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2025-12-11 - 21:08
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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 Thu Dec 11, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
850121000,1sleep28503-21bash11:00:162
850121000,1sleep28503-21bash11:00:152
2872021000,0sleep21183599cyclictest12:19:432
2779021000,0sleep027765-21sshd12:05:470
149662990,2sleep11182899cyclictest11:47:011
69862980,0sleep20-21swapper/212:36:002
39302800,0sleep20-21swapper/211:56:152
183212630,0sleep118315-21sshd10:54:271
86172600,0sleep00-21swapper/010:25:220
73392600,0sleep27338-21sshd10:04:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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