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2026-04-14 - 06:17
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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 Tue Apr 14, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2522568993229,2cyclictest2552972-21fwupd19:36:012
2522561993120,9cyclictest1-21systemd19:36:020
252256199311,29cyclictest0-21swapper/020:00:120
2522561993018,1cyclictest0-21swapper/019:25:010
2522568992924,2cyclictest0-21swapper/200:15:172
252256199291,1cyclictest0-21swapper/000:30:030
2522561992820,7cyclictest2599441-21apt-get20:25:120
252256199281,2cyclictest2752680-21apt-get22:55:110
252256199280,20cyclictest0-21swapper/020:15:220
252256899271,21cyclictest2676309-21apt-get21:40:142
252256399272,21cyclictest2527878-21apt-get19:15:131
2522561992715,2cyclictest2676034-21cron21:40:000
252256199270,1cyclictest0-21swapper/022:10:120
252256899262,3cyclictest2849729-21apt-get00:30:132
252256899261,22cyclictest2630300-21seq20:55:132
252256899261,22cyclictest2625252-21apt-get20:50:122
252256899261,21cyclictest2783004-21apt-get23:25:122
252256899261,21cyclictest2772895-21apt-get23:15:132
252256399262,20cyclictest2717235-21apt-get22:20:111
2522561992617,2cyclictest0-21swapper/023:15:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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