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2025-11-06 - 11:02
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Thu Nov 06, 2025 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208838421190,5sleep00-21swapper/019:05:280
208872329342,12sleep50-21swapper/519:09:455
2088972999116,41cyclictest0-21swapper/622:28:126
23516422900,1sleep7621rcuc/723:36:277
23516422900,1sleep7621rcuc/723:36:277
2088972998916,40cyclictest0-21swapper/619:23:116
2088972998816,37cyclictest0-21swapper/600:23:116
216999860,72rtkit-daemon0-21swapper/619:08:286
2088979998521,35cyclictest0-21swapper/719:13:117
2088979998521,35cyclictest0-21swapper/719:13:117
2088972998516,35cyclictest0-21swapper/623:13:116
208856928445,13sleep20-21swapper/219:07:332
2088972998015,34cyclictest0-21swapper/621:38:126
23670952780,0sleep30-21swapper/323:50:013
2088965997815,27cyclictest0-21swapper/519:58:115
2088972997517,33cyclictest0-21swapper/620:53:116
24166822740,0sleep50-21swapper/500:28:555
21226712740,0sleep20-21swapper/220:00:192
21006032740,0sleep70-21swapper/719:25:167
21279522730,0sleep442-21ksoftirqd/420:10:144
2088972997316,35cyclictest0-21swapper/622:03:126
208850027347,13sleep70-21swapper/719:06:337
22409652720,1sleep442-21ksoftirqd/422:10:134
21831002700,0sleep70-21swapper/721:24:347
23594802690,1sleep121-21ksoftirqd/123:43:341
22316092690,0sleep00-21swapper/022:01:360
21449972690,0sleep40-21swapper/420:35:214
2088934996615,35cyclictest0-21swapper/122:48:111
208843026647,13sleep40-21swapper/419:05:334
2088934996515,39cyclictest0-21swapper/119:48:111
208851226547,12sleep10-21swapper/119:06:431
2088934996416,37cyclictest0-21swapper/121:08:121
2088934996415,37cyclictest0-21swapper/120:18:111
208846026445,13sleep30-21swapper/319:05:563
22204242600,0sleep30-21swapper/321:53:383
2088958996014,36cyclictest0-21swapper/423:58:114
2088958995814,37cyclictest0-21swapper/421:28:114
2088958995715,35cyclictest0-21swapper/423:33:114
2088926994615,31cyclictest0-21swapper/023:23:110
2088965994018,22cyclictest0-21swapper/520:43:115
2088965994018,22cyclictest0-21swapper/520:43:115
2088965993925,14cyclictest49-21ksoftirqd/520:08:115
2088965993916,23cyclictest0-21swapper/522:13:115
2088965993916,23cyclictest0-21swapper/519:33:115
2088965993815,23cyclictest0-21swapper/521:53:115
2088965993725,12cyclictest0-21swapper/500:33:115
2088965993715,22cyclictest0-21swapper/523:03:115
2088965993714,23cyclictest0-21swapper/500:08:115
2088965993520,15cyclictest49-21ksoftirqd/520:33:115
24119202340,0sleep00-21swapper/000:25:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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