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2026-07-27 - 08:20
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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 Mon Jul 27, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246772968947,13sleep10-21swapper/119:06:011
2511099916828,77cyclictest0-21swapper/019:40:200
2511199824727,81cyclictest4452-21strings19:40:201
242112516475,34sleep00-21swapper/019:05:210
2511199441403,27cyclictest25425-21cpu19:10:131
2267721370,4sleep122678-21sh21:43:551
2286991090,4rtkit-daemon2285-21rtkit-daemon21:47:431
251109910386,13cyclictest0-21swapper/020:17:000
251109910315,82cyclictest0-21swapper/019:50:590
25111998915,54cyclictest0-21swapper/100:25:591
25111998911,61cyclictest0-21swapper/120:44:591
228699890,4rtkit-daemon2285-21rtkit-daemon22:29:351
25111998816,57cyclictest0-21swapper/123:46:591
228699820,4rtkit-daemon2285-21rtkit-daemon23:58:221
228699790,4rtkit-daemon2285-21rtkit-daemon22:44:151
228699780,5rtkit-daemon2285-21rtkit-daemon21:11:540
25110997713,56cyclictest0-21swapper/022:57:000
228699770,4rtkit-daemon2285-21rtkit-daemon21:34:591
2511099767,48cyclictest0-21swapper/023:25:270
2511099763,7cyclictest9618-21runrttasks00:19:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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