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2026-06-20 - 02:39
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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 Sat Jun 20, 2026 01:01:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1511199211167,38cyclictest0-21swapper/623:46:1536
1511199211167,38cyclictest0-21swapper/623:46:1436
1511199211167,38cyclictest0-21swapper/623:46:1436
1514199194158,22cyclictest0-21swapper/3100:06:1425
1514199194158,22cyclictest0-21swapper/3100:06:1425
1510799194162,30cyclictest0-21swapper/221:42:1012
1510799194162,30cyclictest0-21swapper/221:42:0912
1510799194162,30cyclictest0-21swapper/221:42:0912
1512699185143,29cyclictest0-21swapper/1700:06:149
1512699185143,29cyclictest0-21swapper/1700:06:149
1511199183166,15cyclictest0-21swapper/600:33:4036
1511199183166,15cyclictest0-21swapper/600:33:3936
1513599181172,7cyclictest0-21swapper/2600:09:1519
1513599181172,7cyclictest0-21swapper/2600:09:1519
1514199180142,27cyclictest0-21swapper/3100:24:2425
1514199180142,27cyclictest0-21swapper/3100:24:2425
1513299179161,15cyclictest0-21swapper/2323:55:2616
1513299179161,15cyclictest0-21swapper/2323:55:2616
1513299179161,15cyclictest0-21swapper/2323:55:2616
1511199179156,21cyclictest0-21swapper/623:25:4036
1511199179156,21cyclictest0-21swapper/623:25:4036
15126991772,170cyclictest3610-21CPU9
15126991772,170cyclictest3610-21CPU9
1510999177151,23cyclictest0-21swapper/400:16:1134
1510999177151,23cyclictest0-21swapper/400:16:1034
1510999177151,23cyclictest0-21swapper/400:16:1034
1512499175165,8cyclictest0-21swapper/1622:06:508
1512499175165,8cyclictest0-21swapper/1622:06:498
1511099174168,4cyclictest31776-21kworker/u81:2+events_unbound00:03:0235
1511099174168,4cyclictest31776-21kworker/u81:2+events_unbound00:03:0135
1511799173151,11cyclictest0-21swapper/1122:56:513
1511799173151,11cyclictest0-21swapper/1122:56:513
1515199171117,51cyclictest3610-21CPU31
1515199171117,51cyclictest3610-21CPU31
1511799170133,29cyclictest3542-21CPU3
1511799170133,29cyclictest3542-21CPU3
1515199169163,4cyclictest0-21swapper/3719:58:0731
1515199169158,6cyclictest0-21swapper/3723:47:3131
1515199169158,6cyclictest0-21swapper/3723:47:3031
1515199169158,6cyclictest0-21swapper/3723:47:3031
1514199169140,20cyclictest0-21swapper/3100:27:1625
1514199169140,20cyclictest0-21swapper/3100:27:1625
1514199169140,20cyclictest0-21swapper/3100:27:1625
1513699169134,16cyclictest0-21swapper/2722:00:0520
1513699169134,16cyclictest0-21swapper/2722:00:0520
1515199168140,12cyclictest0-21swapper/3721:14:2031
1515199168140,12cyclictest0-21swapper/3721:14:1931
1511199168133,31cyclictest0-21swapper/623:40:3236
1511199168133,31cyclictest0-21swapper/623:40:3136
151109916813,150cyclictest0-21swapper/523:05:1835
151109916813,150cyclictest0-21swapper/523:05:1835
1510799168139,22cyclictest37257-21qemu-system-x8622:25:5012
1510799168139,22cyclictest37257-21qemu-system-x8622:25:5012
1510799168139,22cyclictest37257-21qemu-system-x8622:25:5012
1514699167110,25cyclictest0-21swapper/3423:47:3228
1514699167110,25cyclictest0-21swapper/3423:47:3228
1514699167110,25cyclictest0-21swapper/3423:47:3228
1514099167146,19cyclictest0-21swapper/3021:18:4924
1514099167146,19cyclictest0-21swapper/3021:18:4924
15109991670,61cyclictest0-21swapper/419:15:1334
15109991670,61cyclictest0-21swapper/419:15:1334
1514699166156,9cyclictest0-21swapper/3421:45:0328
1514699166156,9cyclictest0-21swapper/3421:45:0228
1514699166156,9cyclictest0-21swapper/3421:45:0228
1510999166109,54cyclictest0-21swapper/421:11:4534
1510999166109,54cyclictest0-21swapper/421:11:4534
1515199165158,5cyclictest0-21swapper/3723:07:4031
1515199165158,5cyclictest0-21swapper/3723:07:4031
1514799165100,46cyclictest0-21swapper/3523:38:0429
1514799165100,46cyclictest0-21swapper/3523:38:0329
1512999165146,9cyclictest0-21swapper/2021:14:0813
1512999165146,9cyclictest0-21swapper/2021:14:0813
1511199165139,23cyclictest3543-21CPU36
1511199165139,23cyclictest3543-21CPU36
1511199165139,23cyclictest3543-21CPU36
1511199165103,45cyclictest0-21swapper/622:41:3136
1511199165103,45cyclictest0-21swapper/622:41:3036
1511199165103,45cyclictest0-21swapper/622:41:3036
15111991650,2cyclictest0-21swapper/619:20:2036
15111991650,2cyclictest0-21swapper/619:20:1936
1510999165137,24cyclictest0-21swapper/422:20:5134
1510999165137,24cyclictest0-21swapper/422:20:5134
1510599165161,3cyclictest17481-21nfsd19:20:180
1510599165161,3cyclictest17481-21nfsd19:20:170
1514199164119,41cyclictest4407-21CPU25
1514199164119,41cyclictest4407-21CPU25
1514199164119,41cyclictest4407-21CPU25
1514199164115,44cyclictest0-21swapper/3122:44:4825
1514199164115,44cyclictest0-21swapper/3122:44:4825
1514199164115,44cyclictest0-21swapper/3122:44:4825
1513499164143,17cyclictest0-21swapper/2521:40:0618
1512699164146,14cyclictest0-21swapper/1700:02:589
1512699164146,14cyclictest0-21swapper/1700:02:589
1512699164140,21cyclictest0-21swapper/1721:20:169
1512699164140,21cyclictest0-21swapper/1721:20:159
1514799163100,43cyclictest3545-21CPU29
1514799163100,43cyclictest3545-21CPU29
1512999163114,27cyclictest0-21swapper/2023:23:3513
1512999163114,27cyclictest0-21swapper/2023:23:3513
1512899163142,8cyclictest0-21swapper/1919:20:1811
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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