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2026-03-10 - 17:27
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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 Tue Mar 10, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
414043099367364,2cyclictest28597-21kworker/3:011:53:023
414043099366363,2cyclictest28597-21kworker/3:009:47:023
414043099366363,2cyclictest28597-21kworker/3:009:47:023
414043099365363,1cyclictest73873-21kworker/3:211:35:023
414043099365362,2cyclictest28597-21kworker/3:012:09:023
414043099364362,1cyclictest4137286-21kworker/3:208:21:023
414043099364361,2cyclictest28597-21kworker/3:010:27:023
414043099364361,2cyclictest148655-21kworker/3:108:13:023
414043099363362,1cyclictest28597-21kworker/3:011:45:033
414043099362360,1cyclictest28597-21kworker/3:010:37:023
414043099361359,1cyclictest0-21swapper/309:13:023
414043099360358,1cyclictest0-21swapper/309:37:033
414043099359358,1cyclictest73873-21kworker/3:211:11:023
414043099359358,1cyclictest73873-21kworker/3:211:11:023
414043099359358,1cyclictest28597-21kworker/3:010:30:023
414043099359358,1cyclictest0-21swapper/312:21:023
414043099358356,1cyclictest0-21swapper/312:31:023
414043099358356,1cyclictest0-21swapper/310:11:023
414043099358356,1cyclictest0-21swapper/309:41:033
414043099357356,1cyclictest0-21swapper/309:19:033
414043099357356,1cyclictest0-21swapper/308:47:033
414043099356355,1cyclictest148655-21kworker/3:107:20:033
414043099356355,1cyclictest0-21swapper/309:57:023
414043099356355,1cyclictest0-21swapper/309:31:033
414043099356355,1cyclictest0-21swapper/308:03:023
414043099355353,1cyclictest148655-21kworker/3:107:32:023
414042299355353,1cyclictest0-21swapper/210:55:022
414043099354353,1cyclictest148655-21kworker/3:108:09:023
414043099354352,1cyclictest148655-21kworker/3:107:15:023
414043099351350,1cyclictest148655-21kworker/3:107:10:023
414043099349348,1cyclictest28597-21kworker/3:012:35:033
414043099349348,1cyclictest28597-21kworker/3:012:35:023
414043099349347,1cyclictest28597-21kworker/3:012:01:023
414043099348347,1cyclictest73873-21kworker/3:211:25:023
414043099348347,1cyclictest0-21swapper/310:00:023
414043099347346,1cyclictest4137286-21kworker/3:208:32:023
414043099347346,1cyclictest148655-21kworker/3:107:46:023
414043099347345,1cyclictest148655-21kworker/3:107:50:023
414043099347345,1cyclictest0-21swapper/312:12:023
414043099347345,1cyclictest0-21swapper/311:03:023
414043099346345,1cyclictest148655-21kworker/3:107:38:023
414043099346344,2cyclictest0-21swapper/307:56:023
414043099345343,1cyclictest0-21swapper/307:44:023
414043099344343,1cyclictest28597-21kworker/3:012:27:023
414043099344343,1cyclictest28597-21kworker/3:010:49:023
414043099344343,1cyclictest0-21swapper/311:32:023
414043099344343,1cyclictest0-21swapper/310:58:023
414043099344342,1cyclictest0-21swapper/308:41:023
414043099343342,1cyclictest28597-21kworker/3:010:52:023
414043099343342,1cyclictest0-21swapper/307:29:033
414043099343341,1cyclictest73873-21kworker/3:211:09:033
414043099343341,1cyclictest148655-21kworker/3:108:19:023
414043099343341,1cyclictest148655-21kworker/3:108:19:023
414043099342341,1cyclictest28597-21kworker/3:011:59:023
414043099342341,1cyclictest28597-21kworker/3:010:06:023
414043099342341,1cyclictest28597-21kworker/3:009:52:023
414043099342341,1cyclictest0-21swapper/310:43:023
414043099342341,1cyclictest0-21swapper/309:08:023
414043099342340,1cyclictest4137286-21kworker/3:208:39:023
414042299342340,1cyclictest0-21swapper/210:39:022
414042299342340,1cyclictest0-21swapper/208:57:022
414042299342340,1cyclictest0-21swapper/208:27:032
414043099341340,1cyclictest4137286-21kworker/3:209:22:033
414042299341340,1cyclictest4128255-21kworker/2:108:01:022
414042299341340,1cyclictest0-21swapper/212:20:022
414042299341340,1cyclictest0-21swapper/207:23:022
414042299341339,1cyclictest0-21swapper/211:35:022
414042299341339,1cyclictest0-21swapper/208:45:022
414042299340339,1cyclictest0-21swapper/211:53:022
414042299340339,1cyclictest0-21swapper/210:45:022
414042299340339,1cyclictest0-21swapper/208:53:022
414042299340338,1cyclictest0-21swapper/211:05:022
414042299340338,1cyclictest0-21swapper/210:15:032
414042299340338,1cyclictest0-21swapper/209:29:022
414042299340338,1cyclictest0-21swapper/208:15:032
414042299340338,1cyclictest0-21swapper/208:15:032
414042299340338,1cyclictest0-21swapper/208:05:032
414042299340337,1cyclictest0-21swapper/211:21:032
414042299339338,1cyclictest0-21swapper/209:51:022
414042299339338,1cyclictest0-21swapper/209:47:022
414042299339338,1cyclictest0-21swapper/209:47:022
414042299339337,1cyclictest0-21swapper/212:13:022
414042299339337,1cyclictest0-21swapper/211:47:022
414042299339337,1cyclictest0-21swapper/211:15:022
414042299339337,1cyclictest0-21swapper/210:27:032
414042299339337,1cyclictest0-21swapper/210:05:022
414042299339337,1cyclictest0-21swapper/209:21:022
414042299339337,1cyclictest0-21swapper/208:21:032
414042299339337,1cyclictest0-21swapper/207:47:022
414042299339337,1cyclictest0-21swapper/207:17:032
414042299339337,1cyclictest0-21swapper/207:11:032
414042299339336,2cyclictest0-21swapper/210:53:022
414042299338337,1cyclictest0-21swapper/212:09:022
414042299338337,1cyclictest0-21swapper/211:27:022
414042299338337,1cyclictest0-21swapper/208:13:032
414042299338337,1cyclictest0-21swapper/207:57:022
414042299338336,1cyclictest131034-21kworker/2:112:25:032
414042299338336,1cyclictest0-21swapper/212:33:022
414042299338336,1cyclictest0-21swapper/209:07:022
414042299338336,1cyclictest0-21swapper/209:01:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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