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2026-06-20 - 11:11
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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
Characteristics of the 10 highest latencies:
System rack6slot6 (updated Sat Jun 20, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75859910686653382,53421cyclictest9-21ksoftirqd/022:08:090
75859910684953478,53248cyclictest3261-21gnome-power-man21:14:040
75859910672753473,53254cyclictest0-21swapper20:32:020
75859910671753445,53175cyclictest121782sleep023:13:180
75859910671453456,53169cyclictest7578-21cyclictest21:08:320
75859910655653424,53065cyclictest0-21swapper20:41:140
75859910654553403,53142cyclictest0-21swapper19:52:000
75859910650153401,53100cyclictest0-21swapper20:14:570
75859910647753478,52999cyclictest0-21swapper22:47:410
75859910647553455,53020cyclictest0-21swapper22:23:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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