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2026-03-28 - 04:00
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Sat Mar 28, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2279199443726,0cyclictest14880-21idleruntime-cro23:34:000
227919934903443,0cyclictest25819-21cat00:09:050
22791993421323,0cyclictest0-21swapper23:04:440
22791993194887,0cyclictest0-21swapper00:25:180
22791993117256,0cyclictest0-21swapper00:29:190
227919929691093,0cyclictest8419-21mailstats23:14:170
22791992876794,0cyclictest0-21swapper23:09:550
22791992845708,0cyclictest9-21ksoftirqd/021:04:110
22791992611711,0cyclictest9-21ksoftirqd/019:04:100
22791992499996,0cyclictest5249-21cron23:04:000
22791992391276,0cyclictest27255-1kworker/0:0H21:29:110
22791992384306,0cyclictest27255-1kworker/0:0H20:19:100
22791992337266,0cyclictest27255-1kworker/0:0H21:49:100
22791992316262,0cyclictest27255-1kworker/0:0H22:39:100
22791992304615,0cyclictest19157-21latency_hist20:29:100
22791992296283,0cyclictest27255-1kworker/0:0H23:39:100
22791992289247,0cyclictest27255-1kworker/0:0H20:09:100
22791992269242,0cyclictest27255-1kworker/0:0H21:59:100
22791992266329,0cyclictest27255-1kworker/0:0H22:29:100
22791992261479,0cyclictest9-21ksoftirqd/019:39:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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