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2026-04-01 - 13:33
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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 Wed Apr 01, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164769910716353393,53705cyclictest9-21ksoftirqd/021:35:030
164769910698953459,53433cyclictest32480-21runrttasks20:59:220
164769910677953399,53315cyclictest0-21swapper22:47:540
164769910675953456,53206cyclictest1907-21snmpd19:31:170
164769910670953470,53239cyclictest0-21swapper23:30:360
164769910664653414,53166cyclictest0-21swapper22:59:170
164769910650753468,53039cyclictest0-21swapper22:54:260
164769910649053451,53039cyclictest0-21swapper23:14:110
164769910644053396,53044cyclictest0-21swapper22:23:170
164769910640653436,52970cyclictest0-21swapper19:39:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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