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2026-05-16 - 21:02
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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 100 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
18836994130,6cyclictest41-21ksoftirqd/308:56:023
18836994127,5cyclictest41-21ksoftirqd/309:05:483
18827994123,9cyclictest15366-21ssh12:51:072
1881699412,32cyclictest14329-21apt-get11:11:051
1881699411,32cyclictest23262-21apt-get12:26:061
1881699411,24cyclictest16158-21perl09:36:061
1881699411,23cyclictest0-21swapper/113:09:211
1881699410,26cyclictest20575-21ssh10:43:491
1881699410,24cyclictest25315-21apt-config09:55:511
1881699410,24cyclictest15909-21/usr/sbin/munin12:51:111
1883699409,8cyclictest41-21ksoftirqd/310:01:093
18836994028,3cyclictest41-21ksoftirqd/311:20:523
18836994017,4cyclictest41-21ksoftirqd/311:44:273
18836994016,4cyclictest41-21ksoftirqd/309:36:043
18836994015,4cyclictest41-21ksoftirqd/312:17:493
18836994012,8cyclictest41-21ksoftirqd/308:51:163
18836994011,8cyclictest41-21ksoftirqd/312:51:103
18836994010,7cyclictest41-21ksoftirqd/310:46:143
18836994010,7cyclictest41-21ksoftirqd/310:11:123
106891400,1ptp4l401ktimersoftd/313:00:333
1883699399,7cyclictest41-21ksoftirqd/312:21:103
18836993926,10cyclictest41-21ksoftirqd/309:31:073
18836993915,4cyclictest41-21ksoftirqd/313:41:063
1883699391,3cyclictest11728-21diskmemload13:56:073
18836993910,7cyclictest41-21ksoftirqd/312:41:123
18836993910,7cyclictest41-21ksoftirqd/308:40:493
1882799390,4cyclictest7037-21tune2fs11:36:072
1881699391,23cyclictest20826-21cat12:56:111
1881699391,19cyclictest0-21swapper/113:46:141
1881699390,2cyclictest0-21swapper/112:02:041
1881699390,24cyclictest20457-21acpi09:46:001
1881699390,22cyclictest8313-21cat10:26:121
106891390,2ptp4l401ktimersoftd/312:07:563
106891390,1ptp4l401ktimersoftd/311:09:583
1883699384,4cyclictest41-21ksoftirqd/310:36:133
18836993832,3cyclictest41-21ksoftirqd/314:05:553
18836993832,3cyclictest41-21ksoftirqd/313:36:063
18836993814,4cyclictest41-21ksoftirqd/313:16:013
18836993811,9cyclictest41-21ksoftirqd/311:26:243
1883699380,3cyclictest41-21ksoftirqd/311:55:533
1882799383,27cyclictest25053-21apt-get13:01:072
1882799382,30cyclictest0-21swapper/211:06:042
1882799382,29cyclictest0-21swapper/211:46:042
18827993810,25cyclictest23993-21cat11:20:532
18827993810,17cyclictest1055-21runrttasks09:33:062
1882799380,5cyclictest3875-21/usr/sbin/munin10:16:142
1881699383,26cyclictest19068-21apt-get08:36:001
1881699382,30cyclictest18140-21apt-get09:41:041
1881699382,29cyclictest6282-21apt-get09:16:031
1881699381,21cyclictest28090-21ptp4l-jitter08:51:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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