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2026-06-03 - 04:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack1slot8.osadl.org (updated Wed Jun 03, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2772799844780,51cyclictest0-21swapper/019:12:470
2772899778716,48cyclictest0-21swapper/119:12:471
275902173154,13sleep10-21swapper/119:09:001
2286991200,6rtkit-daemon2285-21rtkit-daemon19:55:590
2286991140,4rtkit-daemon2285-21rtkit-daemon20:46:501
2286991130,4rtkit-daemon2285-21rtkit-daemon20:59:051
2286991100,5rtkit-daemon2285-21rtkit-daemon21:27:361
2286991100,4rtkit-daemon2285-21rtkit-daemon23:41:031
2286991090,4rtkit-daemon2285-21rtkit-daemon22:27:471
2286991080,4rtkit-daemon2285-21rtkit-daemon23:00:071
2286991080,4rtkit-daemon2285-21rtkit-daemon21:23:301
2286991080,4rtkit-daemon2285-21rtkit-daemon19:58:131
2286991080,4rtkit-daemon2285-21rtkit-daemon19:38:031
2286991070,8rtkit-daemon2285-21rtkit-daemon22:17:311
2286991070,4rtkit-daemon2285-21rtkit-daemon23:09:021
2286991070,4rtkit-daemon2285-21rtkit-daemon00:18:241
2286991050,4rtkit-daemon2285-21rtkit-daemon22:30:021
2286991050,4rtkit-daemon2285-21rtkit-daemon21:42:311
2286991050,4rtkit-daemon2285-21rtkit-daemon20:36:241
2286991050,4rtkit-daemon2285-21rtkit-daemon20:19:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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