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2026-03-18 - 15:18
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Wed Mar 18, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502680,0irq/46-4a1000003189-1kworker/u3:007:01:440
6181999554,0cyclictest0-21swapper11:02:280
7350920,0irq/45-4a1000008900-21runrttasks08:46:570
6181999258,0cyclictest0-21swapper11:52:330
6181999158,0cyclictest0-21swapper10:36:540
148922910,0sleep014862-1kworker/u3:007:28:220
7450900,0irq/46-4a1000007428-21irqstats10:17:110
7450900,0irq/46-4a10000019452-1kworker/u3:111:01:010
7350900,0irq/45-4a10000025922-21sed11:11:530
6181999057,0cyclictest0-21swapper10:47:000
6181999057,0cyclictest0-21swapper07:57:140
6181999056,0cyclictest0-21swapper12:12:280
6181999055,0cyclictest0-21swapper10:42:260
7450890,0irq/46-4a10000032713-21wc09:56:500
7450890,0irq/46-4a10000015280-1kworker/u3:109:08:140
6181998967,0cyclictest0-21swapper08:37:070
6181998958,0cyclictest0-21swapper11:42:160
6181998956,0cyclictest0-21swapper10:06:500
7450880,0irq/46-4a10000029758-21awk09:47:230
7450880,0irq/46-4a10000028618-1kworker/u3:009:44:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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