33 lines
808 B
Python
33 lines
808 B
Python
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#!/usr/bin/env python3
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# Print logs that have gaps between them larger than the threshold - useful for
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# finding slowdowns in the code where the thread is busy for long periods of
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# time
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# usage:
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# tail -F logfile | python slowlogs.py 0.75
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import sys, re
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from datetime import datetime
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THRESHOLD = 0.75
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if len(sys.argv) > 0:
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THRESHOLD = float(sys.argv[1])
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last = None
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prevline = None
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dt = re.compile(r"([0-9-]+ [0-9:.]+)")
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for line in sys.stdin:
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match = dt.search(line)
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if match:
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current = datetime.strptime(match.group(1), "%Y-%m-%d %H:%M:%S.%f")
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if last != None and (current - last).total_seconds() > THRESHOLD:
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print((current - last).total_seconds())
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print(prevline, end="")
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print(line)
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last = current
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prevline = line
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