文章目录
- 参考
- libnuma
- 系统调用
- 启动参数
- CONFIG_NUMA
- numa_balancing
- config NUMA_BALANCING
- config NUMA_BALANCING_DEFAULT_ENABLED
- 对应的内核变量是：numabalancing_override
- 接口
- cpu_to_node
- 如何设置kvm虚拟机的numa配置
- 查看numa的一些统计数据
- vmware
- 如何启动命令时，设置进程的numa
- proc
- vmstat
- sys
- 如何配置systemd控制的服务的numa配置
- 跨numa的比例如果很大可能导致CPU的使用率上升
- Mems_allowed
- /sys/devices/system/node/node0
参考
Kernel自带的文档
https://frankdenneman.nl/2016/07/08/numa-deep-dive-part-2-system-architecture/
https://frankdenneman.nl/2016/07/07/numa-deep-dive-part-1-uma-numa/
https://linux.die.net/man/8/numactl
https://man7.org/linux/man-pages/man7/numa.7.html
https://github.com/numactl/numactl
vmware相关的numa资源管理：
https://docs.vmware.com/en/VMware-vSphere/7.0/vsphere-esxi-vcenter-server-703-resource-management-guide.pdf
libnuma
Library support
Link with -lnuma to get the system call definitions. libnuma and the required <numaif.h> header are available in the numactl package.
系统调用
获取cpu/node
__clib_export u32
