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2026-05-14 - 05:16
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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 Thu May 14, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
952586996549,13cyclictest3080907-1kworker/3:0H23:40:133
952583996461,2cyclictest0-21swapper/122:18:211
95258399640,62cyclictest0-21swapper/123:31:591
952583996360,2cyclictest0-21swapper/100:10:341
952583996344,17cyclictest955577-21kworker/1:119:30:141
952583996341,21cyclictest978658-21kworker/1:220:45:151
952586996244,3cyclictest3080907-1kworker/3:0H21:00:143
952583996259,2cyclictest0-21swapper/100:08:011
952580996144,14cyclictest2731713-1kworker/0:0H19:20:140
952583996044,15cyclictest984823-21kworker/1:020:50:131
952583996038,21cyclictest961839-21kworker/1:319:50:121
952586995942,3cyclictest3080907-1kworker/3:0H23:55:143
952583995943,15cyclictest1056022-21kworker/1:022:22:221
952583995943,15cyclictest1006066-21kworker/1:321:27:491
952583995941,16cyclictest3035977-1kworker/1:0H21:00:141
952583995843,14cyclictest961839-21kworker/1:319:55:141
952583995843,14cyclictest3035977-1kworker/1:0H20:41:491
952583995843,14cyclictest1076290-21kworker/1:222:45:141
952583995843,14cyclictest1034348-21kworker/1:121:57:451
952583995843,14cyclictest1024576-21kworker/1:222:05:131
952583995843,14cyclictest1024576-21kworker/1:221:47:141
952583995842,15cyclictest984823-21kworker/1:021:13:511
952583995842,15cyclictest984823-21kworker/1:021:00:001
952583995842,15cyclictest955577-21kworker/1:119:26:481
952583995842,15cyclictest1135779-21kworker/1:123:59:201
952583995842,15cyclictest1071385-21kworker/1:122:50:011
952583995842,15cyclictest1024576-21kworker/1:222:02:501
952583995841,15cyclictest1181551-21kworker/1:000:37:341
952583995840,16cyclictest955577-21kworker/1:119:20:141
952583995839,16cyclictest3035977-1kworker/1:0H21:22:051
952583995836,20cyclictest984823-21kworker/1:021:15:201
952583995742,14cyclictest970680-21kworker/1:020:16:531
952583995742,14cyclictest1100916-21kworker/1:123:15:171
952583995742,14cyclictest1096031-21kworker/1:223:09:141
952583995742,14cyclictest1071385-21kworker/1:122:40:141
952583995741,15cyclictest978658-21kworker/1:220:30:341
952583995741,15cyclictest1154327-21kworker/1:000:21:591
952583995741,15cyclictest1129593-21kworker/1:023:48:491
952583995741,15cyclictest1114052-21kworker/1:223:25:131
952583995737,18cyclictest3035977-1kworker/1:0H20:15:001
952583995736,20cyclictest978658-21kworker/1:220:35:141
952583995641,14cyclictest970680-21kworker/1:020:05:131
952583995641,14cyclictest961839-21kworker/1:319:40:001
952583995641,14cyclictest1091152-21kworker/1:023:02:201
952583995641,14cyclictest1071385-21kworker/1:122:57:221
952583995640,15cyclictest970680-21kworker/1:020:20:161
952583995640,15cyclictest1107668-21kworker/1:023:22:271
952583995640,15cyclictest1056022-21kworker/1:022:35:011
952583995640,15cyclictest1056022-21kworker/1:022:30:061
952583995639,16cyclictest952693-21kworker/1:019:15:121
952584995551,3cyclictest3402818-1kworker/2:1H22:26:492
952583995540,14cyclictest1174289-21kworker/1:100:30:131
952583995540,14cyclictest1006066-21kworker/1:321:40:141
952583995539,15cyclictest1169418-21kworker/1:200:27:591
952583995539,15cyclictest1135779-21kworker/1:123:54:551
952583995539,15cyclictest1100916-21kworker/1:123:12:511
952583995539,15cyclictest1024576-21kworker/1:221:50:161
952584995450,3cyclictest3402818-1kworker/2:1H23:40:362
952583995450,2cyclictest0-21swapper/123:40:001
952583995450,2cyclictest0-21swapper/123:40:001
952583995439,14cyclictest961839-21kworker/1:319:45:181
952583995439,14cyclictest1024576-21kworker/1:222:10:501
952583995438,15cyclictest1060665-21kworker/1:122:27:181
952583995437,16cyclictest976864-21kworker/1:120:25:151
952583995437,16cyclictest1154327-21kworker/1:000:15:141
952583995437,16cyclictest1129593-21kworker/1:023:40:131
952583995437,16cyclictest1006066-21kworker/1:321:30:141
952580995449,3cyclictest2731713-1kworker/0:0H23:51:140
952586995347,3cyclictest3080907-1kworker/3:0H22:20:133
952584995348,3cyclictest3402818-1kworker/2:1H21:53:492
952584995347,3cyclictest3402818-1kworker/2:1H00:40:002
952583995338,14cyclictest955577-21kworker/1:119:35:141
95258399530,50cyclictest970698-21cron20:05:001
952586995245,4cyclictest3080907-1kworker/3:0H20:40:003
952583995237,14cyclictest1006066-21kworker/1:321:35:001
952583995236,15cyclictest1135779-21kworker/1:100:00:021
952586995148,2cyclictest1069522-21kworker/3:000:32:243
952584995146,3cyclictest3402818-1kworker/2:1H20:12:042
952584995145,4cyclictest3402818-1kworker/2:1H19:41:502
952584995145,3cyclictest3402818-1kworker/2:1H00:08:282
952583995131,18cyclictest3035977-1kworker/1:0H19:11:441
952580995146,3cyclictest1106669-21kworker/0:023:15:210
952586995046,3cyclictest1069522-21kworker/3:000:19:553
952586995045,3cyclictest3080907-1kworker/3:0H19:25:213
952586995044,4cyclictest3080907-1kworker/3:0H21:15:013
952584995045,3cyclictest3402818-1kworker/2:1H21:11:492
952583995034,15cyclictest984823-21kworker/1:021:05:131
952580995047,2cyclictest1161058-21kworker/0:100:23:520
952580995044,3cyclictest2731713-1kworker/0:0H23:47:430
952584994944,3cyclictest3402818-1kworker/2:1H22:10:142
952580994946,2cyclictest2731713-1kworker/0:0H19:35:360
952580994944,3cyclictest2731713-1kworker/0:0H21:42:500
952580994944,3cyclictest2731713-1kworker/0:0H19:30:140
952580994944,3cyclictest1044945-21kworker/0:123:30:280
952586994845,2cyclictest961226-21kworker/3:220:15:143
952586994845,2cyclictest1069522-21kworker/3:000:00:203
952586994843,3cyclictest1069522-21kworker/3:022:40:003
952584994844,3cyclictest3402818-1kworker/2:1H23:16:482
952584994844,3cyclictest3402818-1kworker/2:1H22:54:482
952584994843,3cyclictest3402818-1kworker/2:1H20:50:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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