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2026-06-17 - 19:30
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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 rackcslot8.osadl.org (updated Wed Jun 17, 2026 12:49:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273913160,308ptp4l0-21swapper/107:05:431
163269929092,27cyclictest151rcu_preempt10:32:3517
16273991568,146cyclictest0-21swapper/1712:01:559
16244991550,141cyclictest0-21swapper/1008:25:262
16273991548,114cyclictest0-21swapper/1711:42:419
16273991548,103cyclictest0-21swapper/1709:54:439
16273991547,129cyclictest0-21swapper/1708:55:239
16273991547,119cyclictest0-21swapper/1712:30:159
162449915421,106cyclictest0-21swapper/1008:05:252
16273991538,124cyclictest0-21swapper/1709:47:139
16273991538,117cyclictest0-21swapper/1709:18:549
16273991537,117cyclictest0-21swapper/1711:25:349
16273991537,106cyclictest0-21swapper/1711:48:019
16273991527,133cyclictest0-21swapper/1710:00:039
16273991527,117cyclictest0-21swapper/1710:57:479
16273991527,117cyclictest0-21swapper/1710:57:479
16273991508,140cyclictest0-21swapper/1710:52:269
16273991508,140cyclictest0-21swapper/1710:52:269
16273991507,112cyclictest0-21swapper/1712:25:089
16273991498,95cyclictest0-21swapper/1709:10:539
16248991480,89cyclictest0-21swapper/1107:10:013
16273991468,137cyclictest0-21swapper/1711:53:079
16273991467,94cyclictest0-21swapper/1709:55:479
162979914526,99cyclictest0-21swapper/2010:10:2213
16244991450,90cyclictest0-21swapper/1012:14:382
16273991447,94cyclictest0-21swapper/1712:11:009
16273991438,134cyclictest0-21swapper/1709:05:009
162699914320,106cyclictest0-21swapper/1611:15:488
16260991439,85cyclictest0-21swapper/1410:13:546
162979914246,30cyclictest0-21swapper/2009:15:0013
16241991420,83cyclictest0-21swapper/911:25:1431
1630999141138,0cyclictest149-21ksoftirqd/2212:25:1815
16297991410,83cyclictest0-21swapper/2012:00:2413
162699914119,93cyclictest0-21swapper/1611:59:358
163269914026,56cyclictest0-21swapper/2409:25:1517
162979914054,58cyclictest0-21swapper/2011:32:5413
162449914063,46cyclictest0-21swapper/1010:34:152
162449913929,54cyclictest0-21swapper/1012:25:202
16297991380,78cyclictest0-21swapper/2010:20:1313
162449913852,57cyclictest0-21swapper/1011:08:532
162449913852,57cyclictest0-21swapper/1011:08:532
16213991380,82cyclictest0-21swapper/210:30:1612
162979913747,55cyclictest0-21swapper/2010:59:5413
162979913747,55cyclictest0-21swapper/2010:59:5413
162979913744,60cyclictest0-21swapper/2012:26:5313
16297991370,82cyclictest0-21swapper/2009:05:2313
16297991370,81cyclictest0-21swapper/2007:50:1013
16260991379,80cyclictest0-21swapper/1410:33:586
16260991378,104cyclictest0-21swapper/1408:30:146
162449913753,57cyclictest0-21swapper/1010:04:472
162449913729,67cyclictest0-21swapper/1007:22:492
16241991370,83cyclictest0-21swapper/912:10:2031
16241991370,82cyclictest0-21swapper/912:00:4431
162979913651,61cyclictest0-21swapper/2007:32:3213
162979913650,54cyclictest0-21swapper/2012:24:1213
162979913642,61cyclictest0-21swapper/2011:50:0113
16297991360,82cyclictest0-21swapper/2007:15:0113
162449913632,70cyclictest0-21swapper/1009:04:532
162449913628,67cyclictest0-21swapper/1008:39:142
162449913627,64cyclictest0-21swapper/1009:05:252
16244991360,80cyclictest0-21swapper/1008:15:122
16241991360,84cyclictest0-21swapper/911:39:5231
162979913531,66cyclictest0-21swapper/2011:39:5913
162979913527,71cyclictest0-21swapper/2010:08:2713
16297991350,80cyclictest0-21swapper/2011:55:2113
16297991350,80cyclictest0-21swapper/2008:50:0113
16273991358,93cyclictest0-21swapper/1709:25:079
16260991359,92cyclictest0-21swapper/1410:50:146
16260991359,92cyclictest0-21swapper/1410:50:146
162449913550,58cyclictest0-21swapper/1011:13:102
162449913550,58cyclictest0-21swapper/1011:13:102
162449913530,58cyclictest0-21swapper/1011:45:142
162449913528,70cyclictest0-21swapper/1009:29:452
162449913526,65cyclictest0-21swapper/1008:33:382
162979913427,67cyclictest0-21swapper/2009:29:5813
16297991340,79cyclictest0-21swapper/2010:38:3813
16297991340,78cyclictest0-21swapper/2011:15:1413
16297991340,78cyclictest0-21swapper/2009:15:0113
16273991347,90cyclictest0-21swapper/1711:39:459
16269991348,19cyclictest0-21swapper/1608:34:048
162699913453,60cyclictest0-21swapper/1611:43:008
162699913426,60cyclictest0-21swapper/1610:08:568
162699913422,71cyclictest0-21swapper/1611:26:558
162449913451,54cyclictest0-21swapper/1010:20:482
162449913429,71cyclictest0-21swapper/1008:20:022
162449913426,66cyclictest0-21swapper/1007:25:312
162449913421,58cyclictest0-21swapper/1012:16:462
148822134126,6sleep190-21swapper/1907:08:1711
330891133125,6phc2sys0-21swapper/207:06:0112
16297991330,78cyclictest0-21swapper/2011:40:2313
16297991330,76cyclictest0-21swapper/2008:40:1613
162489913350,56cyclictest0-21swapper/1110:05:183
162449913352,57cyclictest0-21swapper/1010:41:442
162449913352,57cyclictest0-21swapper/1010:41:442
162449913334,66cyclictest0-21swapper/1011:30:152
162449913330,71cyclictest0-21swapper/1010:50:112
162449913330,71cyclictest0-21swapper/1010:50:112
162449913328,67cyclictest0-21swapper/1011:04:052
162449913328,67cyclictest0-21swapper/1011:04:052
162449913328,67cyclictest0-21swapper/1007:10:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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