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2026-06-11 - 15:06
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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 Thu Jun 11, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415188599353352,1cyclictest0-21swapper/121:48:021
415187999353351,1cyclictest0-21swapper/023:55:020
415188599348347,1cyclictest0-21swapper/123:55:021
415187999348347,1cyclictest0-21swapper/023:51:020
415188599346345,1cyclictest0-21swapper/121:23:021
415188599345343,1cyclictest0-21swapper/123:51:021
415187999345344,1cyclictest0-21swapper/000:33:010
415187999345343,1cyclictest88608-21kworker/0:223:25:020
415187999345343,1cyclictest0-21swapper/021:47:020
415187999344342,1cyclictest0-21swapper/000:03:010
415187999343341,1cyclictest199064-21kworker/0:023:39:010
415188599342340,1cyclictest0-21swapper/100:33:021
415187999342341,1cyclictest0-21swapper/000:09:020
415188599341340,1cyclictest4164751-21kworker/1:222:49:021
415188599341340,1cyclictest4164751-21kworker/1:221:05:021
415188599341340,1cyclictest0-21swapper/122:25:021
415188599341340,1cyclictest0-21swapper/121:15:021
415187999341340,1cyclictest0-21swapper/023:17:020
415187999341339,1cyclictest88608-21kworker/0:222:09:020
415187999341339,1cyclictest4191832-21kworker/0:121:37:020
415187999341339,1cyclictest199064-21kworker/0:000:37:020
415187999341339,1cyclictest0-21swapper/021:41:020
415187999341338,2cyclictest88608-21kworker/0:222:36:020
415188599340339,1cyclictest4164751-21kworker/1:221:13:011
415188599340339,1cyclictest0-21swapper/123:25:021
415188599340339,1cyclictest0-21swapper/123:19:021
415188599340338,1cyclictest0-21swapper/100:03:021
415187999340338,1cyclictest88608-21kworker/0:222:44:020
415187999340338,1cyclictest4191832-21kworker/0:121:24:020
415187999340338,1cyclictest4139732-21kworker/0:219:33:010
415187999340338,1cyclictest0-21swapper/020:05:020
415187999340338,1cyclictest0-21swapper/019:11:020
415188599339338,1cyclictest0-21swapper/121:29:021
415188599339338,1cyclictest0-21swapper/121:29:021
415188599339337,1cyclictest4164751-21kworker/1:221:51:021
415188599339337,1cyclictest0-21swapper/123:39:021
415187999339338,1cyclictest4191832-21kworker/0:121:25:020
415187999339338,1cyclictest4191832-21kworker/0:121:25:010
415187999339338,1cyclictest199064-21kworker/0:023:45:020
415187999339338,1cyclictest0-21swapper/019:17:020
415187999339337,1cyclictest88608-21kworker/0:222:16:010
415187999339337,1cyclictest0-21swapper/019:43:020
415187999339337,1cyclictest0-21swapper/019:29:020
415187999339337,1cyclictest0-21swapper/019:23:020
415187999339335,3cyclictest4191832-21kworker/0:120:55:020
415188599337336,1cyclictest4164751-21kworker/1:223:07:021
415188599337336,1cyclictest4164751-21kworker/1:222:57:011
415188599337336,1cyclictest0-21swapper/122:33:021
415188599337336,1cyclictest0-21swapper/122:09:011
415188599337336,1cyclictest0-21swapper/122:03:011
415188599337336,1cyclictest0-21swapper/121:41:011
415188599337336,1cyclictest0-21swapper/121:37:011
415188599337336,1cyclictest0-21swapper/120:11:021
415187999337336,1cyclictest88608-21kworker/0:222:28:020
415187999337336,1cyclictest0-21swapper/020:17:020
415187999337335,1cyclictest199064-21kworker/0:000:19:020
415193099336335,1cyclictest76514-21kworker/7:123:41:027
415188599336335,1cyclictest0-21swapper/122:44:021
415188599336335,1cyclictest0-21swapper/100:37:021
415187999336334,1cyclictest88608-21kworker/0:222:50:020
415187999336334,1cyclictest88608-21kworker/0:222:50:020
415187999336334,1cyclictest88608-21kworker/0:222:34:010
415188599335334,1cyclictest4164751-21kworker/1:223:11:021
415188599335334,1cyclictest0-21swapper/123:33:021
415188599335334,1cyclictest0-21swapper/120:53:021
415188599335334,1cyclictest0-21swapper/120:25:021
415188599335334,1cyclictest0-21swapper/120:05:021
415188599335334,1cyclictest0-21swapper/119:33:021
415188599335334,1cyclictest0-21swapper/119:29:021
415188599335334,1cyclictest0-21swapper/119:17:011
415188599335334,1cyclictest0-21swapper/119:11:011
415188599335333,1cyclictest0-21swapper/119:45:021
415188599334333,1cyclictest4164751-21kworker/1:220:03:021
415188599334333,1cyclictest0-21swapper/120:17:021
415188599334333,1cyclictest0-21swapper/119:43:021
415188599334333,1cyclictest0-21swapper/119:23:021
415188599334332,1cyclictest4164751-21kworker/1:200:11:021
415188599334332,1cyclictest4164751-21kworker/1:200:11:011
415187999334332,1cyclictest0-21swapper/021:14:020
415193099333332,1cyclictest76514-21kworker/7:123:03:027
415188599333332,1cyclictest0-21swapper/120:55:021
415188599332331,1cyclictest0-21swapper/100:19:021
415188599332330,1cyclictest0-21swapper/119:53:011
415187999332331,1cyclictest88608-21kworker/0:223:02:020
415187999332331,1cyclictest0-21swapper/022:13:020
415187999332331,1cyclictest0-21swapper/020:47:020
415187999332330,1cyclictest199064-21kworker/0:000:28:010
415188599331330,1cyclictest0-21swapper/123:47:011
415188599331330,1cyclictest0-21swapper/122:39:021
415188599331329,1cyclictest4164751-21kworker/1:221:32:021
415188599331329,1cyclictest0-21swapper/120:21:021
415187999331329,1cyclictest4139732-21kworker/0:220:13:020
415187999331329,1cyclictest0-21swapper/020:20:020
415187999330329,1cyclictest0-21swapper/020:51:020
415187999330328,1cyclictest0-21swapper/021:55:020
415187999330328,1cyclictest0-21swapper/020:37:010
415187999330328,1cyclictest0-21swapper/020:30:010
415188599329328,1cyclictest0-21swapper/122:18:021
415188599329328,1cyclictest0-21swapper/119:35:021
415188599329327,1cyclictest4164751-21kworker/1:223:43:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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