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2025-06-29 - 01:02
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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 Sat Jun 28, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2137321590,4sleep1309499cyclictest13:46:521
151891910,3ptp4l401ktimersoftd/309:52:503
30322760,4sleep2309899cyclictest13:23:122
323862700,5sleep132388-21phc2sys-jitter14:38:151
323862700,5sleep132388-21phc2sys-jitter14:38:151
151891670,1ptp4l401ktimersoftd/312:18:513
26952640,2sleep20-21swapper/214:42:342
26952640,2sleep20-21swapper/214:42:342
151891620,1ptp4l401ktimersoftd/312:32:013
151891600,1ptp4l401ktimersoftd/313:31:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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