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2026-08-06 - 21:55
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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
Characteristics of the 10 highest latencies:
System rack3slot0.osadl.org (updated Thu Aug 06, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182472820,2sleep41044499cyclictest10:55:064
169182780,2sleep71045499cyclictest10:13:287
317332530,1sleep131726-21sshd11:42:441
220242510,1sleep021973-21sshd10:57:020
202182510,0sleep50-21swapper/512:09:155
1015825125,9sleep40-21swapper/407:03:554
111832500,1sleep6641ktimersoftd/609:24:256
34562490,1sleep53426-21bash11:41:125
264572490,1sleep21-21systemd11:08:092
230952490,0sleep00-21swapper/009:23:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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