红帽全球峰会第 26 章 使用 trace-cmd 追踪延迟
trace-cmd 程序是 ftrace 工具的一个前端。它可以启用 ftrace 操作，而无需写入 /sys/kernel/debug/tracing/ 目录。trace-cmd 在安装时不会添加任何开销。
先决条件
- 管理员特权。
26.1. 安装 trace-cmd
复制链接链接已复制到粘贴板!
trace-cmd 工具为 ftrace 工具提供了一个前端。
先决条件
- 管理员特权
流程
安装
trace-cmd。# yum install trace-cmd
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