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2025-11-17 - 18:21
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Mon Nov 17, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3303516995148,2cyclictest3626550-21fwupd11:46:513
330351199321,11cyclictest0-21swapper/110:04:591
330351199320,29cyclictest3665674-21ssh12:20:041
3303516993027,2cyclictest0-21swapper/311:10:003
330351199301,27cyclictest3427526-21sed09:10:181
330351199301,26cyclictest0-21swapper/111:26:201
330351199300,28cyclictest3457975-21ssh09:35:071
330351699297,2cyclictest0-21swapper/307:25:183
330351499292,2cyclictest191rcu_preempt11:06:272
330351199291,26cyclictest3426449-21diskmemload10:55:391
330351199291,25cyclictest0-21swapper/107:20:131
330351199290,27cyclictest3451735-21ssh09:30:101
3303511992822,5cyclictest311ktimers/109:51:511
330351199281,26cyclictest0-21swapper/111:19:101
330351199281,25cyclictest0-21swapper/110:50:131
330351199281,25cyclictest0-21swapper/110:40:121
330351199281,24cyclictest0-21swapper/109:25:131
330351199280,26cyclictest3426449-21diskmemload11:40:191
330351199280,25cyclictest0-21swapper/112:00:141
3303508992823,4cyclictest0-21swapper/011:55:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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