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2026-05-05 - 05:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot3.osadl.org (updated Tue May 05, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4194248996843,24cyclictest4192010-21kworker/1:119:15:131
4194248996735,31cyclictest542542-1kworker/1:2H23:30:001
4194248996259,1cyclictest0-21swapper/119:57:011
4194248996244,17cyclictest542542-1kworker/1:2H22:02:251
4194248996143,17cyclictest160938-21kworker/1:023:50:131
4194248996140,19cyclictest155812-21kworker/1:123:18:341
4194248996044,15cyclictest542542-1kworker/1:2H20:14:271
4194248996043,16cyclictest11735-21kworker/1:219:45:001
4194248995955,2cyclictest107720-21cron22:25:001
4194248995944,14cyclictest94564-21kworker/1:322:30:211
4194248995943,15cyclictest4192010-21kworker/1:119:25:171
4194248995943,15cyclictest28493-21kworker/1:120:40:131
4194248995938,19cyclictest11735-21kworker/1:219:45:141
4194249995850,5cyclictest3402818-1kworker/2:1H00:00:012
4194248995854,2cyclictest63294-21timerandwakeup21:35:191
4194248995843,14cyclictest94564-21kworker/1:322:44:521
4194248995843,14cyclictest87885-21kworker/1:022:14:581
4194248995843,14cyclictest30753-21kworker/1:020:50:151
4194248995843,14cyclictest196186-21kworker/1:000:01:321
4194248995843,14cyclictest196186-21kworker/1:000:01:321
4194248995843,14cyclictest15681-21kworker/1:220:00:151
4194248995843,14cyclictest14117-21kworker/1:319:50:151
4194248995842,15cyclictest52374-21kworker/1:221:32:381
4194248995842,15cyclictest206325-21kworker/1:300:25:151
4194248995842,15cyclictest135959-21kworker/1:222:57:561
4194248995842,15cyclictest127958-21kworker/1:022:50:011
4194248995841,16cyclictest78170-21kworker/1:221:55:141
4194248995838,18cyclictest94564-21kworker/1:322:35:131
4194248995742,14cyclictest35622-21kworker/1:221:10:131
4194248995742,14cyclictest35622-21kworker/1:221:05:161
4194248995742,14cyclictest196186-21kworker/1:000:10:141
4194248995742,14cyclictest196186-21kworker/1:000:05:201
4194248995742,14cyclictest178029-21kworker/1:223:45:051
4194248995742,14cyclictest140625-21kworker/1:023:03:281
4194248995741,15cyclictest78170-21kworker/1:221:54:551
4194248995741,15cyclictest542542-1kworker/1:2H00:35:131
4194248995741,15cyclictest42304-21kworker/1:021:20:131
4194248995741,15cyclictest170839-21kworker/1:123:40:011
4194248995741,15cyclictest155812-21kworker/1:123:20:081
4194248995741,15cyclictest127958-21kworker/1:022:48:001
4194248995741,14cyclictest542542-1kworker/1:2H00:30:141
4194248995740,16cyclictest82984-21kworker/1:122:10:001
4194248995641,14cyclictest47438-21kworker/1:121:27:371
4194248995640,15cyclictest94564-21kworker/1:323:10:131
4194248995640,15cyclictest542542-1kworker/1:2H23:30:131
4194248995640,15cyclictest30753-21kworker/1:020:55:051
4194248995640,15cyclictest22768-21kworker/1:120:25:021
4194248995640,15cyclictest191314-21kworker/1:223:55:131
4194248995640,15cyclictest170839-21kworker/1:123:38:061
4194248995640,15cyclictest15681-21kworker/1:220:05:161
4194248995638,17cyclictest94564-21kworker/1:322:15:131
4194248995540,14cyclictest7102-21kworker/1:219:35:151
4194248995540,14cyclictest42304-21kworker/1:021:18:291
4194248995540,14cyclictest30753-21kworker/1:020:45:141
4194248995540,14cyclictest206325-21kworker/1:300:20:111
4194248995539,15cyclictest542542-1kworker/1:2H20:23:571
4194248995538,16cyclictest4192010-21kworker/1:119:20:171
4194248995537,17cyclictest35622-21kworker/1:221:05:011
419424899551,53cyclictest0-21swapper/119:31:291
4194253995449,3cyclictest546374-1kworker/3:0H21:12:323
4194248995439,14cyclictest107693-21kworker/1:022:27:501
4194248995438,15cyclictest4192010-21kworker/1:119:14:531
4194248995437,16cyclictest63321-21kworker/1:121:40:341
4194246995447,4cyclictest2604461-1kworker/0:2H21:37:370
4194246995447,4cyclictest2604461-1kworker/0:2H00:20:110
4194248995338,14cyclictest63321-21kworker/1:121:45:131
4194248995337,15cyclictest94564-21kworker/1:323:07:561
4194248995337,15cyclictest26123-21kworker/1:320:35:021
4194248995337,15cyclictest26123-21kworker/1:320:35:021
4194246995349,2cyclictest15055-21kworker/0:020:32:080
4194246995347,3cyclictest2604461-1kworker/0:2H19:27:150
4194253995249,2cyclictest4194171-21kworker/3:020:37:583
4194253995249,2cyclictest4194171-21kworker/3:020:37:583
4194253995248,3cyclictest181529-21kworker/3:100:18:123
4194253995248,2cyclictest546374-1kworker/3:0H21:24:273
4194253995248,2cyclictest4194171-21kworker/3:019:40:233
4194249995247,3cyclictest3402818-1kworker/2:1H20:55:002
4194248995237,14cyclictest542542-1kworker/1:2H20:30:141
4194248995235,16cyclictest196186-21kworker/1:000:15:151
4194249995148,2cyclictest86883-21kworker/2:022:02:572
4194249995148,2cyclictest50658-21kworker/2:021:32:272
4194249995147,2cyclictest220300-21kworker/2:000:30:252
4194249995145,4cyclictest3402818-1kworker/2:1H21:35:142
4194249995145,3cyclictest3402818-1kworker/2:1H20:15:142
4194253995046,2cyclictest546374-1kworker/3:0H23:46:323
4194249995045,3cyclictest3402818-1kworker/2:1H23:23:322
4194248995032,17cyclictest15681-21kworker/1:220:15:151
4194246995045,3cyclictest40584-21kworker/0:121:16:320
4194246995045,3cyclictest2604461-1kworker/0:2H23:45:150
4194253994946,2cyclictest4194171-21kworker/3:020:01:523
4194253994945,2cyclictest48005-21kworker/3:221:29:523
4194253994944,3cyclictest4194171-21kworker/3:020:15:213
4194253994943,4cyclictest546374-1kworker/3:0H20:25:163
4194249994946,2cyclictest28954-21kworker/2:220:42:332
4194249994946,2cyclictest24329-21kworker/2:121:10:132
4194249994944,3cyclictest3402818-1kworker/2:1H21:45:582
4194249994943,4cyclictest3402818-1kworker/2:1H22:35:052
4194253994845,2cyclictest546374-1kworker/3:0H23:18:323
4194253994844,3cyclictest546374-1kworker/3:0H21:41:423
4194253994843,3cyclictest546374-1kworker/3:0H19:20:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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