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2026-09-08 - 05:48
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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 Tue Sep 08, 2026 00:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2425399345,13cyclictest0-21swapper/219:55:192
24248992717,4cyclictest0-21swapper/122:30:141
2424499276,20cyclictest0-21swapper/020:05:190
24248992614,7cyclictest25484-21chrt23:55:331
24253992323,0cyclictest0-21swapper/222:50:202
2424899232,15cyclictest0-21swapper/122:21:021
2424899230,16cyclictest27247-21date23:02:331
2424899230,16cyclictest19001-21apt-config20:55:011
2425399220,18cyclictest0-21swapper/220:20:012
24248992214,7cyclictest8192-21nfsd421:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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