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2024-04-25 - 05:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack5slot7.osadl.org (updated Thu Apr 25, 2024 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29139224022164,185sleep00-21swapper18:08:450
291879914873,52cyclictest19705-21ssh20:18:190
291879913870,47cyclictest8946-21ssh21:24:250
291879913575,38cyclictest25514-21cat22:14:530
291879913474,36cyclictest16278-21snmpd23:36:590
291879913375,35cyclictest5652-21/usr/sbin/munin22:54:200
291879913365,47cyclictest26752-21apt-get22:19:150
291879913271,37cyclictest4831-21/usr/sbin/munin22:50:330
291879913177,32cyclictest2969-21memory22:45:080
291879912975,33cyclictest6672-21sort19:13:560
291879912974,34cyclictest19970-21ssh20:19:130
291879912973,33cyclictest21981-21irqstats20:25:050
291879912972,32cyclictest5440-21latency_hist21:13:580
291879912968,45cyclictest12195-21aten_r5power_vo21:34:250
291879912962,46cyclictest16278-21snmpd22:32:320
291879912874,33cyclictest22192-21df_inode22:04:410
291879912773,30cyclictest27340-21users20:40:450
291879912772,33cyclictest7666-21aten_r5power_cu19:19:140
291879912772,32cyclictest6651-21ssh21:16:480
291879912769,33cyclictest15495-21ntpq23:25:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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