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2026-07-10 - 23:39
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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 Fri Jul 10, 2026 12:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2209147993830,382cyclictest0-21swapper/112:11:021
2209147993830,382cyclictest0-21swapper/108:47:021
2209147993830,382cyclictest0-21swapper/107:43:021
2209147993822,379cyclictest0-21swapper/108:53:021
2209147993820,381cyclictest0-21swapper/110:27:021
2209147993820,381cyclictest0-21swapper/109:52:031
2209147993820,381cyclictest0-21swapper/109:27:021
2209147993820,381cyclictest0-21swapper/109:21:021
220914799381379,1cyclictest0-21swapper/110:42:021
2209147993810,381cyclictest0-21swapper/111:57:021
2209147993810,380cyclictest0-21swapper/110:57:021
2209147993810,2cyclictest0-21swapper/112:33:021
2209147993810,2cyclictest0-21swapper/111:11:021
220914799380379,1cyclictest2330322-21kworker/1:011:44:021
2209147993800,379cyclictest0-21swapper/107:56:021
220914799379378,1cyclictest0-21swapper/109:08:021
220914799378377,1cyclictest0-21swapper/111:02:021
220914799377376,1cyclictest0-21swapper/112:26:021
220914799377376,1cyclictest0-21swapper/109:58:021
220918099367366,1cyclictest2228033-21kworker/5:209:37:025
220914799364362,1cyclictest0-21swapper/108:25:021
220916699348347,1cyclictest2345351-21kworker/3:211:03:023
220916699344343,1cyclictest0-21swapper/310:33:023
220916699344341,2cyclictest2345351-21kworker/3:211:41:023
220916699344341,2cyclictest2345351-21kworker/3:211:23:023
220916699343342,1cyclictest2276154-21kworker/3:009:55:023
220916699343342,1cyclictest2180093-21kworker/3:208:21:023
220916699343341,1cyclictest2180093-21kworker/3:207:45:023
220916699343341,1cyclictest0-21swapper/311:37:023
220916699343341,1cyclictest0-21swapper/310:01:023
220916699342341,1cyclictest2345351-21kworker/3:212:01:023
220916699342341,1cyclictest0-21swapper/309:29:023
220916699341339,1cyclictest0-21swapper/309:53:023
220916699341339,1cyclictest0-21swapper/309:09:023
220916699341339,1cyclictest0-21swapper/308:51:033
220916699341339,1cyclictest0-21swapper/308:43:033
220916699340338,1cyclictest2180093-21kworker/3:208:00:023
220916699340338,1cyclictest0-21swapper/310:39:023
220916699340338,1cyclictest0-21swapper/310:21:023
220916699340338,1cyclictest0-21swapper/310:09:023
220916699340338,1cyclictest0-21swapper/309:31:023
220916699340338,1cyclictest0-21swapper/307:37:023
220916699339338,1cyclictest0-21swapper/311:29:023
220916699339338,1cyclictest0-21swapper/310:29:023
220916699339337,1cyclictest0-21swapper/312:23:023
220916699339337,1cyclictest0-21swapper/312:17:023
220916699339337,1cyclictest0-21swapper/309:47:023
220916699339337,1cyclictest0-21swapper/309:13:023
220916699339337,1cyclictest0-21swapper/308:49:033
220916699339337,1cyclictest0-21swapper/307:31:023
220916699339337,1cyclictest0-21swapper/307:29:023
220914799339338,1cyclictest0-21swapper/109:37:021
220916699338336,1cyclictest0-21swapper/312:13:023
220916699338336,1cyclictest0-21swapper/311:31:023
220916699338336,1cyclictest0-21swapper/311:31:023
220915999338337,1cyclictest0-21swapper/211:55:022
220915999338337,1cyclictest0-21swapper/211:49:022
220915999338336,1cyclictest0-21swapper/211:19:022
220916699337335,1cyclictest2276154-21kworker/3:009:17:023
220916699337335,1cyclictest0-21swapper/309:43:023
220916699337334,2cyclictest2345351-21kworker/3:212:07:023
220916699336335,1cyclictest0-21swapper/311:47:023
220916699336334,1cyclictest2180093-21kworker/3:208:27:023
220916699336334,1cyclictest2180093-21kworker/3:207:51:023
220916699336334,1cyclictest0-21swapper/308:31:023
220916699335333,1cyclictest2180093-21kworker/3:207:23:023
220915999335333,1cyclictest2381445-21kworker/2:012:05:022
220915999335333,1cyclictest0-21swapper/211:37:022
220915999334333,1cyclictest0-21swapper/208:33:022
220915999333332,1cyclictest0-21swapper/208:43:022
220915999333331,1cyclictest0-21swapper/209:53:022
220915999333331,1cyclictest0-21swapper/208:51:022
220916699332330,1cyclictest2180093-21kworker/3:207:15:023
220915999332331,1cyclictest2208784-21kworker/2:009:09:022
220915999332330,1cyclictest2208784-21kworker/2:010:09:022
220915999332330,1cyclictest2208784-21kworker/2:008:03:022
220915999332330,1cyclictest0-21swapper/211:40:022
220917499331329,1cyclictest2237041-21kworker/4:210:11:024
220915999331330,1cyclictest2208784-21kworker/2:010:21:022
220915999331330,1cyclictest2208784-21kworker/2:008:23:022
220915999331330,1cyclictest0-21swapper/210:39:022
220915999331330,1cyclictest0-21swapper/207:37:022
220915999331329,1cyclictest2208784-21kworker/2:007:29:032
220915999331329,1cyclictest0-21swapper/212:17:022
220915999330329,1cyclictest2333321-21kworker/2:210:43:022
220915999330329,1cyclictest2208784-21kworker/2:009:49:022
220915999330329,1cyclictest2208784-21kworker/2:009:13:022
220915999330329,1cyclictest2208784-21kworker/2:008:49:022
220915999330329,1cyclictest0-21swapper/209:30:022
220915999330328,1cyclictest2208784-21kworker/2:007:53:022
220916699329328,1cyclictest0-21swapper/310:12:023
220916699329328,1cyclictest0-21swapper/308:35:023
220916699329328,1cyclictest0-21swapper/308:35:023
220916699329327,1cyclictest2345351-21kworker/3:211:10:023
220915999329328,1cyclictest2333321-21kworker/2:211:27:022
220915999329327,1cyclictest2208784-21kworker/2:009:57:022
220916699328327,1cyclictest2345351-21kworker/3:211:16:023
220916699328327,1cyclictest2180093-21kworker/3:207:40:023
220916699328326,1cyclictest0-21swapper/309:36:023
220915999328326,1cyclictest2208784-21kworker/2:008:36:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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