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2026-05-23 - 09:22
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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 20 highest latencies:
System rack6slot6 (updated Sat May 23, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
776299210158105399,104757cyclictest10279-21ssh21:33:330
77629910715153473,53678cyclictest0-21swapper00:17:100
77629910700653399,53518cyclictest3950irq/9-acpi00:01:450
77629910697853380,53509cyclictest3950irq/9-acpi23:39:490
77629910675453462,53228cyclictest7758-21cyclictest19:48:020
77629910670853459,53249cyclictest0-21swapper22:19:560
77629910663653418,53218cyclictest0-21swapper22:03:210
77629910657053476,53094cyclictest0-21swapper19:43:210
77629910650953435,53074cyclictest0-21swapper21:02:340
77629910650353467,53036cyclictest0-21swapper00:26:530
77629910645953466,52993cyclictest0-21swapper20:23:430
77629910645353446,53007cyclictest0-21swapper19:26:360
77629910644753403,53044cyclictest0-21swapper00:11:180
77629910644253437,53005cyclictest0-21swapper20:52:410
77629910643853397,53041cyclictest0-21swapper22:50:450
77629910642753392,53035cyclictest0-21swapper23:05:090
77629910641053423,52987cyclictest0-21swapper00:35:550
77629910629353389,52839cyclictest0-21swapper21:12:060
77629910625353381,52872cyclictest0-21swapper23:21:040
77629910625253386,52801cyclictest0-21swapper20:12:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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