Linux command
numastat 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Show NUMA statistics
numastat
Show per-process NUMA memory
numastat -p [pid]
Show per-node memory info
numastat -m
Show compact output
numastat -c
Show statistics for command
numastat -p $(pgrep [process_name])
说明
numastat displays memory statistics for NUMA (Non-Uniform Memory Access) systems. It shows per-node memory allocation, hits, misses, and process memory distribution. Understanding NUMA statistics helps optimize application performance on multi-socket systems.
参数
- -p _pid_
- Show per-process stats.
- -m
- Show memory info.
- -c
- Compact output.
- -n
- Show original format.
- -s _node_
- Sort by node.
- -z
- Skip zero values.
FAQ
What is the numastat command used for?
numastat displays memory statistics for NUMA (Non-Uniform Memory Access) systems. It shows per-node memory allocation, hits, misses, and process memory distribution. Understanding NUMA statistics helps optimize application performance on multi-socket systems.
How do I run a basic numastat example?
Run `numastat` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -p _pid_ do in numastat?
Show per-process stats.