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2026-05-25 - 00:42
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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 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
83729910619253416,52776cyclictest0-21swapper08:21:440
83729910618653456,52730cyclictest0-21swapper08:46:110
83729910618253469,52713cyclictest0-21swapper10:25:100
83729910610453393,52711cyclictest0-21swapper07:15:350
83729910609952987,53110cyclictest0-21swapper11:28:080
83729910597152908,53061cyclictest0-21swapper07:22:470
83729910585752953,52898cyclictest16069-21ssh09:41:470
83729910544653178,52258cyclictest0-21swapper09:22:420
83729910533353102,52231cyclictest0-21swapper08:04:290
83729910513753049,52086cyclictest0-21swapper07:41:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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