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2026-04-05 - 16:10
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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 Apr 05, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3276556998843,43cyclictest3276675-21kworker/1:007:10:131
327655699640,63cyclictest0-21swapper/107:17:261
3276556996361,1cyclictest0-21swapper/109:31:251
3276556996360,2cyclictest0-21swapper/111:04:191
3276556996360,2cyclictest0-21swapper/110:14:491
3276556996360,1cyclictest3294764-21fschecks_count08:05:151
327655699630,62cyclictest0-21swapper/112:10:281
3276556996259,2cyclictest0-21swapper/109:13:261
3276556996246,15cyclictest3337312-21kworker/1:109:40:011
3276556996246,15cyclictest3337312-21kworker/1:109:40:001
327655699620,61cyclictest0-21swapper/111:43:271
3276556996142,18cyclictest3351301-21kworker/1:310:05:011
3276556996142,18cyclictest3351301-21kworker/1:310:05:001
3276556996138,21cyclictest3116789-1kworker/1:1H10:40:011
3276556996057,2cyclictest0-21swapper/109:16:311
3276556996056,2cyclictest0-21swapper/107:35:021
3276556996042,17cyclictest3415777-21kworker/1:211:20:121
3276556996039,19cyclictest3116789-1kworker/1:1H08:45:001
3276556995956,1cyclictest0-21swapper/111:06:321
3276556995955,2cyclictest0-21swapper/109:52:581
3276556995955,2cyclictest0-21swapper/109:52:571
3276556995943,15cyclictest3408759-21kworker/1:311:10:141
3276556995939,18cyclictest3300347-21kworker/1:208:25:131
3276556995843,14cyclictest3462580-21kworker/1:012:25:151
3276556995843,14cyclictest3426498-21kworker/1:111:45:241
3276556995843,14cyclictest3426498-21kworker/1:111:30:131
3276556995843,14cyclictest3393042-21kworker/1:110:50:141
3276556995843,14cyclictest3351301-21kworker/1:309:55:141
3276556995843,14cyclictest3351301-21kworker/1:309:55:131
3276556995843,14cyclictest3313352-21kworker/1:309:08:561
3276556995843,14cyclictest3288640-21kworker/1:307:48:551
3276556995841,16cyclictest3397754-21kworker/1:010:55:131
3276556995742,14cyclictest3479585-21kworker/1:112:35:131
3276556995742,14cyclictest3415777-21kworker/1:211:15:071
3276556995742,14cyclictest3300347-21kworker/1:208:45:321
3276556995742,14cyclictest3283069-21kworker/1:007:30:151
3276556995742,14cyclictest3279033-21kworker/1:107:20:221
3276556995741,15cyclictest3328743-21kworker/1:109:27:271
3276556995741,15cyclictest3320104-21kworker/1:109:20:151
3276556995741,15cyclictest3300347-21kworker/1:208:50:161
3276556995740,16cyclictest3369292-21kworker/1:210:30:161
3276556995740,16cyclictest3369292-21kworker/1:210:20:131
3276556995740,16cyclictest3345955-21kworker/1:009:50:011
3276556995739,17cyclictest3369292-21kworker/1:210:25:161
3276556995738,18cyclictest3474809-21kworker/1:212:30:181
3276564995650,3cyclictest3458755-21kworker/3:112:16:573
3276556995641,14cyclictest3421254-21kworker/1:011:25:111
3276556995641,14cyclictest3311136-21kworker/1:108:56:301
3276556995641,14cyclictest3300347-21kworker/1:208:30:141
3276556995641,14cyclictest3283069-21kworker/1:007:40:151
3276556995639,16cyclictest3295703-21kworker/1:108:15:121
3276556995638,17cyclictest3388459-21kworker/1:310:40:181
3276556995638,17cyclictest3116789-1kworker/1:1H12:20:001
3276564995550,3cyclictest3280065-21kworker/3:208:29:293
3276564995550,3cyclictest3280065-21kworker/3:207:58:243
3276556995553,1cyclictest0-21swapper/109:04:251
3276556995540,14cyclictest3455186-21kworker/1:212:05:161
3276556995540,14cyclictest3450293-21kworker/1:112:00:131
3276556995540,14cyclictest3445842-21kworker/1:011:50:161
3276556995540,14cyclictest3279033-21kworker/1:107:25:131
3276556995540,14cyclictest3116789-1kworker/1:1H08:35:151
3276556995538,16cyclictest3445842-21kworker/1:011:55:141
3276555995551,3cyclictest3340813-21kworker/0:209:49:020
3276555995549,3cyclictest3115968-1kworker/0:0H10:34:100
3276564995449,3cyclictest3280065-21kworker/3:208:10:123
3276556995439,14cyclictest3288640-21kworker/1:307:50:141
3276556995437,16cyclictest3295703-21kworker/1:108:15:001
327655699540,52cyclictest0-21swapper/112:20:281
3276555995449,3cyclictest3274968-21kworker/0:207:50:200
3276564995349,3cyclictest3280065-21kworker/3:207:35:333
3276564995348,3cyclictest3324813-21kworker/3:211:30:523
3276564995348,3cyclictest3280065-21kworker/3:207:24:493
3276556995337,15cyclictest3355368-21kworker/1:010:15:121
327655699530,2cyclictest0-21swapper/107:55:121
3276555995349,3cyclictest3115968-1kworker/0:0H07:55:170
3276564995248,2cyclictest3324813-21kworker/3:211:14:503
3276562995249,2cyclictest3371352-21kworker/2:210:24:412
3276556995237,14cyclictest3388459-21kworker/1:310:45:131
3276556995235,15cyclictest3333030-21kworker/1:009:35:131
3276555995248,2cyclictest3300600-21kworker/0:008:35:070
3276555995247,3cyclictest3115968-1kworker/0:0H09:26:250
3276564995147,2cyclictest1465015-1kworker/3:1H09:14:263
3276564995145,3cyclictest1465015-1kworker/3:1H12:30:143
3276562995148,2cyclictest3466087-21kworker/2:212:30:342
3276562995147,3cyclictest3168092-1kworker/2:2H10:27:272
3276562995147,2cyclictest3294167-21kworker/2:208:23:512
3276556995148,2cyclictest0-21swapper/108:00:051
327655699510,50cyclictest0-21swapper/110:09:261
327655699510,50cyclictest0-21swapper/108:23:011
3276555995148,2cyclictest3274968-21kworker/0:207:13:250
3276555995146,3cyclictest3274968-21kworker/0:207:27:500
3276555995146,3cyclictest3115968-1kworker/0:0H08:20:000
3276564995046,2cyclictest3324813-21kworker/3:212:00:053
3276564995046,2cyclictest3324813-21kworker/3:209:51:333
3276564995046,2cyclictest3324813-21kworker/3:209:51:323
3276564995045,3cyclictest3324813-21kworker/3:210:30:523
3276564995045,3cyclictest1465015-1kworker/3:1H10:55:053
3276564995045,3cyclictest1465015-1kworker/3:1H09:40:153
3276564995045,3cyclictest1465015-1kworker/3:1H09:40:153
3276564995044,4cyclictest1465015-1kworker/3:1H10:04:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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