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2026-05-24 - 10:01
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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 Sun May 24, 2026 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186143299380377,1cyclictest2171735-21kworker/3:120:59:013
186145599343342,1cyclictest0-21swapper/623:20:016
186145599343341,1cyclictest0-21swapper/600:01:026
186145599342340,1cyclictest1957779-21kworker/6:222:33:026
186145599341340,1cyclictest0-21swapper/621:57:016
186145599341340,1cyclictest0-21swapper/600:20:036
186145599341339,1cyclictest2052772-21kworker/6:123:54:016
186145599341339,1cyclictest0-21swapper/622:12:016
186145599341339,1cyclictest0-21swapper/622:12:016
186145599340339,1cyclictest1861299-21kworker/6:121:18:026
186145599340339,1cyclictest0-21swapper/623:32:026
186145599340339,1cyclictest0-21swapper/622:25:016
186145599340339,1cyclictest0-21swapper/622:08:026
186145599340339,1cyclictest0-21swapper/621:35:016
186145599340339,1cyclictest0-21swapper/621:22:026
186145599340339,1cyclictest0-21swapper/600:25:016
186145599340339,1cyclictest0-21swapper/600:06:026
186145599340338,1cyclictest2052772-21kworker/6:123:42:016
186145599340338,1cyclictest0-21swapper/622:51:016
186145599340338,1cyclictest0-21swapper/622:44:026
186145599340338,1cyclictest0-21swapper/622:16:026
186143999340339,1cyclictest0-21swapper/422:03:014
186145599339338,1cyclictest2169669-21kworker/6:000:34:026
186145599339338,1cyclictest0-21swapper/623:04:016
186145599339338,1cyclictest0-21swapper/622:00:016
186145599339337,1cyclictest2052772-21kworker/6:100:15:026
186145599339337,1cyclictest0-21swapper/623:46:016
186145599339337,1cyclictest0-21swapper/619:40:016
186145599338337,1cyclictest0-21swapper/623:13:026
186145599338337,1cyclictest0-21swapper/622:46:016
186145599337335,1cyclictest2052772-21kworker/6:123:58:026
186145599337335,1cyclictest1861299-21kworker/6:119:35:016
186145599337334,2cyclictest2096934-21kworker/6:223:25:016
186145599336335,1cyclictest1861299-21kworker/6:119:30:016
186145599336335,1cyclictest0-21swapper/621:05:016
186145599336334,1cyclictest1957779-21kworker/6:222:36:026
186145599336334,1cyclictest0-21swapper/620:41:026
186145599336334,1cyclictest0-21swapper/620:41:026
186145599335334,1cyclictest0-21swapper/620:19:026
186145599335333,1cyclictest2052772-21kworker/6:123:38:026
186145599335333,1cyclictest2052772-21kworker/6:123:38:026
186145599335333,1cyclictest0-21swapper/619:11:026
186145599335333,1cyclictest0-21swapper/619:11:026
186145599334333,1cyclictest1861299-21kworker/6:121:14:026
186145599334333,1cyclictest1861299-21kworker/6:119:15:026
186145599334333,1cyclictest0-21swapper/620:31:016
186145599334333,1cyclictest0-21swapper/619:54:026
186145599334332,1cyclictest1957779-21kworker/6:221:52:016
186145599334332,1cyclictest1861299-21kworker/6:120:35:016
186145599334332,1cyclictest0-21swapper/619:57:026
186145599334332,1cyclictest0-21swapper/619:48:026
186145599333332,1cyclictest0-21swapper/621:04:016
186145599333332,1cyclictest0-21swapper/620:53:026
186145599333331,1cyclictest0-21swapper/620:22:026
186145599333331,1cyclictest0-21swapper/620:04:026
186145599333331,1cyclictest0-21swapper/619:22:026
186146199332329,1cyclictest0-21swapper/720:59:027
186145599330329,1cyclictest1861299-21kworker/6:120:07:016
186143999330328,1cyclictest0-21swapper/422:37:014
186143999328327,1cyclictest0-21swapper/423:12:014
186145599327325,1cyclictest1861299-21kworker/6:120:29:016
186143999327326,1cyclictest2162088-21kworker/4:000:31:024
186143999327326,1cyclictest2005775-21kworker/4:022:15:024
186143999327326,1cyclictest0-21swapper/400:03:014
186145599326325,1cyclictest1861299-21kworker/6:120:12:016
186143999326325,1cyclictest1913385-21kworker/4:121:30:024
186143999326325,1cyclictest0-21swapper/423:49:024
186143999326325,1cyclictest0-21swapper/422:40:014
186143999326324,1cyclictest2084142-21kworker/4:323:19:014
186143999326324,1cyclictest0-21swapper/421:43:014
186143999325324,1cyclictest1913385-21kworker/4:121:13:014
186143999325324,1cyclictest0-21swapper/423:00:014
186143999325323,1cyclictest0-21swapper/422:58:014
186143999325323,1cyclictest0-21swapper/420:20:014
186143999324323,1cyclictest2005775-21kworker/4:022:13:024
186143999324323,1cyclictest2005775-21kworker/4:022:13:024
186143999324323,1cyclictest0-21swapper/422:28:024
186143999324323,1cyclictest0-21swapper/400:21:024
186143999324322,1cyclictest2005775-21kworker/4:022:30:014
186143999324322,1cyclictest2005775-21kworker/4:022:21:014
186143999323322,1cyclictest2108139-21kworker/4:100:13:014
186143999323322,1cyclictest2108139-21kworker/4:100:08:014
186143999323322,1cyclictest1913385-21kworker/4:121:47:014
186143999323322,1cyclictest1913385-21kworker/4:121:00:024
186143999323322,1cyclictest0-21swapper/420:58:024
186143999323321,1cyclictest0-21swapper/422:52:024
186143999322321,1cyclictest2108139-21kworker/4:123:55:014
186143999322321,1cyclictest2005775-21kworker/4:023:09:014
186143999322320,1cyclictest0-21swapper/423:41:024
186143999322320,1cyclictest0-21swapper/421:39:014
186143999321320,1cyclictest0-21swapper/423:36:014
186143999321320,1cyclictest0-21swapper/423:36:014
186143999321319,1cyclictest2084142-21kworker/4:323:28:014
186143999320319,1cyclictest0-21swapper/420:50:024
186143999320319,1cyclictest0-21swapper/419:31:024
186143999320318,1cyclictest2119064-21kworker/4:320:15:014
186143999320318,1cyclictest1913385-21kworker/4:121:06:014
186143999318317,1cyclictest2119064-21kworker/4:319:14:014
186143999318317,1cyclictest2119064-21kworker/4:319:14:014
186143999318317,1cyclictest0-21swapper/423:50:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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