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2026-05-15 - 04:24
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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 Fri May 15, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68245299125113,9cyclictest53-21kswapd022:00:080
68245299112101,7cyclictest692790-21kworker/u4:1+events_unbound20:52:370
6824529910771,32cyclictest0-21swapper/019:25:110
682452999890,5cyclictest773745-21kworker/u4:12+events_unbound22:22:490
682452998880,5cyclictest896587-21kworker/u4:11+events_unbound00:38:070
682453998767,15cyclictest871933-21apt-get00:10:081
682452998546,35cyclictest53-21kswapd000:10:070
682453998265,13cyclictest808673-21kworker/u4:10-rpciod23:05:221
682452998170,9cyclictest742915-21kworker/u4:14+events_unbound21:42:450
682452998073,5cyclictest724846-21kworker/u4:6+events_unbound21:22:390
682452997871,5cyclictest808673-21kworker/u4:10+events_unbound23:02:540
682452997770,5cyclictest682449-21cyclictest22:52:320
682452997664,9cyclictest682449-21cyclictest19:20:110
682452997366,5cyclictest720279-21kworker/u4:4+events_unbound21:17:380
682452997264,6cyclictest821998-21kworker/u4:8+events_unbound23:12:560
682452997254,6cyclictest848091-21kworker/u4:5+events_unbound23:43:010
682452997061,6cyclictest848089-21kworker/u4:1+events_unbound00:08:060
68245399693,52cyclictest855409-21ssh23:50:301
682452996859,6cyclictest671136-21kworker/u4:14+events_unbound19:30:020
682453996453,8cyclictest0-21swapper/100:05:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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