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2025-11-18 - 18:47
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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 rack0slot4.osadl.org (updated Tue Nov 18, 2025 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9415292362318,16sleep140-21swapper/1419:06:496
9415752359315,14sleep110-21swapper/1119:07:183
9414802359317,14sleep30-21swapper/319:06:219
9417152356348,5sleep100-21swapper/1019:09:102
9416402356314,14sleep120-21swapper/1219:08:064
9417062355313,34sleep20-21swapper/219:09:028
9417312354310,14sleep60-21swapper/619:09:2212
9415312353310,34sleep150-21swapper/1519:06:507
9417352351338,8sleep70-21swapper/719:09:2313
9415082351308,15sleep10-21swapper/119:06:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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