Python get CPU frequency

import re
pattern = re.compile("^cpu MHz\s*:\s*(?P.+)$", re.M)
for line in open('/proc/cpuinfo'):
    match = pattern.search(line)
    if match:
        return 'Cpu: %.1f GHz' % (float(match.group('cpu_frequency').strip()) / 1000)

Reference :

Python lava-android-test package v0.0.6, lava_android_test.hwprofile module source code :: PyDoc.net