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2025-12-04 - 00:11
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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 highest latencies:
System rack7slot2.osadl.org (updated Wed Dec 03, 2025 15:36:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91990099210193,11cyclictest928974-21kworker/u4:3+events_unbound15:06:041
91990099115108,5cyclictest927660-21kworker/u4:11+events_unbound15:16:071
9199009910699,5cyclictest927660-21kworker/u4:11+events_unbound15:01:111
919899999543,41cyclictest925987-21cat14:50:370
919900999486,6cyclictest922422-21kworker/u4:2+events_unbound14:51:021
919899998769,12cyclictest930358-21kworker/u4:8+events_unbound15:07:280
919899998531,41cyclictest0-21swapper/015:15:290
919900998469,6cyclictest921133-21kworker/u4:13+events_unbound14:36:091
919900998072,6cyclictest933065-21kworker/u4:16+events_unbound15:21:171
919900998072,6cyclictest919831-21kworker/u4:5+events_unbound14:41:111
919899997852,14cyclictest0-21swapper/014:30:000
919900997669,5cyclictest926291-21kworker/u4:5+events_unbound15:31:101
919900997366,5cyclictest913556-21kworker/u4:10+events_unbound14:30:011
919899996942,24cyclictest926971-21gltestperf14:55:240
91989999674,39cyclictest0-21swapper/015:05:010
919900996450,5cyclictest933065-21kworker/u4:16+events_unbound15:27:361
919900996357,5cyclictest923731-21kworker/u4:8+events_unbound14:46:121
91989999632,31cyclictest922867-21diskstats14:40:180
91989999631,35cyclictest924151-21diskstats14:45:260
919899996223,35cyclictest935720-21cron15:30:010
91989999612,52cyclictest921335-21apt-get14:35:200
91989999611,37cyclictest937000-21cron15:34:590
91989999611,37cyclictest930892-21grep15:10:200
91989999583,49cyclictest920047-21apt-get14:30:120
91989999581,34cyclictest934461-21munin-run15:25:000
919900995041,6cyclictest923730-21kworker/u4:6+events_unbound14:56:011
919900994539,4cyclictest931282-21ntpq15:10:361
919900994133,6cyclictest920006-21latency_hist14:30:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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