windows-xp – 什么是内核时代

我最近注意到,在“性能”选项卡下的 Windows XP任务管理器中有一个“显示内核时间”选项.这显示为绿色“CPU使用”仪表上的红色表.究竟什么是内核时代？ 了解用户和内核模式

http://blog.codinghorror.com/understanding-user-and-kernel-mode/

In Kernel mode,the executing code has complete and unrestricted access to the underlying hardware. It can execute any CPU instruction and reference any memory address. Kernel mode is generally reserved for the lowest-level,most trusted functions of the operating system. Crashes in kernel mode are catastrophic; they will halt the entire PC.

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