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2026-06-13 - 09:48
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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 10 highest latencies:
System rackdslot0.osadl.org (updated Sat Jun 13, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6475992818,10cyclictest0-21swapper/122:06:311
6479992617,9cyclictest0-21swapper/221:15:132
647099251,19cyclictest0-21swapper/000:09:590
647999220,18cyclictest0-21swapper/219:27:012
647099220,8cyclictest0-21swapper/023:44:000
647999210,18cyclictest6565-21apt-config22:00:002
647599210,18cyclictest0-21swapper/122:01:081
647999204,1cyclictest0-21swapper/221:10:152
6479992017,2cyclictest0-21swapper/219:20:132
647999192,16cyclictest13124-21expr22:10:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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