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2026-04-04 - 17:49
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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 Sat Apr 04, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
393215999183,5cyclictest418835-21kworker/u4:4+events_unbound09:25:431
393215998649,34cyclictest0-21swapper/111:20:241
393214998451,19cyclictest53-21kswapd012:30:120
393214998167,9cyclictest470101-21kworker/u4:9+events_unbound10:05:490
393214998167,9cyclictest470101-21kworker/u4:9+events_unbound10:05:480
393214998037,12cyclictest398583-21apt-get07:30:120
393214997936,13cyclictest554992-21apt-get11:40:120
393214997936,13cyclictest554992-21apt-get11:40:110
39321599775,16cyclictest542813-21ssh11:25:321
393215997642,7cyclictest556609-21sshd11:41:071
393215997642,7cyclictest556609-21sshd11:41:071
393214997631,22cyclictest512598-21ntpq10:50:330
393215997468,4cyclictest398381-21kworker/u4:12+events_unbound07:55:011
393215997352,13cyclictest528767-21modprobe11:09:591
393214997255,15cyclictest565684-21kworker/u4:2+xprtiod11:55:110
393215997060,7cyclictest418836-21kworker/u4:5+events_unbound09:15:401
393214997033,12cyclictest423510-21ntpq09:05:240
393214997029,21cyclictest571964-21apt-get12:00:050
393214997026,22cyclictest406783-21awk08:00:240
393215996957,9cyclictest412443-21kworker/u4:9+events_unbound08:30:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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