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2026-04-21 - 05:46
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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 Tue Apr 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2534521620,3sleep22974399cyclictest00:35:322
2592521350,3sleep12973999cyclictest01:42:081
1068911180,8ptp4l11468-21kworker/3:120:17:093
1068911180,8ptp4l11468-21kworker/3:120:17:093
223492930,2sleep00-21swapper/021:11:590
277332790,2sleep20-21swapper/200:04:282
223682720,4sleep02973299cyclictest01:38:010
223682720,4sleep02973299cyclictest01:38:010
284772694,10sleep20-21swapper/220:17:032
284772694,10sleep20-21swapper/220:17:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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