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2025-06-28 - 22:52
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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 Sat Jun 28, 2025 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283222900,0sleep00-21swapper/012:17:540
280202880,0sleep21191399cyclictest11:14:012
237642650,1sleep30-21swapper/309:23:503
253142640,0sleep01722-21runrttasks11:39:110
244542600,0sleep30-21swapper/311:46:273
1159226023,19sleep10-21swapper/107:09:151
98832590,2sleep30-21swapper/307:05:153
256732590,0sleep14589-21diskmemload12:17:391
186502590,0sleep10-21swapper/109:41:301
267462560,5sleep03-21ksoftirqd/012:26:350
61792550,0sleep30-21swapper/312:06:593
235012550,0sleep20-21swapper/212:11:302
189572540,1sleep00-21swapper/012:02:150
168312540,0sleep316828-21sshd11:59:093
284522530,0sleep228449-21bash09:16:402
115362530,0sleep30-21swapper/309:29:463
174342510,1sleep317418-21sshd09:37:493
174342510,1sleep317418-21sshd09:37:483
105692510,0sleep110556-21sshd10:41:031
27202500,1sleep22721-21bash09:25:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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