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2026-09-07 - 13:41
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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 Mon Sep 07, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273139910758153477,53980cyclictest2099-21runrttasks20:59:310
273139910716153427,53611cyclictest4562-21ssh21:47:240
273139910694153378,53500cyclictest3950irq/9-acpi22:31:470
273139910667853386,53227cyclictest0-21swapper23:50:200
273139910664353430,53213cyclictest0-21swapper00:35:430
273139910663153391,53240cyclictest0-21swapper19:52:010
273139910661153456,53034cyclictest2099-21runrttasks19:43:190
273139910659253446,53055cyclictest0-21swapper23:27:330
273139910656653395,53080cyclictest0-21swapper00:13:170
273139910656353429,53011cyclictest14211-21ssh00:21:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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