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2026-05-23 - 00:34
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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 Fri May 22, 2026 18:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
411820099119109,7cyclictest4118131-21kworker/u4:4+events_unbound17:06:001
4118199999889,7cyclictest268099-21kworker/u4:7+events_unbound18:06:110
4118200999687,7cyclictest4120698-21kworker/u4:13+events_unbound17:26:041
4118200999478,6cyclictest4119427-21kworker/u4:9+events_unbound17:11:001
4118200998577,6cyclictest4124093-21kworker/u4:6+events_unbound17:46:071
4118199998274,5cyclictest4124093-21kworker/u4:6+events_unbound17:36:040
4118200997568,5cyclictest67150-21kworker/u4:3+events_unbound17:51:081
4118199997023,39cyclictest284679-21apt-get18:35:100
4118199996961,5cyclictest4120697-21kworker/u4:12+events_unbound17:15:010
4118199996557,6cyclictest66804-21kworker/u4:1+events_unbound18:11:100
4118200996457,5cyclictest68548-21kworker/u4:8+events_unbound18:16:111
4118200996051,5cyclictest280816-21kworker/u4:13+events_unbound18:26:131
4118199996052,5cyclictest4107110-21kworker/u4:11+events_unbound17:21:010
4118200995947,10cyclictest277631-21grep18:08:371
4118199995850,5cyclictest67150-21kworker/u4:3+events_unbound18:00:040
4118200995749,6cyclictest68548-21kworker/u4:8+events_unbound18:31:131
4118200995745,8cyclictest238949-21sort18:02:451
4118200995649,5cyclictest4123801-21kworker/u4:5+events_unbound17:40:031
4118199995637,17cyclictest65031-21sort17:41:280
4118199995527,19cyclictest225278-21spawn18:00:010
411819999532,14cyclictest66871-21fstime17:50:110
4118200995212,31cyclictest0-21swapper/117:55:171
4118199995241,8cyclictest284716-21apt-config18:35:020
4118200995043,5cyclictest233725-21kworker/u4:2+events_unbound18:11:001
4118199995041,5cyclictest38622-21pwd17:33:400
4118199995040,8cyclictest4123801-21kworker/u4:5+events_unbound17:29:010
4118200994842,4cyclictest4123800-21kworker/u4:4+events_unbound17:35:011
4118200994739,6cyclictest64404-21tee17:41:101
4118199994638,5cyclictest282503-21df_abs18:25:140
4118200994540,4cyclictest4120697-21kworker/u4:12+events_unbound17:20:591
4118199994537,6cyclictest279757-21aten2__18:15:160
4118199994536,6cyclictest4119554-21latency_hist17:10:010
4118199994436,5cyclictest4123800-21kworker/u4:4-rpciod17:48:240
4118200994336,5cyclictest4121681-21proc_pri17:15:361
4118200994134,5cyclictest282106-21systemd18:21:131
4118200994132,7cyclictest285773-21threads18:35:431
4118200994132,6cyclictest4118307-21latency_hist17:05:011
4118199994131,7cyclictest0-21swapper/018:20:300
4118199993627,5cyclictest4118131-21kworker/u4:4-rpciod17:05:020
4118199993325,6cyclictest0-21swapper/017:15:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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