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2026-04-13 - 23:17
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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 Mon Apr 13, 2026 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260229910732353393,53835cyclictest6686-21ssh10:38:460
260229910720453379,53761cyclictest55082sleep007:37:140
260229910706953400,53548cyclictest16687-21ssh12:29:380
260229910702553408,53525cyclictest0-21swapper08:27:490
260229910690853413,53495cyclictest0-21swapper07:31:020
260229910687353443,53365cyclictest9-21ksoftirqd/009:36:180
260229910669853425,53210cyclictest3950irq/9-acpi09:48:120
260229910665253463,53189cyclictest0-21swapper11:08:250
260229910663153458,53173cyclictest0-21swapper12:01:400
260229910662953429,53183cyclictest18944-21ssh10:56:010
260229910662453454,53170cyclictest0-21swapper08:57:570
260229910656353426,53137cyclictest0-21swapper07:11:470
260229910655553418,53137cyclictest0-21swapper10:17:100
260229910655253418,53134cyclictest0-21swapper12:14:140
260229910655253389,53095cyclictest0-21swapper11:04:340
260229910654353386,53092cyclictest0-21swapper11:51:170
260229910652053403,53117cyclictest0-21swapper10:13:590
260229910650853459,53049cyclictest0-21swapper11:17:480
260229910648253402,53080cyclictest0-21swapper10:49:500
260229910647653416,53060cyclictest0-21swapper12:05:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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