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2026-03-22 - 18:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack5slot0.osadl.org (updated Sun Mar 22, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2728621330,2sleep01086799cyclictest09:44:580
2050521170,4sleep31087399cyclictest09:40:413
40972980,4sleep21087299cyclictest11:08:482
99572930,5sleep31087399cyclictest09:32:323
99572930,5sleep31087399cyclictest09:32:313
301042920,2sleep30-21swapper/310:28:533
57312910,1sleep12512-21runrttasks12:40:001
5812880,2sleep10-21swapper/110:58:051
240022880,0sleep00-21swapper/010:46:050
147572880,1sleep214756-21bash12:14:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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