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2026-06-26 - 00:32
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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 rackdslot0.osadl.org (updated Thu Jun 25, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
572799280,0cyclictest0-21swapper/008:15:140
5732992615,11cyclictest0-21swapper/111:43:361
5732992313,0cyclictest0-21swapper/110:42:071
5727992314,0cyclictest0-21swapper/011:11:450
5727992313,10cyclictest0-21swapper/012:33:060
572799230,22cyclictest0-21swapper/008:05:140
573299220,18cyclictest0-21swapper/112:16:261
573299215,2cyclictest4099-21H222:10:211
5727992113,4cyclictest0-21swapper/008:53:390
573699202,2cyclictest3989-21H222:10:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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