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2026-05-08 - 22:14
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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 May 08, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110372960,1sleep311017-21sshd12:33:043
130152900,0sleep00-21swapper/012:16:140
321826224,19sleep30-21swapper/307:08:133
313726024,18sleep20-21swapper/207:07:482
284162600,2sleep2384799cyclictest11:29:372
187852600,0sleep30-21swapper/310:52:033
172052600,1sleep017204-21sshd10:43:320
92052590,0sleep00-21swapper/012:10:170
307732590,1sleep330772-21sshd10:13:413
168812590,1sleep216879-21sshd09:21:402
77862580,1sleep37777-21sshd09:35:033
170582580,0sleep117057-21bash11:39:571
106482580,0sleep10-21swapper/112:01:571
96662570,2sleep1384699cyclictest10:59:471
45092570,8sleep1201ktimersoftd/111:50:111
312242560,1sleep231223-21sshd10:41:532
188662560,0sleep337-21rcuc/312:36:323
135552560,0sleep013472-21sshd10:00:490
87062550,1sleep31734-21runrttasks12:21:303
47652550,0sleep34767-21sshd10:48:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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