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AR# 51190

Zynq-7000 AP SoC OS - How Can I Determine CPU Clock Frequency in Linux?

Description

Is there a way to find the rate of the ARM CPU clock frequency when the Linux operating system is running?

Solution

The maximum clock rates for the ARM Cortex-A9 APU can be found in the Zynq-7000 AP SoC datasheets:

To find the clock frequency at which the processor is running at a given time, use the following command in Linux:

cat /proc/cpuinfo

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
52599 Zynq-7000 AP SoC - Operating Systems Development N/A N/A
AR# 51190
Date Created 11/19/2012
Last Updated 11/20/2012
Status Active
Type General Article
Devices
  • Zynq-7000
Tools
  • EDK