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2026-04-12 - 11:45
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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 100 highest latencies:
System rackeslot4.osadl.org (updated Sun Apr 12, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
484298992724,2cyclictest0-21swapper/220:15:172
48429299262,22cyclictest679025-21apt-get22:20:110
48429299260,5cyclictest791241-21cut00:10:150
48429299260,24cyclictest490036-21grep19:15:150
484296992520,3cyclictest709776-21apt-get22:50:121
48429699251,23cyclictest637416-21cron21:40:011
48429699251,21cyclictest780666-21apt-get00:00:131
48429699251,21cyclictest514894-21apt-get19:40:101
48429699251,21cyclictest0-21swapper/123:20:111
48429299252,21cyclictest806388-21apt-get00:25:130
48429299251,4cyclictest616296-21/usr/sbin/munin21:20:000
48429299251,4cyclictest261-21systemd-journal21:35:010
48429299251,3cyclictest591278-21apt-get20:55:130
48429299251,22cyclictest596334-21apt-get21:00:120
48429299251,22cyclictest560906-21apt-get20:25:130
48429299250,21cyclictest806132-21awk00:25:000
484302992420,2cyclictest684077-21apt-get22:25:103
484302992420,2cyclictest540213-21apt-get20:05:123
484298992419,3cyclictest632614-21apt-get21:35:122
484296992420,2cyclictest668891-21apt-get22:10:131
484296992419,3cyclictest658780-21apt-get22:00:111
484296992419,3cyclictest261-21systemd-journal22:25:001
48429699241,3cyclictest530083-21apt-get19:55:131
48429699241,21cyclictest0-21swapper/119:34:421
48429699241,20cyclictest571015-21apt-get20:35:131
48429699241,20cyclictest571015-21apt-get20:35:121
48429699240,21cyclictest581650-21tr20:45:171
48429699240,20cyclictest0-21swapper/119:10:111
48429299242,20cyclictest648627-21apt-get21:50:120
484292992419,2cyclictest0-21swapper/020:40:120
48429299241,3cyclictest591005-21cron20:55:000
48429299241,3cyclictest0-21swapper/023:35:000
48429299241,21cyclictest0-21swapper/021:10:130
48429299241,21cyclictest0-21swapper/019:29:590
48429299240,21cyclictest816263-21sh00:35:000
484302992319,2cyclictest591004-21cron20:55:003
48430299231,21cyclictest657601-21ntpq21:55:213
48430299231,20cyclictest0-21swapper/323:40:133
48430299230,20cyclictest0-21swapper/323:25:123
48430299230,20cyclictest0-21swapper/321:50:133
48430299230,20cyclictest0-21swapper/321:00:123
484298992320,2cyclictest811444-21apt-get00:30:142
484298992320,2cyclictest796252-21apt-get00:15:122
484298992319,2cyclictest261-21systemd-journal20:55:002
484298992318,4cyclictest679527-21grep22:20:162
48429899231,2cyclictest724942-21apt-get23:05:132
484296992320,2cyclictest622037-21apt-get21:25:131
484296992319,2cyclictest750238-21apt-get23:30:111
484296992319,2cyclictest616291-21latency_hist21:20:001
484296992319,2cyclictest606147-21cron21:10:001
484296992319,2cyclictest545268-21apt-get20:10:121
484296992319,2cyclictest509861-21apt-get19:35:101
484296992319,2cyclictest0-21swapper/122:05:131
484296992319,2cyclictest0-21swapper/100:30:141
48429699231,2cyclictest565963-21apt-get20:30:141
48429699231,2cyclictest0-21swapper/121:55:131
48429699230,20cyclictest591278-21apt-get20:55:131
48429699230,20cyclictest0-21swapper/120:00:121
48429699230,20cyclictest0-21swapper/100:15:111
484292992319,3cyclictest0-21swapper/022:55:120
484292992317,4cyclictest800106-21needreboot00:15:190
48429299231,2cyclictest735095-21apt-get23:15:120
48429299231,20cyclictest0-21swapper/022:00:110
48429299230,22cyclictest616944-21apt-get21:20:030
48429299230,21cyclictest694346-21idleruntime-cro22:35:000
48429299230,21cyclictest0-21swapper/000:00:130
48429299230,20cyclictest0-21swapper/019:35:100
484302992219,1cyclictest0-21swapper/320:15:133
484302992218,3cyclictest494650-21apt-get19:20:103
484302992217,1cyclictest0-21swapper/323:50:123
48430299220,2cyclictest637763-21sort21:40:013
48430299220,20cyclictest756269-21sort23:35:163
48430299220,20cyclictest642933-21apt-config21:45:013
48430299220,20cyclictest504537-21awk19:30:003
48430299220,19cyclictest791240-21sort00:10:153
48430299220,19cyclictest0-21swapper/322:35:133
48430299220,19cyclictest0-21swapper/322:20:123
48430299220,19cyclictest0-21swapper/300:30:153
48429899222,19cyclictest0-21swapper/221:50:162
484298992219,2cyclictest805224-21ntpq00:20:192
484298992219,2cyclictest555423-21apt-get20:20:102
484298992219,2cyclictest555423-21apt-get20:20:102
484298992218,2cyclictest631914-21cron21:35:002
484298992217,3cyclictest714968-21diskstats22:55:132
48429899221,20cyclictest606423-21apt-get21:10:132
48429899221,1cyclictest653704-21apt-get21:55:122
48429899220,20cyclictest493543-21ntpq19:15:212
48429899220,20cyclictest0-21swapper/223:15:132
48429899220,19cyclictest0-21swapper/222:45:212
48429899220,19cyclictest0-21swapper/220:40:122
48429899220,19cyclictest0-21swapper/200:13:102
48429899220,18cyclictest0-21swapper/219:30:112
484296992219,2cyclictest0-21swapper/122:25:111
484296992218,2cyclictest785699-21chrt00:05:111
484296992218,2cyclictest0-21swapper/121:30:111
48429699221,2cyclictest714808-21apt-get22:55:121
48429699221,2cyclictest0-21swapper/123:50:221
48429699221,2cyclictest0-21swapper/119:45:271
48429699221,1cyclictest0-21swapper/122:35:121
48429699221,1cyclictest0-21swapper/119:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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