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2026-09-10 - 17:44
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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 Sep 10, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301739699271,24cyclictest3144523-21cron09:15:002
301739299271,21cyclictest3129587-21apt-get09:00:121
301739699261,22cyclictest3124515-21apt-get08:55:112
301739699261,22cyclictest3058554-21apt-get07:50:122
301739699261,21cyclictest0-21swapper/208:25:122
301739299262,21cyclictest3155371-21apt-get09:25:111
301739299262,20cyclictest3089014-21apt-get08:20:111
301739299261,21cyclictest3333428-21apt-get12:20:121
301739899252,2cyclictest3160465-21apt-get09:30:113
3017398992521,2cyclictest0-21swapper/311:10:003
3017398992521,2cyclictest0-21swapper/311:09:593
301739899251,22cyclictest3277647-21apt-get11:25:113
3017396992520,3cyclictest3038016-21cron07:30:002
301739699251,20cyclictest0-21swapper/210:00:112
301739299252,20cyclictest3165533-21apt-get09:35:091
3017388992519,4cyclictest3150228-21cut09:20:130
3017398992420,2cyclictest3053507-21apt-get07:45:133
301739899241,21cyclictest3251588-21sh11:00:003
301739899241,21cyclictest3180747-21apt-get09:50:113
301739699242,2cyclictest3287782-21apt-get11:35:122
301739699242,2cyclictest3089014-21apt-get08:20:102
301739699241,21cyclictest3165275-21munin-run09:35:002
301739699241,20cyclictest3241726-21apt-get10:50:112
301739699241,20cyclictest3216337-21apt-get10:25:122
301739699241,20cyclictest3175676-21apt-get09:45:112
301739699241,20cyclictest0-21swapper/207:30:122
301739699240,21cyclictest0-21swapper/207:45:132
301739699240,20cyclictest0-21swapper/209:15:122
3017392992420,2cyclictest3256911-21apt-get11:05:111
3017392992420,2cyclictest3256911-21apt-get11:05:101
301739299241,20cyclictest3068742-21apt-get08:00:131
301739299241,20cyclictest3038293-21apt-get07:30:111
301739299240,21cyclictest0-21swapper/110:25:121
3017388992420,2cyclictest3028196-21apt-get07:20:120
3017388992419,3cyclictest3144520-21cron09:15:010
301738899241,21cyclictest3306933-21ntpq11:50:200
301739899232,20cyclictest3104248-21apt-get08:35:123
3017398992319,2cyclictest3114393-21apt-get08:45:113
301739899231,2cyclictest3303024-21apt-get11:50:123
301739899231,21cyclictest3022699-21apt-get07:15:113
301739899231,21cyclictest0-21swapper/309:55:133
301739899231,20cyclictest3231584-21apt-get10:40:113
301739899231,20cyclictest3226471-21apt-get10:35:143
301739899231,20cyclictest0-21swapper/308:10:133
301739899230,3cyclictest3333151-21cron12:20:013
301739899230,21cyclictest0-21swapper/310:30:113
3017396992319,2cyclictest3323265-21apt-get12:10:102
3017396992319,2cyclictest0-21swapper/211:00:112
3017396992319,2cyclictest0-21swapper/210:55:112
301739699231,2cyclictest3282719-21apt-get11:30:162
301739699231,2cyclictest3196005-21apt-get10:05:122
301739699231,2cyclictest0-21swapper/210:35:132
301739699231,20cyclictest1-21systemd10:15:002
301739699231,20cyclictest0-21swapper/212:25:122
301739699230,20cyclictest0-21swapper/212:35:132
301739699230,20cyclictest0-21swapper/210:40:112
301739699230,20cyclictest0-21swapper/209:05:122
3017392992319,2cyclictest3318212-21apt-get12:05:131
3017392992319,2cyclictest0-21swapper/109:15:121
301739299231,21cyclictest3777322-21systemd-journal08:50:001
301739299230,20cyclictest64-21kcompactd008:05:151
301739299230,20cyclictest0-21swapper/112:35:131
301739299230,20cyclictest0-21swapper/110:30:121
301739299230,20cyclictest0-21swapper/109:20:101
301739299230,19cyclictest3109302-21apt-get08:40:121
3017388992319,2cyclictest3190913-21apt-get10:00:120
301738899231,2cyclictest3272577-21apt-get11:20:120
301738899231,21cyclictest3119466-21apt-get08:50:130
301738899231,20cyclictest3328352-21apt-get12:15:080
301738899230,21cyclictest3777322-21systemd-journal07:45:230
301738899230,21cyclictest3255776-21taskset11:00:210
301738899230,21cyclictest0-21swapper/010:40:110
3017398992219,2cyclictest0-21swapper/312:05:133
3017398992219,2cyclictest0-21swapper/311:35:103
3017398992219,2cyclictest0-21swapper/310:00:113
3017398992219,2cyclictest0-21swapper/309:40:113
3017398992219,2cyclictest0-21swapper/309:15:123
3017398992219,2cyclictest0-21swapper/308:50:143
3017398992219,1cyclictest0-21swapper/309:45:113
3017398992218,2cyclictest3043364-21apt-get07:35:113
3017398992217,3cyclictest3094600-21sort08:25:173
3017398992216,1cyclictest191rcu_preempt08:20:003
301739899221,2cyclictest64-21kcompactd010:48:093
301739899221,2cyclictest3317933-21awk12:05:013
301739899220,2cyclictest0-21swapper/311:55:123
301739899220,2cyclictest0-21swapper/309:07:063
301739899220,21cyclictest3093352-21sshd08:20:233
3017396992218,2cyclictest3221886-21irqcore10:30:152
3017396992218,2cyclictest3048458-21apt-get07:40:112
301739699221,20cyclictest64-21kcompactd008:03:392
301739699221,1cyclictest0-21swapper/209:04:232
301739699221,1cyclictest0-21swapper/208:10:122
301739699220,19cyclictest0-21swapper/212:00:122
301739699220,19cyclictest0-21swapper/209:55:142
301739699220,19cyclictest0-21swapper/208:15:112
3017392992218,2cyclictest3242218-21tr10:50:161
3017392992218,2cyclictest0-21swapper/107:20:121
301739299221,2cyclictest3134657-21apt-get09:05:111
301739299221,20cyclictest3313141-21apt-get12:00:131
301739299221,20cyclictest0-21swapper/107:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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