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2026-06-02 - 16:02
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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 Jun 02, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119415999364363,1cyclictest0-21swapper/308:50:023
119415999364363,1cyclictest0-21swapper/308:50:023
119415999363362,1cyclictest0-21swapper/311:10:013
119415999363362,1cyclictest0-21swapper/308:35:013
119415999362361,1cyclictest1255115-21kworker/3:009:45:023
119415999362361,1cyclictest0-21swapper/310:10:023
119415999362361,1cyclictest0-21swapper/309:40:023
119415999362360,2cyclictest0-21swapper/308:11:023
119415999362360,1cyclictest0-21swapper/308:44:023
119415999362359,2cyclictest1303253-21kworker/3:112:15:013
119415999361360,1cyclictest1255115-21kworker/3:009:59:023
119415999361360,1cyclictest0-21swapper/311:40:013
119415999361360,1cyclictest0-21swapper/307:12:023
119415999360359,1cyclictest1303253-21kworker/3:111:45:023
119415999360359,1cyclictest1303253-21kworker/3:111:45:013
119415999360359,1cyclictest1255115-21kworker/3:010:07:023
119415999360359,1cyclictest1181659-21kworker/3:307:45:013
119415999360359,1cyclictest0-21swapper/310:25:023
119415999360359,1cyclictest0-21swapper/310:15:023
119415999360359,1cyclictest0-21swapper/307:59:023
119415999359358,1cyclictest1303253-21kworker/3:112:05:023
119415999359358,1cyclictest1303253-21kworker/3:110:58:013
119415999359358,1cyclictest1255115-21kworker/3:009:30:023
119415999359358,1cyclictest1181659-21kworker/3:308:26:023
119415999359358,1cyclictest0-21swapper/309:08:023
119415999359358,1cyclictest0-21swapper/307:50:013
119415999359358,1cyclictest0-21swapper/307:36:013
119415999359356,2cyclictest1303253-21kworker/3:112:26:013
119415999358357,1cyclictest1303253-21kworker/3:110:51:013
119415999358357,1cyclictest1303253-21kworker/3:110:37:023
119415999358357,1cyclictest0-21swapper/308:48:023
119415999358356,1cyclictest1255115-21kworker/3:009:37:023
119415999358356,1cyclictest0-21swapper/310:34:023
119415999358356,1cyclictest0-21swapper/310:04:023
119415999358356,1cyclictest0-21swapper/309:11:023
119415999358356,1cyclictest0-21swapper/308:08:023
119415999358356,1cyclictest0-21swapper/307:18:023
119415999358354,3cyclictest1303253-21kworker/3:111:57:023
119415999357356,1cyclictest1303253-21kworker/3:112:04:023
119415999357356,1cyclictest1181659-21kworker/3:308:04:023
119415999357356,1cyclictest0-21swapper/312:14:023
119415999357356,1cyclictest0-21swapper/307:34:013
119415999357355,1cyclictest0-21swapper/311:24:013
119415999356355,1cyclictest1181659-21kworker/3:308:22:023
119415999356354,1cyclictest1255115-21kworker/3:009:52:023
119415999356354,1cyclictest0-21swapper/309:01:023
119415999355354,1cyclictest1303253-21kworker/3:112:21:013
119415999355354,1cyclictest1303253-21kworker/3:111:03:013
119415999355354,1cyclictest1181659-21kworker/3:307:28:023
119415999355354,1cyclictest1181659-21kworker/3:307:28:023
119415999354353,1cyclictest1181659-21kworker/3:308:19:023
119413499342340,1cyclictest0-21swapper/008:27:020
119413499339337,1cyclictest0-21swapper/009:36:020
119413499334330,2cyclictest1375363-21kworker/0:012:22:010
119413499332330,1cyclictest1441073-21kworker/0:108:45:020
119413499331330,1cyclictest0-21swapper/010:05:020
119413499329328,1cyclictest0-21swapper/007:35:010
119413499327326,1cyclictest0-21swapper/012:10:010
119413499326325,1cyclictest0-21swapper/010:45:020
119413499326325,1cyclictest0-21swapper/010:01:010
119413499326325,1cyclictest0-21swapper/007:54:020
119413499325324,1cyclictest0-21swapper/011:25:020
119413499325324,1cyclictest0-21swapper/008:05:020
119413499325323,1cyclictest0-21swapper/011:05:020
119413499323322,1cyclictest0-21swapper/010:22:010
119413499323322,1cyclictest0-21swapper/007:29:010
119413499323322,1cyclictest0-21swapper/007:29:010
119413499323322,1cyclictest0-21swapper/007:22:010
119413499323321,1cyclictest1441073-21kworker/0:111:55:020
119413499323321,1cyclictest1441073-21kworker/0:109:10:020
119413499323321,1cyclictest0-21swapper/012:33:010
119413499323321,1cyclictest0-21swapper/012:29:010
119413499322321,1cyclictest1441073-21kworker/0:111:00:020
119413499322320,1cyclictest0-21swapper/011:38:010
119413499322320,1cyclictest0-21swapper/011:33:010
119413499322320,1cyclictest0-21swapper/009:32:020
119413499321320,1cyclictest0-21swapper/012:36:010
119413499321320,1cyclictest0-21swapper/011:41:010
119413499321320,1cyclictest0-21swapper/010:42:020
119413499321320,1cyclictest0-21swapper/008:53:020
119413499321320,1cyclictest0-21swapper/008:53:020
119413499321320,1cyclictest0-21swapper/008:33:020
119413499321320,1cyclictest0-21swapper/007:42:020
119413499321319,1cyclictest0-21swapper/010:36:020
119413499320319,1cyclictest1441073-21kworker/0:112:00:020
119413499320319,1cyclictest1441073-21kworker/0:109:20:020
119413499320319,1cyclictest1441073-21kworker/0:107:47:020
119413499320319,1cyclictest1441073-21kworker/0:107:16:020
119413499320319,1cyclictest0-21swapper/011:22:010
119413499320319,1cyclictest0-21swapper/011:16:020
119413499320319,1cyclictest0-21swapper/009:56:020
119413499320319,1cyclictest0-21swapper/008:39:020
119413499320319,1cyclictest0-21swapper/008:23:020
119413499320319,1cyclictest0-21swapper/007:57:020
119413499320318,1cyclictest1441073-21kworker/0:109:53:020
119413499319318,1cyclictest1441073-21kworker/0:109:28:020
119413499319318,1cyclictest0-21swapper/009:41:020
119413499319317,1cyclictest1441073-21kworker/0:111:13:010
119413499319317,1cyclictest1441073-21kworker/0:107:14:020
119413499318316,1cyclictest1441073-21kworker/0:109:07:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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