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2026-08-08 - 16:23
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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 Sat Aug 08, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3082733997032,36cyclictest996569-1kworker/1:0H07:15:001
308273399672,2cyclictest0-21swapper/108:54:151
3082733996562,2cyclictest0-21swapper/110:44:431
3082733996462,1cyclictest0-21swapper/107:45:001
3082733996461,2cyclictest0-21swapper/112:25:141
3082733996443,20cyclictest3283978-21kworker/1:212:15:161
308273399640,62cyclictest0-21swapper/107:25:411
308273399640,2cyclictest0-21swapper/110:26:141
3082733996360,2cyclictest0-21swapper/111:40:001
3082733996245,16cyclictest3278302-21kworker/1:112:05:151
3082733996245,16cyclictest3278302-21kworker/1:112:05:141
3082733996243,18cyclictest3086196-21kworker/1:107:30:151
308273399621,60cyclictest0-21swapper/109:35:061
3082733996148,2cyclictest0-21swapper/111:50:301
3082733996145,15cyclictest3260495-21kworker/1:111:45:191
3082733996043,16cyclictest3303131-21kworker/1:112:35:131
3082733996043,16cyclictest3241430-21kworker/1:011:55:241
3082733996042,17cyclictest3126898-21kworker/1:009:20:151
3082733996041,18cyclictest3100372-21kworker/1:008:10:151
308273399600,58cyclictest0-21swapper/111:19:561
3082733995956,2cyclictest0-21swapper/107:24:421
3082733995943,15cyclictest3212822-21kworker/1:011:05:431
3082733995943,15cyclictest3191936-21kworker/1:110:30:161
3082733995943,15cyclictest3172583-21kworker/1:010:07:431
3082733995943,15cyclictest3117407-21kworker/1:309:00:341
3082733995943,15cyclictest3103451-21kworker/1:108:20:321
3082733995942,16cyclictest996569-1kworker/1:0H09:11:071
3082733995942,16cyclictest996569-1kworker/1:0H08:55:071
3082733995942,15cyclictest996569-1kworker/1:0H09:30:161
3082733995941,17cyclictest3212822-21kworker/1:010:55:451
3082733995940,18cyclictest3201474-21kworker/1:110:45:151
3082733995940,18cyclictest3100372-21kworker/1:008:05:141
3082733995842,15cyclictest3283978-21kworker/1:212:20:561
3082733995842,15cyclictest3241430-21kworker/1:012:04:551
3082733995842,15cyclictest3241430-21kworker/1:012:04:541
3082733995842,15cyclictest3206359-21kworker/1:210:50:151
3082733995842,15cyclictest3145298-21kworker/1:109:50:061
3082733995842,15cyclictest3131329-21kworker/1:209:40:151
3082733995842,15cyclictest3097023-21kworker/1:108:00:141
3082733995841,16cyclictest3298433-21kworker/1:012:30:151
3082733995841,16cyclictest3117407-21kworker/1:309:05:161
3082733995840,17cyclictest3103451-21kworker/1:108:30:141
3082733995839,18cyclictest3227216-21kworker/1:111:10:141
3082733995837,20cyclictest996569-1kworker/1:0H07:55:011
3082733995836,21cyclictest996569-1kworker/1:0H07:50:001
3082733995741,15cyclictest996569-1kworker/1:0H08:40:461
3082733995741,15cyclictest3156965-21kworker/1:009:55:141
3082733995741,15cyclictest3119151-21kworker/1:109:15:141
3082733995741,15cyclictest3103451-21kworker/1:108:25:141
3082733995740,16cyclictest996569-1kworker/1:0H12:10:151
3082733995740,16cyclictest3241430-21kworker/1:011:31:431
308273399570,55cyclictest0-21swapper/107:35:231
3082735995650,4cyclictest3481646-1kworker/2:1H10:01:432
3082733995652,2cyclictest0-21swapper/107:56:151
3082733995640,15cyclictest996569-1kworker/1:0H08:45:141
3082733995640,15cyclictest996569-1kworker/1:0H07:15:151
3082733995640,15cyclictest3167534-21kworker/1:110:20:001
3082733995639,16cyclictest3227216-21kworker/1:111:20:171
3082733995538,16cyclictest3241430-21kworker/1:011:25:151
3082733995538,16cyclictest3162807-21kworker/1:210:00:141
3082733995537,17cyclictest996569-1kworker/1:0H09:45:201
3082733995537,17cyclictest3241430-21kworker/1:011:40:161
3082733995537,17cyclictest3109634-21kworker/1:208:35:161
3082733995537,17cyclictest3103451-21kworker/1:108:15:161
3082736995448,3cyclictest493060-1kworker/3:0H08:55:153
3082736995447,4cyclictest493060-1kworker/3:0H09:15:143
3082733995449,3cyclictest0-21swapper/110:37:191
3082733995438,15cyclictest3131329-21kworker/1:209:25:361
308273399540,52cyclictest0-21swapper/110:11:441
3082735995349,3cyclictest3131154-21kworker/2:109:25:282
3082735995348,3cyclictest3481646-1kworker/2:1H12:25:432
3082733995350,2cyclictest0-21swapper/110:17:401
3082736995248,2cyclictest3101961-21kworker/3:208:50:453
3082735995248,3cyclictest3298529-21kworker/2:212:30:472
3082735995247,3cyclictest3481646-1kworker/2:1H09:41:002
3082735995247,3cyclictest3164438-21kworker/2:010:05:192
3082733995236,15cyclictest3217686-21kworker/1:111:00:151
3082736995045,3cyclictest493060-1kworker/3:0H07:35:173
3082736995044,3cyclictest493060-1kworker/3:0H09:55:153
3082735995045,3cyclictest3228811-21kworker/2:211:10:552
3082732995047,2cyclictest3115801-21kworker/0:209:06:440
3082732995045,3cyclictest2712751-1kworker/0:2H10:35:090
3082736994945,2cyclictest3118949-21kworker/3:109:12:083
3082732994945,2cyclictest2712751-1kworker/0:2H08:27:140
3082732994944,3cyclictest2712751-1kworker/0:2H08:58:150
3082736994843,3cyclictest493060-1kworker/3:0H12:03:243
3082736994843,3cyclictest493060-1kworker/3:0H12:03:243
3082736994843,3cyclictest493060-1kworker/3:0H11:53:153
3082736994843,3cyclictest493060-1kworker/3:0H09:07:443
3082736994843,3cyclictest493060-1kworker/3:0H07:10:143
3082735994843,3cyclictest3481646-1kworker/2:1H11:05:052
3082732994845,1cyclictest2712751-1kworker/0:2H09:01:530
3082732994843,3cyclictest2712751-1kworker/0:2H10:30:150
3082736994744,2cyclictest3101961-21kworker/3:208:33:143
3082736994743,3cyclictest3118949-21kworker/3:110:04:193
3082736994742,3cyclictest1068061-21kworker/3:107:54:123
3082735994745,1cyclictest3118903-21kworker/2:109:07:102
3082735994742,3cyclictest3481646-1kworker/2:1H10:30:162
3082735994742,3cyclictest3082633-21kworker/2:307:25:182
3082732994743,2cyclictest2712751-1kworker/0:2H07:53:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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