我使用 qemu 运行 ubuntu16。我遇到了offline cpu
。我想启用它。但是,/sys/devices/system/cpu/cpu0
找不到。如何启用它?
非常感谢。
~$lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 8
On-line CPU(s) list: 0-3
Off-line CPU(s) list: 4-7
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 4