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2026-04-30 - 17:53
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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 Apr 30, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3900212997345,26cyclictest3990098-21lspci10:13:581
3900212997142,27cyclictest4071842-21kworker/1:011:55:131
3900212997042,26cyclictest4061342-21kworker/1:212:00:131
3900212996640,16cyclictest3979894-21kworker/1:010:05:291
3900212996638,16cyclictest3943494-21kworker/1:109:30:161
3900212996542,21cyclictest1261546-1kworker/1:1H11:20:001
3900212996461,2cyclictest0-21swapper/110:25:501
3900212996360,2cyclictest0-21swapper/107:52:451
3900212996343,20cyclictest3936666-21kworker/1:009:12:521
3900212996342,14cyclictest3919122-21kworker/1:108:10:121
3900212996340,14cyclictest1261546-1kworker/1:1H07:55:131
3900212996338,16cyclictest1261546-1kworker/1:1H12:21:061
3900212996335,18cyclictest3906743-21kworker/1:107:30:141
3900212996260,1cyclictest0-21swapper/112:28:211
390021299620,61cyclictest0-21swapper/111:48:161
390021299620,61cyclictest0-21swapper/109:55:051
3900212996158,2cyclictest0-21swapper/111:35:471
3900212996158,2cyclictest0-21swapper/110:51:251
3900212996158,2cyclictest0-21swapper/108:56:551
3900212996146,14cyclictest3936666-21kworker/1:009:20:211
390021299611,2cyclictest954417-21systemd-journal09:40:001
3900212996044,15cyclictest4044016-21kworker/1:211:20:121
3900212996042,16cyclictest4021804-21kworker/1:210:55:141
3900212995956,2cyclictest0-21swapper/110:32:511
3900212995942,16cyclictest4006826-21kworker/1:010:40:001
3900212995942,16cyclictest1261546-1kworker/1:1H11:10:331
3900212995941,17cyclictest4061342-21kworker/1:211:40:121
3900212995941,16cyclictest3909854-21kworker/1:208:05:141
3900212995940,17cyclictest4080534-21kworker/1:012:10:321
3900212995843,14cyclictest4039716-21kworker/1:111:27:511
3900212995840,17cyclictest3935125-21kworker/1:109:05:161
3900212995840,17cyclictest1261546-1kworker/1:1H10:50:011
3900212995742,14cyclictest4061342-21kworker/1:211:50:431
3900212995742,14cyclictest3943494-21kworker/1:109:29:551
3900212995742,14cyclictest3925559-21kworker/1:208:45:141
3900212995742,14cyclictest3925559-21kworker/1:208:37:551
3900212995742,14cyclictest1261546-1kworker/1:1H12:15:131
3900212995642,14cyclictest3919122-21kworker/1:108:20:331
3900212995641,14cyclictest3988791-21kworker/1:210:17:211
3900212995641,14cyclictest3965317-21kworker/1:109:45:141
3900212995641,14cyclictest3909854-21kworker/1:208:03:151
3900212995639,16cyclictest4026524-21kworker/1:011:05:141
3900212995639,16cyclictest3970296-21kworker/1:009:50:131
3900221995550,3cyclictest3924066-21kworker/3:108:49:503
3900212995553,1cyclictest0-21swapper/107:42:441
3900212995552,2cyclictest0-21swapper/107:47:451
3900212995540,14cyclictest4095717-21kworker/1:312:30:131
3900212995540,14cyclictest3919122-21kworker/1:108:25:131
3900212995540,14cyclictest3903642-21kworker/1:207:26:501
3900212995539,15cyclictest4026524-21kworker/1:011:00:151
3900212995538,16cyclictest3900015-21kworker/1:107:10:101
3900212995537,17cyclictest4039716-21kworker/1:111:30:131
3900221995449,3cyclictest3924066-21kworker/3:108:29:153
3900212995439,14cyclictest3993926-21kworker/1:110:20:011
3900212995439,14cyclictest3965317-21kworker/1:110:00:161
3900212995439,14cyclictest3919122-21kworker/1:108:19:521
3900212995439,14cyclictest3903642-21kworker/1:207:20:141
3900212995438,15cyclictest3956431-21kworker/1:209:40:151
3900221995348,3cyclictest4070152-21kworker/3:112:25:283
3900217995348,3cyclictest3819399-1kworker/2:0H11:51:242
3900217995348,3cyclictest3819399-1kworker/2:0H08:39:502
3900212995338,14cyclictest4006826-21kworker/1:010:40:061
3900221995247,3cyclictest4027307-21kworker/3:011:10:423
3900221995247,3cyclictest3905195-21kworker/3:208:17:153
3900221995246,4cyclictest3933653-21kworker/3:209:56:073
3900221995246,3cyclictest3665389-1kworker/3:1H11:25:133
3900217995248,2cyclictest3924010-21kworker/2:308:30:422
3900217995247,3cyclictest3963780-21kworker/2:209:47:152
3900217995247,3cyclictest3933575-21kworker/2:109:02:162
3900217995247,3cyclictest3920909-21kworker/2:208:11:192
3900217995247,3cyclictest3819399-1kworker/2:0H11:01:182
3900217995246,4cyclictest3959316-21kworker/2:109:37:202
3900217995246,4cyclictest3819399-1kworker/2:0H12:06:502
3900212995237,14cyclictest4061342-21kworker/1:212:05:131
3900212995237,14cyclictest3925559-21kworker/1:209:00:011
3900212995237,14cyclictest3900015-21kworker/1:107:17:501
3900206995249,2cyclictest4060052-21kworker/0:111:50:230
3900206995248,3cyclictest3980102-21kworker/0:010:05:360
3900206995246,3cyclictest2604461-1kworker/0:2H11:15:130
3900221995147,2cyclictest3933653-21kworker/3:210:36:513
3900221995147,2cyclictest3933653-21kworker/3:210:02:203
3900221995147,2cyclictest3924066-21kworker/3:108:37:093
3900221995146,3cyclictest4070152-21kworker/3:112:23:503
3900221995146,3cyclictest3665389-1kworker/3:1H12:10:533
3900217995148,2cyclictest4005692-21kworker/2:310:50:512
3900217995147,2cyclictest3819399-1kworker/2:0H11:48:212
3900217995146,3cyclictest3949199-21kworker/2:009:25:342
3900217995146,3cyclictest3912950-21kworker/2:007:50:062
3900217995146,3cyclictest3819399-1kworker/2:0H09:56:502
3900217995145,3cyclictest3819399-1kworker/2:0H12:01:032
3900217995145,3cyclictest3819399-1kworker/2:0H09:05:142
3900212995136,14cyclictest3936666-21kworker/1:009:15:151
3900212995136,14cyclictest3925559-21kworker/1:208:32:521
3900212995134,16cyclictest3925559-21kworker/1:208:40:121
3900206995148,2cyclictest3980102-21kworker/0:010:31:250
3900206995147,2cyclictest3959322-21kworker/0:110:00:330
3900221995047,2cyclictest4022804-21kworker/3:210:53:213
3900221995046,3cyclictest3933653-21kworker/3:210:27:153
3900221995046,2cyclictest4070152-21kworker/3:112:05:303
3900221995046,2cyclictest4027307-21kworker/3:011:04:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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