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2026-03-29 - 21:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack7slot8.osadl.org (updated Sun Mar 29, 2026 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16390221531,51sleep00-21swapper/019:09:070
165709916934,15cyclictest10250irq/56-4a10000022:38:180
16570991658,17cyclictest6574-21chrt20:35:420
165709916428,15cyclictest10250irq/56-4a10000023:03:200
165709916335,109cyclictest29288-21runrttasks22:02:080
165709915941,106cyclictest1276-21runrttasks19:11:040
16570991578,25cyclictest26049-21irqstats19:45:300
165709915737,105cyclictest10250irq/56-4a10000020:07:170
165709915729,18cyclictest754-21systemd-journal23:58:240
165709915639,105cyclictest30472-21runrttasks20:03:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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