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2026-08-29 - 15:25
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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 Sat Aug 29, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1374621470,3sleep3126699cyclictest09:24:013
1640221290,1sleep016398-21sshd10:04:220
3056021270,1sleep130561-21sshd11:11:591
1927721050,2sleep20-21swapper/209:53:102
1547221040,0sleep00-21swapper/011:57:590
2211321030,2sleep20-21swapper/209:41:392
1163921030,3sleep20-21swapper/209:11:502
218512970,1sleep0422-21jbd2/dm-0-809:56:160
302682950,0sleep00-21swapper/012:16:390
114692950,1sleep041ktimersoftd/010:23:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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