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2026-04-18 - 17:09
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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 Apr 18, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193610499301,3cyclictest261-21systemd-journal12:40:003
1936102993027,2cyclictest1982393-21sh07:55:012
193610499280,18cyclictest2181438-21systemd-run11:10:013
193610499271,23cyclictest2192232-21apt-get11:20:113
193610499270,20cyclictest0-21swapper/307:10:113
193610499270,20cyclictest0-21swapper/307:10:113
193610499270,1cyclictest0-21swapper/310:05:103
193610299271,22cyclictest2038239-21apt-get08:50:122
193610299262,2cyclictest2018002-21apt-get08:30:142
193610299261,21cyclictest2258923-21apt-get12:25:122
193609899261,21cyclictest2028120-21apt-get08:40:111
193609499260,21cyclictest0-21swapper/007:35:130
193610499252,20cyclictest1996675-21ntpq08:05:233
1936104992520,4cyclictest2212871-21apt-get11:40:123
193610499251,20cyclictest2079145-21apt-get09:30:123
193610499250,1cyclictest0-21swapper/312:27:083
1936102992521,2cyclictest2114471-21apt-get10:05:112
193610299251,3cyclictest0-21swapper/207:35:132
193610299251,21cyclictest2074112-21apt-get09:25:112
193610299251,21cyclictest0-21swapper/210:25:112
193610299251,20cyclictest2176576-21apt-get11:05:132
193610299250,21cyclictest1941768-21apt-get07:15:132
193609899251,20cyclictest2269056-21apt-get12:35:131
193609899251,20cyclictest2197309-21apt-get11:25:121
193609899251,20cyclictest2084199-21apt-get09:35:131
193609499252,3cyclictest2238641-21apt-get12:05:130
1936094992517,6cyclictest2073446-21basename09:25:000
193609499250,22cyclictest0-21swapper/011:20:110
193609499250,21cyclictest2002604-21cron08:15:010
193609499250,21cyclictest0-21swapper/010:50:120
193610499242,20cyclictest2223401-21apt-get11:50:123
1936104992420,3cyclictest2186898-21cron11:15:003
1936104992420,2cyclictest1947250-21apt-get07:20:123
1936104992418,4cyclictest1962456-21apt-get07:35:133
1936104992415,2cyclictest2156360-21apt-get10:45:113
1936104992412,3cyclictest2007980-21cpuspeed_turbos08:20:113
193610499241,22cyclictest0-21swapper/308:30:143
193610499240,23cyclictest261-21systemd-journal08:00:003
193610499240,20cyclictest0-21swapper/312:04:333
1936102992420,2cyclictest2233586-21apt-get12:00:112
1936102992419,3cyclictest2170399-21ntpq10:55:222
1936102992419,3cyclictest2012966-21apt-get08:25:122
193610299241,3cyclictest2104366-21apt-get09:55:122
193610299241,3cyclictest2063560-21apt-get09:15:122
193610299241,3cyclictest2053161-21awk09:04:592
193610299241,21cyclictest2249249-21ps12:15:162
193610299241,21cyclictest2073465-21apt-config09:25:002
193610299241,20cyclictest0-21swapper/208:00:132
193610299241,20cyclictest0-21swapper/207:30:142
193610299241,19cyclictest0-21swapper/209:40:122
193610299240,22cyclictest2033679-21tr08:45:162
193610299240,21cyclictest2109643-21grep10:00:132
193610299240,21cyclictest0-21swapper/207:45:142
193610299240,20cyclictest0-21swapper/211:20:112
193609899242,2cyclictest1972589-21apt-get07:45:131
1936098992420,2cyclictest1987723-21apt-get08:00:121
193609899241,19cyclictest0-21swapper/108:30:131
193609499242,2cyclictest2166469-21apt-get10:55:130
1936094992420,2cyclictest1957405-21apt-get07:30:130
193609499241,2cyclictest0-21swapper/011:45:130
193609499241,21cyclictest2077992-21ntpq09:25:200
193609499241,21cyclictest0-21swapper/012:25:120
193609499240,2cyclictest64-21kcompactd008:56:240
193609499240,2cyclictest0-21swapper/009:35:130
1936104992319,3cyclictest0-21swapper/307:54:033
1936104992319,2cyclictest0-21swapper/311:25:163
1936104992316,1cyclictest0-21swapper/312:16:553
193610499231,19cyclictest0-21swapper/311:35:123
193610499230,21cyclictest2003374-21sort08:15:173
193610499230,20cyclictest0-21swapper/310:30:123
1936102992319,2cyclictest1936312-21apt-get07:10:122
1936102992319,2cyclictest1936312-21apt-get07:10:112
1936102992319,2cyclictest0-21swapper/212:30:132
1936102992319,2cyclictest0-21swapper/208:05:232
1936102992318,3cyclictest1982669-21apt-get07:55:102
1936102992318,3cyclictest1967534-21apt-get07:40:122
1936102992318,2cyclictest0-21swapper/211:53:482
193610299231,3cyclictest2217923-21apt-get11:45:122
193610299231,3cyclictest0-21swapper/208:35:132
193610299231,2cyclictest0-21swapper/212:20:202
193610299231,2cyclictest0-21swapper/210:35:132
193610299231,21cyclictest2186014-21ntpq11:10:202
193610299231,21cyclictest0-21swapper/207:24:292
193610299231,20cyclictest2119548-21apt-get10:10:112
193610299231,20cyclictest2119548-21apt-get10:10:102
193610299231,20cyclictest0-21swapper/210:50:122
193610299230,21cyclictest2002601-21cron08:15:002
193610299230,21cyclictest0-21swapper/210:40:112
193610299230,1cyclictest0-21swapper/210:15:212
1936098992320,2cyclictest2063560-21apt-get09:15:121
1936098992319,2cyclictest2109423-21taskset10:00:111
1936098992318,2cyclictest2249248-21irqcore12:15:171
193609899231,20cyclictest2182099-21apt-get11:10:121
193609899230,20cyclictest0-21swapper/112:20:121
193609899230,19cyclictest0-21swapper/111:05:131
1936094992319,2cyclictest2207394-21apt-get11:35:110
1936094992319,2cyclictest2135207-21apt-get10:25:120
1936094992317,4cyclictest2033178-21apt-get08:45:120
193609499231,2cyclictest2253845-21apt-get12:20:120
193609499231,20cyclictest2145763-21apt-get10:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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