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2025-12-10 - 03:21
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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 Wed Dec 10, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7132960,2sleep72674499cyclictest22:59:247
218532710,0sleep70-21swapper/723:40:017
239972540,6sleep30-21swapper/322:43:513
291392520,0sleep50-21swapper/523:23:415
65342490,0sleep60-21swapper/623:04:526
65342490,0sleep60-21swapper/623:04:526
238822490,2sleep02673299cyclictest23:15:510
77182480,1sleep27408-21sshd23:07:282
77182480,1sleep27408-21sshd23:07:282
14922470,0sleep00-21swapper/000:10:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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