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2026-05-12 - 04:30
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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 Tue May 12, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157916199380379,1cyclictest3041704-21kworker/0:119:54:020
157916199380379,1cyclictest3041704-21kworker/0:119:33:020
1579161993800,379cyclictest0-21swapper/020:08:010
1579161993800,1cyclictest0-21swapper/021:05:020
157916199379378,1cyclictest3041704-21kworker/0:119:29:020
157916199379377,1cyclictest3041704-21kworker/0:120:31:020
157916199378377,1cyclictest3041704-21kworker/0:119:43:020
157916199378377,1cyclictest0-21swapper/020:39:020
157916199378376,1cyclictest0-21swapper/019:24:020
157917199356355,1cyclictest0-21swapper/100:02:011
157919999349348,1cyclictest1604067-21kworker/5:122:13:025
157919999346345,1cyclictest1604067-21kworker/5:122:07:015
157919999345344,1cyclictest1899660-21kworker/5:200:35:015
157919999345344,1cyclictest1847430-21kworker/5:219:35:015
157919999345344,1cyclictest1604067-21kworker/5:122:43:025
157919999345343,1cyclictest1604067-21kworker/5:121:59:015
157919999344343,1cyclictest1604067-21kworker/5:122:57:015
157919999344342,1cyclictest1604067-21kworker/5:123:31:015
157919999344342,1cyclictest1604067-21kworker/5:121:17:015
157919999343341,1cyclictest1604067-21kworker/5:123:09:025
157919999342341,1cyclictest1604067-21kworker/5:123:21:015
157919999342340,1cyclictest1604067-21kworker/5:122:37:015
157919999341340,1cyclictest1604067-21kworker/5:122:03:015
157919999341339,1cyclictest1847430-21kworker/5:220:01:015
157919999341339,1cyclictest1847430-21kworker/5:220:01:015
157919999340339,1cyclictest1604067-21kworker/5:123:29:015
157919999340338,1cyclictest1604067-21kworker/5:122:49:015
157919999340338,1cyclictest1604067-21kworker/5:122:15:025
157919999340338,1cyclictest1604067-21kworker/5:121:45:025
157919999339337,1cyclictest1604067-21kworker/5:123:51:025
157919999339337,1cyclictest1604067-21kworker/5:123:11:025
157919999339337,1cyclictest1604067-21kworker/5:122:30:025
157919999339337,1cyclictest1604067-21kworker/5:121:25:025
157919999339337,1cyclictest0-21swapper/500:09:025
157919999339336,1cyclictest1604067-21kworker/5:121:12:015
157919999338337,1cyclictest1604067-21kworker/5:121:36:015
157919999338337,1cyclictest0-21swapper/523:36:015
157919999338336,1cyclictest1604067-21kworker/5:100:13:025
157919999337336,1cyclictest1604067-21kworker/5:122:23:015
157919999337336,1cyclictest1604067-21kworker/5:121:21:025
157919999337336,1cyclictest1604067-21kworker/5:119:53:025
157919999337336,1cyclictest1604067-21kworker/5:100:31:025
157919999335334,1cyclictest1604067-21kworker/5:100:01:025
157919999335333,1cyclictest1604067-21kworker/5:123:43:015
157919999335333,1cyclictest1604067-21kworker/5:123:01:025
157919999335333,1cyclictest0-21swapper/522:51:015
157919999334332,1cyclictest1604067-21kworker/5:123:15:025
157919999334332,1cyclictest1604067-21kworker/5:120:23:025
157919999334332,1cyclictest0-21swapper/521:31:015
157919999333332,1cyclictest1847430-21kworker/5:219:21:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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