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2025-11-16 - 14:28
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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 Nov 16, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63119910735253467,53787cyclictest7275-21rm10:15:240
63119910670253417,53194cyclictest0-21swapper09:37:130
63119910668953453,53236cyclictest0-21swapper11:21:430
63119910665953473,53120cyclictest0-21swapper11:03:180
63119910665053404,53246cyclictest0-21swapper09:08:150
63119910654953403,53146cyclictest0-21swapper08:30:040
63119910653653399,53137cyclictest0-21swapper09:13:270
63119910649253466,53026cyclictest0-21swapper09:57:090
63119910647153458,53013cyclictest0-21swapper08:00:050
63119910645253447,53005cyclictest0-21swapper10:24:270
63119910643853438,53000cyclictest0-21swapper08:05:370
63119910642953436,52993cyclictest0-21swapper09:03:140
63119910641953429,52990cyclictest0-21swapper12:16:290
63119910637753464,52850cyclictest9-21ksoftirqd/008:25:430
63119910633453401,52867cyclictest0-21swapper08:51:200
63119910627653380,52805cyclictest0-21swapper07:13:320
63119910621953476,52743cyclictest0-21swapper07:52:530
63119910617653456,52720cyclictest0-21swapper08:11:190
63119910613553431,52704cyclictest0-21swapper07:32:070
63119910537253019,52350cyclictest23591-21ssh12:06:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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