#!/usr/bin/python
import glob
import os
import sys

SYS_CPU = '/sys/devices/system/cpu/cpu{}'
SYS_CPU_SETTING = '/sys/devices/system/cpu/cpu{cpu}/{setting}'

SETTINGS = {
    'Online': 'online',
    'Min Freq.': 'cpufreq/cpuinfo_min_freq',
    'Max Freq.': 'cpufreq/cpuinfo_max_freq',
    'Scaling Driver': 'cpufreq/scaling_driver',
    'Scaling Governor': 'cpufreq/scaling_governor',
    'Scaling Governor': 'cpufreq/scaling_governor',
}

if __name__ == '__main__':
    cpus = [int(path[len(SYS_CPU.format('')):]) for path in \
            glob.glob(SYS_CPU.format('[0-9]*'))]

    for cpu in cpus:
        hdr = 'CPU {}'.format(cpu)
        divider = '-' * len(hdr)
        print(hdr)
        print(divider)
        for setting, path in SETTINGS.items():
            try:
                with open(SYS_CPU_SETTING.format(cpu=cpu, setting=path), 'r') as f:
                    value = f.read().strip()
            except IOError:
                pass
            print('{}:\t{}'.format(setting, value))
        node = -1
        try:
            nodes = glob.glob(SYS_CPU_SETTING.format(cpu=cpu, setting='node*'))
            if len(nodes) is not 1:
                node = -1
            else:
                node = int(nodes[0]\
                        [len(SYS_CPU_SETTING.format(cpu=cpu, setting='node')):])
        except IOError:
            node = -1
        print('NUMA Node: {}'.format(node))
        print('')