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2026-05-16 - 17:37
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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 Sat May 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2567421620,3sleep01881299cyclictest12:27:220
956621530,4sleep01881299cyclictest13:51:130
1068911430,4ptp4l401ktimersoftd/308:33:583
66212700,4sleep01881299cyclictest11:36:030
181952660,1sleep30-21swapper/311:46:223
18827996115,22cyclictest24514-21sh10:47:092
1881699611,28cyclictest22121-21/usr/sbin/munin10:46:101
1881699610,31cyclictest26347-21ssh11:21:391
1881699610,25cyclictest7056-21ssh13:16:001
139712610,2sleep00-21swapper/012:16:100
18836996047,6cyclictest41-21ksoftirqd/309:21:033
1881699581,24cyclictest11728-21diskmemload11:07:361
1881699580,33cyclictest16625-21sh13:57:581
106891580,1ptp4l401ktimersoftd/313:34:383
18836995745,6cyclictest41-21ksoftirqd/310:06:023
106891570,1ptp4l401ktimersoftd/312:26:423
318572560,5sleep11881699cyclictest11:27:371
18836995646,5cyclictest41-21ksoftirqd/312:31:063
18836995646,5cyclictest41-21ksoftirqd/312:31:063
186112554,39sleep00-21swapper/008:34:370
18836995446,4cyclictest41-21ksoftirqd/310:40:553
18836995243,3cyclictest41-21ksoftirqd/308:46:013
1881699520,26cyclictest15459-21ssh11:44:531
106891520,1ptp4l401ktimersoftd/313:04:503
106891520,1ptp4l401ktimersoftd/311:14:493
1881699511,23cyclictest4983-21ssh12:40:411
1881699500,26cyclictest18663-21/usr/sbin/munin14:01:141
18836994939,5cyclictest41-21ksoftirqd/313:21:063
1881699480,33cyclictest24894-21ssh13:33:141
106891480,1ptp4l401ktimersoftd/311:00:073
106891480,1ptp4l401ktimersoftd/311:00:073
106891460,2ptp4l31948-21kworker/3:212:01:553
18836994521,4cyclictest41-21ksoftirqd/313:46:133
18836994520,4cyclictest41-21ksoftirqd/311:56:113
18836994414,8cyclictest41-21ksoftirqd/310:26:093
1881699440,23cyclictest115182sleep112:13:181
106891440,1ptp4l401ktimersoftd/311:31:353
1883699436,4cyclictest41-21ksoftirqd/313:06:103
18836994315,19cyclictest41-21ksoftirqd/310:51:063
1881699430,27cyclictest2969-21awk13:11:121
18836994236,3cyclictest41-21ksoftirqd/311:20:563
18836994215,9cyclictest41-21ksoftirqd/311:01:213
18836994212,8cyclictest41-21ksoftirqd/312:11:193
18836994211,8cyclictest41-21ksoftirqd/312:36:223
1881699421,25cyclictest25863-21ssh11:55:521
1881699420,25cyclictest11728-21diskmemload13:21:541
1881699420,21cyclictest0-21swapper/110:59:171
1881699420,21cyclictest0-21swapper/110:59:171
1881699420,21cyclictest0-21swapper/110:51:081
18836994131,5cyclictest41-21ksoftirqd/309:26:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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