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2026-03-27 - 00:13
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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 (updated Thu Mar 26, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1634923993734,2cyclictest1849148-21fwupd10:39:553
1634923993429,3cyclictest1655103-21cron07:30:003
163492399331,21cyclictest0-21swapper/307:50:123
1634923993217,4cyclictest1931266-21idleruntime-cro12:00:013
163492399321,21cyclictest1916348-21apt-get11:45:113
163492399321,21cyclictest0-21swapper/307:45:123
163492399321,20cyclictest1855026-21grep10:45:173
163491399320,23cyclictest0-21swapper/011:05:100
1634923993118,2cyclictest1732720-21irqcore08:45:153
163492399310,21cyclictest1695633-21/usr/sbin/munin08:09:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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