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2026-05-20 - 22:37
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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 Wed May 20, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2637655997144,26cyclictest2096899-1kworker/1:2H10:55:151
2637655997042,27cyclictest2859909-21kworker/1:112:30:131
2637655996943,25cyclictest2839257-21kworker/1:112:20:001
2637655996943,24cyclictest2784115-21kworker/1:011:10:151
2637655996939,28cyclictest2096899-1kworker/1:2H07:25:061
2637655996936,31cyclictest2641003-21kworker/1:107:20:131
2637655996838,28cyclictest2096899-1kworker/1:2H08:20:141
2637655996834,33cyclictest2758202-21kworker/1:110:40:011
263765599680,3cyclictest2792855-21ssh11:16:151
2637655996756,9cyclictest0-21swapper/108:02:541
2637655996752,12cyclictest2713209-21fschecks_time09:50:131
2637655996737,29cyclictest2669078-21kworker/1:109:00:161
2637655996737,28cyclictest2641003-21kworker/1:107:45:151
2637655996736,29cyclictest2814318-21kworker/1:311:44:151
2637655996736,29cyclictest2651854-21kworker/1:208:09:591
2637655996736,29cyclictest2096899-1kworker/1:2H12:35:131
2637655996735,30cyclictest2096899-1kworker/1:2H10:45:141
2637655996734,31cyclictest2839257-21kworker/1:112:10:141
2637655996638,27cyclictest2096899-1kworker/1:2H09:25:121
2637655996635,29cyclictest2650317-21kworker/1:007:50:141
2637655996537,26cyclictest2096899-1kworker/1:2H12:18:451
2637655996438,25cyclictest2680062-21kworker/1:009:20:121
2637655996235,26cyclictest2641003-21kworker/1:107:30:141
2637655996233,27cyclictest2096899-1kworker/1:2H07:15:151
2637655996044,14cyclictest2096899-1kworker/1:2H07:35:131
2637655996041,17cyclictest2743713-21kworker/1:010:25:201
2637655996036,22cyclictest2699381-21kworker/1:309:45:151
2637655996024,34cyclictest2651854-21kworker/1:208:10:151
2637655995940,18cyclictest2669078-21kworker/1:108:50:151
2637681995843,12cyclictest3655225-1kworker/3:2H11:45:123
2637655995843,14cyclictest2735914-21kworker/1:310:20:151
2637655995843,14cyclictest2735858-21kworker/1:210:17:051
2637655995841,16cyclictest2855076-21kworker/1:212:30:011
2637655995841,16cyclictest2743713-21kworker/1:010:30:131
2637655995841,16cyclictest2664849-21kworker/1:308:40:151
2637655995832,25cyclictest2651854-21kworker/1:207:55:151
2637655995828,29cyclictest2801540-21kworker/1:111:30:121
2637655995823,32cyclictest2096899-1kworker/1:2H09:43:111
2637655995750,5cyclictest0-21swapper/109:19:561
2637655995742,14cyclictest2814318-21kworker/1:311:48:461
2637655995742,14cyclictest2801540-21kworker/1:111:35:141
2637655995742,14cyclictest2096899-1kworker/1:2H11:03:461
2637655995741,15cyclictest2686189-21kworker/1:109:30:171
2637655995741,15cyclictest2669078-21kworker/1:109:00:001
2637655995731,25cyclictest2096899-1kworker/1:2H11:22:411
2637681995644,10cyclictest3655225-1kworker/3:2H08:39:563
2637655995653,2cyclictest0-21swapper/110:44:401
2637655995641,14cyclictest2699381-21kworker/1:309:37:401
2637655995641,14cyclictest2674289-21kworker/1:309:15:001
2637655995641,14cyclictest2673716-21kworker/1:209:08:081
2637655995641,14cyclictest2669078-21kworker/1:108:46:501
2637655995641,14cyclictest2662658-21kworker/1:008:34:161
2637655995641,14cyclictest2662658-21kworker/1:008:34:151
2637655995641,14cyclictest2636935-21kworker/1:307:10:151
2637655995640,15cyclictest2829591-21kworker/1:212:04:561
2637655995639,15cyclictest2714671-21kworker/1:110:05:131
2637655995638,17cyclictest2791244-21kworker/1:311:25:141
2637655995630,25cyclictest2656735-21kworker/1:108:20:001
2637629995645,9cyclictest1167012-1kworker/0:0H10:00:000
2637655995540,14cyclictest2709813-21kworker/1:009:55:141
2637655995540,14cyclictest2662658-21kworker/1:008:28:001
2637655995540,14cyclictest2662658-21kworker/1:008:27:591
2637655995540,14cyclictest2096899-1kworker/1:2H11:09:591
2637655995539,15cyclictest2662658-21kworker/1:008:35:121
2637655995537,17cyclictest2819370-21kworker/1:111:55:131
2637681995449,3cyclictest3655225-1kworker/3:2H07:53:163
2637681995448,4cyclictest3655225-1kworker/3:2H08:45:003
2637681995448,4cyclictest3655225-1kworker/3:2H07:38:163
2637680995449,3cyclictest3402818-1kworker/2:1H10:02:402
2637655995439,14cyclictest2829591-21kworker/1:212:08:441
2637655995438,15cyclictest2824723-21kworker/1:011:53:421
2637655995424,28cyclictest2641003-21kworker/1:107:40:141
2637629995449,3cyclictest2654182-21kworker/0:008:22:580
2637681995348,3cyclictest3655225-1kworker/3:2H09:30:143
2637681995348,3cyclictest2669147-21kworker/3:010:06:163
2637681995346,4cyclictest3655225-1kworker/3:2H10:18:193
2637680995348,3cyclictest3402818-1kworker/2:1H11:55:362
2637655995337,15cyclictest2731020-21kworker/1:010:13:181
2637681995248,2cyclictest2669147-21kworker/3:009:01:323
2637681995247,3cyclictest2669147-21kworker/3:009:51:483
2637681995246,4cyclictest3655225-1kworker/3:2H10:00:143
2637681995246,3cyclictest2653458-21kworker/3:108:19:593
2637680995247,4cyclictest3402818-1kworker/2:1H09:52:462
2637681995146,3cyclictest3655225-1kworker/3:2H11:54:553
2637681995146,3cyclictest3655225-1kworker/3:2H08:10:353
2637681995145,4cyclictest3655225-1kworker/3:2H07:34:163
2637680995146,3cyclictest3402818-1kworker/2:1H11:18:332
2637680995146,3cyclictest3402818-1kworker/2:1H09:14:152
2637655995147,3cyclictest26350irq/16-i801_smb10:01:141
2637629995146,3cyclictest2723619-21kworker/0:210:12:470
2637629995145,4cyclictest2838280-21kworker/0:212:20:420
2637629995145,4cyclictest2802571-21kworker/0:211:33:400
2637629995145,4cyclictest1167012-1kworker/0:0H11:20:110
2637629995143,6cyclictest2702003-21kworker/0:110:03:400
2637681995046,2cyclictest2735313-21kworker/3:112:03:413
2637681995046,2cyclictest2735313-21kworker/3:111:34:513
2637681995045,3cyclictest2735313-21kworker/3:112:10:213
2637681995044,4cyclictest3655225-1kworker/3:2H09:45:003
2637681995044,3cyclictest2669147-21kworker/3:009:55:213
2637655995035,14cyclictest2763319-21kworker/1:010:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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