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2026-04-25 - 15:36
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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 25, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
412417299367365,1cyclictest0-21swapper/308:00:023
412417299365364,1cyclictest4114997-21kworker/3:009:30:023
412417299365364,1cyclictest0-21swapper/310:23:023
412417299365363,1cyclictest0-21swapper/312:01:023
412417299364363,1cyclictest4114997-21kworker/3:010:33:023
412417299364363,1cyclictest0-21swapper/307:20:033
412417299363362,1cyclictest4114997-21kworker/3:010:51:033
412417299363362,1cyclictest0-21swapper/309:20:023
412417299363362,1cyclictest0-21swapper/307:25:033
412417299363361,1cyclictest0-21swapper/310:10:023
412414799363360,1cyclictest90593-21systemd-userwor11:39:020
412417299362361,1cyclictest4114997-21kworker/3:007:10:023
412417299362361,1cyclictest0-21swapper/310:06:023
412417299362361,1cyclictest0-21swapper/308:55:023
412417299361360,1cyclictest4114997-21kworker/3:010:15:023
412417299361360,1cyclictest0-21swapper/310:29:033
412417299361359,1cyclictest0-21swapper/312:19:023
412417299361359,1cyclictest0-21swapper/311:51:023
412417299361359,1cyclictest0-21swapper/309:00:023
412417299360359,1cyclictest96723-21kworker/3:212:38:023
412417299359358,1cyclictest0-21swapper/311:37:023
412417299359358,1cyclictest0-21swapper/311:33:023
412417299359357,1cyclictest0-21swapper/309:43:023
412417299359357,1cyclictest0-21swapper/309:28:023
412417299359357,1cyclictest0-21swapper/309:09:023
412417299359357,1cyclictest0-21swapper/307:39:023
412417299358357,1cyclictest0-21swapper/310:47:023
412417299358357,1cyclictest0-21swapper/310:38:033
412417299358357,1cyclictest0-21swapper/310:38:023
412417299358357,1cyclictest0-21swapper/309:53:023
412417299358357,1cyclictest0-21swapper/307:57:023
412417299358356,1cyclictest4114997-21kworker/3:011:22:023
412417299358356,1cyclictest0-21swapper/309:17:023
412417299358356,1cyclictest0-21swapper/308:53:023
412414799358357,1cyclictest72673-21kworker/0:012:15:020
412414799358357,1cyclictest0-21swapper/010:55:020
412417299357356,1cyclictest4114997-21kworker/3:011:17:023
412417299357356,1cyclictest0-21swapper/308:48:033
412414799357356,1cyclictest0-21swapper/010:28:030
412417299356355,1cyclictest0-21swapper/312:23:023
412417299356355,1cyclictest0-21swapper/310:41:023
412414799355354,1cyclictest0-21swapper/010:45:020
412414799355354,1cyclictest0-21swapper/008:10:030
412414799355354,1cyclictest0-21swapper/007:30:020
412414799355353,1cyclictest0-21swapper/011:20:020
412414799354353,1cyclictest0-21swapper/008:05:030
412414799353352,1cyclictest0-21swapper/008:50:020
412414799353351,1cyclictest0-21swapper/009:35:020
412414799352351,1cyclictest0-21swapper/011:45:020
412414799352351,1cyclictest0-21swapper/010:35:020
412414799352351,1cyclictest0-21swapper/010:35:020
412414799352351,1cyclictest0-21swapper/010:20:020
412414799352351,1cyclictest0-21swapper/009:45:020
412414799352351,1cyclictest0-21swapper/008:35:030
412420099351350,1cyclictest4091239-21kworker/7:008:00:027
412414799351350,1cyclictest72673-21kworker/0:012:25:020
412414799351350,1cyclictest0-21swapper/011:44:020
412414799351350,1cyclictest0-21swapper/010:30:020
412420099350349,1cyclictest0-21swapper/709:30:037
412414799350349,1cyclictest0-21swapper/009:24:020
412414799350348,1cyclictest4155075-21kworker/0:108:15:030
412414799350348,1cyclictest0-21swapper/007:28:020
412420099349348,1cyclictest48592-21kworker/7:212:01:027
412420099349348,1cyclictest30539-21kworker/7:010:23:027
412420099349348,1cyclictest0-21swapper/710:33:027
412414799349348,1cyclictest72673-21kworker/0:012:30:020
412414799349348,1cyclictest0-21swapper/011:31:020
412414799349348,1cyclictest0-21swapper/008:41:030
412414799349348,1cyclictest0-21swapper/007:59:020
412414799349348,1cyclictest0-21swapper/007:53:020
412414799349348,1cyclictest0-21swapper/007:11:020
412420099348347,1cyclictest9490-21kworker/7:109:20:027
412420099348347,1cyclictest4091239-21kworker/7:007:25:027
412420099348347,1cyclictest4091239-21kworker/7:007:20:027
412420099348347,1cyclictest0-21swapper/710:51:027
412414799348347,1cyclictest4185155-21kworker/0:209:10:020
412414799348347,1cyclictest4185155-21kworker/0:208:57:020
412414799348347,1cyclictest0-21swapper/012:37:020
412414799348347,1cyclictest0-21swapper/012:03:030
412414799348347,1cyclictest0-21swapper/009:03:020
412414799348347,1cyclictest0-21swapper/008:29:020
412414799348347,1cyclictest0-21swapper/008:01:030
412414799348347,1cyclictest0-21swapper/007:44:030
412414799348347,1cyclictest0-21swapper/007:44:030
412414799348346,1cyclictest4185155-21kworker/0:209:40:020
412420099347346,1cyclictest4091239-21kworker/7:008:55:027
412420099347346,1cyclictest30539-21kworker/7:010:06:027
412420099347346,1cyclictest0-21swapper/707:10:027
412420099347345,2cyclictest30539-21kworker/7:010:10:037
412414799347346,1cyclictest4185155-21kworker/0:209:16:020
412414799347346,1cyclictest0-21swapper/012:12:020
412414799347346,1cyclictest0-21swapper/011:06:020
412420099346345,1cyclictest48592-21kworker/7:210:29:027
412420099346345,1cyclictest0-21swapper/710:15:027
412414799346345,1cyclictest72673-21kworker/0:011:57:020
412414799346345,1cyclictest4185155-21kworker/0:211:02:020
412414799346345,1cyclictest4185155-21kworker/0:209:50:020
412420099345344,1cyclictest4091239-21kworker/7:009:00:037
412420099345344,1cyclictest0-21swapper/712:38:027
412414799345343,1cyclictest4185155-21kworker/0:210:09:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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