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2026-05-24 - 20:02
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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 10 highest latencies:
System rack6slot6 (updated Sun May 24, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83729910698553403,53517cyclictest9-21ksoftirqd/011:57:160
83729910670353417,53189cyclictest2099-21runrttasks08:16:230
83729910665953467,53124cyclictest0-21swapper12:34:370
83729910664753461,53062cyclictest24163-21ssh09:54:210
83729910645153403,53048cyclictest0-21swapper10:12:460
83729910642653431,52995cyclictest0-21swapper11:00:200
83729910642253429,52993cyclictest0-21swapper09:46:090
83729910636953465,52839cyclictest0-21swapper09:01:260
83729910622553416,52809cyclictest0-21swapper10:48:170
83729910621553471,52744cyclictest0-21swapper08:12:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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