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2025-12-17 - 08:06
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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 all highest latencies:
System rackeslot4.osadl.org (updated Wed Dec 17, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3304692993936,2cyclictest3462692-21fwupd21:44:560
3304697993632,2cyclictest3462692-21fwupd21:44:562
3304694992926,2cyclictest0-21swapper/100:40:001
330470299272,22cyclictest3529360-21apt-get22:50:123
3304697992723,3cyclictest514-21in:imuxsock19:15:002
330470299260,24cyclictest3406572-21cron20:50:003
330470299260,21cyclictest631665-21kworker/u8:1+flush-259:023:25:123
330469799262,21cyclictest3406849-21apt-get20:50:132
3304692992619,5cyclictest3565552-21basename23:25:000
330469299261,22cyclictest3591609-21apt-get23:50:100
3304702992520,3cyclictest3350833-21apt-get19:55:113
330469799251,21cyclictest3524267-21apt-get22:45:122
330469799251,20cyclictest3514126-21apt-get22:35:122
330469799250,22cyclictest3356780-21tr20:00:142
3304692992521,3cyclictest3355617-21cut20:00:010
330469299251,22cyclictest3416937-21apt-get21:00:130
330469299251,22cyclictest3416937-21apt-get21:00:130
330469299250,24cyclictest261-21systemd-journal20:45:000
3304702992420,3cyclictest3356290-21apt-get20:00:113
3304702992416,5cyclictest3581462-21taskset23:40:133
330470299241,20cyclictest3366403-21apt-get20:10:143
330470299241,20cyclictest3325133-21apt-get19:30:113
3304697992420,2cyclictest3612307-21apt-get00:10:122
330469799241,3cyclictest3488770-21apt-get22:10:112
330469799241,20cyclictest0-21swapper/221:55:132
3304694992420,3cyclictest3632535-21apt-get00:30:131
3304694992420,2cyclictest3391657-21apt-get20:35:111
330469499241,21cyclictest3493862-21apt-get22:15:111
330469499241,21cyclictest3356290-21apt-get20:00:101
3304692992422,1cyclictest0-21swapper/019:25:130
3304692992421,1cyclictest3437381-21cron21:20:000
3304692992420,3cyclictest3416657-21cron21:00:000
330469299241,2cyclictest3576387-21apt-get23:35:120
330469299240,4cyclictest3361846-21grep20:05:160
3304702992319,2cyclictest3627478-21apt-get00:25:133
3304702992319,2cyclictest0-21swapper/322:10:113
3304702992319,2cyclictest0-21swapper/320:25:123
330470299231,20cyclictest3545554-21grep23:05:163
330470299230,21cyclictest3421715-21cron21:05:003
330470299230,21cyclictest3421715-21cron21:04:593
330470299230,20cyclictest3560041-21apt-get23:20:033
330470299230,20cyclictest0-21swapper/300:05:023
3304697992320,2cyclictest3545065-21apt-get23:05:122
3304697992319,2cyclictest3519195-21apt-get22:40:122
3304697992319,2cyclictest0-21swapper/219:40:172
330469799231,2cyclictest3617338-21apt-get00:15:102
330469799231,2cyclictest3607253-21apt-get00:05:122
330469799231,19cyclictest3586533-21apt-get23:45:122
330469799231,19cyclictest3478628-21apt-get22:00:112
330469499231,2cyclictest3483701-21apt-get22:05:141
330469499231,2cyclictest3361346-21apt-get20:05:111
330469499231,20cyclictest3371436-21apt-get20:15:131
330469499230,20cyclictest3539980-21/usr/sbin/munin23:00:131
330469499230,20cyclictest3504031-21apt-get22:25:131
3304692992321,1cyclictest0-21swapper/019:45:110
3304692992319,2cyclictest3550113-21apt-get23:10:110
330469299231,3cyclictest3596711-21apt-get23:55:120
330469299231,20cyclictest0-21swapper/000:20:120
330469299230,2cyclictest3508824-21munin-plugin-st22:30:000
330469299230,22cyclictest3571317-21apt-get23:30:130
330469299230,21cyclictest3643104-21base6400:40:000
3304702992218,2cyclictest3560035-21latency_hist23:20:003
3304702992218,2cyclictest3442715-21apt-get21:25:123
3304702992218,2cyclictest3427498-21apt-get21:10:123
3304702992218,2cyclictest3427498-21apt-get21:10:113
330470299221,2cyclictest0-21swapper/319:45:123
330470299221,1cyclictest0-21swapper/319:50:183
330470299220,20cyclictest0-21swapper/319:15:123
330470299220,20cyclictest0-21swapper/300:15:103
330470299220,19cyclictest0-21swapper/323:10:133
330470299220,19cyclictest0-21swapper/322:55:133
330470299220,19cyclictest0-21swapper/321:15:113
3304697992219,2cyclictest3498940-21apt-get22:20:132
3304697992219,2cyclictest0-21swapper/222:55:122
3304697992219,2cyclictest0-21swapper/221:05:102
330469799221,19cyclictest0-21swapper/222:54:592
330469799220,2cyclictest3340725-21apt-get19:45:132
330469799220,2cyclictest0-21swapper/221:10:122
330469799220,2cyclictest0-21swapper/221:10:122
330469799220,21cyclictest3319802-21cron19:25:012
330469799220,19cyclictest0-21swapper/223:50:112
330469799220,19cyclictest0-21swapper/223:15:122
330469799220,19cyclictest0-21swapper/221:50:132
330469799220,19cyclictest0-21swapper/221:00:122
330469799220,19cyclictest0-21swapper/221:00:122
330469499221,20cyclictest3330215-21apt-get19:35:141
3304692992219,2cyclictest0-21swapper/023:05:120
3304692992219,2cyclictest0-21swapper/022:40:120
3304692992219,2cyclictest0-21swapper/022:35:120
3304692992216,4cyclictest3581459-21apt-get23:40:120
330469299221,2cyclictest0-21swapper/022:05:130
330469299221,2cyclictest0-21swapper/021:50:130
330469299221,2cyclictest0-21swapper/021:20:120
330469299221,20cyclictest3314999-21apt-get19:20:120
330469299221,20cyclictest0-21swapper/022:50:200
330469299221,20cyclictest0-21swapper/021:40:000
330469299221,1cyclictest0-21swapper/022:00:020
330469299220,21cyclictest0-21swapper/023:00:120
3304702992119,1cyclictest0-21swapper/319:25:123
3304702992117,3cyclictest3319811-21idleruntime-cro19:25:013
330470299211,1cyclictest3334167-21ntpq19:35:243
330470299211,1cyclictest0-21swapper/322:30:123
330470299210,2cyclictest0-21swapper/323:35:123
330470299210,20cyclictest0-21swapper/319:45:003
330470299210,1cyclictest0-21swapper/323:55:123
330470299210,1cyclictest0-21swapper/322:35:123
330470299210,1cyclictest0-21swapper/322:15:123
330470299210,19cyclictest3544788-21cron23:05:003
330469799214,9cyclictest3381274-21idleruntime-cro20:25:002
3304697992119,1cyclictest0-21swapper/222:25:122
3304697992117,2cyclictest3601774-21apt-get00:00:132
3304697992117,2cyclictest3392142-21irqcore20:35:152
3304697992117,2cyclictest3320080-21apt-get19:25:122
3304697992116,4cyclictest3452570-21cron21:35:002
330469799210,20cyclictest0-21swapper/200:25:202
330469799210,1cyclictest0-21swapper/222:15:112
330469799210,1cyclictest0-21swapper/221:45:122
330469799210,1cyclictest0-21swapper/221:35:132
330469799210,19cyclictest0-21swapper/220:15:122
3304694992119,1cyclictest3309962-21apt-get19:15:111
3304694992119,1cyclictest0-21swapper/123:20:111
3304694992119,1cyclictest0-21swapper/122:20:131
3304694992119,1cyclictest0-21swapper/122:00:021
3304694992119,1cyclictest0-21swapper/100:05:111
3304694992118,1cyclictest0-21swapper/122:50:111
3304694992117,3cyclictest3397247-21cut20:40:191
3304694992117,2cyclictest3386582-21apt-get20:30:111
3304694992114,2cyclictest377-21hwrng00:15:191
330469499211,1cyclictest0-21swapper/120:10:141
330469499211,1cyclictest0-21swapper/100:10:111
330469499210,20cyclictest3402276-21ps20:45:141
330469499210,20cyclictest0-21swapper/123:45:131
330469499210,20cyclictest0-21swapper/121:40:131
330469499210,1cyclictest0-21swapper/119:55:111
3304692992119,1cyclictest0-21swapper/023:25:120
3304692992119,1cyclictest0-21swapper/019:35:140
3304692992118,2cyclictest0-21swapper/020:30:120
3304692992118,1cyclictest3376213-21cron20:20:000
3304692992117,2cyclictest3509078-21apt-get22:30:120
3304692992117,2cyclictest0-21swapper/020:15:000
330469299211,19cyclictest3361070-21cron20:04:590
330469299210,2cyclictest3605800-21ps00:00:250
330469299210,2cyclictest0-21swapper/020:25:120
330469299210,20cyclictest0-21swapper/019:10:120
330469299210,1cyclictest16-21ksoftirqd/019:30:100
3304702992018,1cyclictest0-21swapper/321:30:173
3304702992018,1cyclictest0-21swapper/320:35:113
3304702992016,2cyclictest3304907-21apt-get19:10:113
330470299200,1cyclictest0-21swapper/323:30:113
330470299200,1cyclictest0-21swapper/322:20:133
3304697992017,2cyclictest0-21swapper/219:30:112
3304697992017,1cyclictest0-21swapper/223:35:112
3304697992016,2cyclictest3566222-21apt-get23:25:132
330469799200,1cyclictest0-21swapper/221:20:122
330469799200,18cyclictest0-21swapper/222:30:122
3304694992018,1cyclictest0-21swapper/123:55:111
3304694992018,1cyclictest0-21swapper/123:35:111
3304694992018,1cyclictest0-21swapper/122:45:111
3304694992018,1cyclictest0-21swapper/121:25:121
3304694992017,2cyclictest3555692-21ps23:15:161
3304694992017,2cyclictest0-21swapper/123:50:111
3304694992012,1cyclictest0-21swapper/121:15:001
3304694992012,1cyclictest0-21swapper/121:15:001
330469499200,1cyclictest3467787-21cron21:50:001
330469499200,1cyclictest3451676-21ntpq21:30:211
330469499200,1cyclictest0-21swapper/123:40:121
330469499200,1cyclictest0-21swapper/121:00:131
330469499200,1cyclictest0-21swapper/121:00:131
330469499200,1cyclictest0-21swapper/120:20:121
330469499200,1cyclictest0-21swapper/119:45:111
330469499200,19cyclictest0-21swapper/119:25:131
330469499200,19cyclictest0-21swapper/119:20:111
330469499200,19cyclictest0-21swapper/100:25:121
3304692992015,3cyclictest0-21swapper/019:55:010
330469299200,1cyclictest0-21swapper/022:20:130
330469299200,1cyclictest0-21swapper/021:45:120
3304702991917,1cyclictest0-21swapper/321:35:133
3304702991917,1cyclictest0-21swapper/320:30:123
3304702991916,2cyclictest0-21swapper/320:20:133
3304697991917,1cyclictest0-21swapper/223:55:212
3304697991917,1cyclictest0-21swapper/220:25:122
3304697991917,1cyclictest0-21swapper/219:15:112
3304697991917,1cyclictest0-21swapper/200:35:122
3304697991916,2cyclictest0-21swapper/223:20:112
330469799190,19cyclictest0-21swapper/223:30:202
3304694991917,1cyclictest0-21swapper/123:25:121
3304694991917,1cyclictest0-21swapper/121:15:111
3304694991916,2cyclictest3513857-21idleruntime-cro22:35:001
3304692991917,1cyclictest3617338-21apt-get00:15:110
3304692991917,1cyclictest0-21swapper/022:55:110
3304692991917,1cyclictest0-21swapper/019:40:130
3304692991916,2cyclictest3494348-21ps22:15:150
3304692991916,2cyclictest0-21swapper/020:50:130
3304692991915,3cyclictest0-21swapper/021:10:130
3304692991915,3cyclictest0-21swapper/021:10:130
3304692991914,3cyclictest3590421-21ntpq23:45:210
3304702991815,2cyclictest3638053-21apt-get00:35:113
3304702991815,1cyclictest3524267-21apt-get22:45:113
3304697991816,1cyclictest0-21swapper/220:30:152
3304697991816,1cyclictest0-21swapper/220:10:142
3304697991816,1cyclictest0-21swapper/219:55:112
3304697991815,2cyclictest0-21swapper/220:55:122
3304697991814,2cyclictest3622400-21apt-get00:20:122
330469499183,2cyclictest191rcu_preempt20:55:171
3304694991816,1cyclictest0-21swapper/123:30:121
3304694991816,1cyclictest0-21swapper/121:55:131
3304694991815,2cyclictest3493587-21cron22:15:011
3304694991815,2cyclictest0-21swapper/122:40:121
3304692991816,1cyclictest0-21swapper/021:55:120
330469299181,5cyclictest3632987-21cat00:30:170
330469299181,3cyclictest3529101-21munin-run22:49:590
3304692991813,1cyclictest191rcu_preempt19:15:200
3304702991716,0cyclictest0-21swapper/320:55:123
3304702991711,4cyclictest3477925-21cron22:00:003
3304697991711,4cyclictest401ktimers/219:35:142
330469799170,1cyclictest0-21swapper/221:20:002
3304694991715,1cyclictest0-21swapper/121:50:131
3304694991714,2cyclictest0-21swapper/123:05:121
3304694991713,3cyclictest3329022-21ntp_kernel_err19:30:181
3304694991710,2cyclictest191rcu_preempt00:25:001
330469299172,4cyclictest3608702-21tr00:05:170
3304692991715,1cyclictest0-21swapper/022:10:120
3304692991715,1cyclictest0-21swapper/000:10:110
3304692991713,3cyclictest0-21swapper/023:15:110
3304702991613,2cyclictest3427218-21cron21:10:003
3304702991613,2cyclictest0-21swapper/322:30:013
3304702991612,2cyclictest3462993-21apt-get21:45:113
3304697991614,1cyclictest0-21swapper/223:40:132
3304697991614,1cyclictest0-21swapper/222:05:132
3304697991614,1cyclictest0-21swapper/220:40:152
3304697991613,1cyclictest0-21swapper/219:50:122
3304697991612,3cyclictest3361570-21fschecks_time20:05:142
3304694991615,0cyclictest0-21swapper/122:55:201
3304694991614,1cyclictest3452848-21apt-get21:35:131
3304694991614,1cyclictest0-21swapper/122:35:121
3304694991614,1cyclictest0-21swapper/120:50:131
3304694991613,2cyclictest0-21swapper/100:05:011
330469299162,2cyclictest3451861-21gzip21:30:240
3304692991613,2cyclictest62450irq/134-enp0s29f1:tx-000:25:200
330469299160,3cyclictest3442715-21apt-get21:25:120
330470299158,5cyclictest261-21systemd-journal20:20:003
3304702991513,1cyclictest0-21swapper/320:40:243
3304702991513,1cyclictest0-21swapper/300:30:143
3304702991513,1cyclictest0-21swapper/300:20:123
3304697991513,1cyclictest0-21swapper/220:45:092
3304697991512,2cyclictest3544814-21cut23:05:002
3304697991512,1cyclictest0-21swapper/221:25:132
3304694991513,1cyclictest0-21swapper/119:40:121
330469299151,4cyclictest3393636-21cat20:35:160
330469299151,3cyclictest3304782-21cat19:10:010
330470299148,4cyclictest3596435-21cron23:55:003
3304702991412,1cyclictest0-21swapper/321:40:133
3304702991411,2cyclictest3606566-21turbostat00:05:003
3304702991411,2cyclictest3587485-21kthreadcore23:45:163
330470299140,14cyclictest0-21swapper/320:10:003
3304697991412,1cyclictest0-21swapper/200:32:232
3304694991410,3cyclictest3308724-21needreboot19:10:191
3304692991411,2cyclictest61650irq/133-enp0s29f1:rx-021:05:100
330470299139,2cyclictest3468065-21apt-get21:50:133
3304697991311,1cyclictest0-21swapper/223:10:122
330469499139,2cyclictest3381548-21apt-get20:25:121
330469499131,7cyclictest3442449-21turbostat.cron21:25:001
330470299128,3cyclictest3411616-21sshd20:54:563
330470299126,4cyclictest3519945-21sed22:40:163
330470299126,4cyclictest3442108-21sshd21:20:593
330470299120,10cyclictest3617254-21cat00:15:013
330469499120,2cyclictest191rcu_preempt21:05:171
330470299110,8cyclictest3483705-21taskset22:05:133
330469499118,2cyclictest3550605-21sort23:10:151
330469499110,4cyclictest3304775-21cat19:10:011
330469499110,2cyclictest0-21swapper/119:50:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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