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2026-07-16 - 15:52
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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 Jul 16, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502010,0irq/45-4a1000003484-21kworker/0:207:05:050
8793999157,0cyclictest0-21swapper10:54:270
8793999057,0cyclictest0-21swapper12:29:390
8793999056,0cyclictest0-21swapper07:44:360
8793998957,0cyclictest0-21swapper11:44:220
8793998957,0cyclictest0-21swapper08:24:340
8793998856,0cyclictest0-21swapper12:13:590
8793998856,0cyclictest0-21swapper07:09:230
8793998855,0cyclictest0-21swapper09:09:380
8793998756,0cyclictest0-21swapper08:34:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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