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2026-03-25 - 19:39
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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 Wed Mar 25, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2756946993418,14cyclictest0-21swapper/008:50:010
275694699341,3cyclictest261-21systemd-journal08:39:590
2756946993318,6cyclictest3042344-21ps11:50:160
275694699330,4cyclictest2980379-21idleruntime-cro10:50:000
275694699311,28cyclictest2798137-21apt-get07:50:130
275694699301,3cyclictest2920357-21tr09:50:160
275694699300,4cyclictest2793571-21sed07:45:160
275694699300,2cyclictest2878713-21cron09:10:000
2756946992916,11cyclictest2777197-21munin-run07:29:590
275694699290,2cyclictest0-21swapper/007:10:110
2756946992718,8cyclictest261-21systemd-journal12:05:000
275694699271,25cyclictest0-21swapper/008:06:500
275695499261,21cyclictest3067140-21apt-get12:15:113
2756951992618,2cyclictest191rcu_preempt07:30:002
275695199260,2cyclictest191rcu_preempt12:10:012
275694899264,20cyclictest3041595-21cron11:50:001
2756948992621,3cyclictest3082750-21apt-get12:30:111
275694899261,22cyclictest2828465-21taskset08:20:131
275694899260,24cyclictest3067143-21taskset12:15:111
2756946992618,7cyclictest0-21swapper/011:55:120
275694699261,20cyclictest0-21swapper/010:35:120
275694699260,19cyclictest2791939-21ntpq07:40:200
275695499252,20cyclictest2914815-21apt-get09:45:123
275695199251,20cyclictest0-21swapper/212:25:122
2756948992521,2cyclictest2808243-21apt-get08:00:121
2756948992520,3cyclictest2960433-21apt-get10:30:101
2756948992520,3cyclictest2904730-21apt-get09:35:111
275694899251,21cyclictest3057020-21apt-get12:05:111
275694899251,21cyclictest3041862-21apt-get11:50:121
275694899251,20cyclictest2884068-21apt-get09:15:121
275694899251,20cyclictest0-21swapper/108:55:111
2756946992518,5cyclictest2767837-21ps07:20:160
275694699251,23cyclictest0-21swapper/012:30:110
275694699250,23cyclictest2995566-21idleruntime-cro11:05:000
2756954992421,2cyclictest2894174-21apt-get09:25:123
2756954992420,2cyclictest3026700-21apt-get11:35:113
2756954992420,2cyclictest2884068-21apt-get09:15:123
2756954992420,2cyclictest0-21swapper/308:50:013
275695499241,3cyclictest3021645-21apt-get11:30:113
275695499241,20cyclictest2975596-21apt-get10:45:113
275695499241,20cyclictest2848640-21apt-get08:40:123
275695499241,20cyclictest2818351-21apt-get08:10:133
275695499241,20cyclictest2777877-21apt-get07:30:123
275695499240,21cyclictest3037290-21irqcore11:45:163
275695499240,21cyclictest0-21swapper/307:15:143
275695199242,20cyclictest2858750-21apt-get08:50:132
2756951992420,2cyclictest2843608-21apt-get08:35:112
275695199241,21cyclictest2940149-21apt-get10:10:112
275695199241,21cyclictest2803189-21apt-get07:55:112
275695199241,20cyclictest2945228-21apt-get10:15:132
2756948992420,2cyclictest2970542-21apt-get10:40:111
2756948992419,3cyclictest2898957-21idleruntime-cro09:30:011
275694899241,20cyclictest3000887-21apt-get11:10:121
275694899241,20cyclictest0-21swapper/107:45:121
275694899241,19cyclictest0-21swapper/107:55:111
275694899240,22cyclictest3026703-21chrt11:35:101
275694899240,21cyclictest2869353-21sort09:00:171
275694899240,20cyclictest0-21swapper/111:05:111
2756946992417,6cyclictest2998049-21ps11:05:160
2756946992416,7cyclictest2873644-21awk09:05:010
275694699240,23cyclictest0-21swapper/011:15:120
275695499231,2cyclictest3072197-21apt-get12:20:133
275695499231,21cyclictest3060957-21sshd12:05:203
275695499231,20cyclictest2935051-21apt-get10:05:113
275695499230,3cyclictest2929697-21cron10:00:003
275695499230,20cyclictest0-21swapper/311:40:103
275695199232,2cyclictest2899230-21apt-get09:30:132
275695199230,21cyclictest2933918-21sshd10:00:202
2756948992319,2cyclictest2965513-21apt-get10:35:121
2756948992319,2cyclictest0-21swapper/107:30:121
275694899231,2cyclictest2878994-21apt-get09:10:131
275694899231,2cyclictest0-21swapper/107:40:111
275694899231,21cyclictest0-21swapper/112:38:191
275694899231,20cyclictest3036532-21cron11:45:001
275694899231,20cyclictest2904400-21apt-config09:35:011
275694899230,22cyclictest3015546-21/usr/sbin/munin11:20:211
275694899230,22cyclictest1-21systemd07:24:591
275694899230,21cyclictest0-21swapper/110:00:121
275694899230,20cyclictest0-21swapper/112:00:101
275694899230,20cyclictest0-21swapper/110:45:111
275694899230,20cyclictest0-21swapper/110:05:121
2756946992318,4cyclictest0-21swapper/010:30:090
2756946992314,8cyclictest61650irq/133-enp0s29f1:rx-011:45:120
2756946992313,9cyclictest2807493-21unixbench_multi07:55:230
275694699231,21cyclictest2850855-21ps08:40:170
275694699231,21cyclictest2781749-21ntpq07:30:200
2756954992218,3cyclictest2924664-21dump-pmu-power09:54:593
2756954992218,2cyclictest2828462-21apt-get08:20:143
2756954992217,3cyclictest2930766-21cut10:00:163
275695499221,2cyclictest0-21swapper/310:40:113
275695499221,20cyclictest0-21swapper/309:03:173
275695499221,1cyclictest0-21swapper/311:50:123
275695499220,3cyclictest3011408-21apt-get11:20:023
275695499220,21cyclictest2860977-21ps08:50:183
275695499220,20cyclictest2904404-21latency_hist09:35:013
275695199221,20cyclictest3011926-21ps11:20:152
275695199220,3cyclictest2981596-21ps10:50:162
275695199220,2cyclictest261-21systemd-journal08:14:592
2756948992219,1cyclictest0-21swapper/112:20:121
2756948992218,2cyclictest64-21kcompactd011:30:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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