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2026-03-12 - 13:16
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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 Mar 12, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502800,0irq/46-4a1000005765-1kworker/u3:019:06:020
7622998356,0cyclictest0-21swapper21:02:000
7622998157,0cyclictest0-21swapper21:52:010
7622997754,0cyclictest0-21swapper21:12:000
7622997552,0cyclictest0-21swapper21:47:010
7622997551,0cyclictest0-21swapper20:36:580
7622997250,0cyclictest0-21swapper22:57:020
7622997148,0cyclictest14875-21runrttasks00:10:350
7450710,0irq/46-4a10000010651-21/usr/sbin/munin20:47:340
7622997054,0cyclictest20619-21/usr/sbin/munin00:27:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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