Created
December 9, 2016 21:29
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osd slow ops
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#!/usr/bin/python | |
from datetime import datetime | |
import re | |
import sys | |
class Transaction(object): | |
def __init__(self, tid, start): | |
self.tid = tid | |
self.start = start | |
def set_end(self, end): | |
self.end = end | |
td = self.end - self.start | |
self.duration = (td.microseconds + (td.seconds + td.days * 24 * 3600) * 10**6) / float(10**6) | |
def main(): | |
in_flight = {} | |
durations = [] | |
time_format = '%Y-%m-%d %H:%M:%S.%f' | |
with file(sys.argv[1], 'r') as f: | |
for line in f.readlines(): | |
if '<==' in line and 'osd_op(' in line: | |
try: | |
tid = re.search('osd_op\(.*:(\d+)', line).group(1) | |
except Exception: | |
print 'bad line:', line | |
raise | |
start = datetime.strptime(line[:26], time_format) | |
if tid in in_flight: | |
print 'resent', tid | |
else: | |
in_flight[tid] = Transaction(tid, start) | |
elif '-->' in line and 'osd_op_reply(' in line: | |
tid = re.search('osd_op_reply\((\d+)', line).group(1) | |
if tid in in_flight: | |
trans = in_flight[tid] | |
trans.set_end(datetime.strptime(line[:26], time_format)) | |
durations.append((trans.tid, trans.duration)) | |
del in_flight[tid] | |
else: | |
print tid | |
print 'dup reply', tid | |
for tid in in_flight: | |
print 'unacked request', tid | |
durations.sort(key=lambda x: x[1], reverse=True) | |
print '100 longest requests:' | |
for i in range(min(100, len(durations))): | |
print i + 1, durations[i][1], durations[i][0] | |
if __name__ == '__main__': | |
main() |
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