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2025-12-05 - 11:12
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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 rack0slot0.osadl.org (updated Fri Dec 05, 2025 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
554221420,0sleep20-21swapper/223:44:042
2052321100,1sleep70-21swapper/719:06:207
1799521090,0sleep50-21swapper/521:26:155
267892890,1sleep10-21swapper/122:54:101
30462830,0sleep50-21swapper/522:03:095
283432780,0sleep60-21swapper/623:49:376
197722780,1sleep10-21swapper/121:20:101
197722780,1sleep10-21swapper/121:20:101
168512780,0sleep40-21swapper/422:49:564
325822770,0sleep00-21swapper/022:38:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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