请教 am437x的CPU主频如何查看?
root@am437x-evm:~# cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 10 (v7l)
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x2
CPU part : 0xc09
CPU revision : 10
Hardware : Generic AM43 (Flattened Device Tree)
Revision : 0000
Serial : 0000000000000000
root@am437x-evm:~#
