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2026-09-13 - 07:34
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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 Sun Sep 13, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3168316997536,33cyclictest3324177-21kworker/1:123:35:141
3168316997443,30cyclictest3374634-21kworker/1:200:30:001
3168316997442,30cyclictest3281397-21kworker/1:022:45:161
3168316997262,7cyclictest3318374-21fschecks_count23:15:161
3168316997241,29cyclictest3181278-21kworker/1:220:20:151
3168316997239,31cyclictest279107-1kworker/1:2H23:25:001
3168316997137,32cyclictest279107-1kworker/1:2H21:10:001
3168316997041,27cyclictest3235587-21kworker/1:121:45:001
3168316997031,37cyclictest279107-1kworker/1:2H00:05:211
3168316996938,28cyclictest3276772-21kworker/1:122:30:131
3168316996930,37cyclictest3218322-21kworker/1:221:30:181
3168316996839,27cyclictest3208895-21kworker/1:021:15:151
3168316996837,30cyclictest3199004-21kworker/1:120:50:151
3168316996735,30cyclictest279107-1kworker/1:2H20:42:261
3168316996728,38cyclictest3267468-21kworker/1:022:25:011
316831699660,64cyclictest0-21swapper/119:14:391
3168316996537,27cyclictest279107-1kworker/1:2H21:45:151
316831699650,1cyclictest0-21swapper/120:13:051
3168316996435,27cyclictest3194114-21kworker/1:020:45:151
3168316996339,23cyclictest3169699-21kworker/1:119:20:171
3168316996335,26cyclictest3272202-21kworker/1:222:25:141
3168316996328,33cyclictest3243469-21kworker/1:322:00:011
3168316996258,3cyclictest26350irq/16-i801_smb00:00:001
3168316996257,2cyclictest0-21swapper/120:55:521
316831699624,3cyclictest0-21swapper/120:05:151
3168316996238,22cyclictest3351048-21kworker/1:123:53:361
3168316996238,22cyclictest279107-1kworker/1:2H19:30:151
3168316996229,31cyclictest3253251-21kworker/1:122:05:131
3168316996144,16cyclictest3341243-21kworker/1:223:45:001
3168316996143,17cyclictest3300116-21kworker/1:022:55:001
3168316996112,37cyclictest0-21swapper/123:01:421
3168316996044,15cyclictest3243469-21kworker/1:321:50:161
3168316996043,16cyclictest3374634-21kworker/1:200:35:011
3168316996043,16cyclictest3173308-21kworker/1:219:35:121
3168316996043,16cyclictest3169699-21kworker/1:119:15:061
3168316996042,17cyclictest3181278-21kworker/1:220:30:151
3168316996042,17cyclictest279107-1kworker/1:2H22:15:161
3168316996042,16cyclictest279107-1kworker/1:2H19:40:151
3168316996041,17cyclictest3341243-21kworker/1:223:45:011
3168316996040,18cyclictest3281397-21kworker/1:022:35:161
3168316996033,26cyclictest3331589-21kworker/1:323:35:011
3168316995942,16cyclictest3290854-21kworker/1:122:50:201
3168316995942,16cyclictest3290854-21kworker/1:122:44:061
3168316995942,16cyclictest3181278-21kworker/1:220:02:121
3168316995942,16cyclictest3181278-21kworker/1:219:56:341
3168316995942,16cyclictest3177927-21kworker/1:019:47:001
3168316995942,16cyclictest3177927-21kworker/1:019:46:591
3168316995940,17cyclictest3218322-21kworker/1:221:25:121
3168316995940,17cyclictest3181278-21kworker/1:219:50:011
3168316995940,17cyclictest3173308-21kworker/1:219:27:011
3168316995929,29cyclictest3253251-21kworker/1:122:05:011
3168316995840,16cyclictest279107-1kworker/1:2H20:25:161
3168316995837,18cyclictest279107-1kworker/1:2H21:20:151
3168316995836,20cyclictest3194114-21kworker/1:020:35:151
3168316995827,29cyclictest3208895-21kworker/1:021:15:001
3168316995739,17cyclictest3300116-21kworker/1:023:25:141
3168316995739,17cyclictest279107-1kworker/1:2H22:10:061
3168316995739,16cyclictest3374634-21kworker/1:200:30:191
3168316995739,16cyclictest3374634-21kworker/1:200:30:191
3168316995738,18cyclictest3300116-21kworker/1:023:10:011
3168316995738,17cyclictest3202757-21kworker/1:221:00:151
3168316995737,18cyclictest3369958-21kworker/1:000:15:171
3168316995737,18cyclictest3355839-21kworker/1:200:10:101
3168316995737,18cyclictest3181278-21kworker/1:220:15:181
3168316995639,16cyclictest3355839-21kworker/1:200:00:161
3168316995638,17cyclictest279107-1kworker/1:2H00:20:151
3168316995537,16cyclictest3300116-21kworker/1:023:05:011
3168313995449,3cyclictest3930334-1kworker/0:2H23:13:350
3168316995338,14cyclictest3230370-21kworker/1:021:35:271
3168313995248,3cyclictest3930334-1kworker/0:2H21:14:350
3168313995247,3cyclictest3317169-21kworker/0:000:13:460
3168322995146,3cyclictest4039042-1kworker/3:1H22:35:163
3168322995145,3cyclictest4039042-1kworker/3:1H21:45:143
3168322995047,2cyclictest4039042-1kworker/3:1H21:38:173
3168322995045,3cyclictest3169752-21kworker/3:120:40:053
3168322995043,4cyclictest4039042-1kworker/3:1H00:00:003
3168313995047,2cyclictest3930334-1kworker/0:2H23:29:350
3168322994946,2cyclictest3372436-21kworker/3:000:38:353
3168322994946,2cyclictest3322034-21kworker/3:223:21:343
3168322994946,2cyclictest3229137-21kworker/3:122:15:053
3168322994945,3cyclictest3291462-21kworker/3:022:50:153
3168322994945,2cyclictest3322034-21kworker/3:223:35:053
3168319994944,3cyclictest3683655-1kworker/2:2H20:35:012
3168322994844,3cyclictest4039042-1kworker/3:1H00:00:233
3168322994844,3cyclictest3291462-21kworker/3:022:45:433
3168322994844,3cyclictest3286119-21kworker/3:222:42:053
3168322994844,2cyclictest3169752-21kworker/3:119:20:053
3168319994845,2cyclictest3683655-1kworker/2:2H19:14:002
3168319994844,3cyclictest3683655-1kworker/2:2H22:14:352
3168319994844,2cyclictest3683655-1kworker/2:2H21:45:152
3168319994843,3cyclictest3683655-1kworker/2:2H19:45:172
3168319994843,3cyclictest3683655-1kworker/2:2H19:45:162
3168313994845,2cyclictest3317169-21kworker/0:023:35:130
3168313994845,2cyclictest3282724-21kworker/0:022:45:490
3168313994844,3cyclictest3930334-1kworker/0:2H23:07:060
3168313994844,3cyclictest3930334-1kworker/0:2H22:38:350
3168313994844,3cyclictest3930334-1kworker/0:2H21:57:340
3168322994744,2cyclictest3229137-21kworker/3:122:34:353
3168322994744,2cyclictest3229137-21kworker/3:122:01:393
3168322994743,3cyclictest3169752-21kworker/3:119:30:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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