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2026-04-30 - 12:26
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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 Thu Apr 30, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172749910721953465,53655cyclictest29838-21ssh23:21:530
172749910674053478,53262cyclictest0-21swapper22:17:150
172749910673653461,53275cyclictest0-21swapper23:04:580
172749910671253459,53156cyclictest3416-21ssh21:41:340
172749910668853389,53232cyclictest0-21swapper00:11:280
172749910660453403,53109cyclictest0-21swapper19:56:240
172749910659953440,53159cyclictest0-21swapper19:13:520
172749910656953437,53132cyclictest0-21swapper22:41:120
172749910654053442,53098cyclictest0-21swapper20:53:100
172749910649153462,53029cyclictest0-21swapper20:14:190
172749910646553450,53015cyclictest0-21swapper00:29:530
172749910645953454,53005cyclictest0-21swapper19:53:330
172749910645753446,53011cyclictest0-21swapper22:01:400
172749910645253445,53007cyclictest0-21swapper00:06:560
172749910645053423,52934cyclictest0-21swapper19:22:550
172749910644553399,53046cyclictest0-21swapper21:37:130
172749910643353435,52998cyclictest0-21swapper23:38:480
172749910643153438,52993cyclictest0-21swapper20:58:220
172749910642653438,52988cyclictest0-21swapper20:01:160
172749910641853426,52992cyclictest0-21swapper21:45:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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