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2025-11-15 - 14:04
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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 Nov 15, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283739910726053479,53684cyclictest2103-21runrttasks20:19:490
283739910703653415,53530cyclictest0-21swapper22:21:340
283739910702253421,53504cyclictest12615-21sh23:08:580
283739910699953386,53523cyclictest3950irq/9-acpi21:37:410
283739910683753479,53358cyclictest2103-21runrttasks20:43:560
283739910671453466,53248cyclictest0-21swapper22:44:000
283739910657053384,53094cyclictest0-21swapper00:04:130
283739910651453478,53036cyclictest0-21swapper23:26:330
283739910648453460,53024cyclictest0-21swapper00:22:590
283739910646653411,53055cyclictest0-21swapper20:07:350
283739910645153402,53049cyclictest0-21swapper20:02:340
283739910645153401,53050cyclictest0-21swapper22:38:590
283739910644053441,52999cyclictest0-21swapper22:49:320
283739910643553436,52999cyclictest0-21swapper22:11:110
283739910643453435,52999cyclictest0-21swapper19:46:390
283739910642353428,52995cyclictest0-21swapper00:35:430
283739910641753424,52993cyclictest0-21swapper22:02:280
283739910629553401,52894cyclictest0-21swapper23:16:200
283739910625953389,52805cyclictest0-21swapper19:44:390
283739910625453413,52749cyclictest0-21swapper19:53:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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