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2026-06-24 - 22:22
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackbslot6.osadl.org (updated Wed Jun 24, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3006121870,5sleep12448599cyclictest13:20:141
2412521600,5sleep02448399cyclictest14:19:510
832521480,4sleep02448399cyclictest14:03:010
1068911350,8ptp4l10373-21kworker/3:108:55:313
91232790,2sleep00-21swapper/009:27:510
241022735,10sleep00-21swapper/008:53:460
106891650,1ptp4l401ktimersoftd/312:52:273
106891650,1ptp4l401ktimersoftd/311:17:383
106891650,1ptp4l401ktimersoftd/311:17:383
24496996356,3cyclictest41-21ksoftirqd/313:32:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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