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2026-06-24 - 14:31
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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 Wed Jun 24, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42172299385382,1cyclictest0-21swapper/719:55:027
42169199375373,1cyclictest0-21swapper/322:03:023
42169199369367,2cyclictest0-21swapper/321:38:023
42169199366365,1cyclictest623715-21kworker/3:000:05:023
42169199365364,1cyclictest504369-21kworker/3:121:23:023
42169199364363,1cyclictest0-21swapper/323:30:023
42169199364362,1cyclictest0-21swapper/300:12:013
42169199363361,2cyclictest504369-21kworker/3:122:34:023
42169199363361,1cyclictest97550irq/166-enp0s3121:46:023
42169199362361,1cyclictest0-21swapper/323:45:023
42169199362360,1cyclictest504369-21kworker/3:122:55:023
42169199361360,1cyclictest0-21swapper/322:25:023
42169199361360,1cyclictest0-21swapper/322:18:023
42169199361360,1cyclictest0-21swapper/321:43:023
42169199360359,1cyclictest0-21swapper/323:42:023
42169199360357,2cyclictest623715-21kworker/3:023:05:023
42169199360357,2cyclictest504369-21kworker/3:122:42:023
42169199359358,1cyclictest476664-21kworker/3:221:17:023
42169199359358,1cyclictest0-21swapper/322:05:023
42169199359358,1cyclictest0-21swapper/321:50:023
42169199359358,1cyclictest0-21swapper/321:50:023
42169199359358,1cyclictest0-21swapper/321:25:023
42169199358356,1cyclictest0-21swapper/320:05:023
42169199357356,1cyclictest623715-21kworker/3:023:25:023
42169199357356,1cyclictest0-21swapper/322:11:023
42169199356354,1cyclictest0-21swapper/319:20:023
42169199355354,1cyclictest623715-21kworker/3:023:54:023
42169199355354,1cyclictest424624-21kworker/3:020:25:023
42169199355354,1cyclictest424624-21kworker/3:020:25:023
42169199355354,1cyclictest0-21swapper/320:50:033
42169199353352,1cyclictest424624-21kworker/3:019:58:023
42169199353352,1cyclictest0-21swapper/320:12:023
42169199353351,1cyclictest476664-21kworker/3:221:07:023
42169199351350,1cyclictest0-21swapper/319:19:023
42169199350349,1cyclictest0-21swapper/300:18:023
42169199349348,1cyclictest424624-21kworker/3:020:31:023
42169199349348,1cyclictest0-21swapper/323:17:023
42169199349348,1cyclictest0-21swapper/323:17:023
42169199349348,1cyclictest0-21swapper/300:23:023
42169199349348,1cyclictest0-21swapper/300:02:023
42169199348347,1cyclictest424624-21kworker/3:019:45:023
42169199348347,1cyclictest0-21swapper/323:21:023
42169199347346,1cyclictest623715-21kworker/3:000:26:023
42169199347346,1cyclictest424624-21kworker/3:020:15:023
42169199347346,1cyclictest424624-21kworker/3:019:25:023
42169199347346,1cyclictest0-21swapper/300:35:023
42169199346345,1cyclictest412250-21kworker/3:219:10:023
42169199345344,1cyclictest476664-21kworker/3:221:04:023
42169199344342,1cyclictest476664-21kworker/3:220:47:023
42169199344342,1cyclictest424624-21kworker/3:019:36:023
42169199343341,1cyclictest0-21swapper/319:41:023
42169199342341,1cyclictest0-21swapper/319:52:023
42004723300,3sleep30-21swapper/319:05:173
42171499328326,1cyclictest735895-21kworker/6:123:12:026
42171499315313,1cyclictest0-21swapper/623:55:026
42169999313311,1cyclictest0-21swapper/423:03:024
42169999312311,1cyclictest0-21swapper/422:49:024
42169999312311,1cyclictest0-21swapper/421:21:024
42169999312309,2cyclictest458434-21kworker/4:021:32:024
42169999310309,1cyclictest0-21swapper/421:19:024
42169999310308,1cyclictest530279-21kworker/4:121:57:024
42169999310308,1cyclictest530279-21kworker/4:121:46:024
42169999310308,1cyclictest0-21swapper/422:02:034
42169999309308,1cyclictest0-21swapper/423:35:024
42169999309307,1cyclictest586278-21kworker/4:000:08:024
42169999309307,1cyclictest0-21swapper/421:44:024
42169999308307,1cyclictest586278-21kworker/4:023:23:024
42169999308307,1cyclictest586278-21kworker/4:022:33:024
42169999308307,1cyclictest586278-21kworker/4:000:00:024
42169999308307,1cyclictest530279-21kworker/4:121:53:024
42169999308307,1cyclictest530279-21kworker/4:121:53:024
42169999308307,1cyclictest0-21swapper/423:32:024
42169999307306,1cyclictest579667-21kworker/4:222:20:024
42169999307306,1cyclictest0-21swapper/422:07:024
42169999307306,1cyclictest0-21swapper/421:10:024
42169999307306,1cyclictest0-21swapper/419:50:024
42169999307306,1cyclictest0-21swapper/400:27:024
42169999306305,1cyclictest586278-21kworker/4:023:09:024
42169999306305,1cyclictest0-21swapper/423:16:024
42169999306305,1cyclictest0-21swapper/423:16:024
42169999306304,1cyclictest586278-21kworker/4:023:42:374
42169999306304,1cyclictest586278-21kworker/4:000:17:024
42169999305304,1cyclictest0-21swapper/422:28:024
42169999305304,1cyclictest0-21swapper/422:15:024
42169999305304,1cyclictest0-21swapper/422:13:024
42169999305304,1cyclictest0-21swapper/420:45:024
42169999305304,1cyclictest0-21swapper/420:09:024
42169999304303,1cyclictest586278-21kworker/4:023:52:024
42171499303302,1cyclictest735895-21kworker/6:123:41:026
42169999303302,1cyclictest586278-21kworker/4:000:22:024
42169999303302,1cyclictest0-21swapper/420:36:024
42169999303302,1cyclictest0-21swapper/420:21:024
42169999303301,1cyclictest0-21swapper/420:10:024
42171499302301,1cyclictest0-21swapper/621:47:026
42169999302301,1cyclictest458434-21kworker/4:020:42:024
42169999302301,1cyclictest0-21swapper/420:01:034
42169999302299,2cyclictest586278-21kworker/4:000:39:024
42169999301300,1cyclictest586278-21kworker/4:000:33:024
42169999301300,1cyclictest458434-21kworker/4:020:59:024
42169999301300,1cyclictest458434-21kworker/4:020:19:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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