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2026-03-13 - 07:18
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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 Mar 13, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1049421660,3sleep21718999cyclictest23:38:022
1068911620,4ptp4l401ktimersoftd/319:57:453
560621450,4sleep01717799cyclictest22:27:260
560621450,4sleep01717799cyclictest22:27:260
2906321440,4sleep21718999cyclictest22:50:362
3702830,2sleep20-21swapper/223:27:382
27532760,2sleep00-21swapper/020:35:210
158752750,6sleep2311rcuc/219:55:262
1717799688,23cyclictest8723-21cut22:30:290
143332660,2sleep20-21swapper/200:46:552
1717799657,24cyclictest14026-21timerandwakeup23:40:420
1717799651,29cyclictest22448-21ssh23:16:400
1717799650,28cyclictest6436-21sed00:05:410
57872640,2sleep20-21swapper/200:05:322
24752640,2sleep00-21swapper/000:35:290
198802640,2sleep10-21swapper/123:15:161
1717799631,31cyclictest17438-21cpuspeed_turbos23:45:250
1717799631,22cyclictest18197-21ssh22:40:270
260012610,4sleep11718499cyclictest20:15:261
1717799610,25cyclictest14520-21sed23:10:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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