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2025-12-21 - 17:44
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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 Sun Dec 21, 2025 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
348910999373372,1cyclictest3571125-21kworker/4:110:54:024
348908599353352,1cyclictest3725803-21kworker/1:011:43:011
348908599352351,1cyclictest3725803-21kworker/1:009:10:021
348908599351350,1cyclictest3725803-21kworker/1:008:35:021
348908599351350,1cyclictest3725803-21kworker/1:007:35:021
348908599351348,2cyclictest3725803-21kworker/1:007:30:021
348908599349348,1cyclictest3725803-21kworker/1:011:06:021
348908599349348,1cyclictest3725803-21kworker/1:008:05:021
348908599349348,1cyclictest0-21swapper/110:25:021
348908599349347,2cyclictest3725803-21kworker/1:010:01:021
348908599348347,1cyclictest3725803-21kworker/1:009:36:021
348908599348347,1cyclictest3725803-21kworker/1:009:33:021
348908599348347,1cyclictest0-21swapper/108:17:021
348908599348347,1cyclictest0-21swapper/107:59:021
348908599348347,1cyclictest0-21swapper/107:59:021
348908599348346,2cyclictest3725803-21kworker/1:010:40:021
348908599348346,1cyclictest3725803-21kworker/1:009:18:021
348908599347346,1cyclictest3725803-21kworker/1:010:24:021
348908599347346,1cyclictest0-21swapper/111:51:011
348908599347346,1cyclictest0-21swapper/109:29:021
348908599347346,1cyclictest0-21swapper/109:29:021
348908599347346,1cyclictest0-21swapper/108:13:021
348908599347345,1cyclictest3725803-21kworker/1:012:29:011
348908599347345,1cyclictest3725803-21kworker/1:012:29:011
348908599347345,1cyclictest3725803-21kworker/1:011:33:011
348908599347345,1cyclictest3725803-21kworker/1:010:59:021
348908599347345,1cyclictest3725803-21kworker/1:010:59:021
348908599346345,1cyclictest3725803-21kworker/1:010:12:021
348908599346345,1cyclictest3725803-21kworker/1:009:03:021
348908599346345,1cyclictest3725803-21kworker/1:007:29:021
348908599346345,1cyclictest3725803-21kworker/1:007:19:021
348908599346344,1cyclictest0-21swapper/111:11:021
348908599345344,1cyclictest3725803-21kworker/1:012:13:021
348908599344342,1cyclictest3725803-21kworker/1:010:34:021
348910999340339,1cyclictest42-21ksoftirqd/408:26:024
348910999336335,1cyclictest3571125-21kworker/4:109:35:014
348910999335333,1cyclictest0-21swapper/407:50:024
348910999335333,1cyclictest0-21swapper/407:31:024
348910999334333,1cyclictest0-21swapper/408:12:024
348910999334332,1cyclictest3571125-21kworker/4:112:00:014
348910999331330,1cyclictest3571125-21kworker/4:111:12:024
348910999330329,1cyclictest3553085-21kworker/4:209:21:024
348910999330329,1cyclictest3463058-21kworker/4:008:49:024
348910999330329,1cyclictest0-21swapper/409:55:024
348910999330328,1cyclictest3571125-21kworker/4:112:28:014
348910999330328,1cyclictest3571125-21kworker/4:112:28:014
348910999330328,1cyclictest3553085-21kworker/4:209:19:024
348910999330328,1cyclictest3463058-21kworker/4:008:15:024
348910999330328,1cyclictest0-21swapper/412:21:024
348910999330328,1cyclictest0-21swapper/408:52:024
348910999330328,1cyclictest0-21swapper/408:43:024
348910999330328,1cyclictest0-21swapper/407:14:024
348910999329328,1cyclictest3463058-21kworker/4:007:55:024
348910999329328,1cyclictest3463058-21kworker/4:007:55:024
348910999329328,1cyclictest3463058-21kworker/4:007:17:024
348910999329328,1cyclictest0-21swapper/411:38:014
348910999329328,1cyclictest0-21swapper/410:57:024
348910999329328,1cyclictest0-21swapper/410:57:024
348910999329328,1cyclictest0-21swapper/409:01:024
348910999329328,1cyclictest0-21swapper/407:47:024
348910999329327,1cyclictest0-21swapper/409:45:024
348910999329326,2cyclictest0-21swapper/412:14:024
348910999328327,1cyclictest0-21swapper/412:35:014
348910999328327,1cyclictest0-21swapper/412:05:014
348910999328327,1cyclictest0-21swapper/411:01:024
348910999328327,1cyclictest0-21swapper/410:47:024
348910999328327,1cyclictest0-21swapper/410:33:024
348910999328327,1cyclictest0-21swapper/409:14:024
348910999328327,1cyclictest0-21swapper/409:06:024
348910999328327,1cyclictest0-21swapper/408:21:024
348910999328326,1cyclictest3571125-21kworker/4:110:20:024
348910999328326,1cyclictest3463058-21kworker/4:008:00:024
348910999327326,1cyclictest3571125-21kworker/4:111:40:014
348910999327326,1cyclictest3571125-21kworker/4:110:10:024
348910999327326,1cyclictest0-21swapper/410:37:024
348910999327326,1cyclictest0-21swapper/409:43:024
348910999326325,1cyclictest3571125-21kworker/4:110:07:024
348910999326324,1cyclictest3571125-21kworker/4:111:31:014
348910999326324,1cyclictest3571125-21kworker/4:111:27:014
348910999326324,1cyclictest3571125-21kworker/4:110:42:014
348910999326324,1cyclictest3571125-21kworker/4:110:04:024
348910999325324,1cyclictest3571125-21kworker/4:110:18:014
348910999325324,1cyclictest3463058-21kworker/4:007:23:014
348910999325323,1cyclictest3571125-21kworker/4:111:54:014
348910999325323,1cyclictest3571125-21kworker/4:111:24:014
348910999325323,1cyclictest3463058-21kworker/4:008:07:024
348910999325323,1cyclictest3463058-21kworker/4:007:37:024
348910999324323,1cyclictest3553085-21kworker/4:208:57:024
348910999323321,1cyclictest3571125-21kworker/4:111:48:014
348910999322321,1cyclictest3571125-21kworker/4:111:19:014
348910999322321,1cyclictest3463058-21kworker/4:008:37:024
348910999321320,1cyclictest3571125-21kworker/4:111:56:024
348910999320319,1cyclictest3571125-21kworker/4:109:52:024
348909399306305,1cyclictest0-21swapper/209:40:012
348909399303301,1cyclictest0-21swapper/211:00:012
348909399302300,1cyclictest0-21swapper/212:01:022
348909399302300,1cyclictest0-21swapper/211:25:022
348909399301300,1cyclictest0-21swapper/209:25:012
348909399301300,1cyclictest0-21swapper/209:25:012
348909399301300,1cyclictest0-21swapper/207:20:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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