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2026-01-05 - 10:58
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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 50 highest latencies:
System rackeslot4.osadl.org (updated Mon Jan 05, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33908992721,4cyclictest38934-21cron19:15:003
33901992724,2cyclictest364843-21fwupd00:32:351
33901992723,3cyclictest288674-21sh23:19:591
3390899261,22cyclictest121158-21apt-get20:35:123
3390399262,21cyclictest268707-21apt-get23:00:122
3390399261,23cyclictest80029-21idleruntime-cro19:55:002
3390399261,22cyclictest324810-21sed23:55:172
3390899251,22cyclictest261-21systemd-journal19:30:003
3390899251,21cyclictest339558-21apt-get00:10:123
3390899251,21cyclictest232864-21apt-get22:25:123
3390899251,21cyclictest187355-21apt-get21:40:123
3390899251,21cyclictest187355-21apt-get21:40:123
3390199252,20cyclictest136769-21apt-get20:50:121
3390199251,20cyclictest243017-21apt-get22:35:141
33908992420,2cyclictest212622-21apt-get22:05:123
3390899241,20cyclictest44764-21apt-get19:20:133
3390899241,20cyclictest120849-21latency_hist20:35:003
3390899241,20cyclictest0-21swapper/319:45:103
3390899241,20cyclictest0-21swapper/300:00:143
3390899240,21cyclictest0-21swapper/300:05:133
3390899240,20cyclictest0-21swapper/323:00:123
3390899240,20cyclictest0-21swapper/300:35:143
3390399242,20cyclictest283891-21apt-get23:15:122
33903992420,2cyclictest90387-21apt-get20:05:132
3390399241,22cyclictest274256-21irqcore23:05:182
3390399241,21cyclictest85355-21apt-get20:00:132
3390199242,19cyclictest202491-21apt-get21:55:131
33901992420,2cyclictest334482-21apt-get00:05:121
33901992420,2cyclictest314238-21apt-get23:45:111
33901992420,2cyclictest182325-21apt-get21:35:121
3390199241,20cyclictest172218-21apt-get21:25:131
3390199241,20cyclictest0-21swapper/120:05:131
3389799242,2cyclictest354725-21apt-get00:25:130
33897992420,2cyclictest151672-21cron21:04:590
3389799241,20cyclictest0-21swapper/019:50:170
3389799240,22cyclictest61650irq/133-enp0s29f1:rx-023:35:120
33908992319,2cyclictest80304-21apt-get19:55:133
33908992319,2cyclictest353565-21chrt00:20:223
33908992319,2cyclictest248071-21apt-get22:40:143
33908992319,2cyclictest222729-21apt-get22:15:123
33908992318,3cyclictest261-21systemd-journal00:00:003
3390899231,2cyclictest95465-21apt-get20:10:143
3390899231,2cyclictest75254-21apt-get19:50:173
3390899231,2cyclictest309187-21apt-get23:40:143
3390899231,2cyclictest0-21swapper/320:05:123
3390899231,20cyclictest197439-21apt-get21:50:133
3390899230,3cyclictest212345-21cron22:05:013
3390899230,2cyclictest105575-21apt-get20:20:143
3390899230,21cyclictest359665-21apt-config00:30:013
3390899230,20cyclictest0-21swapper/323:30:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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