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2026-08-15 - 16:29
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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 rackcslot6.osadl.org (updated Sat Aug 15, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263697599355354,1cyclictest2728036-21kworker/3:011:46:023
263697599352351,1cyclictest0-21swapper/312:20:023
263694999349348,1cyclictest2773157-21kworker/0:112:01:020
263697599347346,1cyclictest0-21swapper/310:10:013
263697599347346,1cyclictest0-21swapper/308:00:023
263697599347346,1cyclictest0-21swapper/308:00:023
263694999347346,1cyclictest2773157-21kworker/0:112:17:020
263694999347346,1cyclictest0-21swapper/012:09:020
263694999347345,1cyclictest2773157-21kworker/0:112:12:020
263697599346345,1cyclictest0-21swapper/309:55:023
263697599346345,1cyclictest0-21swapper/309:43:013
263694999346344,1cyclictest0-21swapper/011:50:020
263694999345344,1cyclictest2773157-21kworker/0:112:29:020
263694999345344,1cyclictest2773157-21kworker/0:112:29:020
263694999345343,1cyclictest2911832-21kworker/0:208:19:020
263697599344343,1cyclictest0-21swapper/312:10:023
263694999344343,1cyclictest0-21swapper/012:34:020
263697599343342,1cyclictest2728036-21kworker/3:011:25:013
263697599343342,1cyclictest2728036-21kworker/3:010:20:023
263697599343342,1cyclictest2679910-21kworker/3:208:32:023
263697599343342,1cyclictest0-21swapper/310:30:023
263697599343342,1cyclictest0-21swapper/308:50:013
263694999343342,1cyclictest2911832-21kworker/0:209:41:010
263697599342341,1cyclictest2728036-21kworker/3:010:35:023
263697599342341,1cyclictest2658852-21kworker/3:108:06:023
263697599342341,1cyclictest0-21swapper/311:10:013
263697599342341,1cyclictest0-21swapper/307:25:023
263697599342340,1cyclictest2679910-21kworker/3:209:33:023
263697599342340,1cyclictest2679910-21kworker/3:209:33:023
263694999342341,1cyclictest0-21swapper/010:08:020
263694999342341,1cyclictest0-21swapper/008:45:010
263697599341339,1cyclictest0-21swapper/311:02:023
263694999341340,1cyclictest0-21swapper/008:37:020
263694999341339,1cyclictest2911832-21kworker/0:209:16:020
263697599340339,1cyclictest2658852-21kworker/3:108:18:023
263697599340339,1cyclictest0-21swapper/310:49:013
263697599340339,1cyclictest0-21swapper/308:59:013
263697599340339,1cyclictest0-21swapper/308:43:013
263697599340339,1cyclictest0-21swapper/308:27:023
263697599340339,1cyclictest0-21swapper/307:21:023
263694999340339,1cyclictest2911832-21kworker/0:208:05:020
263694999340338,2cyclictest2911832-21kworker/0:209:25:020
263697599339338,1cyclictest2679910-21kworker/3:208:36:023
263697599339338,1cyclictest0-21swapper/312:36:023
263697599339338,1cyclictest0-21swapper/312:16:023
263697599339338,1cyclictest0-21swapper/311:43:023
263697599339338,1cyclictest0-21swapper/311:24:013
263697599339338,1cyclictest0-21swapper/310:26:023
263697599339338,1cyclictest0-21swapper/309:06:013
263697599339338,1cyclictest0-21swapper/307:59:023
263697599339338,1cyclictest0-21swapper/307:52:023
263697599339338,1cyclictest0-21swapper/307:48:023
263697599339338,1cyclictest0-21swapper/307:37:023
263697599339338,1cyclictest0-21swapper/307:13:023
263694999339338,1cyclictest2911832-21kworker/0:207:50:020
263694999339338,1cyclictest2911832-21kworker/0:207:32:020
263694999339338,1cyclictest2773157-21kworker/0:110:55:020
263694999339338,1cyclictest2773157-21kworker/0:110:55:020
263694999339338,1cyclictest0-21swapper/009:10:010
263694999339337,1cyclictest0-21swapper/010:01:020
263697599338337,1cyclictest0-21swapper/311:31:023
263697599338337,1cyclictest0-21swapper/308:49:023
263694999338337,1cyclictest2911832-21kworker/0:210:39:020
263694999338337,1cyclictest2773157-21kworker/0:111:22:010
263694999338337,1cyclictest0-21swapper/010:32:020
263694999338337,1cyclictest0-21swapper/009:50:020
263694999338336,1cyclictest2773157-21kworker/0:111:26:010
263697599337336,1cyclictest0-21swapper/309:21:013
263694999337336,1cyclictest0-21swapper/008:24:020
263694999337336,1cyclictest0-21swapper/008:11:020
263694999337336,1cyclictest0-21swapper/007:38:020
263694999337335,1cyclictest0-21swapper/011:36:020
263694999337335,1cyclictest0-21swapper/009:56:020
263694999337335,1cyclictest0-21swapper/008:33:020
263694999336335,1cyclictest2911832-21kworker/0:207:42:020
263694999336335,1cyclictest2773157-21kworker/0:111:44:020
263694999336335,1cyclictest0-21swapper/011:06:020
263694999336335,1cyclictest0-21swapper/010:48:010
263694999336334,1cyclictest2911832-21kworker/0:210:22:020
263694999336334,1cyclictest2911832-21kworker/0:209:23:010
263694999336334,1cyclictest0-21swapper/007:11:010
263694999335334,1cyclictest2911832-21kworker/0:207:29:020
263694999335334,1cyclictest2773157-21kworker/0:111:16:020
263694999335334,1cyclictest0-21swapper/011:59:020
263694999335334,1cyclictest0-21swapper/011:01:020
263694999335334,1cyclictest0-21swapper/010:42:020
263694999335334,1cyclictest0-21swapper/010:29:020
263694999335334,1cyclictest0-21swapper/010:16:020
263694999335334,1cyclictest0-21swapper/008:42:020
263694999335333,1cyclictest0-21swapper/009:02:020
263694999334333,1cyclictest2911832-21kworker/0:208:57:020
263694999334333,1cyclictest2773157-21kworker/0:112:23:020
263694999334333,1cyclictest0-21swapper/010:51:010
263694999333332,1cyclictest2911832-21kworker/0:209:46:020
263694999332331,1cyclictest2911832-21kworker/0:209:32:020
263694999332331,1cyclictest2911832-21kworker/0:209:32:020
263700499314313,1cyclictest0-21swapper/711:46:017
263696799314313,1cyclictest0-21swapper/211:48:012
263696799313312,1cyclictest0-21swapper/212:11:012
263696799312311,1cyclictest2688932-21kworker/2:111:57:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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