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2026-05-16 - 01:34
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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 rack0slot0.osadl.org (updated Sat May 16, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2829821500,4sleep52175399cyclictest21:36:215
3070521160,0sleep50-21swapper/500:30:055
261122920,0sleep00-21swapper/021:12:110
226892860,1sleep322684-21sshd21:51:263
57692840,4sleep72176599cyclictest00:23:337
33252830,0sleep60-21swapper/623:50:396
84052820,0sleep60-21swapper/623:20:096
104792820,0sleep20-21swapper/221:49:082
78682800,1sleep50-21swapper/522:37:045
86722790,0sleep6671rcuc/621:52:246
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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