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2026-06-20 - 09:23
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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 Jun 20, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317341997742,33cyclictest390419-21kworker/1:122:10:141
317341997642,31cyclictest2430601-1kworker/1:0H23:40:111
317341997438,34cyclictest376667-21kworker/1:021:40:141
317341996562,2cyclictest0-21swapper/122:18:191
317341996562,2cyclictest0-21swapper/122:18:181
317341996562,1cyclictest0-21swapper/122:41:431
31734199650,63cyclictest0-21swapper/120:38:121
317341996460,2cyclictest0-21swapper/122:55:431
317341996443,14cyclictest338977-21kworker/1:220:25:131
317341996240,20cyclictest2430601-1kworker/1:0H23:50:001
31734199620,1cyclictest0-21swapper/100:37:361
317341996143,17cyclictest394880-21kworker/1:322:00:131
317341996139,20cyclictest2430601-1kworker/1:0H19:45:001
317341996044,15cyclictest500003-21kworker/1:100:00:131
317341996043,16cyclictest427092-21kworker/1:022:51:151
317341995957,1cyclictest0-21swapper/119:33:071
317341995944,14cyclictest347000-21kworker/1:320:45:001
317341995942,16cyclictest369088-21kworker/1:321:35:001
317341995939,19cyclictest345476-21kworker/1:221:20:131
317341995843,14cyclictest325947-21kworker/1:219:50:131
317341995841,16cyclictest394880-21kworker/1:321:59:591
317341995839,18cyclictest477871-21kworker/1:023:50:131
317341995742,14cyclictest350101-21kworker/1:120:50:061
317341995742,14cyclictest317189-21kworker/1:319:10:301
317341995741,15cyclictest452569-21kworker/1:123:20:141
317341995736,18cyclictest332358-21kworker/1:120:00:001
317342995651,3cyclictest3697951-1kworker/2:0H21:18:422
317341995652,2cyclictest0-21swapper/122:10:011
317341995642,14cyclictest406889-21kworker/1:222:25:151
317341995642,14cyclictest345476-21kworker/1:221:15:151
317341995642,14cyclictest345476-21kworker/1:221:00:421
317341995641,14cyclictest507028-21kworker/1:200:07:451
317341995641,14cyclictest484371-21kworker/1:223:55:151
317341995641,14cyclictest441879-21kworker/1:223:05:021
317341995639,16cyclictest384084-21kworker/1:221:45:151
317341995638,17cyclictest369088-21kworker/1:321:25:121
317342995549,4cyclictest3697951-1kworker/2:0H22:41:432
317341995540,14cyclictest499977-21kworker/1:000:25:021
317341995540,14cyclictest390419-21kworker/1:121:50:141
317341995540,14cyclictest347000-21kworker/1:320:45:331
317341995540,14cyclictest338977-21kworker/1:220:16:431
317341995539,15cyclictest337010-21kworker/1:320:10:411
317341995537,17cyclictest441879-21kworker/1:223:05:001
317341995537,17cyclictest427092-21kworker/1:022:35:121
317347995448,3cyclictest1346134-1kworker/3:1H20:55:143
317347995448,3cyclictest1346134-1kworker/3:1H20:55:143
317342995450,2cyclictest436309-21kworker/2:323:36:412
317342995449,4cyclictest337006-21kworker/2:120:12:412
317341995439,14cyclictest512614-21kworker/1:100:20:171
317341995439,14cyclictest507028-21kworker/1:200:10:171
317341995439,14cyclictest427092-21kworker/1:022:46:171
317341995439,14cyclictest351641-21kworker/1:021:05:421
317341995439,14cyclictest338977-21kworker/1:220:20:221
317341995437,16cyclictest499977-21kworker/1:000:15:211
317341995437,16cyclictest317189-21kworker/1:319:15:011
317341995436,17cyclictest332358-21kworker/1:120:00:131
317341995436,17cyclictest326196-21kworker/1:319:40:011
317347995349,3cyclictest1346134-1kworker/3:1H23:59:333
317347995348,3cyclictest434791-21kworker/3:123:04:063
317347995348,3cyclictest1346134-1kworker/3:1H23:34:553
317342995348,3cyclictest3697951-1kworker/2:0H00:00:412
317342995347,4cyclictest3697951-1kworker/2:0H23:22:422
317341995338,14cyclictest351641-21kworker/1:020:55:011
317341995338,14cyclictest351641-21kworker/1:020:55:001
317341995338,14cyclictest334547-21kworker/1:020:05:131
317341995338,14cyclictest317189-21kworker/1:319:20:131
317341995337,15cyclictest412399-21kworker/1:022:20:151
31734199531,2cyclictest0-21swapper/123:10:331
317347995249,2cyclictest362103-21kworker/3:121:30:593
317347995248,2cyclictest479615-21kworker/3:200:07:173
317347995248,2cyclictest313081-21kworker/3:120:06:413
317347995248,2cyclictest1346134-1kworker/3:1H19:30:143
317342995247,3cyclictest388854-21kworker/2:021:49:592
317342995247,3cyclictest3697951-1kworker/2:0H00:27:282
317342995247,3cyclictest330832-21kworker/2:019:52:422
317342995246,4cyclictest3697951-1kworker/2:0H00:32:282
317341995237,14cyclictest526116-21kworker/1:300:30:251
317341995237,14cyclictest441879-21kworker/1:223:15:061
317341995235,16cyclictest452569-21kworker/1:123:25:141
317341995235,16cyclictest369088-21kworker/1:321:35:131
317341995235,16cyclictest317189-21kworker/1:319:25:141
317341995234,17cyclictest427092-21kworker/1:022:32:411
317347995148,2cyclictest313081-21kworker/3:119:36:133
317347995147,3cyclictest434791-21kworker/3:122:59:123
317347995146,3cyclictest411511-21kworker/3:222:19:083
317347995146,3cyclictest411511-21kworker/3:222:19:073
317342995147,2cyclictest343686-21kworker/2:220:30:422
317342995146,3cyclictest3697951-1kworker/2:0H23:26:542
317342995145,4cyclictest3697951-1kworker/2:0H22:55:422
317342995145,4cyclictest3697951-1kworker/2:0H00:22:282
317341995137,14cyclictest357907-21kworker/1:321:10:551
317341995136,15cyclictest325947-21kworker/1:219:45:131
317341995136,14cyclictest332358-21kworker/1:120:30:441
317341995133,17cyclictest480020-21kworker/1:323:35:131
317340995145,3cyclictest1114851-1kworker/0:0H19:20:130
317340995144,4cyclictest1114851-1kworker/0:0H21:45:130
317347995047,2cyclictest434791-21kworker/3:123:13:173
317347995047,2cyclictest411511-21kworker/3:222:38:423
317347995046,3cyclictest313081-21kworker/3:119:20:253
317347995045,3cyclictest313081-21kworker/3:119:15:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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