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2026-04-06 - 12:58
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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 Apr 06, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11399910691953440,53381cyclictest137812sleep020:34:300
11399910672153435,53195cyclictest1130-21cyclictest22:42:260
11399910663253413,53156cyclictest1130-21cyclictest23:26:090
11399910657553474,53101cyclictest0-21swapper20:35:100
11399910655053466,53084cyclictest0-21swapper20:04:310
11399910655053464,53086cyclictest0-21swapper19:25:300
11399910652553410,53051cyclictest9-21ksoftirqd/000:36:590
11399910650453470,53034cyclictest0-21swapper22:21:000
11399910649653468,53028cyclictest0-21swapper19:30:410
11399910649353478,53015cyclictest0-21swapper23:23:080
11399910646753450,53017cyclictest0-21swapper23:48:460
11399910645753446,53011cyclictest0-21swapper21:38:180
11399910644653435,53011cyclictest0-21swapper21:13:510
11399910644353439,53004cyclictest0-21swapper22:31:230
11399910643853396,53042cyclictest0-21swapper00:28:270
11399910643353394,53039cyclictest0-21swapper00:32:580
11399910642353407,52952cyclictest9-21ksoftirqd/020:14:040
11399910641553426,52989cyclictest0-21swapper20:55:560
11399910641253386,53026cyclictest0-21swapper23:54:370
11399910639553415,52980cyclictest0-21swapper00:01:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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