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2026-05-16 - 11:28
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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 Sat May 16, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173549299262,21cyclictest2001356-21apt-get23:30:123
173549299262,21cyclictest1894169-21apt-get21:45:113
173549299260,6cyclictest1939442-21cron22:30:003
173548599261,21cyclictest2047382-21apt-get00:15:121
173549299259,2cyclictest0-21swapper/319:15:003
173549299252,21cyclictest1792069-21apt-get20:05:123
1735492992520,2cyclictest1822444-21apt-get20:35:123
1735492992519,5cyclictest1909084-21cron22:00:003
173549299251,22cyclictest1852960-21cron21:04:593
173549299251,21cyclictest0-21swapper/321:40:113
173549299251,21cyclictest0-21swapper/320:50:133
173549299250,23cyclictest1878732-21basename21:30:003
173549299250,23cyclictest1878732-21basename21:30:003
173548999251,2cyclictest1766411-21apt-get19:40:102
173548999250,24cyclictest1956057-21kthreadcore22:45:182
1735485992522,2cyclictest1934394-21sh22:25:011
1735483992521,2cyclictest2052452-21apt-get00:20:120
173549299244,1cyclictest0-21swapper/321:15:313
1735492992420,3cyclictest1924505-21apt-get22:15:133
1735492992419,3cyclictest1949586-21sh22:40:013
1735492992419,3cyclictest0-21swapper/320:15:123
173549299241,3cyclictest1899247-21apt-get21:50:113
173549299241,3cyclictest1858286-21apt-get21:10:113
173549299241,21cyclictest1873627-21idleruntime-cro21:25:003
173549299241,21cyclictest0-21swapper/322:50:113
173549299240,22cyclictest1980718-21ps23:10:143
1735489992421,2cyclictest1898970-21cron21:50:012
173548599242,2cyclictest1996275-21apt-get23:25:121
173548599241,20cyclictest1812339-21apt-get20:25:111
173548599241,19cyclictest0-21swapper/120:10:111
173548399241,2cyclictest1990772-21apt-get23:20:120
173548399241,21cyclictest1868846-21apt-get21:20:120
1735492992320,2cyclictest1965043-21apt-get22:55:113
1735492992319,3cyclictest2021578-21apt-get23:50:123
1735492992319,3cyclictest2021578-21apt-get23:50:123
1735492992319,2cyclictest1781981-21apt-get19:55:123
1735492992319,2cyclictest1735673-21apt-config19:10:003
173549299231,2cyclictest0-21swapper/323:40:103
173549299231,2cyclictest0-21swapper/323:15:113
173549299231,2cyclictest0-21swapper/322:30:123
173549299231,21cyclictest0-21swapper/322:13:343
173549299231,20cyclictest1884057-21apt-get21:35:113
173549299231,20cyclictest0-21swapper/323:25:113
173549299231,20cyclictest0-21swapper/323:25:003
173549299231,20cyclictest0-21swapper/300:25:133
173549299231,20cyclictest0-21swapper/300:20:123
173549299230,21cyclictest1761845-21tr19:35:143
1735489992320,2cyclictest2042303-21apt-get00:10:102
1735489992320,2cyclictest2011490-21apt-get23:40:112
173548999231,2cyclictest2062608-21apt-get00:30:102
173548999231,21cyclictest1843137-21apt-get20:55:112
173548999230,19cyclictest0-21swapper/221:40:112
1735485992320,1cyclictest1934663-21apt-get22:25:111
173548599231,20cyclictest2016544-21apt-get23:45:111
173548599231,20cyclictest1970097-21apt-get23:00:101
173548399232,19cyclictest1985288-21apt-get23:15:100
1735483992320,1cyclictest1802227-21apt-get20:15:120
1735483992319,2cyclictest1867699-21ntpq21:15:210
173548399231,20cyclictest1797147-21apt-get20:10:110
1735492992219,2cyclictest0-21swapper/319:45:113
1735492992219,1cyclictest64-21kcompactd000:15:053
1735492992219,1cyclictest0-21swapper/321:30:113
1735492992218,2cyclictest1954912-21apt-get22:45:143
1735492992217,2cyclictest2067715-21apt-get00:35:133
173549299221,2cyclictest0-21swapper/322:20:123
173549299221,20cyclictest64-21kcompactd022:42:043
173549299221,20cyclictest0-21swapper/319:25:193
173549299221,1cyclictest0-21swapper/319:30:213
1735492992211,2cyclictest191rcu_preempt23:05:113
173549299220,2cyclictest0-21swapper/300:05:243
173549299220,20cyclictest1914414-21apt-get22:05:133
173549299220,20cyclictest0-21swapper/323:55:133
173549299220,20cyclictest0-21swapper/320:20:123
173548999222,19cyclictest0-21swapper/219:25:002
1735489992219,2cyclictest2026636-21apt-get23:55:122
173548999220,19cyclictest391rcuc/223:10:102
1735485992219,2cyclictest514-21in:imuxsock21:55:011
173548599221,1cyclictest1746145-21apt-get19:20:141
1735483992219,2cyclictest1838084-21apt-get20:50:130
1735483992218,2cyclictest1863256-21apt-config21:15:010
173548399221,1cyclictest1771467-21apt-get19:45:110
173548399221,1cyclictest0-21swapper/000:10:010
1735492992119,1cyclictest0-21swapper/323:03:353
1735492992119,1cyclictest0-21swapper/320:25:313
1735492992118,2cyclictest0-21swapper/320:00:113
1735492992118,1cyclictest0-21swapper/319:20:123
173549299210,20cyclictest64-21kcompactd000:14:013
173549299210,20cyclictest0-21swapper/320:40:343
173549299210,1cyclictest0-21swapper/323:45:113
173549299210,1cyclictest0-21swapper/323:35:113
173549299210,1cyclictest0-21swapper/320:45:103
1735489992119,1cyclictest0-21swapper/223:30:122
1735489992119,1cyclictest0-21swapper/220:45:102
1735489992119,1cyclictest0-21swapper/220:20:422
1735489992118,2cyclictest1858779-21irqcore21:10:162
1735489992118,2cyclictest0-21swapper/220:15:132
1735489992118,1cyclictest1853224-21apt-get21:05:122
1735489992118,1cyclictest0-21swapper/223:45:122
1735489992118,1cyclictest0-21swapper/223:35:112
1735489992117,3cyclictest0-21swapper/222:05:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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