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2026-04-03 - 22:19
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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 Fri Apr 03, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142321070,0sleep21382-21sshd12:19:092
86332870,0sleep20-21swapper/210:53:472
170512750,15sleep3115650irq/25-eth011:14:353
158362680,1sleep31596-21sshd09:17:163
144742620,0sleep228-21rcuc/209:45:372
299692600,1sleep20-21swapper/212:27:222
119032580,1sleep10-21swapper/110:14:031
87322570,0sleep30-21swapper/309:22:213
23412570,1sleep02338-21sshd10:10:180
231362570,0sleep30-21swapper/312:38:163
242732560,1sleep224262-21sshd10:00:472
242732560,1sleep224262-21sshd10:00:472
108142560,1sleep20-21swapper/210:59:442
5912550,1sleep337-21rcuc/311:35:553
323622550,1sleep332343-21sshd10:21:313
212002550,0sleep2291ktimersoftd/209:20:322
3822540,2sleep00-21swapper/012:21:520
326212540,1sleep132619-21bash11:33:041
170732540,0sleep117058-21sshd11:37:251
44912530,0sleep10-21swapper/110:50:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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