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2026-04-11 - 05:23
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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 Sat Apr 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1572684995451,2cyclictest1644188-21fwupd20:18:020
157269199271,5cyclictest1854340-21irqcore23:45:162
1572693992621,3cyclictest0-21swapper/323:20:003
157269399260,23cyclictest1833661-21grep23:25:163
157269199262,21cyclictest1751693-21apt-get22:05:102
157268899261,21cyclictest1879122-21apt-get00:10:121
157268899261,21cyclictest1812891-21apt-get23:05:111
157268899261,21cyclictest1675143-21apt-get20:50:101
1572693992521,2cyclictest1771757-21idleruntime-cro22:24:593
157269399251,20cyclictest1715720-21apt-get21:30:133
157269399250,22cyclictest1613825-21runrttasks19:50:123
157269199251,23cyclictest1833644-21ps23:25:152
157269199250,24cyclictest1720613-21unin-run21:35:012
1572688992521,3cyclictest311ktimers/119:40:121
157268899251,21cyclictest1618875-21apt-get19:55:111
1572693992420,2cyclictest1904421-21apt-get00:35:113
1572693992420,2cyclictest1623930-21apt-get20:00:123
157269399241,3cyclictest1689198-21ntpq21:00:203
157269399241,20cyclictest0-21swapper/322:25:143
1572691992420,3cyclictest1598187-21apt-get19:35:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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