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2025-11-13 - 17:49
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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 20 highest latencies:
System rackaslot0.osadl.org (updated Thu Nov 13, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156312640,1sleep31505-21nfsd22:41:063
197632580,0sleep319751-21sshd22:26:193
111142540,0sleep30-21swapper/321:50:413
288182530,0sleep30-21swapper/322:46:223
359025229,19sleep20-21swapper/219:09:282
334125229,19sleep30-21swapper/319:07:403
318502520,0sleep00-21swapper/021:13:090
311525225,23sleep10-21swapper/119:06:021
284662520,0sleep128465-21bash23:16:571
194672520,0sleep30-21swapper/319:35:233
231182510,0sleep20-21swapper/222:03:392
322725027,19sleep00-21swapper/019:06:490
88532490,0sleep00-21swapper/022:47:520
62912490,0sleep10-21swapper/121:57:451
318492490,0sleep11722-21runrttasks22:00:421
212332490,1sleep321230-21bash21:59:353
58042480,0sleep20-21swapper/221:35:392
326142480,1sleep032618-21switchtime21:00:230
292732480,0sleep329272-21id21:20:143
208932460,1sleep11722-21runrttasks21:11:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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