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2026-05-23 - 22:20
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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 rack3slot0.osadl.org (updated Sat May 23, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101802970,2sleep43180999cyclictest12:25:534
101802970,2sleep43180999cyclictest12:25:534
194292810,0sleep70-21swapper/710:14:217
84672760,1sleep23179099cyclictest10:02:472
76682710,1sleep773-21ksoftirqd/709:37:057
118432580,0sleep20-21swapper/211:05:182
144202500,0sleep10-21swapper/111:36:411
3160424926,8sleep30-21swapper/307:08:243
293152490,1sleep229313-21bash09:36:282
128682490,1sleep212867-21bash11:34:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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