Created
May 6, 2021 21:19
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script to extract timestamp and dequeue latency for ops from an osd log
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#!/usr/bin/python | |
from datetime import datetime | |
import re | |
import sys | |
class Op(object): | |
def __init__(self, line): | |
self.lat = float(re.search('latency (\d+.\\d+)', line).group(1)) | |
self.line = line | |
time_format = '%Y-%m-%d %H:%M:%S.%f' | |
self.time = datetime.strptime(line[:23], time_format) | |
def main(): | |
ops = [] | |
with open(sys.argv[1]) as f: | |
for line in f.readlines(): | |
ops.append(Op(line)) | |
#ops.sort(key=lambda x: x.lat, reverse=True) | |
print() | |
# print('100 longest requests:') | |
# for i in range(min(100, len(ops))): | |
# print(i + 1, ops[i].lat, ops[i].line) | |
for op in ops: | |
print(op.time.timestamp(), ',', op.lat) | |
if __name__ == '__main__': | |
main() |
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Usage: filter the osd log for latency, and then run this script on it: