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2026-08-25 - 03:49
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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 10 highest latencies:
System rack6slot6 (updated Tue Aug 25, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
984699209839105359,104478cyclictest0-21swapper19:51:570
98469910734553441,53782cyclictest3261-21gnome-power-man20:25:270
98469910700753461,53449cyclictest6328-21diskmemload23:49:050
98469910697553475,53435cyclictest9-21ksoftirqd/021:30:560
98469910683253401,53431cyclictest0-21swapper21:38:480
98469910665253435,53217cyclictest0-21swapper22:10:170
98469910660653414,53192cyclictest0-21swapper22:09:370
98469910656853393,53175cyclictest0-21swapper20:58:260
98469910656153470,53026cyclictest134850irq/9-eth023:37:320
98469910655653423,53042cyclictest0-21swapper22:54:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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