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2026-03-06 - 22:04
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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 Mar 06, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268984199382380,1cyclictest2943856-21kworker/1:108:01:021
268984199380379,1cyclictest2726779-21kworker/1:010:01:021
268984199380379,1cyclictest0-21swapper/111:41:021
268984199380379,1cyclictest0-21swapper/110:23:011
268984199380378,1cyclictest2943856-21kworker/1:107:58:011
268984199380378,1cyclictest2943856-21kworker/1:107:50:011
268984199380378,1cyclictest2943856-21kworker/1:107:35:021
268984199380378,1cyclictest2850123-21kworker/1:112:05:021
268984199380378,1cyclictest2726779-21kworker/1:010:05:021
268984199380378,1cyclictest2726779-21kworker/1:010:05:011
268984199380378,1cyclictest2726779-21kworker/1:009:58:021
268984199380378,1cyclictest0-21swapper/111:47:021
268984199380378,1cyclictest0-21swapper/109:42:021
268984199380378,1cyclictest0-21swapper/108:17:011
2689841993800,379cyclictest0-21swapper/112:39:011
2689841993800,379cyclictest0-21swapper/110:35:021
2689841993800,379cyclictest0-21swapper/107:15:011
268984199379378,1cyclictest2850123-21kworker/1:112:20:011
268984199379378,1cyclictest2726779-21kworker/1:010:52:011
268984199379378,1cyclictest0-21swapper/111:59:021
268984199379378,1cyclictest0-21swapper/110:46:011
268984199379378,1cyclictest0-21swapper/110:31:011
268984199379378,1cyclictest0-21swapper/110:19:021
268984199379378,1cyclictest0-21swapper/108:46:021
268984199379377,1cyclictest2726779-21kworker/1:009:15:021
268984199379377,1cyclictest2726779-21kworker/1:008:40:021
268984199379377,1cyclictest2726779-21kworker/1:008:40:021
268984199379377,1cyclictest2726779-21kworker/1:008:10:021
2689841993790,379cyclictest0-21swapper/109:50:021
2689841993790,379cyclictest0-21swapper/107:32:021
2689841993790,1cyclictest0-21swapper/107:48:021
268986799378377,1cyclictest2705719-21kworker/4:208:41:024
268986799378377,1cyclictest2705719-21kworker/4:208:41:024
268984199378377,1cyclictest2726779-21kworker/1:011:10:021
268984199378377,1cyclictest2726779-21kworker/1:008:24:011
268984199378377,1cyclictest0-21swapper/111:32:021
268984199378377,1cyclictest0-21swapper/110:13:021
268984199378377,1cyclictest0-21swapper/109:38:021
268984199378376,1cyclictest2850123-21kworker/1:112:34:011
268984199377376,1cyclictest2850123-21kworker/1:112:03:021
268984199377375,1cyclictest2726779-21kworker/1:010:41:021
268984199376375,1cyclictest2726779-21kworker/1:011:23:021
268984199376375,1cyclictest2726779-21kworker/1:011:19:021
268984199376375,1cyclictest2726779-21kworker/1:009:02:021
268984199376375,1cyclictest2726779-21kworker/1:008:56:011
268984199376374,1cyclictest2943856-21kworker/1:107:12:021
268984199376374,1cyclictest2850123-21kworker/1:112:14:021
268984199376374,1cyclictest2850123-21kworker/1:111:39:021
268984199376374,1cyclictest2850123-21kworker/1:111:39:021
268984199376374,1cyclictest2732792-21kworker/1:209:27:011
268984199375374,1cyclictest2943856-21kworker/1:107:29:021
268984199375374,1cyclictest2850123-21kworker/1:112:27:011
268984199375374,1cyclictest2850123-21kworker/1:111:53:021
268984199375374,1cyclictest2726779-21kworker/1:011:06:021
268984199375374,1cyclictest2726779-21kworker/1:009:23:021
268984199375373,1cyclictest2732792-21kworker/1:209:34:021
268984199375373,1cyclictest2726779-21kworker/1:010:29:021
268984199374373,1cyclictest2943856-21kworker/1:108:06:011
268984199374373,1cyclictest2943856-21kworker/1:107:42:021
268984199374373,1cyclictest2850123-21kworker/1:112:19:021
268984199374373,1cyclictest2726779-21kworker/1:011:04:021
268984199374373,1cyclictest2726779-21kworker/1:008:51:021
268984199373372,1cyclictest2726779-21kworker/1:009:06:021
268984199373372,1cyclictest2726779-21kworker/1:008:27:021
268988299371367,1cyclictest2783873-21kworker/6:211:48:026
268986799346343,2cyclictest2814023-21kworker/4:012:08:024
268986799343342,1cyclictest0-21swapper/410:15:024
268986799343341,1cyclictest0-21swapper/407:53:024
268986799342341,1cyclictest2705719-21kworker/4:209:35:014
268986799341340,1cyclictest2680705-21kworker/4:107:20:024
268986799341340,1cyclictest2680705-21kworker/4:107:10:014
268986799341340,1cyclictest0-21swapper/408:50:024
268986799341340,1cyclictest0-21swapper/408:30:024
268986799340338,1cyclictest2814023-21kworker/4:011:40:024
268986799338337,1cyclictest2814023-21kworker/4:010:40:024
268986799338337,1cyclictest0-21swapper/411:52:024
268986799338337,1cyclictest0-21swapper/409:00:024
268986799337336,1cyclictest2814023-21kworker/4:010:50:014
268986799337336,1cyclictest2705719-21kworker/4:210:27:024
268986799337336,1cyclictest2705719-21kworker/4:208:00:024
268986799337336,1cyclictest0-21swapper/408:15:014
268986799337335,1cyclictest2868183-21kworker/4:212:15:014
268986799337335,1cyclictest2705719-21kworker/4:210:12:014
268986799336335,1cyclictest2814023-21kworker/4:010:57:014
268986799336335,1cyclictest2705719-21kworker/4:210:06:024
268986799336335,1cyclictest2705719-21kworker/4:210:06:024
268986799336335,1cyclictest2705719-21kworker/4:209:08:024
268986799336335,1cyclictest2705719-21kworker/4:207:40:014
268986799336335,1cyclictest0-21swapper/411:45:024
268986799336335,1cyclictest0-21swapper/411:35:024
268986799336335,1cyclictest0-21swapper/411:35:024
268986799336335,1cyclictest0-21swapper/411:00:024
268986799336335,1cyclictest0-21swapper/409:53:024
268986799336335,1cyclictest0-21swapper/409:40:014
268986799336335,1cyclictest0-21swapper/407:16:024
268986799336334,1cyclictest2868183-21kworker/4:212:30:014
268986799335334,1cyclictest2705719-21kworker/4:209:30:014
268986799335334,1cyclictest0-21swapper/411:30:024
268986799335334,1cyclictest0-21swapper/410:39:024
268986799335334,1cyclictest0-21swapper/409:25:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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