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2026-03-11 - 11:00
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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 Wed Mar 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148900099322,21cyclictest1504425-21apt-get19:25:113
148899199290,2cyclictest1796968-21ps00:10:140
148900099280,25cyclictest1756034-21tr23:30:153
148900099280,20cyclictest1765430-21apt-get23:40:013
1488993992825,2cyclictest500-21dbus-daemon23:40:001
1489000992718,8cyclictest1740845-21irqcore23:15:163
1489000992717,7cyclictest0-21swapper/300:30:123
148900099271,2cyclictest0-21swapper/321:45:113
148900099271,2cyclictest0-21swapper/321:40:123
148900099271,1cyclictest0-21swapper/320:20:123
148900099262,3cyclictest1776219-21apt-get23:50:113
1489000992620,4cyclictest1565681-21apt-get20:25:093
1489000992619,5cyclictest0-21swapper/322:20:033
1489000992618,6cyclictest1514775-21cron19:35:003
1489000992617,2cyclictest1740108-21unin-run23:14:593
1489000992612,4cyclictest1765411-21cron23:40:003
148900099261,21cyclictest1627284-21apt-get21:25:103
148900099260,2cyclictest0-21swapper/320:11:433
148900099260,22cyclictest0-21swapper/300:00:113
148900099260,1cyclictest0-21swapper/319:55:103
148899699261,21cyclictest1816715-21apt-get00:30:122
1489000992518,6cyclictest0-21swapper/319:15:233
1489000992518,5cyclictest1493994-21cron19:15:003
1489000992514,2cyclictest1806357-21cron00:20:003
148900099251,21cyclictest1796209-21cron00:10:003
148900099251,21cyclictest1796209-21cron00:10:003
148900099251,21cyclictest1745917-21cut23:20:163
148899699252,2cyclictest1596569-21apt-get20:55:112
148899699252,20cyclictest1545418-21apt-get20:05:122
148899699251,21cyclictest1781296-21apt-get23:55:132
148899399252,3cyclictest1791411-21apt-get00:05:131
148899399252,3cyclictest1791411-21apt-get00:05:131
148899399252,3cyclictest1642491-21apt-get21:40:121
148899399252,2cyclictest1678762-21apt-get22:15:131
1488993992521,2cyclictest1766112-21apt-get23:40:121
1489000992420,2cyclictest1811661-21apt-get00:25:113
1489000992419,4cyclictest0-21swapper/322:35:123
1489000992417,1cyclictest0-21swapper/300:21:113
1489000992413,2cyclictest1501571-21kthreadcore19:20:183
148900099240,19cyclictest64-21kcompactd020:06:213
1488996992420,2cyclictest1652622-21apt-get21:50:122
1488996992419,2cyclictest1771188-21apt-get23:45:112
148899699241,20cyclictest1647566-21apt-get21:45:112
148899699240,20cyclictest0-21swapper/219:25:112
148899399241,2cyclictest1725138-21apt-get23:00:101
148899399240,2cyclictest1524891-21cron19:45:001
148899199241,21cyclictest1806619-21apt-get00:20:130
148899199241,20cyclictest0-21swapper/000:25:110
148899199240,21cyclictest1592000-21ps20:50:160
1489000992319,2cyclictest1632337-21apt-get21:30:113
1489000992319,2cyclictest1632337-21apt-get21:30:103
1489000992319,2cyclictest0-21swapper/323:00:113
1489000992319,2cyclictest0-21swapper/322:55:133
1489000992319,2cyclictest0-21swapper/321:35:123
1489000992318,3cyclictest1520103-21apt-get19:40:123
1489000992315,2cyclictest0-21swapper/319:50:133
1489000992315,1cyclictest0-21swapper/321:15:123
1489000992311,3cyclictest1666613-21runrttasks22:00:203
148900099230,3cyclictest1734999-21basename23:10:003
148900099230,20cyclictest0-21swapper/321:00:103
148899699232,2cyclictest0-21swapper/223:05:172
1488996992320,2cyclictest1612179-21apt-get21:10:112
1488996992319,2cyclictest1796484-21apt-get00:10:102
1488996992319,2cyclictest1586461-21apt-get20:45:112
1488996992319,2cyclictest1530211-21apt-get19:50:122
148899699230,20cyclictest1622252-21apt-get21:20:112
148899699230,20cyclictest0-21swapper/221:05:122
148899699230,20cyclictest0-21swapper/220:15:132
1488993992320,1cyclictest1657676-21apt-get21:55:111
148899399231,3cyclictest1740347-21apt-get23:15:111
148899399231,2cyclictest1755533-21apt-get23:30:101
148899399230,21cyclictest1591999-21irqcore20:50:171
148899399230,20cyclictest0-21swapper/120:20:131
148899399230,20cyclictest0-21swapper/119:20:121
1488991992320,2cyclictest1668205-21apt-get22:05:120
1488991992320,2cyclictest1601347-21cron20:59:590
1488991992319,2cyclictest1555504-21apt-get20:15:130
148899199231,19cyclictest0-21swapper/021:10:120
148899199230,1cyclictest0-21swapper/021:45:100
148899199230,19cyclictest0-21swapper/021:55:120
1489000992219,2cyclictest0-21swapper/320:39:413
1489000992217,4cyclictest0-21swapper/320:17:063
148900099221,19cyclictest0-21swapper/320:50:593
1488996992219,2cyclictest1825720-21ntpq00:35:232
1488996992216,4cyclictest1642215-21cron21:40:002
148899699221,20cyclictest0-21swapper/223:40:002
148899699220,4cyclictest1504149-21cron19:25:002
148899699220,3cyclictest1667513-21latency_hist22:05:012
148899699220,2cyclictest1540075-21turbostat.cron20:00:002
148899699220,1cyclictest0-21swapper/223:40:122
148899699220,19cyclictest0-21swapper/223:15:122
1488993992219,2cyclictest64-21kcompactd000:16:531
1488993992219,2cyclictest1581386-21apt-get20:40:121
1488993992219,2cyclictest0-21swapper/122:35:001
1488993992219,1cyclictest64-21kcompactd020:10:071
1488993992219,1cyclictest0-21swapper/122:55:131
1488993992219,1cyclictest0-21swapper/120:45:111
1488993992218,2cyclictest1715036-21apt-get22:50:141
1488993992218,2cyclictest1606842-21munin-run21:05:001
1488993992218,2cyclictest0-21swapper/119:45:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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