/proc/cpuinfo
doesn't show CPU frequency at all.
I built the kernel on my own. Did I miss some kernel configuration?
pi@raspberrypi ~ $ cat /proc/cpuinfo
processor : 0
model name : ARMv6-compatible processor rev 7 (v6l)
Features : swp half thumb fastmult vfp edsp java tls
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xb76
CPU revision : 7
Hardware : BCM2708
Revision : 000e
Serial : 000000009b0dee2f
Kernel version.
pi@raspberrypi ~ $ uname -a
Linux raspberrypi 3.12.9+ #3 PREEMPT Fri Mar 28 16:20:08 KST 2014 armv6l GNU/Linux
Best Answer
This is expected behavior, it's an architecture-dependent feature. Embedded Linux doesn't provide this info, most likely because the CPUs don't.
Here's an example from a router of mine: