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2026-04-08 - 19:10
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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 Apr 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314359910760853417,54099cyclictest0-21swapper11:56:050
314359910720153452,53657cyclictest9-21ksoftirqd/007:32:590
314359910709153421,53577cyclictest0-21swapper08:13:000
314359910692753405,53400cyclictest11572-21ssh11:25:360
314359910683853400,53438cyclictest0-21swapper09:26:320
314359910675653479,53277cyclictest0-21swapper09:19:500
314359910669653428,53176cyclictest0-21swapper07:47:230
314359910668253476,53156cyclictest32095-21rm11:09:110
314359910656653459,53107cyclictest0-21swapper07:35:200
314359910654753417,53039cyclictest0-21swapper10:05:430
314359910650853474,53034cyclictest0-21swapper10:23:280
314359910649753470,53027cyclictest0-21swapper12:07:080
314359910648253461,53021cyclictest0-21swapper10:11:240
314359910647453459,53015cyclictest0-21swapper08:21:330
314359910645553401,53054cyclictest0-21swapper11:45:520
314359910641753428,52989cyclictest0-21swapper08:49:210
314359910641153422,52989cyclictest0-21swapper09:03:250
314359910629853388,52818cyclictest0-21swapper09:54:100
314359910626853374,52804cyclictest9-21ksoftirqd/007:26:070
314359910621253472,52740cyclictest0-21swapper07:55:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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