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2026-03-31 - 06:07
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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 rackdslot2.osadl.org (updated Tue Mar 31, 2026 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591231164,22phc2sys0-21swapper/319:07:443
231972207173,22sleep10-21swapper/119:08:141
230802207172,23sleep20-21swapper/219:06:472
231092204170,23sleep00-21swapper/019:07:050
2919121430,5sleep32362899cyclictest21:35:183
3267221210,3sleep32362899cyclictest21:40:273
2362799739,18cyclictest27271-21apt-config20:25:002
2362799689,11cyclictest6059-21grep00:10:132
2362799679,11cyclictest12841-21ls23:15:202
23627996710,10cyclictest13434-21df_abs22:10:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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