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2026-07-10 - 08:34
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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 Fri Jul 10, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3181812993936,2cyclictest3191779-21fwupd19:18:303
318180799311,20cyclictest191rcu_preempt00:30:172
3181802993129,1cyclictest3128784-21kworker/0:2+pm19:18:320
318181299281,6cyclictest3222351-21cron19:49:593
318180299281,26cyclictest3395729-21sh22:39:590
318181299271,22cyclictest3421681-21apt-get23:05:133
318181299262,21cyclictest3375741-21apt-get22:20:143
318181299261,3cyclictest3222630-21apt-get19:50:113
318181299261,21cyclictest0-21swapper/323:15:133
318180299262,22cyclictest3192186-21apt-get19:20:110
318180299260,23cyclictest3421441-21systemctl23:05:000
3181812992520,3cyclictest3345255-21apt-get21:50:123
318181299251,3cyclictest3319945-21seq21:25:143
318181299251,21cyclictest3350332-21apt-get21:55:143
318181299251,21cyclictest0-21swapper/320:55:123
318181299251,20cyclictest3360507-21apt-get22:05:123
318181299250,23cyclictest3370382-21cron22:15:003
318181299250,21cyclictest0-21swapper/300:35:123
318180799252,20cyclictest3304671-21apt-get21:10:112
318180799251,21cyclictest3258560-21apt-get20:25:132
318180799251,21cyclictest3258560-21apt-get20:25:132
318180799251,20cyclictest3468011-21apt-get23:50:122
318180499251,21cyclictest3355430-21apt-get22:00:121
318180499251,21cyclictest3202391-21apt-get19:30:121
318180499251,20cyclictest3248419-21apt-get20:15:111
3181812992418,4cyclictest3467734-21cron23:50:003
3181812992418,4cyclictest3253979-21irqcore20:20:153
318181299241,20cyclictest3294509-21apt-get21:00:113
318181299241,20cyclictest0-21swapper/322:30:133
318181299240,21cyclictest0-21swapper/323:30:113
318180799241,20cyclictest3478100-21apt-get00:00:132
318180799241,20cyclictest0-21swapper/220:45:102
318180499242,2cyclictest3340223-21apt-get21:45:111
3181804992419,2cyclictest3427178-21apt-get23:10:111
318180499241,3cyclictest3447772-21apt-get23:30:121
318180499241,21cyclictest3238282-21apt-get20:05:111
318180499241,20cyclictest3335194-21apt-get21:40:131
318180499241,20cyclictest3289417-21apt-get20:55:121
318180499241,20cyclictest0-21swapper/120:25:131
318180499241,20cyclictest0-21swapper/120:25:121
318180499240,20cyclictest0-21swapper/100:35:121
3181802992420,2cyclictest3437265-21apt-get23:20:110
3181802992420,2cyclictest3396424-21apt-get22:40:130
318180299241,2cyclictest3253490-21apt-get20:20:110
3181812992320,2cyclictest3212507-21apt-get19:40:123
3181812992319,3cyclictest3395732-21apt-get22:40:023
3181812992319,2cyclictest3488231-21apt-get00:10:133
3181812992319,2cyclictest0-21swapper/320:15:113
318181299231,3cyclictest3197304-21apt-get19:25:133
318181299231,2cyclictest0-21swapper/321:10:113
318181299231,20cyclictest3240519-21sort20:05:173
318181299230,20cyclictest3330092-21apt21:35:123
318181299230,20cyclictest0-21swapper/320:25:133
318181299230,20cyclictest0-21swapper/320:25:123
3181807992317,4cyclictest3431952-21cron23:15:002
318180799231,2cyclictest3452827-21apt-get23:35:132
318180799231,2cyclictest3354271-21ntpq21:55:232
318180799231,20cyclictest3284348-21apt-get20:50:132
318180799231,20cyclictest0-21swapper/219:20:112
318180799230,4cyclictest3498845-21irqcore00:20:172
318180799230,22cyclictest3426516-21gpgv23:10:012
318180799230,20cyclictest3268543-21turbostat20:35:002
318180799230,19cyclictest0-21swapper/219:30:112
3181804992319,2cyclictest3411597-21apt-get22:55:151
3181804992319,2cyclictest3228120-21apt-get19:55:101
318180499231,2cyclictest3380816-21apt-get22:25:131
318180499231,2cyclictest3309746-21apt-get21:15:151
318180499231,2cyclictest3263675-21apt-get20:30:121
318180499231,2cyclictest3207438-21apt-get19:35:121
318180499231,19cyclictest3503442-21apt-get00:25:151
318180499230,21cyclictest3319667-21ls21:25:001
3181802992319,2cyclictest3370665-21apt-get22:15:170
3181802992319,2cyclictest3273834-21apt-get20:40:110
3181802992319,2cyclictest0-21swapper/022:00:120
318180299231,21cyclictest0-21swapper/021:11:320
318180299230,3cyclictest3483643-21grep00:05:180
3181812992219,2cyclictest64-21kcompactd020:48:573
3181812992219,2cyclictest0-21swapper/322:15:163
3181812992219,2cyclictest0-21swapper/321:45:233
3181812992219,2cyclictest0-21swapper/321:15:153
3181812992219,2cyclictest0-21swapper/319:36:543
3181812992218,3cyclictest3503925-21irqcore00:25:193
3181812992218,2cyclictest0-21swapper/322:35:113
3181812992217,2cyclictest0-21swapper/300:00:133
318181299221,2cyclictest0-21swapper/322:55:503
318181299221,2cyclictest0-21swapper/320:30:123
318181299221,20cyclictest0-21swapper/300:30:213
318181299221,1cyclictest0-21swapper/322:45:123
318181299221,1cyclictest0-21swapper/320:00:123
318181299220,21cyclictest3228612-21irqcore19:55:153
318181299220,21cyclictest0-21swapper/320:50:123
318181299220,20cyclictest0-21swapper/323:50:123
318181299220,20cyclictest0-21swapper/321:40:133
318181299220,1cyclictest3442719-21apt-get23:25:123
3181807992219,2cyclictest3355436-21cpu22:00:112
318180799220,3cyclictest3458403-21tr23:40:172
318180799220,20cyclictest3294262-21awk21:00:012
318180799220,20cyclictest3248141-21cron20:15:012
318180799220,19cyclictest64-21kcompactd020:15:052
318180799220,19cyclictest3483638-21ps00:05:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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