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2025-11-28 - 08:08
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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 Fri Nov 28, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3081121450,5sleep0253199cyclictest00:45:560
1773911040,4ptp4l401ktimersoftd/320:16:353
2531999075,6cyclictest9-21ksoftirqd/000:15:520
262932880,2sleep10-21swapper/122:53:231
2542998575,6cyclictest33-21ksoftirqd/201:15:522
2542997666,5cyclictest33-21ksoftirqd/201:40:572
2542997660,10cyclictest33-21ksoftirqd/220:20:472
2542997260,6cyclictest33-21ksoftirqd/221:15:492
177391710,1ptp4l401ktimersoftd/301:16:393
2531997057,7cyclictest9-21ksoftirqd/023:55:520
324412690,2sleep30-21swapper/321:20:513
324412690,2sleep30-21swapper/321:20:513
2531996857,6cyclictest9-21ksoftirqd/001:10:570
177391680,9ptp4l401ktimersoftd/300:23:553
177391680,1ptp4l401ktimersoftd/301:26:503
101612670,2sleep10-21swapper/101:36:031
2542996654,6cyclictest33-21ksoftirqd/221:45:482
2531996554,5cyclictest9-21ksoftirqd/023:40:510
2531996552,6cyclictest9-21ksoftirqd/023:15:530
2531996552,5cyclictest9-21ksoftirqd/001:35:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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