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2026-05-13 - 15:11
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Wed May 13, 2026 13:02:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11802992170,209cyclictest0-21swapper/1707:50:209
1182699201153,36cyclictest0-21swapper/3711:46:4131
1182699201153,36cyclictest0-21swapper/3711:46:4031
1182399183129,44cyclictest0-21swapper/3509:35:3029
1182399183129,44cyclictest0-21swapper/3509:35:2929
1178599180145,9cyclictest2447-21CPU23
1178599180145,9cyclictest2447-21CPU23
11802991791,173cyclictest0-21swapper/1708:00:199
11802991791,173cyclictest0-21swapper/1708:00:199
117969917984,70cyclictest3610-21CPU5
117969917984,70cyclictest3610-21CPU5
117969917984,70cyclictest3610-21CPU5
11802991780,175cyclictest0-21swapper/1708:06:349
11802991780,175cyclictest0-21swapper/1708:06:349
1179799178145,6cyclictest0-21swapper/1408:04:226
1179799178145,6cyclictest0-21swapper/1408:04:226
1182399175149,16cyclictest0-21swapper/3512:27:5229
1182399175149,16cyclictest0-21swapper/3512:27:5229
1182399175149,16cyclictest0-21swapper/3512:27:5229
1182399174126,36cyclictest0-21swapper/3510:30:2029
1182399174126,36cyclictest0-21swapper/3510:30:1929
11802991740,171cyclictest0-21swapper/1707:30:509
11802991740,171cyclictest0-21swapper/1707:30:509
1178599174128,28cyclictest0-21swapper/310:32:4823
1178599174128,28cyclictest0-21swapper/310:32:4723
118239917385,78cyclictest37265-21CPU29
118239917385,78cyclictest37265-21CPU29
11802991731,168cyclictest0-21swapper/1708:35:149
11802991731,168cyclictest0-21swapper/1708:35:139
11802991730,171cyclictest0-21swapper/1707:45:339
11802991730,171cyclictest0-21swapper/1707:45:329
11802991730,170cyclictest0-21swapper/1707:37:159
11802991730,170cyclictest0-21swapper/1707:37:149
1182399172161,8cyclictest0-21swapper/3509:19:4129
1182399172161,8cyclictest0-21swapper/3509:19:4029
11802991720,3cyclictest0-21swapper/1708:45:019
11802991720,3cyclictest0-21swapper/1708:45:019
117909917252,105cyclictest3541-21CPU37
117909917252,105cyclictest3541-21CPU37
117909917252,105cyclictest3541-21CPU37
1178299172148,5cyclictest0-21swapper/011:16:510
1178299172148,5cyclictest0-21swapper/011:16:500
11812991710,3cyclictest35894-21systemd09:50:1320
11812991710,3cyclictest35894-21systemd09:50:1320
11812991710,3cyclictest35894-21systemd09:50:1320
11802991710,3cyclictest0-21swapper/1708:10:409
11802991710,3cyclictest0-21swapper/1708:10:399
11802991710,168cyclictest0-21swapper/1708:30:269
11802991710,168cyclictest0-21swapper/1708:30:259
11802991710,167cyclictest0-21swapper/1707:25:269
11802991710,167cyclictest0-21swapper/1707:25:269
1182199170165,3cyclictest0-21swapper/3411:36:1928
1182199170165,3cyclictest0-21swapper/3411:36:1828
1182199170165,3cyclictest0-21swapper/3411:36:1828
1181299170127,39cyclictest0-21swapper/2711:52:1920
1181299170127,39cyclictest0-21swapper/2711:52:1920
11802991703,161cyclictest37270-21CPU9
11802991703,161cyclictest37270-21CPU9
11802991701,165cyclictest0-21swapper/1708:55:149
11802991701,165cyclictest0-21swapper/1708:55:149
11802991700,167cyclictest0-21swapper/1707:12:039
11802991700,167cyclictest0-21swapper/1707:12:029
1179099170125,36cyclictest0-21swapper/709:15:5637
1179099170125,36cyclictest0-21swapper/709:15:5537
1178299170145,10cyclictest0-21swapper/010:56:340
1178299170145,10cyclictest0-21swapper/010:56:340
1182399169146,12cyclictest0-21swapper/3509:10:0229
1182399169146,12cyclictest0-21swapper/3509:10:0229
11802991692,162cyclictest3542-21CPU9
11802991690,2cyclictest0-21swapper/1707:43:379
11802991690,2cyclictest0-21swapper/1707:43:379
1179799169146,4cyclictest0-21swapper/1409:31:286
1179799169146,4cyclictest0-21swapper/1409:31:276
1179799169146,4cyclictest0-21swapper/1409:31:276
1182399168142,23cyclictest0-21swapper/3510:15:1929
1182399168142,23cyclictest0-21swapper/3510:15:1929
1182399168142,23cyclictest0-21swapper/3510:15:1929
11802991670,2cyclictest0-21swapper/1708:26:279
11802991670,2cyclictest0-21swapper/1708:26:279
11802991670,162cyclictest0-21swapper/1708:20:149
11802991670,162cyclictest0-21swapper/1708:20:139
11791991672,7cyclictest37269-21CPU38
11791991672,7cyclictest37269-21CPU38
11791991672,7cyclictest37269-21CPU38
118119916694,56cyclictest0-21swapper/2609:00:3119
118119916694,56cyclictest0-21swapper/2609:00:3119
1179799166142,12cyclictest0-21swapper/1408:36:046
1179799166142,12cyclictest0-21swapper/1408:36:046
1179299166137,23cyclictest0-21swapper/909:48:3939
1179299166137,23cyclictest0-21swapper/909:48:3939
1178299166142,6cyclictest0-21swapper/011:24:350
1178299166142,6cyclictest0-21swapper/011:24:340
1178299166142,6cyclictest0-21swapper/011:24:340
1182399165143,15cyclictest0-21swapper/3509:55:1929
1182399165143,15cyclictest0-21swapper/3509:55:1929
1182399165143,15cyclictest0-21swapper/3509:55:1929
1182199165138,10cyclictest0-21swapper/3412:23:5528
1182199165138,10cyclictest0-21swapper/3412:23:5428
1181199165155,8cyclictest0-21swapper/2610:58:4319
1181199165155,8cyclictest0-21swapper/2610:58:4319
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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