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2026-05-12 - 08:19
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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 May 12, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4001179996342,18cyclictest14901-21kworker/1:000:15:171
400117999630,62cyclictest0-21swapper/120:10:301
4001179996241,19cyclictest3726750-1kworker/1:2H22:35:011
400117999620,60cyclictest0-21swapper/100:30:441
4001179996041,17cyclictest4086678-21kworker/1:122:20:011
4001179996041,17cyclictest4086678-21kworker/1:122:20:001
4001179995943,15cyclictest547-21kworker/1:300:10:341
4001179995942,16cyclictest4086678-21kworker/1:122:16:431
4001179995939,18cyclictest4081755-21kworker/1:222:00:161
4001179995938,19cyclictest3726750-1kworker/1:2H23:55:001
4001179995843,14cyclictest4179237-21kworker/1:123:45:011
4001179995843,14cyclictest4179237-21kworker/1:123:45:001
4001179995843,14cyclictest4150639-21kworker/1:123:15:131
4001179995843,14cyclictest4103695-21kworker/1:322:25:001
4001179995843,14cyclictest4050385-21kworker/1:021:25:251
4001179995843,14cyclictest3726750-1kworker/1:2H20:35:051
4001179995842,15cyclictest4145744-21kworker/1:023:13:101
4001179995842,15cyclictest4140695-21kworker/1:323:00:171
4001179995842,15cyclictest4107913-21kworker/1:122:35:151
4001179995842,15cyclictest4060176-21kworker/1:221:40:071
4001179995840,17cyclictest3726750-1kworker/1:2H19:35:121
4001179995839,18cyclictest4081755-21kworker/1:222:05:131
4001179995839,17cyclictest3726750-1kworker/1:2H20:05:011
4001179995837,19cyclictest3726750-1kworker/1:2H20:10:001
4001179995743,14cyclictest4071096-21kworker/1:321:45:261
4001179995742,14cyclictest4019430-21kworker/1:020:25:151
4001179995742,14cyclictest3726750-1kworker/1:2H23:30:251
4001179995742,14cyclictest3726750-1kworker/1:2H22:42:071
4001179995742,14cyclictest3726750-1kworker/1:2H20:57:281
4001179995742,14cyclictest3726750-1kworker/1:2H00:35:141
4001179995742,14cyclictest24986-21kworker/1:000:25:151
4001179995740,16cyclictest3726750-1kworker/1:2H23:20:491
4001179995739,17cyclictest4128781-21kworker/1:222:55:011
4001179995739,17cyclictest4123866-21kworker/1:122:50:161
4001179995652,2cyclictest4177530-21fschecks_time23:40:141
4001179995641,14cyclictest5212-21kworker/1:000:06:151
4001179995641,14cyclictest4040608-21kworker/1:221:20:001
4001179995641,14cyclictest4007613-21kworker/1:119:40:001
4001179995641,14cyclictest3726750-1kworker/1:2H22:11:121
4001179995641,14cyclictest3726750-1kworker/1:2H00:00:131
4001179995641,14cyclictest10049-21kworker/1:100:20:151
4001179995640,15cyclictest4174406-21kworker/1:023:38:141
4001179995640,15cyclictest4174406-21kworker/1:023:38:141
4001179995640,15cyclictest4140695-21kworker/1:323:05:141
4001179995639,16cyclictest4060176-21kworker/1:221:35:151
4001179995639,16cyclictest4007613-21kworker/1:119:55:141
4001179995551,2cyclictest0-21swapper/120:19:131
4001179995541,14cyclictest4007613-21kworker/1:119:30:131
4001179995541,14cyclictest4000929-21kworker/1:019:22:101
4001179995540,14cyclictest4113861-21kworker/1:022:45:141
4001179995540,14cyclictest4032563-21kworker/1:020:52:421
4001179995540,14cyclictest3726750-1kworker/1:2H19:25:061
4001179995540,14cyclictest3726750-1kworker/1:2H19:10:141
4001179995537,17cyclictest4189379-21kworker/1:123:55:151
400117999551,52cyclictest0-21swapper/121:54:131
4001181995448,3cyclictest3080907-1kworker/3:0H19:20:003
4001180995450,2cyclictest4024593-21kworker/2:220:23:422
4001179995440,14cyclictest4000929-21kworker/1:019:15:011
4001179995439,14cyclictest4163394-21kworker/1:123:25:081
4001179995439,14cyclictest4025494-21kworker/1:120:40:161
4001179995439,14cyclictest3726750-1kworker/1:2H21:30:141
4001179995438,15cyclictest4034099-21kworker/1:121:00:001
4001156995449,3cyclictest2731713-1kworker/0:0H23:50:340
4001181995348,3cyclictest2744831-21kworker/3:219:26:083
4001180995349,3cyclictest4024593-21kworker/2:220:26:422
4001179995338,14cyclictest4034099-21kworker/1:121:05:151
4001179995338,14cyclictest4031020-21kworker/1:220:45:071
4001179995338,14cyclictest4019430-21kworker/1:020:24:121
4001179995338,14cyclictest4007613-21kworker/1:119:50:141
4001179995338,14cyclictest4007613-21kworker/1:119:45:151
4001179995337,15cyclictest4069869-21kworker/1:021:55:141
400117999520,51cyclictest4027972-21systemctl20:34:591
4001180995146,3cyclictest3402818-1kworker/2:1H00:01:152
4001180995145,3cyclictest3402818-1kworker/2:1H20:10:152
4001179995136,14cyclictest4040608-21kworker/1:221:20:161
4001156995147,2cyclictest4142381-21kworker/0:123:12:440
4001156995146,3cyclictest4114862-21kworker/0:122:35:480
4001181995047,2cyclictest2744831-21kworker/3:221:41:433
4001180995047,2cyclictest4171922-21kworker/2:023:36:432
4001180995047,2cyclictest4171922-21kworker/2:023:36:422
4001180995047,2cyclictest4051535-21kworker/2:221:23:422
4001180995046,3cyclictest3402818-1kworker/2:1H22:25:422
4001156995047,2cyclictest4142381-21kworker/0:123:21:150
4001156995047,2cyclictest4121791-21kworker/0:222:57:430
4001156995046,2cyclictest4034346-21kworker/0:021:12:340
4001156995045,3cyclictest2731713-1kworker/0:0H22:53:070
4001156995045,3cyclictest2731713-1kworker/0:0H00:00:130
4001181994946,2cyclictest3080907-1kworker/3:0H21:10:423
4001181994946,2cyclictest2744831-21kworker/3:221:07:133
4001181994944,3cyclictest3080907-1kworker/3:0H21:50:123
4001181994944,3cyclictest3080907-1kworker/3:0H19:10:323
4001180994946,2cyclictest4171922-21kworker/2:023:41:152
4001180994946,2cyclictest4152186-21kworker/2:023:20:242
4001180994946,2cyclictest4002466-21kworker/2:219:15:062
4001180994945,2cyclictest4038727-21kworker/2:221:07:352
4001180994945,2cyclictest4026137-21kworker/2:020:44:172
4001180994945,2cyclictest3402818-1kworker/2:1H23:45:202
4001180994945,2cyclictest3402818-1kworker/2:1H23:45:192
4001180994943,3cyclictest3402818-1kworker/2:1H20:55:142
4001179994935,14cyclictest4040608-21kworker/1:221:15:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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