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2026-08-20 - 21:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Thu Aug 20, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502690,0irq/46-4a10000027142-1kworker/u3:007:08:070
7350920,0irq/45-4a10000025149-1kworker/u3:111:45:300
28389999158,0cyclictest0-21swapper09:30:030
7350900,0irq/45-4a10000024248-21diskstats08:29:510
2950628915,0sleep029508-21fw_conntrack10:20:070
28389998967,0cyclictest0-21swapper08:49:460
28389998958,0cyclictest0-21swapper11:55:250
28389998958,0cyclictest0-21swapper07:35:140
28389998955,0cyclictest0-21swapper12:35:270
28389998955,0cyclictest0-21swapper12:29:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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