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2026-05-12 - 03:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot2.osadl.org (updated Tue May 12, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83375999114105,6cyclictest833756-21cyclictest19:35:120
8337599910799,6cyclictest1033387-21kworker/u4:1+events_unbound00:23:280
8337599910395,6cyclictest840103-21kworker/u4:3+events_unbound20:47:300
833760999791,4cyclictest998662-21kworker/u4:6+events_unbound23:43:241
833759999689,5cyclictest955053-21kworker/u4:2+events_unbound23:33:210
833759999689,5cyclictest856798-21kworker/u4:17+events_unbound20:37:290
83376099892,30cyclictest892553-21ssh21:40:391
833759998780,5cyclictest840105-21kworker/u4:7+events_unbound20:07:230
833759998670,9cyclictest953905-21sh22:50:410
833759998567,15cyclictest53-21kswapd021:40:110
833759998477,5cyclictest840103-21kworker/u4:3+events_unbound21:02:340
833760998276,4cyclictest880499-21kworker/u4:10+events_unbound21:27:431
833760998210,27cyclictest1066-21snmpd19:25:171
833759997870,6cyclictest933485-21kworker/u4:12+events_unbound22:43:090
833759997568,5cyclictest855529-21kworker/u4:11+events_unbound20:52:310
833760997467,5cyclictest842758-21kworker/u4:2+events_unbound20:27:271
833759997445,19cyclictest53-21kswapd022:00:080
833759997345,16cyclictest0-21swapper/021:50:230
833759996957,9cyclictest928411-21kworker/u4:3+xprtiod22:35:120
833759996957,9cyclictest928411-21kworker/u4:3+xprtiod22:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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