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2026-07-11 - 03:00
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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 Sat Jul 11, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2478321220,0sleep424784-21sshd00:01:304
1555821200,1sleep015555-21bash23:54:130
757521150,0sleep00-21swapper/021:50:310
757521150,0sleep00-21swapper/021:50:300
3267321150,0sleep10-21swapper/100:15:381
2921421090,0sleep00-21swapper/022:46:250
106552950,2sleep70-21swapper/723:04:187
207472850,1sleep120750-21bash21:20:251
285322840,0sleep20-21swapper/220:30:182
130982840,0sleep70-21swapper/723:23:187
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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