CentOS的CPU配置要求主要涉及硬件支持和系統設置,具體如下:
硬件要求
cat /proc/cpuinfo | grep -i vmx或grep -i svm查看是否支持。系統設置
nproc或cat /proc/cpuinfo | grep "processor" | wc -l。lscpu或cat /proc/cpuinfo | grep "physical id" | uniq | wc -l。echo "performance" > /proc/sys/kernel/irq affinity(禁用節能)。/etc/default/grub),添加intel_idle.max_cstate=0等參數。注意事項
virsh edit <虛擬機名>設置vcpu數量)。參考來源: