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2026-06-11 - 09:42
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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 Thu Jun 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2018381992918,3cyclictest2258588-21apt-get23:05:093
2018376992927,1cyclictest0-21swapper/219:35:012
201838199272,21cyclictest2314696-21apt-get00:00:113
201838199271,22cyclictest2197002-21apt-get22:05:113
201838199271,22cyclictest2135414-21apt-get21:05:123
201838199262,21cyclictest2299490-21apt-get23:45:113
201838199261,22cyclictest0-21swapper/323:50:113
201838199261,21cyclictest2110146-21apt-get20:40:113
201838199261,21cyclictest2084381-21apt-get20:15:123
201837699262,21cyclictest2079328-21apt-get20:10:122
201837399262,21cyclictest2345015-21apt-get00:30:101
201837099260,24cyclictest2324828-21taskset00:10:100
201837699251,21cyclictest2130359-21apt-get21:00:122
201837699251,21cyclictest2130359-21apt-get21:00:122
201837699250,23cyclictest2319774-21seq00:05:102
201837699250,23cyclictest2095029-21irqcore20:25:152
201837099251,3cyclictest2207591-21apt-get22:15:120
201837099250,21cyclictest2299490-21apt-get23:45:110
2018381992420,2cyclictest2104826-21idleruntime-cro20:35:003
2018381992419,3cyclictest2054011-21apt-get19:45:123
201838199241,3cyclictest2345504-21tr00:30:143
201838199241,20cyclictest0-21swapper/320:00:123
201838199241,19cyclictest2130359-21apt-get21:00:123
201838199241,19cyclictest2130359-21apt-get21:00:123
201838199240,4cyclictest2166637-21taskset21:35:103
2018376992415,1cyclictest2053755-21awk19:45:002
2018373992420,2cyclictest2059088-21apt-get19:50:121
201837399241,21cyclictest2319771-21apt-get00:05:111
201837399241,21cyclictest2231728-21ntpq22:35:221
201837399241,20cyclictest2048937-21apt-get19:40:111
201837099242,2cyclictest2329879-21apt-get00:15:120
201837099242,2cyclictest2217699-21apt-get22:25:110
201837099242,2cyclictest2038850-21apt-get19:30:100
2018370992420,2cyclictest2202492-21apt-get22:10:110
201837099241,3cyclictest2269205-21grep23:15:150
201837099241,3cyclictest2228310-21irqcore22:35:160
201837099241,2cyclictest2120228-21apt-get20:50:120
201837099241,21cyclictest2334908-21apt-get00:20:100
201837099240,22cyclictest2253243-21awk23:00:000
201838199232,2cyclictest2192420-21irqcore22:00:163
2018381992319,2cyclictest2350133-21apt-get00:35:123
2018381992319,2cyclictest0-21swapper/322:15:123
2018381992318,3cyclictest0-21swapper/322:45:113
2018381992316,5cyclictest3777322-21systemd-journal21:35:003
201838199231,2cyclictest2253515-21apt-get23:00:123
201838199231,20cyclictest0-21swapper/323:40:113
201838199231,20cyclictest0-21swapper/322:40:013
201838199230,21cyclictest2019088-21cut19:10:143
201838199230,20cyclictest2340468-21cut00:25:153
201838199230,20cyclictest0-21swapper/319:50:113
201838199230,19cyclictest0-21swapper/321:10:113
2018376992319,2cyclictest2278808-21apt-get23:25:122
201837699231,2cyclictest0-21swapper/223:30:112
201837699231,19cyclictest0-21swapper/222:25:112
201837699230,20cyclictest0-21swapper/223:15:112
201837699230,20cyclictest0-21swapper/222:30:112
201837699230,20cyclictest0-21swapper/221:05:122
2018373992320,2cyclictest2033797-21apt-get19:25:101
2018373992319,2cyclictest2350065-21sshd00:35:021
2018373992319,2cyclictest2181796-21apt-get21:50:111
201837399231,2cyclictest2064166-21apt-get19:55:121
201837399231,20cyclictest2283858-21apt-get23:30:111
201837399230,21cyclictest2161095-21cut21:30:011
201837399230,21cyclictest0-21swapper/100:00:111
201837399230,20cyclictest0-21swapper/122:05:111
201837399230,20cyclictest0-21swapper/119:45:121
2018370992319,2cyclictest2349833-21cron00:35:000
2018370992319,2cyclictest2166634-21apt-get21:35:110
201837099231,2cyclictest2115176-21apt-get20:45:110
201837099231,2cyclictest2028719-21apt-get19:20:110
201837099231,2cyclictest2024137-21ps19:15:160
201837099231,20cyclictest2043880-21apt-get19:35:120
201837099231,20cyclictest0-21swapper/000:00:110
201837099230,21cyclictest2340447-21ps00:25:140
201837099230,20cyclictest2201823-21http22:10:010
2018381992219,2cyclictest2329624-21idleruntime-cro00:15:013
2018381992219,2cyclictest0-21swapper/321:40:123
2018381992219,2cyclictest0-21swapper/320:10:113
2018381992219,1cyclictest0-21swapper/300:15:113
2018381992218,2cyclictest2145260-21apt-get21:15:023
2018381992218,2cyclictest0-21swapper/319:20:113
2018381992217,3cyclictest2228323-21ps22:35:163
201838199221,2cyclictest64-21kcompactd023:16:023
201838199221,2cyclictest0-21swapper/321:45:123
201838199221,20cyclictest0-21swapper/322:14:453
201838199221,1cyclictest0-21swapper/322:55:023
201838199220,2cyclictest0-21swapper/300:20:103
201838199220,21cyclictest64-21kcompactd020:27:133
201838199220,20cyclictest0-21swapper/319:30:113
2018376992218,2cyclictest2161581-21apt-get21:30:112
201837699221,2cyclictest2232850-21apt-get22:40:102
201837699220,2cyclictest2263395-21ls23:10:002
201837699220,20cyclictest0-21swapper/220:40:112
201837699220,20cyclictest0-21swapper/200:10:112
201837699220,19cyclictest0-21swapper/221:25:112
2018373992219,2cyclictest0-21swapper/120:50:121
2018373992218,2cyclictest0-21swapper/123:00:121
201837399220,20cyclictest2263669-21taskset23:10:111
201837399220,20cyclictest0-21swapper/120:25:041
201837399220,19cyclictest0-21swapper/123:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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