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2026-08-21 - 00:13
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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 Aug 20, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163165599271,5cyclictest3777322-21systemd-journal12:35:002
163165599271,23cyclictest1759893-21taskset09:15:112
163165299272,22cyclictest1952971-21apt-get12:25:121
163165299271,22cyclictest1927694-21apt-get12:00:121
163165599261,5cyclictest1867320-21tr11:00:162
163165599261,21cyclictest0-21swapper/210:15:112
163165599260,24cyclictest1790910-21sort09:45:152
163165599252,21cyclictest1876968-21apt-get11:10:122
163165599252,21cyclictest1668202-21apt-get07:45:112
163165299252,20cyclictest1800581-21apt-get09:55:121
1631652992520,3cyclictest1703377-21idleruntime-cro08:20:001
163165299251,21cyclictest1775100-21apt-get09:30:121
163165299251,21cyclictest1749773-21apt-get09:05:111
163165299251,20cyclictest1770030-21apt-get09:25:121
163164899253,20cyclictest1707449-21sshd08:20:180
1631648992521,2cyclictest1785307-21apt-get09:40:120
1631648992521,2cyclictest1764963-21apt-get09:20:120
163165799242,2cyclictest1688476-21apt-get08:05:143
1631657992420,3cyclictest514-21in:imuxsock10:50:003
1631657992420,2cyclictest1902291-21apt-get11:35:113
1631657992419,3cyclictest1857234-21sed10:50:153
163165799241,20cyclictest1759890-21apt-get09:15:113
163165799240,22cyclictest1657689-21irqcore07:35:153
163165599242,2cyclictest1636898-21apt-get07:15:132
1631655992420,2cyclictest1647037-21apt-get07:25:122
163165599241,21cyclictest1708707-21apt-get08:25:092
163165599241,21cyclictest0-21swapper/210:00:162
163165599240,21cyclictest0-21swapper/211:05:122
163165599240,21cyclictest0-21swapper/209:55:132
163165599240,21cyclictest0-21swapper/209:25:122
1631652992420,2cyclictest1851701-21apt-get10:45:121
163165299241,3cyclictest1713779-21apt-get08:30:131
163165299241,2cyclictest1866831-21apt-get11:00:111
163165299241,21cyclictest1795512-21apt-get09:50:121
163165299241,20cyclictest1790420-21apt-get09:45:111
163165299241,20cyclictest0-21swapper/111:55:101
163165299241,20cyclictest0-21swapper/111:10:121
163165299241,20cyclictest0-21swapper/107:45:001
1631648992421,2cyclictest1810723-21apt-get10:05:130
1631648992420,2cyclictest1693542-21apt-get08:10:110
163164899240,23cyclictest1662022-21true07:40:000
163165799231,2cyclictest1698586-21apt-get08:15:123
163165799231,19cyclictest0-21swapper/309:05:113
163165799230,4cyclictest1963520-21apt-get12:35:023
163165799230,22cyclictest1714280-21tr08:30:173
163165799230,20cyclictest0-21swapper/311:30:113
163165799230,20cyclictest0-21swapper/309:50:113
163165799230,20cyclictest0-21swapper/308:20:103
163165799230,19cyclictest64-21kcompactd008:25:063
1631655992320,2cyclictest1657200-21apt-get07:35:112
163165599231,2cyclictest0-21swapper/210:10:122
163165599231,21cyclictest0-21swapper/210:05:122
163165599231,21cyclictest0-21swapper/209:20:112
163165599230,21cyclictest1837008-21grep10:30:172
1631652992319,2cyclictest1912474-21apt-get11:45:111
1631652992319,2cyclictest1674222-21kthreadcore07:50:141
1631652992319,2cyclictest0-21swapper/110:30:001
1631652992318,3cyclictest1882013-21apt-get11:15:121
1631652992317,4cyclictest1943336-21ps12:15:131
163165299231,2cyclictest1932768-21apt-get12:05:131
163165299231,2cyclictest1683429-21apt-get08:00:131
163165299231,20cyclictest0-21swapper/108:35:131
163165299231,19cyclictest0-21swapper/109:40:121
163165299230,20cyclictest0-21swapper/111:35:111
163165299230,20cyclictest0-21swapper/108:10:111
163164899232,2cyclictest1861808-21apt-get10:55:110
1631648992320,2cyclictest1836520-21apt-get10:30:130
1631648992319,2cyclictest1922625-21apt-get11:55:100
163164899231,2cyclictest1947905-21apt-get12:20:130
163164899231,21cyclictest1724364-21apt-get08:40:140
163164899231,21cyclictest1724364-21apt-get08:40:130
163164899231,20cyclictest0-21swapper/012:00:110
163164899230,4cyclictest1962993-21apt-config12:35:010
1631657992219,1cyclictest0-21swapper/309:40:123
1631657992218,2cyclictest1744705-21apt-get09:00:113
163165799221,18cyclictest0-21swapper/307:55:133
163165799220,21cyclictest1663179-21grep07:40:163
163165799220,20cyclictest1775590-21irqcore09:30:163
163165799220,19cyclictest0-21swapper/312:05:133
163165799220,19cyclictest0-21swapper/310:55:113
163165799220,19cyclictest0-21swapper/310:00:123
1631655992219,2cyclictest0-21swapper/212:25:122
1631655992219,2cyclictest0-21swapper/211:15:122
1631655992219,1cyclictest0-21swapper/211:40:122
1631655992218,3cyclictest1714731-21kthreadcore08:30:182
1631655992218,2cyclictest1723684-21cut08:40:012
1631655992218,2cyclictest0-21swapper/209:50:112
163165599221,20cyclictest0-21swapper/211:55:102
163165599221,20cyclictest0-21swapper/210:55:112
163165599221,20cyclictest0-21swapper/209:41:262
163165599221,20cyclictest0-21swapper/209:30:202
163165599221,20cyclictest0-21swapper/208:15:122
163165599221,1cyclictest0-21swapper/211:50:132
163165599221,19cyclictest0-21swapper/211:45:112
163165599220,2cyclictest0-21swapper/210:20:112
163165599220,21cyclictest1745194-21grep09:00:162
163165599220,20cyclictest0-21swapper/211:35:212
163165599220,20cyclictest0-21swapper/207:50:082
163165599220,20cyclictest0-21swapper/207:10:102
1631652992218,3cyclictest0-21swapper/111:25:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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