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2026-06-19 - 09:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackeslot4.osadl.org (updated Fri Jun 19, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136580899330,24cyclictest1437230-21sed20:20:011
136580899291,2cyclictest1688729-21apt-get00:25:131
136580899282,23cyclictest1642746-21apt-get23:40:131
1365808992819,8cyclictest500-21dbus-daemon21:30:001
136580899281,21cyclictest1396415-21apt-get19:40:111
136580899270,25cyclictest0-21swapper/121:40:111
136580899270,24cyclictest1447904-21apt-get20:30:121
136581699261,21cyclictest1535173-21apt-get21:55:113
1365808992619,6cyclictest522-21gdbus23:05:001
136580899261,20cyclictest1637668-21apt-get23:35:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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