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2026-04-13 - 18:24
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Mon Apr 13, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3065489993329,2cyclictest0-21swapper/209:30:162
3065491993117,2cyclictest3402136-21latency_hist12:40:003
306549199301,21cyclictest3234344-21apt-get09:55:123
306549199290,3cyclictest3381195-21apt-get12:20:003
306548599271,21cyclictest3116746-21apt-get08:00:111
306548599270,24cyclictest730-21sshd12:00:151
306549199261,21cyclictest3183115-21apt-get09:05:133
306548999262,21cyclictest3381891-21apt-get12:20:132
3065489992619,5cyclictest3295206-21cron10:55:002
306548999261,4cyclictest261-21systemd-journal08:50:002
3065491992519,1cyclictest3106610-21apt-get07:50:113
306548999251,21cyclictest3157718-21apt-get08:40:112
306548999251,20cyclictest0-21swapper/211:45:122
306548999250,22cyclictest3274849-21chrt10:35:132
3065485992520,2cyclictest3305545-21apt-get11:05:131
306548599251,20cyclictest3101556-21apt-get07:45:121
306548599251,20cyclictest0-21swapper/111:10:131
3065481992519,4cyclictest3224259-21grep09:45:160
3065481992519,3cyclictest3254755-21df10:15:150
3065491992420,2cyclictest3300511-21apt-get11:00:113
3065491992420,2cyclictest3167837-21apt-get08:50:143
3065491992418,2cyclictest64-21kcompactd008:39:333
306549199241,20cyclictest3330799-21apt-get11:30:133
306549199241,20cyclictest0-21swapper/311:55:123
306549199240,21cyclictest3264716-21taskset10:25:123
306549199240,18cyclictest0-21swapper/308:25:113
306548999241,21cyclictest3079798-21ntpq07:20:202
306548999241,20cyclictest0-21swapper/212:25:122
306548999240,21cyclictest0-21swapper/210:40:132
306548999240,20cyclictest0-21swapper/212:30:132
3065485992419,3cyclictest3096524-21apt-get07:40:121
3065485992417,5cyclictest3387384-21ps12:25:161
306548599241,20cyclictest3295488-21apt-get10:55:141
306548599241,20cyclictest3152650-21apt-get08:35:111
306548599240,4cyclictest3345747-21munin-run11:45:011
306548599240,20cyclictest0-21swapper/110:05:121
306548599240,20cyclictest0-21swapper/107:25:131
3065481992420,3cyclictest3218700-21apt-get09:40:130
3065481992419,3cyclictest3340678-21cron11:40:010
3065481992418,4cyclictest3213632-21taskset09:35:120
306548199241,20cyclictest3351064-21apt-get11:50:130
3065491992320,1cyclictest3274846-21apt-get10:35:133
3065491992319,2cyclictest3279924-21apt-get10:40:133
3065491992319,2cyclictest0-21swapper/311:10:123
306549199230,20cyclictest0-21swapper/308:15:133
306549199230,19cyclictest0-21swapper/309:20:133
3065489992320,2cyclictest3284978-21apt-get10:45:132
3065489992320,2cyclictest3137444-21apt-get08:20:132
3065489992319,3cyclictest1-21systemd12:20:002
3065489992316,5cyclictest3315377-21cron11:15:012
3065489992316,5cyclictest0-21swapper/210:04:592
306548999231,20cyclictest0-21swapper/212:05:102
306548999231,19cyclictest0-21swapper/209:55:122
306548999230,21cyclictest3085957-21apt-key07:30:002
306548999230,20cyclictest0-21swapper/212:00:122
306548999230,20cyclictest0-21swapper/209:00:112
306548999230,20cyclictest0-21swapper/208:10:112
306548999230,20cyclictest0-21swapper/207:15:112
306548999230,19cyclictest0-21swapper/208:15:132
3065485992320,2cyclictest3192958-21idleruntime-cro09:15:001
3065485992319,3cyclictest3111414-21cron07:55:011
3065485992319,2cyclictest3397034-21apt-get12:35:111
3065485992319,2cyclictest3371304-21apt-get12:10:121
3065485992319,2cyclictest3356094-21apt-get11:55:131
3065485992319,2cyclictest3320685-21apt-get11:20:101
306548599231,21cyclictest261-21systemd-journal08:35:001
306548599230,4cyclictest3228556-21idleruntime-cro09:49:591
306548599230,21cyclictest3353275-21sed11:50:191
306548599230,20cyclictest0-21swapper/108:15:121
3065481992319,2cyclictest3244483-21apt-get10:05:120
3065481992319,2cyclictest3075882-21apt-get07:20:110
306548199231,20cyclictest3239414-21apt-get10:00:110
306548199230,20cyclictest0-21swapper/011:05:130
3065491992219,2cyclictest3091471-21apt-get07:35:123
3065491992219,1cyclictest3264432-21cron10:25:003
3065491992219,1cyclictest3264432-21cron10:25:003
306549199220,21cyclictest3373134-21kthreadcore12:10:173
306549199220,20cyclictest3250022-21irqcore10:10:173
306549199220,19cyclictest0-21swapper/308:30:133
306549199220,19cyclictest0-21swapper/307:55:123
3065489992219,2cyclictest0-21swapper/211:20:102
3065489992218,2cyclictest3310339-21munin-run11:10:012
3065489992218,2cyclictest3147607-21apt-get08:30:142
3065489992218,2cyclictest0-21swapper/211:35:122
306548999220,4cyclictest3376129-21idleruntime-cro12:15:002
306548999220,3cyclictest3345757-21idleruntime-cro11:45:012
306548999220,2cyclictest3351401-21gltestperf11:50:162
306548999220,2cyclictest3070501-21cron07:15:002
306548999220,20cyclictest3188669-21ps09:10:152
306548999220,19cyclictest0-21swapper/209:45:122
3065485992219,2cyclictest3233680-21systemd-run09:55:001
3065485992219,2cyclictest3091218-21idleruntime-cro07:35:001
3065485992219,2cyclictest3091218-21idleruntime-cro07:35:001
3065485992218,2cyclictest3269792-21apt-get10:30:141
3065485992218,2cyclictest3065699-21apt-get07:10:111
3065485992217,3cyclictest3259425-21munin-run10:19:591
306548599221,20cyclictest3346007-21apt-get11:45:101
306548599221,1cyclictest0-21swapper/109:30:121
306548599220,20cyclictest0-21swapper/110:20:121
306548599220,20cyclictest0-21swapper/110:20:121
306548599220,19cyclictest0-21swapper/110:40:131
306548599220,19cyclictest0-21swapper/110:25:111
306548599220,19cyclictest0-21swapper/109:05:131
3065481992219,2cyclictest211rcuc/009:55:130
3065481992219,2cyclictest0-21swapper/012:25:120
3065481992217,3cyclictest3182841-21sh09:05:000
306548199221,2cyclictest0-21swapper/011:40:130
306548199221,20cyclictest0-21swapper/009:10:220
306548199221,1cyclictest3325720-21apt-get11:25:120
306548199220,2cyclictest3290454-21apt-get10:50:120
306548199220,21cyclictest3117695-21ps08:00:160
306548199220,20cyclictest0-21swapper/012:15:130
306548199220,20cyclictest0-21swapper/011:20:100
3065491992119,1cyclictest0-21swapper/311:35:113
3065491992118,2cyclictest3349914-21ntpq11:45:213
3065491992118,2cyclictest3319536-21ntpq11:15:203
3065491992118,2cyclictest1-21systemd08:15:003
3065491992117,3cyclictest3233661-21apt-get09:55:003
306549199211,1cyclictest0-21swapper/310:56:373
306549199211,1cyclictest0-21swapper/310:50:033
306549199211,19cyclictest0-21swapper/308:55:133
306549199210,2cyclictest64-21kcompactd007:43:063
306549199210,20cyclictest3223491-21cron09:44:593
306549199210,20cyclictest0-21swapper/308:03:323
306549199210,18cyclictest0-21swapper/312:00:113
3065489992119,1cyclictest0-21swapper/207:50:122
3065489992118,2cyclictest0-21swapper/211:17:362
3065489992118,1cyclictest0-21swapper/207:40:112
306548999210,2cyclictest64-21kcompactd012:36:052
306548999210,20cyclictest0-21swapper/210:20:112
306548999210,20cyclictest0-21swapper/210:20:112
306548999210,20cyclictest0-21swapper/207:34:292
306548999210,20cyclictest0-21swapper/207:34:292
306548999210,1cyclictest0-21swapper/210:25:122
3065485992118,2cyclictest3290454-21apt-get10:50:111
3065485992118,1cyclictest0-21swapper/111:00:111
3065485992118,1cyclictest0-21swapper/108:50:131
306548599211,1cyclictest0-21swapper/107:21:351
306548599211,19cyclictest0-21swapper/110:00:431
306548599210,20cyclictest0-21swapper/112:18:521
306548599210,20cyclictest0-21swapper/110:50:011
306548599210,20cyclictest0-21swapper/108:13:441
306548599210,1cyclictest0-21swapper/107:55:121
306548599210,19cyclictest3326209-21ps11:25:171
306548599210,19cyclictest0-21swapper/111:35:121
306548599210,19cyclictest0-21swapper/108:25:111
3065481992119,1cyclictest0-21swapper/008:30:130
3065481992119,1cyclictest0-21swapper/007:35:130
3065481992116,3cyclictest261-21systemd-journal12:10:000
306548199211,19cyclictest0-21swapper/007:40:120
306548199210,2cyclictest500-21dbus-daemon09:54:590
306548199210,20cyclictest3209035-21ps09:30:160
306548199210,20cyclictest211rcuc/010:45:170
306548199210,20cyclictest0-21swapper/011:15:100
306548199210,20cyclictest0-21swapper/010:30:140
306548199210,20cyclictest0-21swapper/008:50:140
306548199210,20cyclictest0-21swapper/008:20:440
306548199210,20cyclictest0-21swapper/007:15:010
306548199210,19cyclictest3382698-21sed12:20:180
3065491992019,1cyclictest0-21swapper/312:26:253
3065491992018,1cyclictest0-21swapper/311:40:173
3065491992018,1cyclictest0-21swapper/310:05:133
3065491992018,1cyclictest0-21swapper/310:00:113
3065491992018,1cyclictest0-21swapper/309:45:123
306549199200,1cyclictest64-21kcompactd007:10:183
306549199200,1cyclictest0-21swapper/310:45:143
306549199200,1cyclictest0-21swapper/309:30:123
306549199200,1cyclictest0-21swapper/309:10:113
306549199200,1cyclictest0-21swapper/308:45:093
306549199200,19cyclictest3330524-21cron11:30:003
306549199200,19cyclictest3158203-21ps08:40:153
306549199200,19cyclictest3121801-21apt-get08:05:113
3065489992017,2cyclictest64-21kcompactd009:51:352
3065489992017,1cyclictest0-21swapper/209:05:132
306548999200,1cyclictest0-21swapper/208:40:012
306548999200,1cyclictest0-21swapper/207:55:122
306548999200,1cyclictest0-21swapper/207:38:482
3065485992018,1cyclictest0-21swapper/112:30:131
3065485992018,1cyclictest0-21swapper/110:35:141
3065485992018,1cyclictest0-21swapper/108:45:091
306548599200,1cyclictest0-21swapper/111:30:121
306548599200,19cyclictest0-21swapper/109:15:221
3065481992018,1cyclictest0-21swapper/011:30:120
3065481992018,1cyclictest0-21swapper/010:44:160
3065481992017,2cyclictest64-21kcompactd009:26:190
3065481992017,2cyclictest3371304-21apt-get12:10:120
3065481992017,2cyclictest3142535-21apt-get08:25:110
3065481992017,2cyclictest0-21swapper/008:42:470
3065481992016,2cyclictest3086438-21apt-get07:30:110
3065481992016,2cyclictest3086438-21apt-get07:30:110
3065481992015,3cyclictest3111689-21apt-get07:55:120
306548199200,1cyclictest0-21swapper/011:45:110
306548199200,1cyclictest0-21swapper/008:10:120
306548199200,1cyclictest0-21swapper/008:05:130
306548199200,19cyclictest0-21swapper/010:55:130
3065491991917,1cyclictest0-21swapper/311:05:133
3065491991916,2cyclictest3351559-21irqcore11:50:173
306549199190,1cyclictest0-21swapper/307:24:183
3065489991917,1cyclictest0-21swapper/210:18:272
3065489991917,1cyclictest0-21swapper/209:26:522
3065489991915,2cyclictest3121801-21apt-get08:05:132
306548999190,1cyclictest0-21swapper/208:50:232
3065485991916,2cyclictest3175168-21kthreadcore08:55:201
3065481991915,2cyclictest3070778-21apt-get07:15:110
3065491991816,1cyclictest64-21kcompactd007:16:133
3065491991816,1cyclictest0-21swapper/309:25:133
306549199180,1cyclictest0-21swapper/310:30:143
3065489991816,1cyclictest0-21swapper/211:32:072
3065489991814,2cyclictest3246690-21kthreadcore10:05:182
3065489991814,2cyclictest0-21swapper/209:25:002
3065485991816,1cyclictest0-21swapper/112:20:131
3065485991816,1cyclictest0-21swapper/109:20:131
3065485991815,2cyclictest0-21swapper/111:15:191
3065481991816,1cyclictest0-21swapper/008:55:140
3065481991816,1cyclictest0-21swapper/007:45:220
3065491991715,1cyclictest0-21swapper/309:15:123
3065491991712,3cyclictest0-21swapper/312:25:003
3065489991715,1cyclictest0-21swapper/211:55:132
3065489991715,1cyclictest0-21swapper/210:30:232
3065489991715,1cyclictest0-21swapper/209:15:122
3065489991714,2cyclictest3254335-21sh10:15:002
306548599179,7cyclictest0-21swapper/108:45:001
3065481991715,1cyclictest3259681-21apt-get10:20:120
3065481991715,1cyclictest3259681-21apt-get10:20:110
3065481991715,1cyclictest0-21swapper/007:25:130
3065481991714,2cyclictest61650irq/133-enp0s29f1:rx-011:00:090
3065481991714,2cyclictest61650irq/133-enp0s29f1:rx-008:35:180
3065481991714,2cyclictest61650irq/133-enp0s29f1:rx-008:15:180
3065481991714,2cyclictest512-21tpm2-abrmd09:25:000
3065481991714,1cyclictest0-21swapper/007:50:130
306549199164,2cyclictest32136072find09:35:113
3065489991614,1cyclictest0-21swapper/208:00:502
3065489991613,2cyclictest0-21swapper/209:40:122
3065489991612,3cyclictest3218007-21unixbench_singl09:35:252
3065485991614,1cyclictest0-21swapper/112:05:101
3065485991614,1cyclictest0-21swapper/107:19:591
3065485991613,2cyclictest3254337-21turbostat.cron10:15:001
3065481991614,1cyclictest64-21kcompactd010:13:380
3065481991614,1cyclictest0-21swapper/011:55:120
3065481991614,1cyclictest0-21swapper/009:05:120
3065481991613,2cyclictest61650irq/133-enp0s29f1:rx-012:30:120
3065481991613,2cyclictest61650irq/133-enp0s29f1:rx-012:00:230
3065481991613,2cyclictest61650irq/133-enp0s29f1:rx-010:35:190
3065481991613,2cyclictest61650irq/133-enp0s29f1:rx-010:25:220
3065491991513,1cyclictest0-21swapper/312:05:113
3065491991513,1cyclictest0-21swapper/307:47:573
3065489991513,1cyclictest3173880-21ps08:55:182
3065489991511,2cyclictest3102508-21sort07:45:172
3065485991512,2cyclictest3203446-21apt-get09:25:141
3065485991512,2cyclictest311ktimers/109:58:541
3065481991513,1cyclictest64-21kcompactd011:11:410
3065491991411,1cyclictest3178021-21apt-get09:00:113
3065491991410,2cyclictest3254605-21apt-get10:15:133
306548999148,4cyclictest3330190-21sshd11:25:582
3065489991411,2cyclictest3304847-21unixbench_singl11:00:242
3065485991410,3cyclictest3223060-21unixbench_singl09:40:251
3065485991410,3cyclictest3126617-21systemd-run08:10:011
3065485991410,2cyclictest3091788-21gltestperf07:35:161
3065481991411,2cyclictest61650irq/133-enp0s29f1:rx-012:35:160
3065481991411,2cyclictest61650irq/133-enp0s29f1:rx-008:45:120
3065491991311,1cyclictest0-21swapper/311:20:103
3065491991311,1cyclictest0-21swapper/307:25:123
306548999137,4cyclictest3142866-21head08:25:142
306548599139,3cyclictest3137736-21gltestperf08:20:151
3065491991210,1cyclictest0-21swapper/312:30:133
306548999129,2cyclictest0-21swapper/210:55:132
306549199117,3cyclictest3137512-21cpuspeed_turbos08:20:133
306548599117,3cyclictest3213695-21cpuspeed_turbos09:35:131
306548599110,2cyclictest3065408-21latency_hist07:10:001
306549199107,2cyclictest3086599-21diskstats07:30:133
306549199107,2cyclictest3086599-21diskstats07:30:123
306548599105,4cyclictest3180257-21tr09:00:161
30654819985,2cyclictest0-21swapper/007:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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