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2026-04-11 - 19:04
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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 Apr 11, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321081499377376,1cyclictest0-21swapper/110:55:021
321081499377376,1cyclictest0-21swapper/110:13:021
321081499376375,1cyclictest0-21swapper/111:15:021
321081499376375,1cyclictest0-21swapper/109:45:011
321081499376374,1cyclictest0-21swapper/111:25:011
321081499376374,1cyclictest0-21swapper/109:40:011
321081499375374,1cyclictest0-21swapper/112:10:031
321081499375374,1cyclictest0-21swapper/107:50:011
321081499375374,1cyclictest0-21swapper/107:50:011
321081499374373,1cyclictest0-21swapper/110:01:011
321081499374373,1cyclictest0-21swapper/109:30:011
321081499373372,1cyclictest0-21swapper/109:00:011
321081499373372,1cyclictest0-21swapper/108:40:021
321081499372371,1cyclictest3229683-21kworker/1:107:55:011
321081499372371,1cyclictest0-21swapper/107:10:021
321081499372370,1cyclictest0-21swapper/110:21:011
321081499371370,1cyclictest3213754-21kworker/1:209:05:011
321081499371370,1cyclictest0-21swapper/111:11:021
321081499371370,1cyclictest0-21swapper/110:08:011
321081499371370,1cyclictest0-21swapper/107:35:021
321081499371369,1cyclictest0-21swapper/109:37:011
321081499370369,1cyclictest0-21swapper/112:36:031
321081499370369,1cyclictest0-21swapper/110:37:021
321081499370369,1cyclictest0-21swapper/108:33:021
321081499370369,1cyclictest0-21swapper/108:01:011
321081499370369,1cyclictest0-21swapper/107:15:021
321081499370368,1cyclictest0-21swapper/109:54:021
321081499370368,1cyclictest0-21swapper/108:46:021
321081499370368,1cyclictest0-21swapper/107:47:011
321081499370367,2cyclictest0-21swapper/110:51:021
321081499369368,1cyclictest3334990-21kworker/1:212:25:021
321081499369368,1cyclictest3213754-21kworker/1:209:13:011
321081499369368,1cyclictest3213754-21kworker/1:208:18:021
321081499369368,1cyclictest0-21swapper/112:23:021
321081499369368,1cyclictest0-21swapper/112:08:021
321081499369368,1cyclictest0-21swapper/111:56:011
321081499369368,1cyclictest0-21swapper/111:07:021
321081499369368,1cyclictest0-21swapper/111:02:021
321081499369368,1cyclictest0-21swapper/110:43:011
321081499369368,1cyclictest0-21swapper/110:43:011
321081499369368,1cyclictest0-21swapper/108:51:021
321081499369367,1cyclictest3334990-21kworker/1:211:30:011
321081499369367,1cyclictest3334990-21kworker/1:210:45:021
321081499369367,1cyclictest3295864-21kworker/1:109:58:021
321081499368367,1cyclictest0-21swapper/112:04:021
321081499368367,1cyclictest0-21swapper/111:54:011
321081499368367,1cyclictest0-21swapper/111:48:011
321081499368367,1cyclictest0-21swapper/110:17:021
321081499368366,1cyclictest3334990-21kworker/1:211:23:021
321081499367366,1cyclictest3334990-21kworker/1:211:44:011
321081499367366,1cyclictest3295864-21kworker/1:110:33:011
321081499366364,1cyclictest3334990-21kworker/1:211:36:011
321081499366364,1cyclictest3213754-21kworker/1:209:23:011
321081499366364,1cyclictest3213754-21kworker/1:207:23:021
321081499365364,1cyclictest3334990-21kworker/1:212:33:021
321081499365363,1cyclictest3213754-21kworker/1:208:12:011
321081499364362,1cyclictest3213754-21kworker/1:207:27:021
321083599346345,1cyclictest0-21swapper/408:41:024
321083599345344,1cyclictest0-21swapper/408:11:014
321083599344343,1cyclictest0-21swapper/408:26:024
321083599344342,1cyclictest0-21swapper/408:05:014
321083599342341,1cyclictest0-21swapper/411:40:014
321083599341340,1cyclictest3250615-21kworker/4:011:06:024
321083599340339,1cyclictest0-21swapper/412:00:014
321083599340339,1cyclictest0-21swapper/410:03:014
321083599340338,1cyclictest0-21swapper/412:05:024
321083599339338,1cyclictest0-21swapper/411:14:014
321083599339338,1cyclictest0-21swapper/409:06:014
321083599339338,1cyclictest0-21swapper/408:16:014
321083599339338,1cyclictest0-21swapper/407:25:024
321083599339337,1cyclictest0-21swapper/408:04:014
321083599338337,1cyclictest0-21swapper/410:41:024
321083599338337,1cyclictest0-21swapper/410:41:014
321083599338337,1cyclictest0-21swapper/410:26:024
321083599338337,1cyclictest0-21swapper/409:46:014
321083599338336,2cyclictest0-21swapper/411:24:014
321083599338336,1cyclictest0-21swapper/411:39:014
321083599338336,1cyclictest0-21swapper/409:42:024
321083599338336,1cyclictest0-21swapper/408:30:024
321083599338336,1cyclictest0-21swapper/408:22:024
321083599337336,1cyclictest0-21swapper/410:09:014
321083599337336,1cyclictest0-21swapper/408:39:024
321083599337336,1cyclictest0-21swapper/407:22:024
321083599337336,1cyclictest0-21swapper/407:18:024
321083599337335,1cyclictest3331984-21kworker/4:212:20:034
321083599337335,1cyclictest3250615-21kworker/4:010:38:024
321083599337335,1cyclictest3250615-21kworker/4:008:50:014
321083599337335,1cyclictest3168622-21kworker/4:207:45:014
321083599336335,1cyclictest3331984-21kworker/4:212:30:024
321083599336335,1cyclictest3250615-21kworker/4:010:20:014
321083599336335,1cyclictest0-21swapper/409:19:014
321083599336335,1cyclictest0-21swapper/409:11:014
321083599336335,1cyclictest0-21swapper/408:59:014
321083599336334,1cyclictest3250615-21kworker/4:010:15:024
321083599335334,1cyclictest3250615-21kworker/4:009:36:014
321083599335333,1cyclictest3331984-21kworker/4:211:50:014
321083599334333,1cyclictest3250615-21kworker/4:011:18:024
321083599334333,1cyclictest3168622-21kworker/4:207:59:014
321083599334332,1cyclictest3250615-21kworker/4:009:02:014
321083599333332,1cyclictest3250615-21kworker/4:009:27:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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