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2026-05-05 - 21:30
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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 rack2slot0.osadl.org (updated Tue May 05, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
64432940,0sleep10-21swapper/110:03:211
42232760,0sleep00-21swapper/012:39:370
322372590,0sleep20-21swapper/211:51:312
73842580,0sleep10-21swapper/112:28:411
57192540,0sleep00-21swapper/009:16:060
183382540,0sleep00-21swapper/011:07:320
69092530,1sleep16910-21bash09:12:181
280872530,0sleep00-21swapper/009:49:170
272262530,0sleep20-21swapper/209:10:472
10242530,0sleep30-21swapper/309:15:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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