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2026-08-19 - 21:26
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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 Wed Aug 19, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26435069910680,24cyclictest53-21kswapd012:30:120
26435069910495,7cyclictest2841781-21kworker/u4:7+events_unbound12:23:580
26435089910390,9cyclictest2710774-21apt-get09:50:121
2643506999238,51cyclictest25650irq/23-42890000.ethernet09:50:130
2643506998072,6cyclictest2788407-21kworker/u4:8+events_unbound11:23:460
2643506997469,3cyclictest2819268-21kworker/u4:8+events_unbound12:13:570
2643506997363,8cyclictest2726658-21kworker/u4:3+events_unbound10:08:370
2643506997257,10cyclictest2643504-21cyclictest12:09:420
2643508996962,5cyclictest2854695-21kworker/u4:2+events_unbound12:39:011
2643506996961,6cyclictest2699396-21kworker/u4:13+events_unbound09:38:350
2643506996758,6cyclictest2681747-21kworker/u4:6+events_unbound09:18:320
2643506996733,28cyclictest25650irq/23-42890000.ethernet07:40:120
2643506996659,6cyclictest2797406-21kworker/u4:10+events_unbound11:28:470
2643506996553,8cyclictest2825959-21apt-get12:00:170
2643506996355,6cyclictest2674295-21kworker/u4:4+events_unbound09:58:370
2643508996254,6cyclictest2674295-21kworker/u4:4+events_unbound09:13:311
2643508995940,5cyclictest171rcu_preempt09:24:591
2643506995841,11cyclictest2667940-21modprobe08:44:590
2643506995835,21cyclictest2651304-21latency_hist07:40:020
2643506995750,5cyclictest2655129-21kworker/u4:16+events_unbound08:18:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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