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2026-05-17 - 00:46
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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 May 16, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68789910736953458,53815cyclictest24109-21diskmemload10:48:180
68789910672653342,53368cyclictest5119-21sh12:32:580
68789910672153403,53219cyclictest1907-21snmpd08:34:490
68789910659053464,53126cyclictest0-21swapper07:40:440
68789910655353423,53036cyclictest2099-21runrttasks10:44:070
68789910655353388,53075cyclictest0-21swapper11:16:360
68789910654453389,53090cyclictest0-21swapper07:26:500
68789910647153459,53012cyclictest0-21swapper07:46:560
68789910646453455,53009cyclictest0-21swapper08:36:200
68789910645653408,53048cyclictest0-21swapper07:22:190
68789910645253450,53002cyclictest0-21swapper11:56:580
68789910645253449,53003cyclictest0-21swapper10:04:050
68789910643753397,53040cyclictest0-21swapper07:50:270
68789910643653396,53040cyclictest0-21swapper08:25:370
68789910642153434,52987cyclictest0-21swapper11:25:190
68789910640753428,52979cyclictest0-21swapper09:11:100
68789910635553130,53215cyclictest0-21swapper12:11:520
68789910625553404,52851cyclictest0-21swapper10:07:360
68789910625153385,52803cyclictest0-21swapper12:23:050
68789910625153384,52802cyclictest0-21swapper08:51:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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