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2026-03-14 - 15:30
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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 Sat Mar 14, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
390979799630,61cyclictest0-21swapper/107:19:001
3909797996237,24cyclictest3981427-21kworker/1:109:50:121
3909797996144,15cyclictest2641011-1kworker/1:2H11:25:471
3909797996057,2cyclictest0-21swapper/108:05:141
3909797996043,16cyclictest4051301-21kworker/1:111:17:381
390979799600,59cyclictest0-21swapper/109:34:311
3909797995957,1cyclictest0-21swapper/110:59:551
3909797995956,2cyclictest0-21swapper/112:37:241
3909797995944,14cyclictest4109271-21kworker/1:012:25:151
3909797995944,14cyclictest3959312-21kworker/1:109:25:011
3909797995943,15cyclictest4084452-21kworker/1:211:57:591
3909797995942,16cyclictest3950438-21kworker/1:009:15:161
3909797995856,1cyclictest0-21swapper/111:40:121
3909797995843,14cyclictest4051301-21kworker/1:111:20:461
3909797995843,14cyclictest4051301-21kworker/1:111:12:241
3909797995843,14cyclictest4024292-21kworker/1:310:50:401
3909797995843,14cyclictest3986424-21kworker/1:009:56:251
3909797995843,14cyclictest3908082-21kworker/1:207:10:131
3909797995843,14cyclictest2641011-1kworker/1:2H07:25:111
3909797995842,15cyclictest4024292-21kworker/1:310:40:191
3909797995842,15cyclictest3996215-21kworker/1:210:30:011
3909797995842,15cyclictest2641011-1kworker/1:2H09:21:251
3909797995842,15cyclictest2641011-1kworker/1:2H07:35:171
3909797995841,16cyclictest4037951-21kworker/1:011:05:151
3909797995840,17cyclictest4094737-21kworker/1:212:20:111
3909797995838,17cyclictest3972596-21kworker/1:209:44:541
3909797995742,14cyclictest4037951-21kworker/1:011:00:181
3909797995742,14cyclictest3996215-21kworker/1:210:25:131
3909797995742,14cyclictest3991802-21kworker/1:110:04:251
3909797995742,14cyclictest3944068-21kworker/1:309:00:281
3909797995742,14cyclictest3932360-21kworker/1:108:35:151
3909797995742,14cyclictest3932360-21kworker/1:108:34:051
3909797995742,14cyclictest3929278-21kworker/1:208:10:131
3909797995742,14cyclictest3922843-21kworker/1:008:00:121
3909797995742,14cyclictest3922843-21kworker/1:007:55:141
3909797995742,14cyclictest3911247-21kworker/1:307:30:111
3909797995742,14cyclictest2641011-1kworker/1:2H09:09:241
3909797995740,16cyclictest4060144-21kworker/1:011:50:551
3909797995739,17cyclictest4113965-21kworker/1:112:30:131
390979799570,55cyclictest0-21swapper/108:21:261
3909797995641,14cyclictest4090463-21kworker/1:312:00:011
3909797995641,14cyclictest4064564-21kworker/1:211:30:541
3909797995641,14cyclictest3972596-21kworker/1:209:45:131
3909797995641,14cyclictest3940395-21kworker/1:108:50:011
3909797995641,14cyclictest3938835-21kworker/1:008:40:141
3909797995641,14cyclictest3911247-21kworker/1:307:45:011
3909797995641,14cyclictest2641011-1kworker/1:2H10:14:511
3909797995640,15cyclictest3996215-21kworker/1:210:20:061
3909797995640,15cyclictest3930815-21kworker/1:008:18:251
3909797995639,16cyclictest3986424-21kworker/1:010:05:561
3909797995639,16cyclictest3923705-21kworker/1:107:50:141
3909797995637,17cyclictest3944068-21kworker/1:309:00:001
3909797995540,14cyclictest4098979-21kworker/1:012:10:001
3909797995540,14cyclictest3968179-21kworker/1:009:35:181
3909797995540,14cyclictest3932360-21kworker/1:108:25:161
3909797995538,16cyclictest3996215-21kworker/1:210:20:001
3909797995538,16cyclictest3940395-21kworker/1:108:50:001
3909797995537,17cyclictest3948094-21kworker/1:109:10:151
3909797995439,14cyclictest4060144-21kworker/1:011:45:001
3909797995439,14cyclictest4060144-21kworker/1:011:45:001
3909797995439,14cyclictest4028794-21kworker/1:010:47:551
3909797995438,15cyclictest4060144-21kworker/1:011:35:001
3909797995438,15cyclictest3911247-21kworker/1:307:20:011
3909797995338,14cyclictest4094737-21kworker/1:212:17:371
3909797995338,14cyclictest3911247-21kworker/1:307:40:171
3909797995337,14cyclictest2641011-1kworker/1:2H12:05:131
3909800995248,2cyclictest4090565-21kworker/3:112:32:493
3909800995248,2cyclictest4069041-21kworker/3:011:35:553
3909800995247,3cyclictest3903894-21kworker/3:108:51:243
3909793995247,3cyclictest3922853-21kworker/0:008:11:240
3909800995148,2cyclictest3903894-21kworker/3:108:22:003
3909800995147,3cyclictest40564-1kworker/3:2H11:13:313
3909800995147,2cyclictest4069041-21kworker/3:011:55:553
3909800995147,2cyclictest3903894-21kworker/3:109:25:373
3909800995146,3cyclictest4023671-21kworker/3:111:30:593
3909798995147,3cyclictest1135279-1kworker/2:1H12:38:552
3909798995146,3cyclictest1135279-1kworker/2:1H11:55:022
3909793995146,3cyclictest3976885-21kworker/0:110:01:300
3909793995145,3cyclictest2494205-1kworker/0:2H08:50:000
3909800995045,3cyclictest4090565-21kworker/3:112:26:123
3909800995045,3cyclictest3981669-21kworker/3:009:50:103
3909793995047,2cyclictest3922853-21kworker/0:008:04:300
3909793995045,3cyclictest4079728-21kworker/0:211:56:550
3909793995045,3cyclictest2494205-1kworker/0:2H08:59:250
3909793995045,3cyclictest2494205-1kworker/0:2H07:20:260
3909798994945,2cyclictest4109919-21kworker/2:112:22:252
3909793994946,2cyclictest3905447-21kworker/0:207:19:010
3909793994944,3cyclictest4050982-21kworker/0:011:17:370
3909793994944,3cyclictest2494205-1kworker/0:2H08:40:190
3909800994845,2cyclictest3903894-21kworker/3:109:48:253
3909800994845,2cyclictest3903894-21kworker/3:109:10:353
3909800994844,3cyclictest40564-1kworker/3:2H08:07:573
3909800994843,3cyclictest40564-1kworker/3:2H08:40:143
3909800994843,3cyclictest4023671-21kworker/3:111:29:013
3909797994833,14cyclictest3996215-21kworker/1:210:35:071
3909800994744,2cyclictest4090565-21kworker/3:112:10:273
3909800994744,2cyclictest3903894-21kworker/3:107:41:403
3909800994744,2cyclictest3903894-21kworker/3:107:32:253
3909800994744,2cyclictest3903894-21kworker/3:107:17:253
3909800994743,2cyclictest4090565-21kworker/3:112:21:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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