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2026-03-09 - 22:56
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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 Mon Mar 09, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299599209847105308,104537cyclictest9-21ksoftirqd/011:09:140
29959910961055129,54479cyclictest1741-21hald10:42:070
29959910674453473,53181cyclictest9-21ksoftirqd/009:58:540
29959910671353454,53195cyclictest9-21ksoftirqd/012:24:060
29959910670053482,53187cyclictest0-21swapper07:23:290
29959910668653418,53268cyclictest0-21swapper12:26:370
29959910662253477,53145cyclictest0-21swapper11:36:220
29959910660153368,53218cyclictest12735-21ssh11:24:090
29959910652953407,53058cyclictest2994-21cyclictest10:54:100
29959910651153473,53038cyclictest0-21swapper11:32:010
29959910650753395,53112cyclictest0-21swapper10:28:330
29959910648353471,53012cyclictest0-21swapper08:03:110
29959910648153463,53018cyclictest0-21swapper11:14:260
29959910647753461,53016cyclictest0-21swapper11:58:590
29959910647453457,53017cyclictest0-21swapper10:59:520
29959910647053453,53017cyclictest0-21swapper09:30:060
29959910645453405,53049cyclictest0-21swapper12:03:500
29959910644853478,52970cyclictest0-21swapper07:26:000
29959910643853460,52978cyclictest0-21swapper09:15:010
29959910643253448,52984cyclictest0-21swapper08:30:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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