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CONFIG_NET_SCH_CLK_CPU: CPU cycle counter

General informations

The Linux kernel configuration item CONFIG_NET_SCH_CLK_CPU:

Help text

Say Y here if you want to use the CPU's cycle counter as clock source. This is a cheap and high resolution clock source, but on some architectures it is not synchronized on all processors and doesn't handle cpu clock frequency changes.

The useable cycle counters are:

x86/x86_64 - Timestamp Counter alpha - Cycle Counter sparc64 - %ticks register ppc64 - Time base ia64 - Interval Time Counter

Choose this if your CPU's cycle counter is working properly.

Hardware

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