT_IOC_PERIOD _IOW('$', 4, uint64_t) |
| PERF_EVENT_IOC_SET_OUTPUT _IO ('$', 5) |
| PERF_EVENT_IOC_SET_FILTER _IOW('$', 6, char *) |
| PERF_EVENT_IOC_ID _IOR('$', 7, uint64_t *) |
| PERF_EVENT_IOC_SET_BPF _IOW('$', 8, uint32_t) |
| PERF_EVENT_IOC_PAUSE_OUTPUT _IOW('$', 9, uint32_t) |
| PERF_EVENT_IOC_QUERY_BPF _IOWR('$', 10, struct perf_event_query_bpf *) |
| PERF_EVENT_IOC_MODIFY_ATTRIBUTES _IOW('$', 11, struct perf_event_attr *) |