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2025-11-13 - 21:25
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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 rack3slot0.osadl.org (updated Thu Nov 13, 2025 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95802920,1sleep2331899cyclictest10:38:212
321352710,2sleep4332399cyclictest09:27:114
214272560,1sleep321420-21bash10:35:103
11882510,0sleep10-21swapper/111:22:571
102812510,1sleep610207-21sshd11:51:456
302224925,9sleep30-21swapper/306:52:413
63362460,0sleep70-21swapper/710:51:317
288912460,1sleep228889-21bash12:16:402
191332450,2sleep2331899cyclictest12:19:442
130852450,0sleep2321ktimersoftd/211:38:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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