Show Table of Contents
2.7. perf
perf 工具使用硬體效能計數器和 kernel 追蹤點，追蹤您系統上其他命令和應用程式的影響。各種 perf 子指令會顯示和紀錄命令效能事件的數據，以及對已紀錄的資料進行分析和報告。
有關 perf 和其子指令的詳細資訊，詳見〈 節 A.7, “perf”〉。
此外，《 Red Hat Enterprise Linux 7 開發者指南 》中有更多資訊，網址為： http://access.redhat.com/site/documentation/Red_Hat_Enterprise_Linux/。
Where did the comment section go?
Red Hat's documentation publication system recently went through an upgrade to enable speedier, more mobile-friendly content. We decided to re-evaluate our commenting platform to ensure that it meets your expectations and serves as an optimal feedback mechanism. During this redesign, we invite your input on providing feedback on Red Hat documentation via the discussion platform.