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2025-11-25 - 02:55
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot2.osadl.org (updated Tue Nov 25, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36682210194,11sleep10-21swapper/119:08:551
35242193177,12sleep30-21swapper/319:07:063
37092187170,12sleep00-21swapper/019:09:280
15292163144,14sleep20-21swapper/219:05:072
103122490,0sleep10-21swapper/122:35:211
95902430,0sleep10-21swapper/119:20:001
26422420,0sleep30-21swapper/322:31:473
145252420,0sleep10-21swapper/123:59:521
31332410,0sleep10-21swapper/100:10:131
259282410,0sleep30-21swapper/321:38:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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