FEAT_OPR
FEAT_OPR(HOSTNAME, hostname, false),
FEAT_OPR(OSRELEASE, osrelease, false),
FEAT_OPR(VERSION, version, false),
FEAT_OPR(ARCH, arch, false),
FEAT_OPR(NRCPUS, nrcpus, false),
FEAT_OPR(CPUDESC, cpudesc, false),
FEAT_OPR(CPUID, cpuid, false),
FEAT_OPR(TOTAL_MEM, total_mem, false),
FEAT_OPR(EVENT_DESC, event_desc, false),
FEAT_OPR(CMDLINE, cmdline, false),
FEAT_OPR(CPU_TOPOLOGY, cpu_topology, true),
FEAT_OPR(NUMA_TOPOLOGY, numa_topology, true),
FEAT_OPR(PMU_MAPPINGS, pmu_mappings, false),
FEAT_OPR(GROUP_DESC, group_desc, false),
FEAT_OPR(SAMPLE_TIME, sample_time, false),
FEAT_OPR(MEM_TOPOLOGY, mem_topology, true),
FEAT_OPR(CLOCKID, clockid, false),
FEAT_OPR(BPF_PROG_INFO, bpf_prog_info, false),
FEAT_OPR(BPF_BTF, bpf_btf, false),
FEAT_OPR(COMPRESSED, compressed, false),
FEAT_OPR(CPU_PMU_CAPS, cpu_pmu_caps, false),
FEAT_OPR(CLOCK_DATA, clock_data, false),
FEAT_OPR(PMU_CAPS, pmu_caps, false),
FEAT_OPR(CPU_DOMAIN_INFO, cpu_domain_info, true),
FEAT_OPR(E_MACHINE, e_machine, false),