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2026-09-22 - 10:02
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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 Sep 22, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3728768997662,11cyclictest3911994-21fschecks_count23:50:171
3728768997662,11cyclictest3911994-21fschecks_count23:50:161
3728768997238,18cyclictest3736291-21kworker/1:219:55:001
3728768996943,15cyclictest3736291-21kworker/1:219:45:001
3728768996662,2cyclictest3812958-21fschecks_count22:00:151
3728768996539,25cyclictest3889182-21kworker/1:323:25:161
3728768996342,19cyclictest3560239-1kworker/1:1H20:05:001
3728768996158,2cyclictest0-21swapper/121:04:001
3728768996145,15cyclictest3732370-21kworker/1:319:25:151
3728768996144,16cyclictest3858813-21kworker/1:022:54:061
3728768996143,17cyclictest3832214-21kworker/1:222:30:171
3728768996043,16cyclictest3560239-1kworker/1:1H23:46:021
3728768996040,19cyclictest3913051-21kworker/1:000:00:151
3728768995854,3cyclictest0-21swapper/100:32:461
3728768995843,14cyclictest3816340-21kworker/1:222:10:171
3728768995843,14cyclictest3749604-21kworker/1:120:17:071
3728768995843,14cyclictest3727112-21kworker/1:019:15:131
3728768995842,15cyclictest3777643-21kworker/1:221:35:001
3728768995842,15cyclictest3732370-21kworker/1:319:24:051
3728768995842,15cyclictest3560239-1kworker/1:1H20:44:001
3728768995842,14cyclictest3765047-21kworker/1:021:05:131
3728768995841,16cyclictest3560239-1kworker/1:1H22:45:221
3728768995840,17cyclictest3951309-21kworker/1:100:35:141
3728768995754,2cyclictest0-21swapper/121:55:341
3728768995742,14cyclictest3922649-21kworker/1:100:06:361
3728768995742,14cyclictest3760408-21kworker/1:120:50:141
3728768995742,14cyclictest3760408-21kworker/1:120:50:141
3728768995742,14cyclictest3734530-21kworker/1:119:35:151
3728768995741,15cyclictest3941793-21kworker/1:200:28:071
3728768995741,15cyclictest3816340-21kworker/1:222:05:061
3728768995741,15cyclictest3767724-21kworker/1:021:15:141
3728768995740,16cyclictest3922649-21kworker/1:100:20:151
3728768995740,16cyclictest3777643-21kworker/1:221:25:131
3728768995654,1cyclictest0-21swapper/120:26:181
3728768995641,14cyclictest3867980-21kworker/1:123:05:181
3728768995641,14cyclictest3858813-21kworker/1:023:00:121
3728768995641,14cyclictest3744966-21kworker/1:020:10:011
3728768995641,14cyclictest3736291-21kworker/1:219:55:031
3728768995640,15cyclictest3841726-21kworker/1:122:35:141
3728768995640,15cyclictest3827407-21kworker/1:022:15:331
3728768995638,17cyclictest3922649-21kworker/1:100:10:161
3728768995638,16cyclictest3756377-21kworker/1:320:35:141
3728767995652,2cyclictest3930334-1kworker/0:2H21:35:060
3728772995550,3cyclictest1310283-1kworker/2:2H22:45:172
3728768995553,1cyclictest0-21swapper/121:39:011
3728768995540,14cyclictest3882309-21kworker/1:223:20:151
3728768995540,14cyclictest3867980-21kworker/1:123:10:131
3728768995539,15cyclictest3858813-21kworker/1:022:55:061
3728768995539,15cyclictest3801843-21kworker/1:221:49:061
3728768995539,14cyclictest3560239-1kworker/1:1H21:50:141
3728768995538,15cyclictest3560239-1kworker/1:1H23:30:161
372876899551,53cyclictest0-21swapper/123:56:341
372876899550,1cyclictest0-21swapper/121:45:001
3728768995439,14cyclictest3877476-21kworker/1:023:15:061
3728768995439,14cyclictest3821106-21kworker/1:122:20:161
3728768995439,14cyclictest3560239-1kworker/1:1H20:05:161
3728768995438,15cyclictest3765724-21kworker/1:321:10:151
3728768995438,15cyclictest3760408-21kworker/1:120:55:011
3728768995438,15cyclictest3560239-1kworker/1:1H23:39:011
3728768995436,17cyclictest3922649-21kworker/1:100:15:151
3728768995436,17cyclictest3896321-21kworker/1:023:45:001
3728781995340,11cyclictest3827650-21kworker/3:200:00:233
3728768995338,14cyclictest3767724-21kworker/1:021:20:141
3728768995338,14cyclictest3756377-21kworker/1:320:45:481
3728768995338,14cyclictest3734530-21kworker/1:119:30:061
3728768995338,14cyclictest3727112-21kworker/1:019:10:151
3728768995337,15cyclictest3832214-21kworker/1:222:26:351
3728768995337,15cyclictest3736291-21kworker/1:219:45:141
3728768995335,16cyclictest3560239-1kworker/1:1H22:40:141
3728767995348,3cyclictest3930334-1kworker/0:2H22:35:140
3728767995348,3cyclictest3782440-21kworker/0:221:29:050
3728781995237,2cyclictest526925-1kworker/3:2H22:10:153
3728781995234,3cyclictest526925-1kworker/3:2H22:47:223
3728772995247,3cyclictest3755830-21kworker/2:220:40:052
3728772995247,3cyclictest1310283-1kworker/2:2H23:59:352
3728768995236,15cyclictest3752707-21kworker/1:020:30:151
3728768995236,15cyclictest3749604-21kworker/1:120:20:141
3728767995247,3cyclictest3876851-21kworker/0:123:21:050
3728781995146,3cyclictest3707822-21kworker/3:119:39:553
3728781995135,4cyclictest526925-1kworker/3:2H19:45:163
3728772995147,2cyclictest3746522-21kworker/2:020:22:442
3728772995145,3cyclictest1310283-1kworker/2:2H19:30:152
3728767995148,2cyclictest3811636-21kworker/0:022:08:350
3728781995047,2cyclictest3827650-21kworker/3:223:52:003
3728781995047,2cyclictest3827650-21kworker/3:223:52:003
3728781995047,2cyclictest3754290-21kworker/3:021:30:183
3728781995047,2cyclictest3754290-21kworker/3:021:15:133
3728781995046,2cyclictest526925-1kworker/3:2H20:08:593
3728772995047,2cyclictest3774979-21kworker/2:121:22:042
3728772995046,3cyclictest3752705-21kworker/2:120:25:422
3728772995046,3cyclictest1310283-1kworker/2:2H23:01:072
3728772995046,2cyclictest3834183-21kworker/2:122:33:282
3728772995046,2cyclictest3746522-21kworker/2:020:12:332
3728772995045,3cyclictest3904188-21kworker/2:023:54:032
3728772995045,3cyclictest3904188-21kworker/2:023:54:022
3728767995047,2cyclictest3930334-1kworker/0:2H21:50:170
3728767995047,2cyclictest3766852-21kworker/0:021:19:060
3728767995046,3cyclictest3839407-21kworker/0:022:34:550
3728767995046,2cyclictest3796805-21kworker/0:021:44:050
3728781994946,2cyclictest3827650-21kworker/3:223:56:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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