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2026-05-18 - 10:37
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Mon May 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1359921490,4sleep21943299cyclictest01:19:522
2224421380,2sleep01941999cyclictest23:17:130
106891910,3ptp4l401ktimersoftd/320:33:483
26852700,1sleep30-21swapper/301:08:133
313002660,2sleep01941999cyclictest00:00:050
186692660,5sleep233-21ksoftirqd/200:19:582
192772644,47sleep00-21swapper/020:36:060
287652630,1sleep30-21swapper/323:24:473
246592590,4sleep224663-21timerwakeupswit22:47:122
106891580,1ptp4l401ktimersoftd/323:43:393
106891570,1ptp4l401ktimersoftd/323:03:503
106891570,1ptp4l401ktimersoftd/323:03:503
106891570,1ptp4l401ktimersoftd/322:51:103
280232560,1sleep20-21swapper/222:51:532
106891550,1ptp4l401ktimersoftd/322:54:453
87762540,2sleep00-21swapper/023:04:400
87762540,2sleep00-21swapper/023:04:400
151072540,2sleep20-21swapper/200:48:002
151072540,2sleep20-21swapper/200:48:002
101572540,2sleep10-21swapper/121:21:591
106891520,1ptp4l401ktimersoftd/300:43:223
106891520,1ptp4l401ktimersoftd/300:43:223
191612514,36sleep10-21swapper/120:34:341
192072504,33sleep20-21swapper/220:35:122
106891500,0ptp4l401ktimersoftd/300:36:453
106891500,0ptp4l401ktimersoftd/300:36:453
106891490,2ptp4l2310-21kworker/3:201:22:113
118782480,2sleep10-21swapper/123:40:511
106891450,1ptp4l401ktimersoftd/323:13:003
106891430,1ptp4l401ktimersoftd/322:04:163
106891430,1ptp4l401ktimersoftd/321:04:513
106891410,1ptp4l401ktimersoftd/301:47:473
106891400,1ptp4l401ktimersoftd/323:09:293
106891400,1ptp4l401ktimersoftd/323:09:293
106891400,1ptp4l401ktimersoftd/300:36:313
304942390,2sleep30-21swapper/323:26:553
106891390,1ptp4l401ktimersoftd/323:32:103
106891390,1ptp4l401ktimersoftd/300:07:023
106891390,14ptp4l401ktimersoftd/321:51:403
106891390,0ptp4l401ktimersoftd/300:11:463
106891380,1ptp4l401ktimersoftd/323:38:573
106891380,1ptp4l401ktimersoftd/322:37:333
106891380,1ptp4l401ktimersoftd/302:02:243
106891380,1ptp4l401ktimersoftd/301:45:303
106891380,1ptp4l401ktimersoftd/301:16:483
106891380,1ptp4l401ktimersoftd/300:55:093
106891380,1ptp4l401ktimersoftd/300:51:233
106891380,1ptp4l401ktimersoftd/300:51:233
106891370,1ptp4l401ktimersoftd/323:56:023
106891370,1ptp4l401ktimersoftd/323:01:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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