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2026-06-09 - 03:36
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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 09, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5579910723853467,53648cyclictest16574-21ssh23:12:040
5579910698853449,53448cyclictest0-21swapper23:40:520
5579910689053414,53411cyclictest9-21ksoftirqd/020:58:160
5579910667453462,53212cyclictest0-21swapper23:37:010
5579910664253430,53091cyclictest26059-21ssh21:51:210
5579910661653419,53106cyclictest9-21ksoftirqd/022:33:030
5579910655553393,53097cyclictest0-21swapper23:22:170
5579910654253386,53090cyclictest0-21swapper20:23:260
5579910652553481,53044cyclictest0-21swapper19:28:400
5579910651853477,53041cyclictest0-21swapper23:34:510
5579910650453442,53062cyclictest0-21swapper21:43:490
5579910647353411,53062cyclictest0-21swapper22:51:480
5579910645453446,53008cyclictest0-21swapper22:15:180
5579910645053401,53049cyclictest0-21swapper00:29:260
5579910644753399,53048cyclictest0-21swapper19:35:320
5579910644453399,53045cyclictest0-21swapper22:46:270
5579910644353399,53044cyclictest0-21swapper20:08:410
5579910644153425,52952cyclictest15883-1kworker/u3:221:15:000
5579910644053437,53003cyclictest0-21swapper21:50:000
5579910644053397,53043cyclictest0-21swapper20:14:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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