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2026-09-17 - 00:17
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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 50 highest latencies:
System rackeslot3.osadl.org (updated Wed Sep 16, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2887401996937,29cyclictest2990824-21kworker/1:210:25:141
2887401996937,29cyclictest2990824-21kworker/1:210:25:141
2887401996638,15cyclictest2894497-21kworker/1:307:35:151
2887401996538,25cyclictest2993377-21kworker/1:310:30:151
2887401996538,15cyclictest2912904-21kworker/1:108:30:121
2887401996435,16cyclictest3109490-21kworker/1:312:35:151
288740199640,62cyclictest0-21swapper/111:28:221
2887401996333,18cyclictest2897592-21kworker/1:107:40:161
2887401996333,18cyclictest2897592-21kworker/1:107:40:151
2887401996240,21cyclictest2351111-1kworker/1:0H11:05:481
2887401996238,14cyclictest2351111-1kworker/1:0H09:25:141
2887401996236,17cyclictest3061722-21kworker/1:211:45:171
2887401996146,14cyclictest2894497-21kworker/1:307:30:141
2887401996143,16cyclictest2912904-21kworker/1:109:00:161
2887401996137,14cyclictest2897592-21kworker/1:107:55:151
2887401996042,17cyclictest2887159-21kworker/1:207:10:161
2887401996041,18cyclictest3080562-21kworker/1:112:30:001
2887401996040,18cyclictest3027158-21kworker/1:111:10:011
2887401996036,23cyclictest3008024-21kworker/1:211:00:161
2887401995943,15cyclictest3008024-21kworker/1:210:46:511
2887401995942,16cyclictest3066375-21kworker/1:012:00:121
2887401995941,17cyclictest3027158-21kworker/1:111:40:161
2887401995941,16cyclictest2351111-1kworker/1:0H08:45:151
2887401995930,15cyclictest2942259-21kworker/1:109:30:151
2887401995843,14cyclictest3080562-21kworker/1:112:30:021
2887401995843,14cyclictest3027158-21kworker/1:111:39:561
2887401995843,14cyclictest2946695-21kworker/1:309:35:011
2887401995842,15cyclictest2890386-21kworker/1:007:20:131
2887401995832,16cyclictest2890386-21kworker/1:007:17:391
2887401995742,14cyclictest3066375-21kworker/1:012:05:151
2887401995742,14cyclictest3066375-21kworker/1:011:53:501
2887401995742,14cyclictest2960998-21kworker/1:009:50:131
2887401995742,14cyclictest2909556-21kworker/1:208:25:151
2887401995742,14cyclictest2890386-21kworker/1:007:28:261
2887401995742,14cyclictest2351111-1kworker/1:0H11:16:441
2887401995741,15cyclictest2925489-21kworker/1:009:15:071
2887401995741,15cyclictest2925489-21kworker/1:009:15:061
2887401995741,15cyclictest2897592-21kworker/1:107:48:261
2887401995741,14cyclictest3027158-21kworker/1:111:20:151
2887401995740,16cyclictest2970612-21kworker/1:010:20:131
2887401995739,17cyclictest2912904-21kworker/1:108:50:151
2887401995654,1cyclictest0-21swapper/109:46:261
2887401995641,14cyclictest2909556-21kworker/1:208:20:181
2887401995640,15cyclictest3008024-21kworker/1:210:51:261
2887401995640,15cyclictest2923949-21kworker/1:209:10:211
2887401995639,16cyclictest3080562-21kworker/1:112:15:151
2887401995639,16cyclictest3002445-21kworker/1:110:40:161
2887401995639,16cyclictest3002445-21kworker/1:110:40:151
2887401995637,18cyclictest2932404-21kworker/1:209:20:141
2887401995540,14cyclictest3066375-21kworker/1:011:55:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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