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2026-03-25 - 10:29
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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 Wed Mar 25, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105794299362359,3cyclictest0-21swapper/420:49:034
105794299336333,1cyclictest1088669-21kworker/4:221:19:034
105796299333332,1cyclictest1306521-21kworker/7:300:20:027
105796299333331,2cyclictest1159149-21kworker/7:122:07:027
105794299333332,1cyclictest1177968-21kworker/4:022:15:024
105794299332331,1cyclictest0-21swapper/422:28:024
105794299332329,2cyclictest1302314-21kworker/4:123:52:024
105794299331330,1cyclictest1177968-21kworker/4:023:15:024
105794299331330,1cyclictest0-21swapper/421:51:024
105794299331329,1cyclictest1177968-21kworker/4:021:58:034
105794299331329,1cyclictest1088669-21kworker/4:221:47:024
105794299329328,1cyclictest1177968-21kworker/4:022:59:024
105794299329328,1cyclictest1177968-21kworker/4:022:20:024
105794299329328,1cyclictest0-21swapper/423:30:024
105794299328327,1cyclictest1177968-21kworker/4:022:11:024
105794299328326,1cyclictest1177968-21kworker/4:023:27:024
105794299328326,1cyclictest1177968-21kworker/4:023:27:024
105794299328326,1cyclictest0-21swapper/423:22:024
105796299327326,1cyclictest0-21swapper/722:33:027
105796299327325,1cyclictest1100877-21kworker/7:021:24:037
105794299327326,1cyclictest1302314-21kworker/4:100:16:024
105794299327326,1cyclictest1088669-21kworker/4:221:40:024
105794299327325,1cyclictest1302314-21kworker/4:123:57:024
105794299327325,1cyclictest1302314-21kworker/4:100:31:024
105794299327325,1cyclictest1088669-21kworker/4:221:32:024
105796299326325,1cyclictest1373208-21kworker/7:100:39:027
105796299326324,1cyclictest1306521-21kworker/7:300:25:027
105794299326325,1cyclictest1177968-21kworker/4:022:08:024
105794299326324,1cyclictest1302314-21kworker/4:100:04:024
105794299326324,1cyclictest0-21swapper/400:13:034
105796299325324,1cyclictest0-21swapper/723:19:027
105796299325324,1cyclictest0-21swapper/722:49:027
105796299325324,1cyclictest0-21swapper/721:29:037
105796299325323,2cyclictest1228773-21kworker/7:023:02:027
105796299325323,1cyclictest0-21swapper/721:30:027
105796299325322,2cyclictest1306521-21kworker/7:323:34:027
105796299325322,2cyclictest1100877-21kworker/7:021:15:027
105794299325324,1cyclictest1302314-21kworker/4:123:39:024
105794299325324,1cyclictest1177968-21kworker/4:023:14:034
105794299325324,1cyclictest1177968-21kworker/4:022:01:024
105794299325324,1cyclictest1177968-21kworker/4:022:01:024
105794299325324,1cyclictest0-21swapper/422:51:024
105794299325324,1cyclictest0-21swapper/421:21:034
105794299325324,1cyclictest0-21swapper/421:10:024
105796299324323,1cyclictest0-21swapper/723:58:027
105796299324323,1cyclictest0-21swapper/719:15:027
105796299324323,1cyclictest0-21swapper/700:10:037
105796299324322,1cyclictest1306521-21kworker/7:323:51:027
105796299324322,1cyclictest1306521-21kworker/7:323:41:027
105796299324322,1cyclictest1228773-21kworker/7:022:43:037
105796299324322,1cyclictest1228773-21kworker/7:022:38:027
105796299324322,1cyclictest1159149-21kworker/7:121:52:027
105794299324323,1cyclictest1177968-21kworker/4:022:40:034
105794299324323,1cyclictest1088669-21kworker/4:220:55:024
105794299324323,1cyclictest1088669-21kworker/4:220:50:024
105794299324323,1cyclictest0-21swapper/423:04:024
105794299324323,1cyclictest0-21swapper/422:45:024
105794299324323,1cyclictest0-21swapper/419:10:024
105794299324323,1cyclictest0-21swapper/400:38:034
105796299323322,1cyclictest1228773-21kworker/7:022:55:027
105796299323322,1cyclictest0-21swapper/721:11:027
105796299323322,1cyclictest0-21swapper/700:33:027
105796299323321,1cyclictest1159149-21kworker/7:122:22:027
105796299323320,2cyclictest1228773-21kworker/7:023:20:027
105794299323322,1cyclictest1302314-21kworker/4:100:26:024
105794299323321,1cyclictest1302314-21kworker/4:123:40:034
105796299322321,1cyclictest0-21swapper/723:45:027
105796299322321,1cyclictest0-21swapper/723:06:027
105796299322321,1cyclictest0-21swapper/719:35:037
105794299322321,1cyclictest1088669-21kworker/4:221:39:024
105796299321320,1cyclictest1228773-21kworker/7:023:10:027
105796299321320,1cyclictest1159149-21kworker/7:122:14:027
105796299321320,1cyclictest1159149-21kworker/7:121:41:027
105796299321320,1cyclictest0-21swapper/722:19:027
105796299321320,1cyclictest0-21swapper/720:20:037
105794299321320,1cyclictest1088669-21kworker/4:220:25:024
105794299321320,1cyclictest1067772-21kworker/4:119:25:024
105794299321320,1cyclictest0-21swapper/421:09:024
105794299321319,1cyclictest1088669-21kworker/4:220:17:024
105796299320319,1cyclictest1306521-21kworker/7:323:35:027
105796299320319,1cyclictest0-21swapper/722:50:027
105794299320319,1cyclictest1088669-21kworker/4:220:32:024
105794299320319,1cyclictest1067772-21kworker/4:119:41:034
105794299320319,1cyclictest0-21swapper/419:54:024
105796299319318,1cyclictest1100877-21kworker/7:020:30:027
105796299319318,1cyclictest1025876-21kworker/7:220:03:027
105796299319318,1cyclictest1025876-21kworker/7:219:20:027
105796299319318,1cyclictest0-21swapper/723:26:027
105796299319318,1cyclictest0-21swapper/723:26:027
105796299319318,1cyclictest0-21swapper/719:45:027
105796299319318,1cyclictest0-21swapper/719:29:027
105796299319317,1cyclictest1025876-21kworker/7:220:15:027
105794299319318,1cyclictest0-21swapper/420:38:024
105796299318317,1cyclictest1100877-21kworker/7:020:35:027
105794299318317,1cyclictest1088669-21kworker/4:220:12:024
105794299318317,1cyclictest0-21swapper/419:36:034
105794299318316,1cyclictest1067772-21kworker/4:119:31:034
105794299318316,1cyclictest0-21swapper/420:07:024
105796299317316,1cyclictest1100877-21kworker/7:020:59:027
105794299317316,1cyclictest1088669-21kworker/4:221:02:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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