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2026-06-01 - 13:21
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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 Jun 01, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14469910697153428,53421cyclictest9862-21ssh23:19:570
14469910665553380,53210cyclictest9-21ksoftirqd/023:36:220
14469910661253456,53156cyclictest1439-21cyclictest00:25:360
14469910658753468,53119cyclictest0-21swapper20:04:310
14469910655653391,53099cyclictest0-21swapper21:39:390
14469910655053391,53069cyclictest0-21swapper21:25:040
14469910654753385,53098cyclictest9-21ksoftirqd/021:10:100
14469910651853476,52944cyclictest32529-21munin-node21:30:260
14469910651553475,53040cyclictest0-21swapper21:41:290
14469910651253479,53033cyclictest0-21swapper22:53:500
14469910651253477,53035cyclictest0-21swapper00:35:590
14469910650553478,53027cyclictest0-21swapper21:46:200
14469910649753470,53027cyclictest0-21swapper23:02:530
14469910649253468,53024cyclictest0-21swapper23:12:550
14469910648653461,53025cyclictest0-21swapper00:34:390
14469910646753452,53015cyclictest0-21swapper23:50:060
14469910645453446,53008cyclictest0-21swapper00:05:310
14469910643953443,52996cyclictest0-21swapper21:18:430
14469910642853433,52995cyclictest0-21swapper23:26:290
14469910642253422,53000cyclictest0-21swapper19:47:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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