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2026-01-09 - 15:33
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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 rackfslot4.osadl.org (updated Fri Jan 09, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2653823200,6sleep223740-21kworker/u8:307:40:352
2250023070,2sleep10-21swapper/111:27:561
3083723050,1sleep127564-21kworker/u8:211:45:291
3086123010,7sleep215905-21cyclictest11:45:312
2585723000,1sleep119869-21kworker/u8:811:35:201
2585723000,1sleep119869-21kworker/u8:811:35:201
580722960,1sleep22923-21kworker/u8:608:15:372
580722960,1sleep22923-21kworker/u8:608:15:372
1641022950,1sleep114974-21kworker/u8:510:05:281
3014022940,2sleep10-21swapper/109:25:161
1511322940,2sleep10-21swapper/111:10:471
515622930,1sleep23648-21kworker/u8:1309:40:232
1701822910,2sleep116993-21ssh12:25:371
1904022900,1sleep131425-21kworker/u8:410:10:381
2623822870,2sleep10-21swapper/107:40:211
311222830,1sleep215402-21kworker/u8:111:55:352
2157822830,1sleep225-21ksoftirqd/210:15:512
2158322820,2sleep10-21swapper/107:25:291
594022810,1sleep23821-21kworker/u8:412:01:152
594022810,1sleep23821-21kworker/u8:412:01:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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