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2026-01-12 - 03:23
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack0slot0.osadl.org (updated Mon Jan 12, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2969421310,0sleep029692-21id23:10:540
1673721220,1sleep016727-21bash22:31:260
1673721220,1sleep016727-21bash22:31:260
2439421190,1sleep778-21ksoftirqd/722:12:187
1508821130,1sleep715089-21grep22:46:417
922021090,0sleep60-21swapper/622:38:056
922021090,0sleep60-21swapper/622:38:056
250882970,0sleep30-21swapper/323:51:053
250882970,0sleep30-21swapper/323:51:043
317652910,1sleep631758-21sshd21:22:416
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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