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2025-12-08 - 09:00
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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 Mon Dec 08, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22848223992209,138sleep00-21swapper17:38:110
231059911229,52cyclictest0-21swapper19:50:000
231059910435,51cyclictest0-21swapper20:22:450
231059910416,67cyclictest9984-21users21:07:000
231059910336,52cyclictest0-21swapper22:12:220
231059910214,51cyclictest23442-21ssh20:11:100
231059910211,29cyclictest17614-21ssh23:09:060
231059910134,49cyclictest0-21swapper20:04:420
231059910114,66cyclictest17879-21sshd19:55:090
231059910031,54cyclictest0-21swapper21:54:490
231059910028,64cyclictest0-21swapper22:38:190
231059910017,23cyclictest904-21df20:40:550
231059910015,64cyclictest10374-21fw_conntrack22:46:110
231059910014,43cyclictest21007-21/usr/sbin/munin21:40:470
23105999916,46cyclictest13516-21ssh22:56:070
23105999910,27cyclictest32449-21ssh20:37:220
2310599989,66cyclictest5984-21/usr/sbin/munin22:31:510
23105999833,48cyclictest0-21swapper21:37:460
23105999828,59cyclictest0-21swapper22:15:170
23105999820,58cyclictest11946-21fw_conntrack22:51:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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