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2026-05-17 - 15:16
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack0slot0.osadl.org (updated Sun May 17, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1317921090,1sleep013181-21bash09:51:030
235142760,0sleep50-21swapper/509:52:365
106962760,0sleep30-21swapper/312:24:043
226662730,0sleep40-21swapper/409:24:544
218532730,0sleep00-21swapper/011:20:220
80452720,0sleep70-21swapper/710:36:387
53592720,1sleep233-21ksoftirqd/210:31:362
311862720,1sleep60-21swapper/610:30:366
22632710,1sleep1231ktimersoftd/112:32:041
327552700,0sleep30-21swapper/310:07:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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