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2026-04-06 - 23:33
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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 Mon Apr 06, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
135063399373372,1cyclictest1405603-21kworker/1:010:01:021
135063399370369,1cyclictest1405603-21kworker/1:008:50:021
135063399370368,1cyclictest1632624-21kworker/1:208:01:011
135063399369368,1cyclictest1405603-21kworker/1:010:25:021
135063399369368,1cyclictest1405603-21kworker/1:010:25:011
135063399369367,1cyclictest1405603-21kworker/1:009:35:011
135063399368367,1cyclictest1632624-21kworker/1:208:11:011
135063399368367,1cyclictest1632624-21kworker/1:207:19:021
135063399368367,1cyclictest1405603-21kworker/1:010:17:011
135063399368366,1cyclictest1405603-21kworker/1:009:45:011
135063399367366,1cyclictest1405603-21kworker/1:010:13:021
135063399367366,1cyclictest1405603-21kworker/1:009:10:011
135063399367365,1cyclictest1632624-21kworker/1:207:40:011
135063399366365,1cyclictest1438546-21kworker/1:309:34:011
135063399366365,1cyclictest1405603-21kworker/1:010:35:021
135063399366365,1cyclictest1405603-21kworker/1:009:58:021
135063399366365,1cyclictest1405603-21kworker/1:009:43:011
135063399366364,1cyclictest1632624-21kworker/1:207:48:011
135063399365364,1cyclictest1632624-21kworker/1:208:23:011
135063399365364,1cyclictest1537735-21kworker/1:112:21:011
135063399365364,1cyclictest1528945-21kworker/1:212:13:011
135063399365364,1cyclictest1405603-21kworker/1:012:08:021
135063399365364,1cyclictest1405603-21kworker/1:011:06:011
135063399365364,1cyclictest1405603-21kworker/1:008:47:021
135063399365363,1cyclictest1632624-21kworker/1:208:28:021
135063399364363,1cyclictest1632624-21kworker/1:207:27:021
135063399364363,1cyclictest1632624-21kworker/1:207:22:011
135063399364363,1cyclictest1405603-21kworker/1:011:21:011
135063399364363,1cyclictest1405603-21kworker/1:009:52:021
135063399364363,1cyclictest1405603-21kworker/1:009:09:011
135063399364362,1cyclictest1405603-21kworker/1:011:37:021
135063399364362,1cyclictest1405603-21kworker/1:010:57:011
135063399364362,1cyclictest1405603-21kworker/1:010:43:021
135064199363362,1cyclictest1441704-21kworker/2:011:38:022
135063399363362,1cyclictest1537735-21kworker/1:112:29:031
135063399363362,1cyclictest1405603-21kworker/1:011:34:031
135063399363362,1cyclictest1405603-21kworker/1:010:53:011
135063399363362,1cyclictest1405603-21kworker/1:010:24:021
135063399363362,1cyclictest1405603-21kworker/1:010:09:021
135063399362361,1cyclictest1632624-21kworker/1:208:36:021
135063399362361,1cyclictest1405603-21kworker/1:011:02:021
135063399362361,1cyclictest1405603-21kworker/1:008:58:021
135063399361360,1cyclictest1405603-21kworker/1:010:34:021
135062699349348,1cyclictest1393557-21kworker/0:008:20:020
135062699349348,1cyclictest0-21swapper/009:25:020
135062699348347,1cyclictest1393557-21kworker/0:010:14:020
135062699348346,1cyclictest0-21swapper/011:33:020
135062699347346,1cyclictest0-21swapper/008:10:020
135062699347346,1cyclictest0-21swapper/007:15:010
135062699347345,1cyclictest0-21swapper/010:31:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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