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2026-04-07 - 10:49
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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 Tue Apr 07, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57372890,0sleep30-21swapper/322:59:133
240522860,1sleep124047-21bash00:15:311
220762850,0sleep222077-21sshd23:23:372
240142670,0sleep20-21swapper/222:09:122
241572630,2sleep00-21swapper/021:49:070
138152630,0sleep30-21swapper/323:45:493
2672526124,19sleep30-21swapper/319:06:253
267012570,0sleep10-21swapper/121:17:471
247792570,0sleep30-21swapper/323:12:193
24222570,1sleep3381ktimersoftd/300:36:453
232872570,0sleep339-21ksoftirqd/323:58:153
289832550,0sleep20-21swapper/221:12:152
2726625524,27sleep00-21swapper/019:09:060
45342540,1sleep14529-21sshd23:56:331
203492540,0sleep020343-21bash23:37:480
287362530,0sleep30-21swapper/321:55:153
206392530,2sleep22770599cyclictest22:49:032
33292520,1sleep21734-21runrttasks00:10:482
246752520,0sleep10-21swapper/100:06:571
203272520,1sleep020325-21bash23:17:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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