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2026-05-19 - 23:29
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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 19, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2522608999836,36cyclictest0-21swapper/009:40:190
2522608999674,15cyclictest2687492-21kworker/u4:0-rpciod12:05:060
2522609999466,22cyclictest2733071-21sh12:35:141
2522609999384,7cyclictest2669743-21kworker/u4:3+events_unbound11:39:141
2522609998981,6cyclictest2600052-21kworker/u4:10+events_unbound10:09:061
2522609998881,5cyclictest2696368-21kworker/u4:4+events_unbound11:59:161
2522609998880,5cyclictest2595579-21kworker/u4:7+events_unbound09:59:051
2522608998546,26cyclictest53-21kswapd009:35:070
2522608998535,45cyclictest0-21swapper/008:55:110
2522608998476,5cyclictest2544368-21kworker/u4:11+events_unbound08:50:020
2522609998275,5cyclictest2544368-21kworker/u4:11+events_unbound08:48:551
2522609998073,5cyclictest2530217-21kworker/u4:10+events_unbound08:18:531
252260899793,24cyclictest2548244-21apt-get08:50:090
2522608997750,23cyclictest53-21kswapd011:35:090
2522609997668,6cyclictest2608922-21kworker/u4:6+events_unbound10:14:061
2522609997366,5cyclictest2674192-21kworker/u4:8+events_unbound11:49:151
2522608997329,29cyclictest2554267-21fschecks_time09:10:250
2522609997265,5cyclictest2709050-21kworker/u4:2+events_unbound12:17:001
2522609997263,7cyclictest2573898-21kworker/u4:0+events_unbound09:44:021
2522609997253,6cyclictest2709051-21kworker/u4:3+events_unbound12:09:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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