红帽全球峰会第 24 章 使用 trace-cmd 追踪延迟
trace-cmd 工具是 ftrace 工具的前端。通过使用 trace-cmd，您可以启用 ftrace 操作，而无需写入 /sys/kernel/debug/tracing/ 目录。trace-cmd 不会在安装时添加任何开销。
先决条件
- 有管理员特权。
24.1. 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
- 有管理员特权。
流程
安装
trace-cmd工具。# dnf install trace-cmd
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