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2026-09-05 - 09:44
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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 rackfslot7.osadl.org (updated Sat Sep 05, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
378200799642,19cyclictest0-21swapper/723:10:157
3782003995637,19cyclictest691ktimers/523:10:165
3782007995310,19cyclictest0-21swapper/719:30:147
3782003995214,38cyclictest0-21swapper/500:00:155
3782003995214,38cyclictest0-21swapper/500:00:145
3782003995214,19cyclictest0-21swapper/500:25:155
3782001995214,38cyclictest0-21swapper/323:40:163
3782007995131,19cyclictest101550irq/39-eno2-TxRx-022:50:147
3782007995113,19cyclictest0-21swapper/720:40:157
3782001995114,18cyclictest0-21swapper/322:45:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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