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2026-01-09 - 18:19
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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 Fri Jan 09, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147769910729253402,53770cyclictest2099-21runrttasks08:06:590
147769910714953431,53622cyclictest5090-21ssh12:25:440
147769910692153446,53385cyclictest14775-21cyclictest10:43:040
147769910671353467,53246cyclictest0-21swapper12:22:030
147769910668253476,53113cyclictest0-21swapper09:38:460
147769910666053478,53116cyclictest0-21swapper08:50:320
147769910665953422,53237cyclictest0-21swapper08:43:500
147769910656053407,53153cyclictest0-21swapper07:34:000
147769910653253478,53054cyclictest0-21swapper09:16:500
147769910653253433,53099cyclictest0-21swapper07:56:260
147769910652153475,53046cyclictest0-21swapper07:17:450
147769910651353475,53038cyclictest0-21swapper12:13:510
147769910651353474,53039cyclictest0-21swapper11:48:530
147769910648953463,53026cyclictest0-21swapper08:31:270
147769910647953415,53064cyclictest0-21swapper09:09:270
147769910647753457,53020cyclictest0-21swapper11:26:570
147769910644653445,53001cyclictest0-21swapper10:10:050
147769910643653396,53040cyclictest0-21swapper10:09:150
147769910643053421,53009cyclictest0-21swapper08:19:330
147769910641253429,52983cyclictest0-21swapper11:13:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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