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2026-08-21 - 21:47
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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 rack7slot8.osadl.org (updated Fri Aug 21, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5796217831,115sleep00-21swapper/019:07:360
61629915979,36cyclictest12259-21wget19:30:150
61629915881,23cyclictest29213-21/usr/sbin/munin22:45:320
61629915683,34cyclictest801-21dbus-daemon21:20:010
61629915576,36cyclictest17876-21/usr/sbin/munin00:10:030
61629915379,20cyclictest17874-21apt-get00:10:460
61629915180,51cyclictest21696-21/usr/sbin/munin22:15:300
61629915076,37cyclictest29461-21runrttasks20:38:070
61629915076,37cyclictest2094-21munin-run23:10:040
61629914976,21cyclictest15323-21munin-run00:00:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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