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2025-12-16 - 07:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Tue Dec 16, 2025 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86124390,2sleep1859-21ssh23:35:001
215523680,2sleep132501-1kworker/u9:123:35:161
1751023570,1sleep111800-21kworker/u8:621:59:581
2571523550,4sleep228806-21kworker/2:023:19:582
209723500,1sleep232500-21kworker/u8:423:35:132
2495323320,2sleep20-21swapper/222:14:222
2089823320,5sleep119-21ksoftirqd/100:12:511
1265823320,4sleep119-21ksoftirqd/122:52:511
2930223220,2sleep129289-21ssh23:25:111
1389923210,6sleep1191ksoftirqd/119:11:121
2280023200,2sleep222782-21munin-run21:05:002
2307123150,2sleep20-21swapper/200:16:172
2458223140,2sleep20-21swapper/219:40:192
348123130,2sleep13480-21ssh21:30:161
348123130,2sleep13480-21ssh21:30:151
2018623100,1sleep216675-21kworker/u8:422:05:012
1042023100,2sleep20-21swapper/222:49:162
163423060,2sleep10-21swapper/100:38:031
1228523060,2sleep20-21swapper/221:49:132
478423040,1sleep132500-21kworker/u8:423:40:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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