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2025-11-19 - 23:20
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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 Nov 19, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268019910679853458,53340cyclictest0-21swapper11:44:050
268019910675953415,53253cyclictest0-21swapper08:56:160
268019910668353422,53195cyclictest0-21swapper07:49:270
268019910660053411,53189cyclictest0-21swapper09:03:280
268019910654153385,53091cyclictest0-21swapper11:20:480
268019910649153403,53023cyclictest0-21swapper10:58:410
268019910648853463,53025cyclictest0-21swapper08:06:520
268019910647753415,53062cyclictest0-21swapper10:43:370
268019910646753451,53016cyclictest0-21swapper09:07:090
268019910646353452,53011cyclictest0-21swapper11:46:150
268019910641753425,52992cyclictest0-21swapper11:28:200
268019910640953455,52889cyclictest9-21ksoftirqd/007:25:000
268019910640553468,52937cyclictest0-21swapper07:34:430
268019910639753473,52861cyclictest26800-21cyclictest07:53:580
268019910636353432,52931cyclictest0-21swapper07:29:010
268019910622153432,52789cyclictest0-21swapper07:57:290
268019910617353404,52769cyclictest0-21swapper09:27:350
268019910615453398,52756cyclictest0-21swapper10:07:070
268019910614953392,52757cyclictest0-21swapper08:24:570
268019910614753396,52751cyclictest0-21swapper08:33:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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