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2026-06-20 - 22:48
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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 rack5slot0.osadl.org (updated Sat Jun 20, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2554121270,4sleep1702099cyclictest09:30:131
1370921270,3sleep0701999cyclictest10:36:000
2357921250,6sleep10-21swapper/111:58:201
3173621220,0sleep331634-21sshd12:06:403
1907821180,3sleep1702099cyclictest12:27:491
651429933,46sleep30-21swapper/307:07:033
641329331,40sleep10-21swapper/107:05:461
168002920,2sleep016791-21sshd09:32:410
123732920,0sleep00-21swapper/012:04:280
191302910,2sleep20-21swapper/209:12:182
127902890,3sleep30-21swapper/312:30:323
280392880,1sleep00-21swapper/010:02:140
127952860,0sleep012793-21sshd11:31:300
230322850,3sleep2702199cyclictest10:15:222
49502840,4sleep3702299cyclictest11:23:243
26132840,4sleep10-21swapper/109:14:021
142172840,3sleep0701999cyclictest09:42:420
291682830,2sleep30-21swapper/309:13:253
214122830,2sleep20-21swapper/209:51:012
196142830,3sleep10-21swapper/110:47:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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