红帽全球峰会2.9. numastat
numastat 工具根据每个 NUMA 节点显示进程和操作系统的内存统计信息。
默认情况下，numastat 显示每个节点的 NUMA 命中内核内存分配器中的系统统计信息。最佳性能由高
numa_hit 值和低 numa_miss 值表示。numastat 也提供了很多命令行选项，它可显示系统和进程内存如何在系统中的 NUMA 节点之间分布。
使用每个 CPU 顶部 输出跨节点 numastat 输出的交叉引用很有用，以验证进程线程是否在分配给内存的同一节点上运行。
$ man numastat
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