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2026-03-21 - 17:24
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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 Mar 21, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
406885499367365,2cyclictest0-21swapper/012:15:020
406885499367365,1cyclictest20387-21kworker/0:211:32:020
406885499365364,1cyclictest4071899-21kworker/0:007:15:030
406885499365363,1cyclictest4084743-21kworker/0:110:26:020
406885499365363,1cyclictest0-21swapper/007:45:030
406885499365363,1cyclictest0-21swapper/007:45:020
406885499364363,1cyclictest0-21swapper/010:21:020
406885499363362,1cyclictest20387-21kworker/0:211:44:020
406885499363361,1cyclictest0-21swapper/012:05:020
406885499362360,1cyclictest4084743-21kworker/0:110:16:030
406885499362360,1cyclictest4084743-21kworker/0:109:15:030
406885499362360,1cyclictest4071899-21kworker/0:007:37:020
406885499362360,1cyclictest0-21swapper/009:35:020
406885499362360,1cyclictest0-21swapper/008:50:020
406885499362360,1cyclictest0-21swapper/008:05:020
406885499361360,1cyclictest4084743-21kworker/0:110:56:020
406885499361360,1cyclictest20387-21kworker/0:212:10:020
406885499361359,1cyclictest0-21swapper/009:56:020
406885499360359,1cyclictest0-21swapper/009:20:030
406885499360358,1cyclictest488-21jbd2/nvme0n1p2-07:32:020
406885499360358,1cyclictest4084743-21kworker/0:109:00:030
406885499360358,1cyclictest20387-21kworker/0:211:24:020
406885499360358,1cyclictest0-21swapper/007:24:030
406885499359358,1cyclictest0-21swapper/010:31:020
406885499359358,1cyclictest0-21swapper/008:39:030
406885499358357,1cyclictest4084743-21kworker/0:110:10:020
406885499358357,1cyclictest4084743-21kworker/0:109:54:020
406885499358357,1cyclictest20387-21kworker/0:211:12:020
406885499358357,1cyclictest0-21swapper/011:37:020
406885499358357,1cyclictest0-21swapper/008:49:020
406885499358356,1cyclictest4084743-21kworker/0:109:41:020
406885499357356,1cyclictest4084743-21kworker/0:110:36:030
406885499357356,1cyclictest4084743-21kworker/0:110:36:030
406885499357356,1cyclictest4084743-21kworker/0:108:32:030
406885499357356,1cyclictest4084743-21kworker/0:108:22:030
406885499357356,1cyclictest4084743-21kworker/0:108:03:020
406885499357356,1cyclictest0-21swapper/012:22:020
406885499357356,1cyclictest0-21swapper/010:03:020
406885499357355,1cyclictest4084743-21kworker/0:110:44:020
406885499356355,1cyclictest20387-21kworker/0:212:32:030
406885499356355,1cyclictest20387-21kworker/0:211:54:020
406885499356355,1cyclictest0-21swapper/011:49:020
406885499356355,1cyclictest0-21swapper/011:28:020
406885499356355,1cyclictest0-21swapper/011:17:020
406885499356355,1cyclictest0-21swapper/009:33:020
406885499356355,1cyclictest0-21swapper/008:29:030
406885499356355,1cyclictest0-21swapper/008:19:020
406885499356355,1cyclictest0-21swapper/007:43:020
406885499356355,1cyclictest0-21swapper/007:11:030
406885499356354,1cyclictest0-21swapper/012:37:020
406885499356354,1cyclictest0-21swapper/009:26:030
406885499356354,1cyclictest0-21swapper/007:58:020
406885499355354,1cyclictest4084743-21kworker/0:110:06:020
406885499355353,1cyclictest4084743-21kworker/0:108:44:020
406887899328327,1cyclictest0-21swapper/310:01:023
406887899327326,1cyclictest4162946-21kworker/3:112:35:033
406887899327326,1cyclictest182659-21kworker/3:208:25:033
406890799326325,1cyclictest4132861-21kworker/7:210:01:027
406890799326324,1cyclictest0-21swapper/708:25:027
406887899326325,1cyclictest4162946-21kworker/3:111:00:023
406887899326324,2cyclictest182659-21kworker/3:208:58:033
406887899326324,1cyclictest4162946-21kworker/3:111:55:023
406890799325324,1cyclictest0-21swapper/712:35:027
406890799325323,1cyclictest0-21swapper/711:00:037
406887899325324,1cyclictest0-21swapper/310:37:033
406887899325324,1cyclictest0-21swapper/310:37:033
406887899325324,1cyclictest0-21swapper/310:25:023
406887899325324,1cyclictest0-21swapper/307:25:033
406887899325323,1cyclictest4162946-21kworker/3:111:20:023
406887899325323,1cyclictest4162946-21kworker/3:110:40:023
406887899325323,1cyclictest182659-21kworker/3:208:00:023
406887899325323,1cyclictest0-21swapper/309:50:023
406887899325323,1cyclictest0-21swapper/309:01:033
406887899325323,1cyclictest0-21swapper/308:10:023
406890799324322,1cyclictest4181006-21kworker/7:010:25:037
406890799324322,1cyclictest0-21swapper/708:58:027
406887899324323,1cyclictest182659-21kworker/3:207:10:033
406887899324323,1cyclictest0-21swapper/310:30:023
406887899324322,1cyclictest182659-21kworker/3:208:35:033
406887899324322,1cyclictest0-21swapper/309:25:023
406890799323322,1cyclictest4181006-21kworker/7:010:37:027
406890799323322,1cyclictest4181006-21kworker/7:010:37:027
406890799323322,1cyclictest4042424-21kworker/7:007:25:027
406890799323322,1cyclictest0-21swapper/711:55:027
406890799323322,1cyclictest0-21swapper/710:40:037
406890799323321,1cyclictest4181006-21kworker/7:010:30:027
406890799323321,1cyclictest4132861-21kworker/7:209:50:027
406890799323321,1cyclictest4042424-21kworker/7:008:10:037
406890799323321,1cyclictest0-21swapper/707:10:027
406887899323322,1cyclictest4138891-21kworker/3:109:05:023
406887899323322,1cyclictest0-21swapper/311:25:023
406887899323322,1cyclictest0-21swapper/308:30:033
406890799322321,1cyclictest0-21swapper/711:20:037
406890799322321,1cyclictest0-21swapper/708:00:037
406890799322320,1cyclictest4150910-21kworker/7:109:25:037
406890799322320,1cyclictest0-21swapper/709:05:027
406887899322321,1cyclictest182659-21kworker/3:208:21:023
406887899322321,1cyclictest0-21swapper/310:22:023
406887899322321,1cyclictest0-21swapper/307:55:023
406887899322320,1cyclictest4162946-21kworker/3:110:08:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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