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2026-05-26 - 09:02
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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 May 26, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2674699210809105402,105404cyclictest2099-21runrttasks23:40:040
267469910748553480,53882cyclictest852-21ssh21:24:450
267469910695653414,53450cyclictest0-21swapper23:54:480
267469910672053460,53170cyclictest24572-21kworker/0:223:37:330
267469910671853467,53186cyclictest26728-21cyclictest00:35:300
267469910666953419,53159cyclictest0-21swapper20:23:470
267469910658253464,53118cyclictest0-21swapper22:44:380
267469910657253474,53035cyclictest3950irq/9-acpi23:06:540
267469910657253412,53095cyclictest9-21ksoftirqd/020:33:200
267469910655753408,53149cyclictest0-21swapper20:15:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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