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2025-11-22 - 23:23
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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 rack3slot0.osadl.org (updated Sat Nov 22, 2025 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230412570,7sleep233-21ksoftirqd/210:02:152
5592480,0sleep20-21swapper/209:05:132
265132480,0sleep00-21swapper/010:48:580
163132470,0sleep00-21swapper/011:38:240
2547224525,16sleep10-21swapper/106:50:041
50632440,0sleep40-21swapper/411:36:364
43012440,0sleep00-21swapper/008:09:220
262902440,1sleep125-21ksoftirqd/109:14:491
88852420,0sleep10-21swapper/112:16:131
309582420,0sleep00-21swapper/010:54:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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