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2026-04-21 - 11:42
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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 Apr 21, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97621699650,63cyclictest0-21swapper/123:32:101
97621699640,2cyclictest0-21swapper/122:44:121
976216996361,1cyclictest0-21swapper/122:49:451
976216996360,2cyclictest0-21swapper/123:49:411
976216996345,17cyclictest1001556-21kworker/1:220:30:161
97621699631,1cyclictest0-21swapper/119:13:101
97621699620,60cyclictest0-21swapper/122:51:021
976216996159,1cyclictest0-21swapper/119:28:101
976216996158,2cyclictest0-21swapper/121:38:411
976216996042,17cyclictest1010795-21kworker/1:021:00:131
976216996040,18cyclictest1051995-21kworker/1:022:00:151
97621699600,59cyclictest0-21swapper/119:47:451
976216995941,17cyclictest2248779-1kworker/1:2H21:45:171
976216995929,29cyclictest1158875-21kworker/1:000:25:171
976216995929,29cyclictest1158875-21kworker/1:000:25:161
976216995855,2cyclictest0-21swapper/119:35:361
976215995851,4cyclictest882394-1kworker/0:0H22:10:000
976216995741,15cyclictest992017-21kworker/1:120:00:161
976216995741,15cyclictest1016715-21kworker/1:021:15:151
976216995740,16cyclictest2248779-1kworker/1:2H23:38:101
976216995738,17cyclictest993577-21kworker/1:220:10:141
976216995641,14cyclictest993577-21kworker/1:220:05:231
976216995641,14cyclictest973265-21kworker/1:119:30:131
976216995641,14cyclictest1150638-21kworker/1:100:00:021
976216995641,14cyclictest1139547-21kworker/1:023:42:551
976216995641,14cyclictest1100639-21kworker/1:323:00:141
976216995641,14cyclictest1047411-21kworker/1:221:55:141
976216995641,14cyclictest1027111-21kworker/1:321:40:151
976216995641,14cyclictest1012355-21kworker/1:221:11:421
976216995640,15cyclictest2248779-1kworker/1:2H20:51:151
976216995640,15cyclictest1075492-21kworker/1:022:30:371
976216995640,15cyclictest1012355-21kworker/1:221:06:111
976216995638,17cyclictest1065260-21kworker/1:122:15:151
976220995551,3cyclictest1126434-21kworker/2:123:36:372
976220995550,3cyclictest3819399-1kworker/2:0H20:12:352
976216995541,14cyclictest1060888-21kworker/1:222:10:161
976216995540,14cyclictest1094361-21kworker/1:022:55:001
976216995540,14cyclictest1009256-21kworker/1:120:57:261
976216995539,15cyclictest1158875-21kworker/1:000:15:131
976216995539,15cyclictest1145543-21kworker/1:300:05:171
976216995539,15cyclictest1075492-21kworker/1:022:35:001
976216995539,15cyclictest1025479-21kworker/1:221:25:141
976216995538,16cyclictest1158875-21kworker/1:000:20:171
976216995538,16cyclictest1122337-21kworker/1:123:25:161
976216995537,16cyclictest1179658-21kworker/1:000:35:141
976216995536,18cyclictest973265-21kworker/1:119:20:141
976215995549,4cyclictest882394-1kworker/0:0H00:04:590
976216995439,14cyclictest1051995-21kworker/1:022:05:141
976216995439,14cyclictest1003137-21kworker/1:320:36:101
976216995438,15cyclictest984316-21kworker/1:019:44:121
976216995438,15cyclictest1180643-21kworker/1:300:33:351
976216995438,15cyclictest1117152-21kworker/1:023:20:141
976216995437,16cyclictest1060888-21kworker/1:222:25:171
976215995449,3cyclictest882394-1kworker/0:0H20:27:400
976221995347,3cyclictest1677842-1kworker/3:0H20:15:143
976216995338,14cyclictest1107028-21kworker/1:123:05:161
976216995338,14cyclictest1107028-21kworker/1:123:05:151
976216995337,15cyclictest1158875-21kworker/1:000:10:141
976216995337,15cyclictest1143866-21kworker/1:223:50:111
976216995337,15cyclictest1112888-21kworker/1:223:10:141
976216995337,15cyclictest1047411-21kworker/1:221:53:101
976216995336,16cyclictest1112888-21kworker/1:223:15:151
976216995336,16cyclictest1003137-21kworker/1:320:45:151
976216995335,17cyclictest999761-21kworker/1:120:25:011
976216995335,17cyclictest1027111-21kworker/1:321:30:141
976220995247,3cyclictest3819399-1kworker/2:0H19:11:132
976216995237,14cyclictest999761-21kworker/1:120:26:201
976216995237,14cyclictest984316-21kworker/1:019:55:141
976216995237,14cyclictest984316-21kworker/1:019:50:161
976216995237,14cyclictest973265-21kworker/1:119:15:061
976216995237,14cyclictest1003137-21kworker/1:320:40:131
976216995234,17cyclictest1016715-21kworker/1:021:20:141
976215995246,3cyclictest882394-1kworker/0:0H23:55:010
976215995246,3cyclictest882394-1kworker/0:0H22:35:160
976220995147,3cyclictest3819399-1kworker/2:0H00:14:102
976220995147,2cyclictest986152-21kworker/2:020:01:402
976220995146,3cyclictest3819399-1kworker/2:0H22:52:412
976220995145,3cyclictest3819399-1kworker/2:0H22:05:142
976216995136,14cyclictest1065260-21kworker/1:122:24:151
976215995147,3cyclictest882394-1kworker/0:0H22:30:360
976221995046,3cyclictest1677842-1kworker/3:0H20:44:353
976221995045,3cyclictest1007784-21kworker/3:122:09:403
976220995047,2cyclictest1004625-21kworker/2:020:39:402
976220995046,2cyclictest1004625-21kworker/2:020:47:092
976220995045,3cyclictest986152-21kworker/2:019:50:112
976220995045,3cyclictest3819399-1kworker/2:0H22:57:152
976220995045,3cyclictest3819399-1kworker/2:0H20:19:342
976216995035,14cyclictest993577-21kworker/1:220:15:211
976216995035,14cyclictest1145543-21kworker/1:300:03:011
976215995045,3cyclictest882394-1kworker/0:0H22:29:360
976215995044,4cyclictest1012351-21kworker/0:121:17:280
976215995036,11cyclictest882394-1kworker/0:0H20:42:230
976221994946,2cyclictest1079412-21kworker/3:223:55:203
976221994946,2cyclictest1079412-21kworker/3:223:52:563
976221994945,2cyclictest1079412-21kworker/3:223:25:323
976221994945,2cyclictest1007784-21kworker/3:121:40:063
976221994944,3cyclictest995176-21kworker/3:020:34:563
976220994944,2cyclictest3819399-1kworker/2:0H20:27:202
976220994942,4cyclictest3819399-1kworker/2:0H23:45:132
976215994944,3cyclictest882394-1kworker/0:0H21:50:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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