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2025-12-08 - 14:17
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot4.osadl.org (updated Mon Dec 08, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31037214081,7sleep20-21swapper/207:06:052
31214212363,7sleep00-21swapper/007:08:230
311482112102,7sleep10-21swapper/107:07:321
311302112102,7sleep30-21swapper/307:07:183
63652700,1sleep20-21swapper/212:29:352
279602670,0sleep00-21swapper/011:15:180
169172670,0sleep00-21swapper/010:51:590
28852640,0sleep30-21swapper/310:45:223
73372630,1sleep27339-21unixbench_singl09:55:262
32192610,1sleep33222-21kthreadcore11:20:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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