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2026-05-06 - 19:16
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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 20 highest latencies:
System rackbslot6.osadl.org (updated Wed May 06, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3105921770,5sleep02833199cyclictest11:10:480
968221460,5sleep12833899cyclictest11:55:381
1068911060,3ptp4l401ktimersoftd/308:25:383
28331997664,5cyclictest9-21ksoftirqd/011:20:310
28331997664,5cyclictest9-21ksoftirqd/011:20:310
28331997360,6cyclictest9-21ksoftirqd/012:55:360
106891700,1ptp4l401ktimersoftd/313:58:413
106891690,1ptp4l401ktimersoftd/311:49:433
28331996855,6cyclictest9-21ksoftirqd/013:05:340
28331996754,6cyclictest9-21ksoftirqd/013:55:350
233722670,3sleep32834799cyclictest13:15:373
106891670,1ptp4l401ktimersoftd/313:09:513
28331996653,6cyclictest9-21ksoftirqd/011:00:300
151972650,4sleep02833199cyclictest12:00:430
28331996452,6cyclictest9-21ksoftirqd/013:20:350
28331996350,6cyclictest9-21ksoftirqd/012:15:320
106891620,1ptp4l401ktimersoftd/310:39:003
106891610,1ptp4l401ktimersoftd/309:10:403
28331995845,6cyclictest9-21ksoftirqd/010:45:310
28331995645,5cyclictest9-21ksoftirqd/012:40:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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