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2026-04-27 - 07:49
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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 Mon Apr 27, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26027996631,17cyclictest27901-21kworker/1:119:35:151
26027996541,22cyclictest168160-21kworker/1:123:20:161
2602799640,1cyclictest0-21swapper/121:38:381
2602799630,62cyclictest0-21swapper/100:24:481
26027996240,21cyclictest60868-21kworker/1:121:00:141
2602799621,59cyclictest0-21swapper/119:25:131
26027996144,16cyclictest37451-21kworker/1:319:50:011
26027996143,17cyclictest153319-21kworker/1:123:05:021
26027996130,29cyclictest86372-21kworker/1:221:50:011
26027996058,1cyclictest0-21swapper/120:01:161
26027996043,16cyclictest1314742-1kworker/1:2H19:30:061
26027996042,17cyclictest49807-21kworker/1:320:25:151
26027996042,17cyclictest24637-21kworker/1:319:10:001
26027996042,17cyclictest193844-21kworker/1:023:55:161
26027996041,17cyclictest42057-21kworker/1:220:50:151
26027996040,18cyclictest8314-21kworker/1:019:20:151
26027996038,21cyclictest127421-21kworker/1:022:30:131
26027995943,15cyclictest92609-21kworker/1:122:10:141
26027995943,15cyclictest51594-21kworker/1:020:36:441
26027995943,15cyclictest42058-21kworker/1:320:05:161
26027995943,15cyclictest42057-21kworker/1:220:30:001
26027995943,15cyclictest221217-21kworker/1:300:35:151
26027995943,15cyclictest211427-21kworker/1:000:16:201
26027995943,15cyclictest211427-21kworker/1:000:16:191
26027995943,15cyclictest193844-21kworker/1:023:52:331
26027995943,15cyclictest168160-21kworker/1:123:38:381
26027995943,15cyclictest168160-21kworker/1:123:19:371
26027995943,15cyclictest153330-21kworker/1:323:10:041
26027995943,15cyclictest153330-21kworker/1:323:00:141
26027995942,16cyclictest86372-21kworker/1:221:40:351
26027995942,16cyclictest60868-21kworker/1:121:10:181
26027995942,16cyclictest42057-21kworker/1:220:45:031
26027995942,16cyclictest42057-21kworker/1:220:45:011
26027995941,17cyclictest1314742-1kworker/1:2H21:17:091
2602799591,55cyclictest0-21swapper/122:41:031
26027995842,15cyclictest96603-21kworker/1:322:05:011
26027995842,15cyclictest8314-21kworker/1:019:15:011
26027995842,15cyclictest79570-21kworker/1:121:31:071
26027995842,15cyclictest60868-21kworker/1:121:06:511
26027995842,15cyclictest147597-21kworker/1:222:55:141
26027995842,15cyclictest137200-21kworker/1:122:45:151
26027995842,15cyclictest1314742-1kworker/1:2H20:15:141
26027995840,17cyclictest168160-21kworker/1:123:30:151
26027995840,17cyclictest131381-21kworker/1:322:50:001
26027995838,18cyclictest92609-21kworker/1:122:15:131
26027995835,22cyclictest122765-21kworker/1:222:30:001
26027995823,34cyclictest168160-21kworker/1:123:45:001
26027995741,15cyclictest193844-21kworker/1:000:00:021
26027995740,16cyclictest48246-21kworker/1:120:20:061
26027995740,16cyclictest168160-21kworker/1:123:25:041
26027995739,17cyclictest42058-21kworker/1:320:10:141
26027995737,19cyclictest204047-21kworker/1:200:05:141
26027995640,15cyclictest96603-21kworker/1:322:00:081
26027995640,15cyclictest8314-21kworker/1:019:45:061
26027995640,15cyclictest62755-21kworker/1:321:20:061
26027995640,15cyclictest168160-21kworker/1:123:47:391
26027995639,16cyclictest86372-21kworker/1:221:47:021
26027995639,16cyclictest72441-21kworker/1:021:25:141
26027995639,16cyclictest204047-21kworker/1:200:10:121
26027995637,18cyclictest40518-21kworker/1:119:55:141
26027995635,19cyclictest131381-21kworker/1:322:35:141
26031995550,3cyclictest3819399-1kworker/2:0H23:44:592
26032995450,2cyclictest197656-21kworker/3:000:00:003
26031995448,4cyclictest3819399-1kworker/2:0H00:15:162
26031995448,4cyclictest3819399-1kworker/2:0H00:15:152
26027995438,15cyclictest42057-21kworker/1:220:55:161
26027995438,15cyclictest42057-21kworker/1:220:55:161
26027995438,15cyclictest35891-21kworker/1:219:40:151
26027995436,17cyclictest92609-21kworker/1:121:55:031
26027995435,18cyclictest221217-21kworker/1:300:25:011
26025995448,3cyclictest2604461-1kworker/0:2H21:40:140
26031995348,3cyclictest3819399-1kworker/2:0H23:22:492
26031995347,3cyclictest3819399-1kworker/2:0H23:50:002
26027995334,18cyclictest92609-21kworker/1:122:20:041
26032995248,2cyclictest197656-21kworker/3:000:21:483
26031995247,3cyclictest3819399-1kworker/2:0H23:52:382
26031995247,3cyclictest3819399-1kworker/2:0H22:29:082
26031995247,3cyclictest3819399-1kworker/2:0H21:43:442
26027995234,17cyclictest1314742-1kworker/1:2H00:30:151
26025995248,2cyclictest2604461-1kworker/0:2H21:15:030
26025995247,3cyclictest2604461-1kworker/0:2H22:25:160
26031995146,3cyclictest3819399-1kworker/2:0H19:24:392
26031995145,3cyclictest3819399-1kworker/2:0H00:23:402
26032995046,3cyclictest169468-21kworker/3:123:24:383
26032995046,2cyclictest1677842-1kworker/3:0H21:30:143
26031995047,2cyclictest40453-21kworker/2:019:54:082
26031995047,2cyclictest3819399-1kworker/2:0H21:31:432
26025995047,2cyclictest31014-21kworker/0:019:32:380
26025995047,2cyclictest189888-21kworker/0:200:02:130
26025995044,3cyclictest2604461-1kworker/0:2H23:05:140
26032994945,3cyclictest140933-21kworker/3:123:04:553
26032994945,2cyclictest34350-21kworker/3:120:35:253
26031994946,2cyclictest3819399-1kworker/2:0H20:41:382
26031994946,2cyclictest140722-21kworker/2:222:54:082
26031994945,2cyclictest3819399-1kworker/2:0H23:34:592
26031994944,3cyclictest3819399-1kworker/2:0H20:29:082
26025994946,2cyclictest42070-21kworker/0:020:16:370
26025994944,3cyclictest2604461-1kworker/0:2H20:10:140
26032994845,2cyclictest34350-21kworker/3:119:37:093
26032994844,2cyclictest1677842-1kworker/3:0H23:10:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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