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2026-04-08 - 22:17
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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 Wed Apr 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146321820,2sleep01570699cyclictest13:23:210
2347621770,3sleep01570699cyclictest09:35:080
235821620,4sleep21571699cyclictest08:50:102
1185421450,4sleep01570699cyclictest09:10:110
1068911060,4ptp4l401ktimersoftd/308:11:233
106891730,1ptp4l401ktimersoftd/313:26:183
106891720,9ptp4l401ktimersoftd/310:24:073
106891700,1ptp4l401ktimersoftd/311:18:243
106891700,1ptp4l401ktimersoftd/311:14:123
106891670,1ptp4l401ktimersoftd/312:45:053
15723996653,7cyclictest41-21ksoftirqd/312:10:033
263232640,4sleep1231rcuc/111:04:581
106891640,1ptp4l401ktimersoftd/312:58:353
272802620,3sleep3391rcuc/308:35:053
64732610,2sleep00-21swapper/010:44:500
106891600,6ptp4l401ktimersoftd/310:01:583
156912590,2sleep215692-21sh10:54:032
106891590,10ptp4l401ktimersoftd/310:54:223
106891570,1ptp4l401ktimersoftd/311:41:393
199802540,2sleep00-21swapper/013:09:480
106891520,2ptp4l26757-21kworker/3:109:05:103
106891520,1ptp4l401ktimersoftd/311:35:033
32512510,2sleep30-21swapper/311:45:563
52442500,1sleep30-21swapper/312:54:533
106891500,2ptp4l18192-21kworker/3:113:10:493
106891490,1ptp4l401ktimersoftd/312:31:393
15716994823,9cyclictest33-21ksoftirqd/212:00:032
15716994810,7cyclictest33-21ksoftirqd/212:34:022
153092484,32sleep10-21swapper/108:11:021
15706994740,4cyclictest9-21ksoftirqd/012:30:050
106891470,1ptp4l401ktimersoftd/311:34:333
15716994623,9cyclictest33-21ksoftirqd/212:20:202
15716994620,9cyclictest33-21ksoftirqd/211:38:062
15716994510,5cyclictest33-21ksoftirqd/208:44:422
1571699449,5cyclictest33-21ksoftirqd/209:13:402
15716994411,5cyclictest33-21ksoftirqd/209:03:292
1571699436,7cyclictest33-21ksoftirqd/213:17:212
15716994310,6cyclictest33-21ksoftirqd/209:18:022
106891430,5ptp4l401ktimersoftd/311:53:293
106891430,1ptp4l401ktimersoftd/310:19:343
15716994221,10cyclictest33-21ksoftirqd/208:45:052
15716994221,10cyclictest33-21ksoftirqd/208:45:052
1571699421,6cyclictest321ktimersoftd/213:24:542
15706994235,4cyclictest9-21ksoftirqd/010:25:010
15716994120,10cyclictest33-21ksoftirqd/212:09:482
15706994134,4cyclictest9-21ksoftirqd/012:15:030
15706994134,4cyclictest9-21ksoftirqd/012:15:030
15706994134,4cyclictest9-21ksoftirqd/011:50:030
132512410,1sleep20-21swapper/213:01:472
1571699406,8cyclictest33-21ksoftirqd/211:17:002
1571699403,5cyclictest0-21swapper/211:00:312
15716994022,9cyclictest33-21ksoftirqd/210:10:022
15716994019,9cyclictest33-21ksoftirqd/210:15:062
15706994033,4cyclictest9-21ksoftirqd/011:35:020
106891400,1ptp4l401ktimersoftd/312:40:583
106891400,1ptp4l401ktimersoftd/312:20:183
106891400,1ptp4l401ktimersoftd/311:01:103
15716993921,9cyclictest33-21ksoftirqd/213:28:312
15716993911,8cyclictest33-21ksoftirqd/211:25:192
15706993932,3cyclictest9-21ksoftirqd/010:15:010
106891390,1ptp4l401ktimersoftd/312:05:173
106891390,1ptp4l401ktimersoftd/310:05:073
1571699384,5cyclictest33-21ksoftirqd/211:20:322
15716993816,9cyclictest33-21ksoftirqd/212:40:212
106891380,1ptp4l401ktimersoftd/313:39:003
106891380,1ptp4l401ktimersoftd/313:16:153
106891380,1ptp4l401ktimersoftd/312:36:063
106891380,1ptp4l401ktimersoftd/312:03:043
106891380,1ptp4l401ktimersoftd/311:05:353
106891380,1ptp4l401ktimersoftd/310:40:433
106891380,1ptp4l401ktimersoftd/310:35:543
106891380,1ptp4l401ktimersoftd/310:34:013
67872370,3sleep06790-21sendmail_mailqu12:55:140
1571699377,6cyclictest33-21ksoftirqd/212:50:072
1571699376,9cyclictest33-21ksoftirqd/210:37:572
1571699376,7cyclictest33-21ksoftirqd/211:10:092
1571699376,5cyclictest33-21ksoftirqd/211:49:412
1571699375,8cyclictest33-21ksoftirqd/210:45:422
1571699373,7cyclictest33-21ksoftirqd/210:33:102
1571699373,5cyclictest0-21swapper/211:54:512
15716993718,10cyclictest33-21ksoftirqd/212:45:092
15716993717,7cyclictest33-21ksoftirqd/209:50:092
15706993728,5cyclictest9-21ksoftirqd/012:35:040
1549823719,8sleep00-21swapper/008:13:270
106891370,1ptp4l401ktimersoftd/311:56:003
106891370,1ptp4l401ktimersoftd/311:29:083
106891370,1ptp4l401ktimersoftd/310:58:493
106891370,1ptp4l401ktimersoftd/309:20:013
106891370,0ptp4l401ktimersoftd/312:19:013
106891370,0ptp4l401ktimersoftd/312:19:013
1571699367,5cyclictest33-21ksoftirqd/213:32:232
1571699365,6cyclictest33-21ksoftirqd/208:35:072
1571699364,5cyclictest33-21ksoftirqd/213:44:542
1571699363,7cyclictest33-21ksoftirqd/212:10:412
15716993631,3cyclictest311rcuc/210:57:582
15716993621,4cyclictest33-21ksoftirqd/213:13:502
15716993617,10cyclictest33-21ksoftirqd/209:25:052
1571699361,6cyclictest33-21ksoftirqd/211:40:402
15716993616,9cyclictest33-21ksoftirqd/209:35:072
15716993616,8cyclictest33-21ksoftirqd/209:20:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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