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2026-04-18 - 16:03
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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 376 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
193609499230,4cyclictest2058228-21idleruntime-cro09:10:000
193609499230,2cyclictest0-21swapper/008:35:130
193609499230,2cyclictest0-21swapper/008:00:110
193609499230,21cyclictest2109647-21uniq10:00:140
193609499230,21cyclictest2032915-21basename08:45:010
193609499230,20cyclictest2017716-21cron08:30:010
193609499230,20cyclictest0-21swapper/012:15:160
193609499230,19cyclictest0-21swapper/012:00:110
1936104992219,2cyclictest64-21kcompactd010:36:243
1936104992219,1cyclictest0-21swapper/309:35:143
1936104992218,2cyclictest2161436-21apt-get10:50:113
193610499221,2cyclictest0-21swapper/310:40:023
193610499221,1cyclictest0-21swapper/309:50:153
193610499220,4cyclictest2202823-21grep11:30:133
193610499220,2cyclictest0-21swapper/310:55:123
193610499220,20cyclictest0-21swapper/309:00:133
193610499220,20cyclictest0-21swapper/308:50:133
193610499220,19cyclictest0-21swapper/310:00:113
1936102992219,2cyclictest0-21swapper/211:35:112
1936102992217,3cyclictest2238641-21apt-get12:05:132
1936102992216,2cyclictest2094316-21apt-get09:45:212
193610299221,2cyclictest0-21swapper/211:55:112
193610299221,2cyclictest0-21swapper/209:35:132
193610299220,3cyclictest0-21swapper/208:56:242
193610299220,20cyclictest0-21swapper/207:25:322
1936098992219,1cyclictest0-21swapper/109:25:111
1936098992218,2cyclictest2259410-21sed12:25:161
193609899221,1cyclictest2023047-21apt-get08:35:131
193609899220,2cyclictest2058221-21cron09:10:001
193609899220,20cyclictest2053163-21turbostat09:04:591
193609899220,20cyclictest1957119-21cron07:30:001
193609899220,1cyclictest0-21swapper/111:35:111
193609899220,19cyclictest0-21swapper/111:20:111
1936094992219,2cyclictest509-21systemd-logind08:10:010
1936094992218,3cyclictest2089252-21apt-get09:40:120
1936094992218,2cyclictest2228501-21apt-get11:55:110
193609499221,1cyclictest0-21swapper/011:05:130
193609499220,2cyclictest1977373-21munin-run07:50:000
193609499220,2cyclictest0-21swapper/007:15:120
193609499220,20cyclictest0-21swapper/007:40:130
193609499220,1cyclictest0-21swapper/009:15:120
193609499220,19cyclictest64-21kcompactd007:24:290
1936104992119,1cyclictest64-21kcompactd010:13:493
1936104992119,1cyclictest64-21kcompactd010:13:483
1936104992119,1cyclictest0-21swapper/308:25:123
1936104992119,1cyclictest0-21swapper/307:40:123
1936104992118,2cyclictest2128523-21ntpq10:15:213
1936104992118,2cyclictest2063297-21idleruntime-cro09:14:593
193610499211,1cyclictest0-21swapper/307:15:133
193610499210,20cyclictest2140006-21cron10:29:593
193610499210,20cyclictest2131074-21/usr/sbin/munin10:20:163
193610499210,20cyclictest2073449-21https09:25:003
1936102992119,1cyclictest0-21swapper/211:30:092
1936102992118,2cyclictest0-21swapper/211:25:112
1936102992118,1cyclictest0-21swapper/208:15:132
1936102992116,3cyclictest0-21swapper/208:20:112
1936102992115,3cyclictest2058506-21apt-get09:10:142
1936098992119,1cyclictest0-21swapper/110:15:211
1936098992119,1cyclictest0-21swapper/109:25:001
1936098992118,2cyclictest1941222-21latency_hist07:15:011
1936098992118,2cyclictest1941222-21latency_hist07:15:001
1936098992117,2cyclictest2042973-21sh08:55:011
193609899210,20cyclictest64-21kcompactd008:57:291
193609899210,20cyclictest2123462-21taskset10:10:201
193609899210,20cyclictest2123462-21taskset10:10:191
193609899210,20cyclictest0-21swapper/112:02:241
193609899210,20cyclictest0-21swapper/111:19:241
193609899210,19cyclictest0-21swapper/108:10:111
1936094992119,1cyclictest64-21kcompactd009:52:190
1936094992118,2cyclictest2268781-21idleruntime-cro12:35:000
1936094992118,2cyclictest2123436-21ntpq10:10:190
1936094992118,2cyclictest2123436-21ntpq10:10:190
1936094992118,1cyclictest2109151-21cron10:00:000
1936094992117,3cyclictest2151261-21apt-get10:40:110
1936094992117,2cyclictest0-21swapper/011:10:120
193609499210,2cyclictest0-21swapper/008:30:130
193609499210,1cyclictest0-21swapper/009:04:590
193609499210,1cyclictest0-21swapper/008:50:120
1936104992018,1cyclictest0-21swapper/311:45:123
1936104992018,1cyclictest0-21swapper/311:00:113
1936104992016,2cyclictest2037977-21munin-run08:50:013
193610499200,1cyclictest0-21swapper/309:55:123
193610499200,1cyclictest0-21swapper/309:43:103
193610499200,1cyclictest0-21swapper/308:00:223
1936102992017,2cyclictest2212178-21apt-get11:40:022
1936102992017,2cyclictest0-21swapper/211:19:562
1936102992017,1cyclictest0-21swapper/210:45:112
1936102992015,3cyclictest0-21swapper/212:10:112
1936098992018,1cyclictest1977641-21apt-get07:50:131
1936098992018,1cyclictest0-21swapper/110:40:111
1936098992018,1cyclictest0-21swapper/109:40:121
1936098992018,1cyclictest0-21swapper/107:30:131
1936098992017,2cyclictest2243416-21cron12:10:001
1936098992017,2cyclictest2033673-21ps08:45:161
1936098992017,1cyclictest0-21swapper/107:24:291
1936098992017,1cyclictest0-21swapper/107:15:121
1936098992016,2cyclictest0-21swapper/110:25:121
193609899200,2cyclictest1962947-21sort07:35:171
193609899200,20cyclictest0-21swapper/109:58:141
193609899200,1cyclictest0-21swapper/110:50:121
193609899200,1cyclictest0-21swapper/107:40:121
193609899200,19cyclictest2013466-21ps08:25:161
193609899200,19cyclictest0-21swapper/112:34:091
1936094992018,1cyclictest0-21swapper/012:10:120
1936094992018,1cyclictest0-21swapper/007:10:120
1936094992018,1cyclictest0-21swapper/007:10:110
1936094992017,2cyclictest2161160-21cron10:50:000
1936094992017,1cyclictest0-21swapper/009:30:110
1936094992015,2cyclictest0-21swapper/011:40:020
1936094992014,4cyclictest0-21swapper/008:20:110
193609499200,1cyclictest0-21swapper/010:15:210
1936104991917,1cyclictest0-21swapper/309:25:113
193610499190,19cyclictest0-21swapper/312:32:313
1936102991916,2cyclictest64-21kcompactd010:22:572
1936102991916,2cyclictest0-21swapper/212:35:122
1936098991918,1cyclictest0-21swapper/110:08:591
1936098991917,1cyclictest0-21swapper/109:45:211
1936098991916,2cyclictest702-21runrttasks10:35:191
1936098991915,2cyclictest0-21swapper/112:10:121
1936098991914,2cyclictest2202336-21apt-get11:30:091
193609899190,19cyclictest0-21swapper/111:50:121
1936094991916,1cyclictest0-21swapper/008:15:120
1936094991915,2cyclictest64-21kcompactd011:19:560
1936102991816,1cyclictest0-21swapper/211:00:112
1936102991813,2cyclictest2145079-21/usr/sbin/munin10:35:002
1936098991816,1cyclictest0-21swapper/107:55:101
1936098991815,2cyclictest0-21swapper/111:45:001
193609899180,0cyclictest0-21swapper/110:45:111
1936094991816,1cyclictest0-21swapper/011:30:090
1936094991815,2cyclictest0-21swapper/012:35:120
1936094991815,2cyclictest0-21swapper/011:53:480
1936094991815,2cyclictest0-21swapper/011:25:110
1936094991814,2cyclictest2171521-21apt-get11:00:110
1936104991716,1cyclictest0-21swapper/308:40:013
1936104991714,2cyclictest64-21kcompactd011:15:063
1936104991714,2cyclictest0-21swapper/308:15:003
1936098991715,1cyclictest0-21swapper/109:52:191
1936098991714,2cyclictest0-21swapper/109:30:111
1936098991713,2cyclictest2002884-21apt-get08:15:121
1936094991715,1cyclictest0-21swapper/007:55:100
1936094991714,2cyclictest61650irq/133-enp0s29f1:rx-007:28:480
1936094991714,2cyclictest1981414-21needreboot07:50:200
1936104991615,0cyclictest0-21swapper/311:55:213
1936102991614,1cyclictest0-21swapper/209:55:002
1936098991614,1cyclictest0-21swapper/108:07:291
1936098991613,2cyclictest2145075-21latency_hist10:35:011
1936098991613,2cyclictest2130443-21gltestperf10:20:141
1936098991612,2cyclictest0-21swapper/110:55:131
1936094991613,2cyclictest0-21swapper/010:22:570
1936094991612,2cyclictest0-21swapper/009:10:140
1936104991513,1cyclictest0-21swapper/308:55:123
1936104991513,1cyclictest0-21swapper/307:25:133
1936104991512,2cyclictest1976510-21ntpq07:45:233
1936104991511,3cyclictest2028432-21head08:40:123
1936102991512,2cyclictest261-21systemd-journal09:34:592
1936102991510,4cyclictest261-21systemd-journal09:10:002
1936098991513,1cyclictest2008866-21sort08:20:161
1936098991512,2cyclictest0-21swapper/111:55:111
1936094991512,2cyclictest0-21swapper/009:45:210
1936104991412,1cyclictest0-21swapper/312:05:133
1936104991412,1cyclictest0-21swapper/309:05:223
1936104991412,1cyclictest0-21swapper/307:32:003
1936104991411,2cyclictest0-21swapper/312:11:013
1936094991411,2cyclictest0-21swapper/010:35:000
193610499136,5cyclictest2067465-21ntpq09:15:223
1936098991310,2cyclictest0-21swapper/111:00:111
193609899129,2cyclictest2058882-21gltestperf09:10:171
193610499106,2cyclictest2099048-21latency_hist09:50:013
193610299107,2cyclictest1936019-21latency_hist07:10:012
19361049996,2cyclictest2254104-21fschecks_time12:20:143
19360949980,7cyclictest1936097-21latency_hist07:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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