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2026-05-12 - 20:43
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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 rack3slot6.osadl.org (updated Tue May 12, 2026 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
925829624,26sleep00-21swapper/007:05:390
306052950,6chrt30602-21aten2.4-expect12:35:171
92802900,7chrt0-21swapper/110:05:231
9843998873,11cyclictest14-21ksoftirqd/011:30:370
9843998855,18cyclictest0-21swapper/010:25:130
9843998649,21cyclictest14185-21apt-get11:50:130
9843998451,19cyclictest10707-21apt-get11:40:240
938628422,16sleep10-21swapper/107:07:031
9843998344,24cyclictest10655-21apt-get10:10:150
9843998249,23cyclictest17433-21apt-get07:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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