67 lines
1.4 KiB
Text
67 lines
1.4 KiB
Text
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import math
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import re
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import subprocess
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import sys
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# # timedatectl timesync-status
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# Server: 2001:638:610:be01::108 (ptbtime1.ptb.de)
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# Poll interval: 17min 4s (min: 32s; max 34min 8s)
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# Leap: normal
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# Version: 4
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# Stratum: 1
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# Reference: PTB
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# Precision: 1us (-20)
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# Root distance: 167us (max: 5s)
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# Offset: +1.086ms
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# Delay: 11.524ms
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# Jitter: 445us
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# Packet count: 5
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# Frequency: +99.341ppm
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KEY_OFFSET = 'Offset'
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KEY_PARSED_OFFSET = 'Parsed Offset'
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mult = {
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's': 1.0,
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'ms': 1.0 / 1000.0,
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'us': 1.0 / 1000000.0,
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}
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def get_stats():
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stats = {}
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for line in subprocess.check_output(['timedatectl', 'timesync-status']).decode('utf-8').split('\n'):
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line_parts = line.split(': ', 2)
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if len(line_parts) != 2:
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continue
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desc, cont = line_parts
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stats[desc.strip()] = cont.strip()
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groups = re.search(r'^([+-])([0-9.]+)([a-z]+)$',
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stats[KEY_OFFSET]).groups()
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offset = float(groups[1])
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offset = offset * mult[groups[2]]
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if groups[0] == '-':
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offset = offset * -1
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stats[KEY_PARSED_OFFSET] = offset
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return stats
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def main():
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stats = get_stats()
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if math.fabs(stats[KEY_PARSED_OFFSET]) > 1.0:
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print('{:.2f}s diff'.format(stats[KEY_PARSED_OFFSET]))
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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