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2025-12-25 - 03:52
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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 rackaslot0.osadl.org (updated Thu Dec 25, 2025 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273692640,0sleep20-21swapper/200:38:502
269522560,0sleep20-21swapper/221:33:322
89832540,0sleep28982-21bash23:53:592
18912540,1sleep21889-21sshd23:02:562
1207325432,18sleep10-21swapper/119:07:031
1215625326,9sleep00-21swapper/019:07:370
1007025330,9sleep20-21swapper/219:05:122
990925128,19sleep30-21swapper/319:05:013
275042500,1sleep11734-21runrttasks22:50:571
185562500,0sleep31734-21runrttasks22:48:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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