51   int which[] = {CTL_VM, VM_LOADAVG};  in uv_loadavg()  local
53   if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0) < 0) return;  in uv_loadavg()
116   int which[] = {CTL_VM, VM_UVMEXP};  in uv_get_free_memory()  local
118   if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0))  in uv_get_free_memory()
127   int which[] = {CTL_HW, HW_PHYSMEM64};  in uv_get_total_memory()  local
130   if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0))  in uv_get_total_memory()
167   static int which[] = {CTL_KERN, KERN_BOOTTIME};  in uv_uptime()  local
169   if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0))  in uv_uptime()
185   int which[] = {CTL_HW,HW_MODEL};  in uv_cpu_info()  local
192   if (sysctl(which, ARRAY_SIZE(which), &model, &size, NULL, 0))  in uv_cpu_info()
195   which[1] = HW_NCPUONLINE;  in uv_cpu_info()
197   if (sysctl(which, ARRAY_SIZE(which), &numcpus, &size, NULL, 0))  in uv_cpu_info()
207   which[1] = HW_CPUSPEED;  in uv_cpu_info()
209   if (sysctl(which, ARRAY_SIZE(which), &cpuspeed, &size, NULL, 0))  in uv_cpu_info()