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2026-05-14 - 00:19
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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 Wed May 13, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272789910720553456,53627cyclictest26400-21ssh11:53:420
272789910704453404,53517cyclictest944-21ssh10:28:280
272789910699053409,53517cyclictest134850irq/9-eth010:20:150
272789910672853407,53230cyclictest9-21ksoftirqd/012:16:190
272789910664953470,53179cyclictest0-21swapper09:18:280
272789910663353416,53217cyclictest0-21swapper07:59:150
272789910662953393,53236cyclictest0-21swapper10:39:010
272789910656553426,53048cyclictest0-21swapper09:58:390
272789910652553469,53056cyclictest0-21swapper07:21:340
272789910645853407,53051cyclictest0-21swapper10:00:300
272789910644853402,53046cyclictest0-21swapper12:38:250
272789910644053397,53043cyclictest0-21swapper08:14:090
272789910643953444,52995cyclictest0-21swapper08:53:100
272789910643653395,53041cyclictest0-21swapper12:09:270
272789910642453439,52985cyclictest0-21swapper09:22:590
272789910636353398,52874cyclictest10-21rcuc/007:54:430
272789910633053392,52873cyclictest9-21ksoftirqd/007:35:080
272789910629753462,52835cyclictest0-21swapper09:29:310
272789910627553429,52846cyclictest0-21swapper09:07:450
272789910625753445,52812cyclictest0-21swapper08:27:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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