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2026-05-10 - 18:58
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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 rackbslot6.osadl.org (updated Sun May 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165321600,5sleep21386399cyclictest13:45:292
1876821550,3sleep11385399cyclictest13:29:021
189721470,2sleep30-21swapper/310:58:033
1074321470,3sleep31386899cyclictest13:21:573
1068911040,4ptp4l401ktimersoftd/308:28:333
106891750,16ptp4l27364-21kworker/3:212:08:213
23432690,4sleep1241ktimersoftd/113:12:511
158392690,2sleep30-21swapper/311:47:343
106891670,1ptp4l401ktimersoftd/310:53:053
106891670,1ptp4l401ktimersoftd/310:53:053
136372664,10sleep00-21swapper/008:31:110
219972620,1sleep30-21swapper/312:27:253
136542624,10sleep20-21swapper/208:31:252
106891620,9ptp4l401ktimersoftd/309:12:463
106891600,1ptp4l401ktimersoftd/310:34:573
106891580,1ptp4l401ktimersoftd/312:52:583
250442570,2sleep00-21swapper/013:02:510
39542560,2sleep10-21swapper/112:42:081
39542560,2sleep10-21swapper/112:42:081
106891520,10ptp4l401ktimersoftd/312:28:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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