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2025-12-18 - 17:37
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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 Dec 18, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1721723890,9sleep09-21ksoftirqd/007:08:250
2175121570,3sleep21945499cyclictest09:28:412
1068911050,4ptp4l401ktimersoftd/307:12:243
44662710,2sleep10-21swapper/111:08:441
106891600,1ptp4l401ktimersoftd/309:42:393
305532570,2sleep20-21swapper/209:48:362
19454995542,7cyclictest33-21ksoftirqd/208:18:292
19454995542,7cyclictest33-21ksoftirqd/208:18:292
1945499514,5cyclictest33-21ksoftirqd/209:18:352
19444995031,3cyclictest9-21ksoftirqd/009:13:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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