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2026-04-26 - 20:33
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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 10 highest latencies:
System rack5slot0.osadl.org (updated Sun Apr 26, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1670221250,2sleep02371499cyclictest10:21:460
913321210,1sleep19135-21id10:20:561
2308829731,46sleep30-21swapper/307:05:343
2313329433,43sleep10-21swapper/107:06:071
196342890,1sleep019635-21sshd11:07:350
176292870,2sleep00-21swapper/010:25:200
297412860,2sleep129738-21sshd11:31:011
76712840,2sleep37670-21bash09:37:013
282522840,1sleep228255-21bash12:35:252
89722830,0sleep041ktimersoftd/010:45:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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