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2026-04-18 - 04:47
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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 Sat Apr 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
324379910732953396,53844cyclictest31575-21kworker/u2:023:00:190
324379910723853432,53711cyclictest1374-21rm23:49:540
324379910704953400,53585cyclictest2183-1kworker/u2:221:29:230
324379910693853468,53405cyclictest9-21ksoftirqd/022:32:010
324379910667353418,53164cyclictest0-21swapper21:04:160
324379910664553423,53131cyclictest0-21swapper22:36:530
324379910660253478,53124cyclictest0-21swapper23:22:160
324379910657153444,53062cyclictest9-21ksoftirqd/021:14:190
324379910656353451,53112cyclictest0-21swapper19:49:440
324379910656153397,53074cyclictest0-21swapper00:20:020
324379910656153395,53076cyclictest0-21swapper22:41:340
324379910653053381,53086cyclictest0-21swapper22:16:070
324379910652553475,53050cyclictest0-21swapper00:05:580
324379910651553476,53039cyclictest0-21swapper21:52:400
324379910649753456,53041cyclictest0-21swapper20:08:200
324379910645853406,53052cyclictest0-21swapper00:16:410
324379910644853443,53005cyclictest0-21swapper22:10:150
324379910643353394,53039cyclictest0-21swapper21:37:350
324379910642253430,52992cyclictest0-21swapper00:02:170
324379910632553429,52896cyclictest0-21swapper21:31:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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