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2026-03-15 - 12:45
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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 Mar 15, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145450999282,21cyclictest1617114-21apt-get21:50:111
145450999271,23cyclictest1785251-21apt-get00:35:111
145450599261,22cyclictest1744705-21apt-get23:55:110
1454514992517,1cyclictest191rcu_preempt22:05:003
1454512992523,1cyclictest0-21swapper/223:20:192
1454512992523,1cyclictest0-21swapper/222:05:002
1454512992522,1cyclictest1662980-21apt-get22:35:122
145450999252,20cyclictest1683211-21apt-get22:55:091
145450999251,20cyclictest1662980-21apt-get22:35:111
1454505992520,3cyclictest1734106-21apt-get23:45:130
1454505992520,3cyclictest1632677-21apt-get22:05:110
145450599251,22cyclictest1515205-21idleruntime-cro20:10:000
1454514992420,2cyclictest1545797-21apt-get20:40:123
1454514992418,4cyclictest1561135-21cron20:55:003
145451499241,22cyclictest1764996-21apt-get00:15:133
145451499241,20cyclictest1647864-21apt-get22:20:113
1454512992420,3cyclictest1677915-21cron22:50:012
145451299241,21cyclictest1657947-21apt-get22:30:112
145451299241,21cyclictest1459801-21apt-get19:15:132
145451299240,23cyclictest1510878-21ps20:05:152
145450999242,2cyclictest1678185-21apt-get22:50:131
145450999241,2cyclictest1688243-21apt-get23:00:121
145450999241,21cyclictest1713514-21apt-get23:25:121
145450999240,3cyclictest191rcu_preempt19:30:001
1454505992420,2cyclictest1785251-21apt-get00:35:110
145450599241,21cyclictest1510122-21cron20:05:000
145450599240,4cyclictest1537882-21ps20:30:170
1454514992319,2cyclictest1479993-21apt-get19:35:123
1454514992319,2cyclictest1454725-21apt-get19:10:113
145451499231,2cyclictest1637754-21apt-get22:10:123
145451499230,3cyclictest1520259-21cron20:15:003
145451499230,20cyclictest0-21swapper/323:55:113
145451499230,19cyclictest0-21swapper/319:50:113
1454512992320,2cyclictest391rcuc/220:00:122
1454512992318,4cyclictest1698831-21grep23:10:172
1454512992318,4cyclictest1551756-21ps20:45:152
1454512992316,5cyclictest261-21systemd-journal21:05:012
145451299231,2cyclictest1754797-21apt-get00:05:122
145451299231,2cyclictest1596925-21apt-get21:30:122
145451299231,2cyclictest0-21swapper/222:25:122
145451299231,21cyclictest0-21swapper/222:15:132
145451299230,3cyclictest1724494-21ps23:35:162
145451299230,22cyclictest1591859-21find21:25:122
145450999232,20cyclictest1739606-21apt-get23:50:111
1454509992320,2cyclictest1722437-21ntpq23:30:221
1454509992320,2cyclictest1642810-21apt-get22:15:141
145450999231,2cyclictest1759917-21apt-get00:10:111
145450999231,19cyclictest0-21swapper/121:00:121
145450999230,3cyclictest1475429-21grep19:30:171
145450999230,20cyclictest0-21swapper/122:30:111
145450999230,20cyclictest0-21swapper/119:10:121
145450599231,21cyclictest1520526-21apt-get20:15:130
145450599231,21cyclictest0-21swapper/020:50:180
145450599231,20cyclictest1673131-21apt-get22:45:120
145450599231,20cyclictest1515472-21apt-get20:10:110
145450599230,21cyclictest1740090-21ps23:50:170
145450599230,21cyclictest1723999-21apt-get23:35:120
145450599230,21cyclictest0-21swapper/022:35:220
1454514992219,2cyclictest1622170-21apt-get21:55:133
1454514992219,2cyclictest1551274-21apt-get20:45:113
1454514992218,2cyclictest1525560-21taskset20:20:103
1454514992217,3cyclictest1586791-21apt-get21:20:093
145451499221,20cyclictest1671997-21ntpq22:40:203
145451499220,3cyclictest2376222-21kworker/u8:2+ext4-rsv-conversion22:05:113
145451499220,21cyclictest1523781-21grep20:15:193
145451499220,19cyclictest0-21swapper/319:55:113
145451499220,19cyclictest0-21swapper/300:35:113
1454512992220,1cyclictest1738910-21ls23:50:002
1454512992220,1cyclictest0-21swapper/223:30:132
1454512992219,2cyclictest41-21ksoftirqd/220:30:012
1454512992219,2cyclictest1485059-21apt-get19:40:112
1454512992219,2cyclictest0-21swapper/223:50:112
1454512992219,2cyclictest0-21swapper/223:15:162
1454512992218,2cyclictest1647864-21apt-get22:20:102
1454512992218,2cyclictest1535666-21apt-get20:30:122
1454512992218,2cyclictest0-21swapper/223:55:162
1454512992217,3cyclictest0-21swapper/200:10:152
1454512992216,1cyclictest191rcu_preempt20:55:002
145451299221,2cyclictest64-21kcompactd022:13:022
145451299221,2cyclictest0-21swapper/221:50:112
145451299221,20cyclictest0-21swapper/222:50:132
145451299220,2cyclictest0-21swapper/220:15:132
145451299220,20cyclictest1779011-21ntpq00:25:212
1454509992219,2cyclictest0-21swapper/121:35:001
1454509992219,1cyclictest1775128-21apt-get00:25:121
145450999221,19cyclictest0-21swapper/119:40:111
145450999220,20cyclictest1469609-21cron19:25:001
145450999220,19cyclictest0-21swapper/122:45:121
1454505992219,2cyclictest0-21swapper/021:55:120
1454505992219,2cyclictest0-21swapper/020:45:110
1454505992219,2cyclictest0-21swapper/019:35:120
1454505992219,2cyclictest0-21swapper/000:25:170
1454505992218,2cyclictest1489859-21basename19:45:000
145450599221,2cyclictest0-21swapper/022:50:130
145450599221,20cyclictest1621012-21ntpq21:50:200
145450599221,20cyclictest0-21swapper/023:10:130
145450599221,20cyclictest0-21swapper/022:40:100
145450599221,20cyclictest0-21swapper/000:05:130
145450599220,3cyclictest1550573-21cron20:45:000
145450599220,21cyclictest64-21kcompactd021:23:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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