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2025-11-22 - 08:35
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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 Nov 22, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60299910684353481,53298cyclictest3950irq/9-acpi00:31:350
60299910669553462,53110cyclictest1120-21ssh21:14:080
60299910664453467,53177cyclictest0-21swapper21:18:200
60299910661153474,53137cyclictest0-21swapper19:34:000
60299910659453439,53155cyclictest0-21swapper20:37:180
60299910658553393,53101cyclictest0-21swapper22:17:170
60299910654553387,53092cyclictest0-21swapper19:51:350
60299910650853472,53036cyclictest0-21swapper00:38:370
60299910650653476,53030cyclictest0-21swapper23:57:360
60299910648853419,53069cyclictest0-21swapper00:12:000
60299910647753460,53017cyclictest0-21swapper19:58:270
60299910646253464,52998cyclictest0-21swapper20:41:590
60299910644453461,52983cyclictest0-21swapper00:05:580
60299910639153254,53122cyclictest22033-21ssh22:27:400
60299910625653385,52805cyclictest0-21swapper22:46:450
60299910625253385,52802cyclictest0-21swapper20:22:030
60299910623653452,52784cyclictest0-21swapper20:45:500
60299910620253469,52733cyclictest0-21swapper23:13:430
60299910618653478,52708cyclictest0-21swapper20:30:460
60299910616553405,52760cyclictest0-21swapper19:36:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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