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2026-11-05 - 23:10
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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 05, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241386399382379,2cyclictest2544006-21kworker/7:211:02:027
241386399381379,2cyclictest2574089-21kworker/7:112:27:027
241386399381379,2cyclictest2426440-21kworker/7:008:17:027
241386399381379,1cyclictest3878356-21kworker/7:107:14:027
241386399381379,1cyclictest2607173-21kworker/7:012:34:027
241386399381379,1cyclictest2426440-21kworker/7:008:13:027
241386399381379,1cyclictest2426440-21kworker/7:008:13:027
2413863993811,379cyclictest0-21swapper/709:09:027
241386399380379,1cyclictest2492708-21kworker/7:110:22:027
241386399380379,1cyclictest2492708-21kworker/7:109:46:027
241386399380379,1cyclictest2426440-21kworker/7:008:49:027
241386399380378,1cyclictest2474810-21kworker/7:308:59:027
241386399380378,1cyclictest2426440-21kworker/7:007:47:027
2413863993800,379cyclictest0-21swapper/710:33:027
2413863993800,379cyclictest0-21swapper/707:39:027
241386399379378,1cyclictest2574089-21kworker/7:112:13:027
241386399379378,1cyclictest2492708-21kworker/7:110:09:027
241386399379378,1cyclictest2426440-21kworker/7:008:38:027
241386399379378,1cyclictest2426440-21kworker/7:007:41:027
241386399379377,1cyclictest2544006-21kworker/7:211:21:027
241386399379377,1cyclictest2492708-21kworker/7:109:59:027
241386399379377,1cyclictest2426440-21kworker/7:007:59:027
2413863993790,1cyclictest0-21swapper/711:18:027
241386399378377,1cyclictest2426440-21kworker/7:008:04:027
241386399378377,1cyclictest2426440-21kworker/7:007:54:027
241383599356355,1cyclictest0-21swapper/308:55:023
241383599355354,1cyclictest0-21swapper/308:40:023
241383599354352,1cyclictest0-21swapper/309:40:023
241383599354352,1cyclictest0-21swapper/309:40:023
241383599353351,1cyclictest0-21swapper/311:05:023
241383599353351,1cyclictest0-21swapper/310:30:023
241383599353351,1cyclictest0-21swapper/309:50:023
241383599353351,1cyclictest0-21swapper/308:10:023
241383599353351,1cyclictest0-21swapper/308:10:023
241383599353351,1cyclictest0-21swapper/307:55:023
241383599352350,1cyclictest0-21swapper/312:00:023
241383599352350,1cyclictest0-21swapper/311:30:013
241383599352350,1cyclictest0-21swapper/307:32:023
241383599350349,1cyclictest0-21swapper/310:01:023
241383599347345,1cyclictest2534885-21kworker/3:211:45:023
241383599346345,1cyclictest2534885-21kworker/3:211:11:023
241383599346345,1cyclictest2534885-21kworker/3:211:11:023
241383599345344,1cyclictest2401660-21kworker/3:109:15:023
241383599344343,1cyclictest2534885-21kworker/3:210:55:023
241383599344343,1cyclictest2401660-21kworker/3:107:50:023
241383599344343,1cyclictest2401660-21kworker/3:107:35:023
241383599343342,1cyclictest2534885-21kworker/3:211:55:013
241383599343342,1cyclictest0-21swapper/312:35:023
241383599343341,1cyclictest0-21swapper/310:05:023
241383599342341,1cyclictest2534885-21kworker/3:211:18:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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