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2026-05-12 - 13:17
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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 Tue May 12, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323409910722153461,53637cyclictest2099-21runrttasks21:40:320
323409910668353455,53137cyclictest9-21ksoftirqd/021:15:450
323409910667653420,53190cyclictest0-21swapper19:59:030
323409910666953418,53185cyclictest0-21swapper19:21:420
323409910664653422,53130cyclictest0-21swapper19:49:100
323409910663253429,53113cyclictest9-21ksoftirqd/021:55:560
323409910660853443,53070cyclictest2099-21runrttasks21:30:390
323409910650753476,53031cyclictest0-21swapper22:28:260
323409910650153468,53033cyclictest0-21swapper20:10:060
323409910646553417,53048cyclictest0-21swapper22:36:080
323409910645453405,53049cyclictest0-21swapper22:57:140
323409910644253439,53003cyclictest0-21swapper20:55:390
323409910643753395,53042cyclictest0-21swapper22:13:210
323409910643253433,52999cyclictest0-21swapper23:55:310
323409910642553431,52994cyclictest0-21swapper20:53:280
323409910642153472,52885cyclictest32329-21cyclictest20:49:270
323409910641953432,52987cyclictest0-21swapper00:32:410
323409910640753426,52981cyclictest0-21swapper00:38:430
323409910638853431,52861cyclictest29755-21runrttasks23:46:380
323409910629153414,52813cyclictest9-21ksoftirqd/021:48:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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