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2026-03-25 - 09:05
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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 Wed Mar 25, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2103821110,0sleep321037-21bash23:14:353
313852970,0sleep10-21swapper/100:05:051
180442950,2sleep21800199cyclictest23:05:332
169492870,0sleep01734-21runrttasks23:05:260
100702860,0sleep310056-21sshd23:54:223
77062820,0sleep37707-21sshd22:41:263
8412620,1sleep125197-21diskmemload23:15:341
227592620,0sleep222741-21sshd21:30:052
229102610,0sleep31734-21runrttasks23:35:063
206412600,0sleep10-21swapper/122:16:281
1761125924,18sleep10-21swapper/119:09:221
77942570,0sleep20-21swapper/223:42:222
75552570,0sleep10-21swapper/122:03:381
326482570,0sleep10-21swapper/121:16:211
76222560,0sleep225197-21diskmemload23:27:532
149552560,1sleep38-21rcu_preempt22:01:193
96032550,0sleep339-21ksoftirqd/322:32:563
289842550,2sleep228-21rcuc/222:34:432
230712550,1sleep323067-21sshd00:24:463
288382540,0sleep10-21swapper/122:49:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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