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2026-07-18 - 10:31
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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 Sat Jul 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2094121050,2sleep42874799cyclictest21:52:054
155652750,2sleep32874699cyclictest22:13:423
155652750,2sleep32874699cyclictest22:13:423
200952700,1sleep320096-21grepconf.sh22:41:213
171052650,1sleep32874699cyclictest22:57:313
277042640,0sleep00-21swapper/023:49:180
319992540,1sleep432000-21sshd23:31:204
107662540,1sleep7464-21systemd-journal23:13:377
148712530,2sleep72875099cyclictest23:26:427
103332520,0sleep010326-21sshd00:04:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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