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2026-06-03 - 08:12
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Wed Jun 03, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129780599382380,1cyclictest311356-21kworker/3:021:15:023
1297805993810,380cyclictest0-21swapper/323:45:033
1297805993810,380cyclictest0-21swapper/322:32:033
129780599380379,1cyclictest1442672-21kworker/3:123:17:023
129780599380379,1cyclictest1442672-21kworker/3:122:49:023
129780599380379,1cyclictest1442672-21kworker/3:122:41:023
1297805993800,379cyclictest0-21swapper/300:30:023
1297805993800,379cyclictest0-21swapper/300:30:023
129780599379378,1cyclictest311356-21kworker/3:022:07:033
129780599379378,1cyclictest1442672-21kworker/3:123:34:023
129780599379378,1cyclictest1442672-21kworker/3:122:39:023
129780599379377,1cyclictest311356-21kworker/3:022:11:023
1297805993790,1cyclictest0-21swapper/321:24:023
129780599378377,1cyclictest311356-21kworker/3:020:45:033
129780599378377,1cyclictest1442672-21kworker/3:100:07:023
129780599378377,1cyclictest0-21swapper/323:28:023
129780599378377,1cyclictest0-21swapper/321:05:033
129780599377376,1cyclictest311356-21kworker/3:021:44:023
129780599377376,1cyclictest311356-21kworker/3:019:52:033
129780599377376,1cyclictest1591825-21kworker/3:000:38:023
129780599377376,1cyclictest0-21swapper/323:58:023
129780599377376,1cyclictest0-21swapper/321:53:023
129780599377376,1cyclictest0-21swapper/321:45:033
129780599377376,1cyclictest0-21swapper/319:45:023
129780599376375,1cyclictest311356-21kworker/3:020:07:023
129780599376375,1cyclictest0-21swapper/320:30:023
129780599375374,1cyclictest0-21swapper/320:13:033
129780599375374,1cyclictest0-21swapper/320:13:023
129780599374373,1cyclictest311356-21kworker/3:021:03:023
129780599373372,1cyclictest311356-21kworker/3:020:53:023
129780599373372,1cyclictest311356-21kworker/3:019:37:023
129780599373372,1cyclictest0-21swapper/320:22:033
129780599373372,1cyclictest0-21swapper/319:56:033
129780599373372,1cyclictest0-21swapper/319:14:023
129780599373370,3cyclictest311356-21kworker/3:020:39:023
129783499372371,1cyclictest0-21swapper/723:39:027
129782099372371,1cyclictest0-21swapper/523:50:025
129780599372371,1cyclictest311356-21kworker/3:020:43:023
129780599372371,1cyclictest311356-21kworker/3:019:26:023
129780599372371,1cyclictest311356-21kworker/3:019:21:033
129780599371370,1cyclictest311356-21kworker/3:019:33:023
129782099368367,1cyclictest0-21swapper/521:40:035
129783499366364,1cyclictest0-21swapper/700:16:027
129782099366364,1cyclictest0-21swapper/521:57:035
129783499365363,1cyclictest0-21swapper/722:01:027
129783499365363,1cyclictest0-21swapper/700:24:027
129782099365364,1cyclictest0-21swapper/500:03:025
129783499364363,1cyclictest1397531-21kworker/7:123:27:027
129783499364363,1cyclictest0-21swapper/723:55:027
129782099364363,1cyclictest0-21swapper/522:01:035
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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