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2026-06-02 - 04:11
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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 Jun 02, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84239910753253463,53947cyclictest14889-21rm22:25:570
84239910694553460,53421cyclictest9-21ksoftirqd/023:02:370
84239910669553475,53096cyclictest4344-21ssh22:10:420
84239910652053477,53043cyclictest0-21swapper19:47:310
84239910649953447,52988cyclictest9-21ksoftirqd/022:16:440
84239910647653416,53060cyclictest0-21swapper23:24:140
84239910647653415,53061cyclictest0-21swapper20:34:250
84239910647453402,53072cyclictest0-21swapper19:52:430
84239910647353414,53059cyclictest0-21swapper00:08:060
84239910647053457,53013cyclictest0-21swapper22:21:250
84239910644553447,52998cyclictest0-21swapper22:53:350
84239910643953394,53045cyclictest0-21swapper00:28:120
84239910642953392,53037cyclictest0-21swapper19:27:450
84239910636953458,52848cyclictest8419-21cyclictest22:07:210
84239910636253434,52928cyclictest0-21swapper22:49:240
84239910631653413,52903cyclictest0-21swapper23:11:400
84239910625353479,52774cyclictest0-21swapper22:44:520
84239910623153439,52792cyclictest0-21swapper23:57:030
84239910617253440,52732cyclictest0-21swapper20:42:170
84239910616553429,52698cyclictest0-21swapper00:37:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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