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2025-12-29 - 13:30
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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 rackdslot0.osadl.org (updated Mon Dec 29, 2025 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1769499220,21cyclictest843-21systemd-network21:06:252
1769499220,18cyclictest0-21swapper/222:10:242
1768799221,19cyclictest3985-21H222:10:211
1769499214,16cyclictest0-21swapper/223:52:512
1768599211,13cyclictest0-21swapper/020:32:550
1768599211,13cyclictest0-21swapper/020:32:550
1768599210,20cyclictest0-21swapper/021:56:360
17694992014,1cyclictest0-21swapper/222:30:172
1768599202,15cyclictest0-21swapper/020:45:150
1769499193,10cyclictest3250-21apt-config21:35:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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