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2026-03-30 - 22:28
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Mon Mar 30, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1468138994643,2cyclictest1586500-21fwupd09:01:222
1468134993836,1cyclictest1586500-21fwupd09:01:221
146814099261,21cyclictest1597258-21apt-get09:15:123
146813899262,20cyclictest1668467-21apt-get10:25:122
146814099251,20cyclictest1468351-21apt-get07:10:123
146813899252,3cyclictest1714530-21apt-get11:10:122
146813899251,21cyclictest1622726-21apt-get09:40:102
146813499250,23cyclictest1797336-21cut12:30:171
146813099251,22cyclictest1805801-21ntpq12:35:210
146813099251,22cyclictest1602354-21apt-get09:20:130
146813099251,21cyclictest1735620-21apt-get11:30:110
146813099251,21cyclictest1643026-21apt-get10:00:100
1468140992420,2cyclictest1719586-21apt-get11:15:133
1468138992420,2cyclictest1678629-21apt-get10:35:132
1468138992420,2cyclictest1505112-21apt-get07:45:132
146813899241,21cyclictest1576917-21apt-get08:55:122
146813899240,21cyclictest0-21swapper/209:20:132
146813899240,21cyclictest0-21swapper/207:55:142
146813499242,20cyclictest1781628-21apt-get12:15:121
146813499241,21cyclictest1515270-21apt-get07:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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