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2026-04-17 - 23:46
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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 Fri Apr 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2209021630,5sleep21758999cyclictest11:03:332
2259721450,3sleep11758299cyclictest13:49:021
1068911000,3ptp4l401ktimersoftd/308:17:153
106891870,1ptp4l401ktimersoftd/312:51:433
106891820,1ptp4l401ktimersoftd/312:16:453
106891790,1ptp4l401ktimersoftd/312:33:473
298212730,17sleep125-21ksoftirqd/112:15:591
106891700,1ptp4l401ktimersoftd/311:05:113
106891700,1ptp4l401ktimersoftd/309:11:023
194272690,2sleep20-21swapper/208:20:142
143291690,4getstats1759599cyclictest10:34:433
17595996856,6cyclictest41-21ksoftirqd/311:25:013
251972650,3sleep11758299cyclictest11:05:291
102962650,4sleep11758299cyclictest09:10:031
174282644,9sleep00-21swapper/008:19:040
106891630,1ptp4l401ktimersoftd/311:47:543
51272610,4sleep21758999cyclictest11:19:432
106891610,1ptp4l401ktimersoftd/311:02:513
58012600,4sleep341-21ksoftirqd/312:58:533
106891590,1ptp4l401ktimersoftd/310:47:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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