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2026-07-10 - 14:03
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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 Fri Jul 10, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73505280,0irq/45-4a10000013880-21kworker/0:207:08:260
2052229012,0sleep020524-21irqstats10:19:460
19271999070,0cyclictest0-21swapper09:29:370
19271999058,0cyclictest0-21swapper10:54:560
19271998957,0cyclictest0-21swapper09:44:480
19271998955,0cyclictest0-21swapper09:25:030
19271998858,0cyclictest0-21swapper07:34:380
19271998857,0cyclictest0-21swapper08:14:280
19271998856,0cyclictest0-21swapper07:09:560
19271998855,0cyclictest0-21swapper11:34:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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