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2026-08-17 - 08:55
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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 Mon Aug 17, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35121679910095,4cyclictest3528906-21kworker/u4:0+events_unbound20:25:511
3512167999789,6cyclictest3514665-21kworker/u4:11+events_unbound19:40:441
3512167999689,5cyclictest3541700-21kworker/u4:1+events_unbound21:06:001
3512167999587,6cyclictest3530189-21kworker/u4:4+events_unbound20:30:521
3512167998881,5cyclictest3514681-21kworker/u4:15+events_unbound20:20:511
3512167998670,11cyclictest3701814-21kworker/u4:6+xprtiod00:10:091
3512167998171,8cyclictest3652757-21kworker/u4:1+events_unbound23:16:251
3512166997758,14cyclictest53-21kswapd000:05:110
351216799721,55cyclictest3584225-21ssh21:55:301
3512166997162,6cyclictest3661867-21kworker/u4:0+events_unbound23:31:290
3512166996562,2cyclictest3539134-21kworker/u4:9+events_unbound21:56:110
3512166996560,3cyclictest3626212-21kworker/u4:11+events_unbound23:06:250
3512167996450,5cyclictest3723727-21kworker/u4:8+events_unbound00:35:041
3512167996450,5cyclictest3723727-21kworker/u4:8+events_unbound00:35:041
3512166996459,3cyclictest3550404-21kworker/u4:6+events_unbound21:46:060
3512166996435,22cyclictest3532950-21apt-get20:30:130
3512166996418,9cyclictest3722312-21ntpq00:30:280
3512166996418,9cyclictest3593212-21ntpq22:05:330
3512167996356,5cyclictest3518694-21kworker/u4:14+events_unbound19:35:021
3512166996247,12cyclictest3619561-21fschecks_count22:35:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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