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2026-04-30 - 12:20
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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 Thu Apr 30, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385322730,5sleep13857-21timerwakeupswit20:22:101
2038221860,4sleep0448099cyclictest00:45:570
2402421660,5sleep3449799cyclictest23:28:433
282921650,5sleep3449799cyclictest00:23:323
2756321370,3sleep0448099cyclictest01:33:430
1068911090,39ptp4l401ktimersoftd/320:24:193
276652760,3sleep30-21swapper/322:21:423
257222620,2sleep20-21swapper/221:07:062
108242610,2sleep30-21swapper/300:33:233
449199585,8cyclictest1893-21apt-get01:01:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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