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2026-06-13 - 05:20
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot2.osadl.org (updated Sat Jun 13, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81242208192,11sleep10-21swapper/119:09:481
81032196178,13sleep00-21swapper/019:09:310
78232195179,12sleep30-21swapper/319:05:573
59162151134,13sleep20-21swapper/219:05:072
7642540,0sleep30-21swapper/323:45:563
86702440,0sleep28672-21unixbench-2d22:30:182
19792110,0sleep10-21swapper/120:00:111
9599290,1sleep30-21swapper/321:43:553
22055280,0sleep20-21swapper/221:18:242
83489963,2cyclictest32059-21ssh23:30:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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