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2026-04-21 - 04:42
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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 Apr 21, 2026 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242141099381379,1cyclictest2701246-21kworker/4:100:33:024
2421410993810,380cyclictest0-21swapper/421:51:024
242141099380378,1cyclictest0-21swapper/420:45:024
242141099380377,2cyclictest2701246-21kworker/4:100:35:014
2421410993800,379cyclictest0-21swapper/400:10:014
242141099379378,1cyclictest2669994-21kworker/4:223:35:014
242141099379377,1cyclictest2449287-21kworker/4:222:01:024
242141099379377,1cyclictest0-21swapper/423:59:024
242141099377376,1cyclictest0-21swapper/422:59:024
242138499377375,1cyclictest0-21swapper/123:41:011
242141099374373,1cyclictest0-21swapper/422:17:024
242141099374372,1cyclictest0-21swapper/423:31:024
242141099373372,1cyclictest0-21swapper/419:20:024
242141099373371,1cyclictest2449287-21kworker/4:220:00:024
242141099372370,1cyclictest2701246-21kworker/4:100:20:024
242141099371369,1cyclictest2449287-21kworker/4:220:25:014
242141099370369,1cyclictest0-21swapper/420:14:024
242141099370368,1cyclictest2449287-21kworker/4:220:19:024
242141099370368,1cyclictest2428233-21kworker/4:019:43:024
242141099369368,1cyclictest2701246-21kworker/4:100:08:024
242141099369368,1cyclictest2701246-21kworker/4:100:08:024
242141099369367,1cyclictest2579355-21kworker/4:022:29:024
242141099369367,1cyclictest0-21swapper/419:53:024
242141099368367,1cyclictest2449287-21kworker/4:221:27:024
242141099368367,1cyclictest0-21swapper/421:00:024
242141099368367,1cyclictest0-21swapper/420:51:024
242141099367365,1cyclictest2609529-21kworker/4:123:26:024
242141099367365,1cyclictest0-21swapper/419:45:024
242141099367365,1cyclictest0-21swapper/419:45:024
242141099366365,1cyclictest2579355-21kworker/4:022:36:024
242141099366364,1cyclictest0-21swapper/421:33:024
242141099364363,1cyclictest2669994-21kworker/4:223:54:024
242141099362361,1cyclictest2449287-21kworker/4:220:34:024
242141099361360,1cyclictest2449287-21kworker/4:220:06:024
242141099361360,1cyclictest0-21swapper/419:18:024
242141099361359,1cyclictest2449287-21kworker/4:221:06:024
242141799354352,1cyclictest2505931-21kworker/5:123:45:025
242142599345344,1cyclictest97550irq/166-enp0s3121:04:026
242142599343341,1cyclictest97550irq/166-enp0s3123:09:026
242142599343341,1cyclictest97550irq/166-enp0s3121:29:026
242142599342340,1cyclictest97550irq/166-enp0s3123:27:016
242142599342340,1cyclictest97550irq/166-enp0s3121:15:026
242142599342340,1cyclictest97550irq/166-enp0s3121:15:026
242142599341339,1cyclictest97550irq/166-enp0s3122:11:026
242142599340338,1cyclictest97550irq/166-enp0s3119:55:026
242141799340339,1cyclictest2505931-21kworker/5:123:23:025
242142599339337,1cyclictest97550irq/166-enp0s3119:49:026
242142599339337,1cyclictest97550irq/166-enp0s3119:49:026
242142599339337,1cyclictest97550irq/166-enp0s3100:11:026
242140299339337,1cyclictest2685055-21ssh23:45:023
242142599338335,3cyclictest2562389-21kworker/6:022:43:026
242142599338335,3cyclictest2562389-21kworker/6:022:43:026
242142599338334,3cyclictest0-21swapper/621:11:026
242142599337335,1cyclictest97550irq/166-enp0s3123:44:026
242142599337335,1cyclictest97550irq/166-enp0s3122:09:026
242142599336335,1cyclictest0-21swapper/600:23:026
242142599336334,1cyclictest97550irq/166-enp0s3122:37:016
242142599336333,3cyclictest2470341-21kworker/6:221:23:026
242142599335333,1cyclictest97550irq/166-enp0s3100:18:026
242142599335333,1cyclictest0-21swapper/600:09:026
242142599335333,1cyclictest0-21swapper/600:09:016
242142599334332,1cyclictest97550irq/166-enp0s3123:33:026
242142599334332,1cyclictest97550irq/166-enp0s3123:02:026
242142599334332,1cyclictest97550irq/166-enp0s3100:25:026
242137799334332,1cyclictest2672536-21kworker/0:221:04:020
242142599333331,1cyclictest97550irq/166-enp0s3122:50:026
242142599332330,1cyclictest97550irq/166-enp0s3122:31:026
242142599332330,1cyclictest97550irq/166-enp0s3121:55:026
242142599332330,1cyclictest97550irq/166-enp0s3121:30:026
242142599332330,1cyclictest97550irq/166-enp0s3119:15:026
242142599332330,1cyclictest97550irq/166-enp0s3100:39:026
242142599331330,1cyclictest97550irq/166-enp0s3121:05:026
242142599331329,1cyclictest97550irq/166-enp0s3122:24:026
242142599331329,1cyclictest2562389-21kworker/6:023:19:026
242142599331329,1cyclictest2562389-21kworker/6:000:31:016
242142599331328,2cyclictest2562389-21kworker/6:022:55:016
242142599330329,1cyclictest97550irq/166-enp0s3122:49:026
242142599330328,1cyclictest97550irq/166-enp0s3123:57:026
242142599330328,1cyclictest97550irq/166-enp0s3123:52:026
242142599330328,1cyclictest97550irq/166-enp0s3123:35:026
242142599330328,1cyclictest97550irq/166-enp0s3123:11:026
242142599330328,1cyclictest2470341-21kworker/6:221:47:016
242142599329328,1cyclictest0-21swapper/622:03:026
242142599329327,1cyclictest97550irq/166-enp0s3123:21:026
242142599329327,1cyclictest97550irq/166-enp0s3122:25:026
242142599329327,1cyclictest97550irq/166-enp0s3120:35:026
242142599329327,1cyclictest97550irq/166-enp0s3120:01:026
242142599329327,1cyclictest97550irq/166-enp0s3119:42:026
242142599329327,1cyclictest97550irq/166-enp0s3100:03:026
242142599328327,1cyclictest0-21swapper/621:44:026
242142599328326,1cyclictest97550irq/166-enp0s3119:12:026
242142599327325,1cyclictest97550irq/166-enp0s3123:47:026
242142599327325,1cyclictest97550irq/166-enp0s3120:17:026
242137799327325,1cyclictest0-21swapper/022:09:020
242142599326325,1cyclictest97550irq/166-enp0s3119:39:026
242142599325324,1cyclictest0-21swapper/621:35:026
242142599325323,1cyclictest0-21swapper/619:29:026
242137799324323,1cyclictest2696964-21kworker/0:100:14:020
242142599323322,1cyclictest0-21swapper/620:21:026
242142599323321,1cyclictest2470341-21kworker/6:220:55:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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