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2026-05-23 - 00:36
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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 May 22, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2951555993633,2cyclictest3201262-21fwupd11:14:571
2951559993224,1cyclictest191rcu_preempt08:55:002
2951559993224,1cyclictest191rcu_preempt08:55:002
295155999300,21cyclictest191rcu_preempt09:35:182
2951559992721,4cyclictest3083975-21apt09:20:002
295155999262,2cyclictest3227340-21apt-get11:40:132
295155999262,2cyclictest3227340-21apt-get11:40:122
295155999262,22cyclictest2992294-21apt-get07:50:122
295155999261,23cyclictest3114321-21awk09:50:002
295155999261,22cyclictest3257890-21cron12:10:002
2951555992622,3cyclictest311ktimers/108:25:111
295155999251,22cyclictest2967000-21apt-get07:25:102
295155999250,19cyclictest191rcu_preempt07:15:142
295155599252,21cyclictest3084246-21apt-get09:20:101
295155399252,21cyclictest3074109-21apt-get09:10:120
295155399251,22cyclictest3145441-21tr10:20:150
295156399241,21cyclictest3165659-21apt-get10:40:133
2951559992420,2cyclictest3222270-21apt-get11:35:132
2951559992420,2cyclictest3089322-21apt-get09:25:112
295155999241,21cyclictest3211684-21apt-get11:25:112
295155999241,21cyclictest3170690-21apt-get10:45:112
295155999241,21cyclictest3139897-21apt-get10:15:112
295155999241,21cyclictest3017305-21cron08:14:592
295155599242,2cyclictest3258172-21apt-get12:10:121
2951555992421,2cyclictest3018007-21apt-get08:15:121
2951555992420,2cyclictest3053468-21apt-get08:50:121
2951555992420,2cyclictest3053468-21apt-get08:50:111
2951555992420,2cyclictest3002422-21apt-get08:00:121
2951553992418,4cyclictest3180152-21/usr/sbin/munin10:50:240
295155399241,21cyclictest3216528-21munin-run11:30:000
295155399240,23cyclictest3155589-21irqcore10:30:160
295155399240,21cyclictest0-21swapper/009:45:110
2951563992319,2cyclictest2960860-21ntpq07:15:223
2951559992321,1cyclictest391rcuc/207:55:192
2951559992320,2cyclictest3180575-21http10:55:002
2951559992318,3cyclictest514-21in:imuxsock11:04:592
2951559992318,3cyclictest3170411-21sh10:45:002
295155999231,21cyclictest64-21kcompactd011:32:452
295155999231,21cyclictest3201567-21apt-get11:15:112
295155999231,21cyclictest0-21swapper/212:30:112
2951555992319,2cyclictest3134843-21apt-get10:10:121
295155599231,2cyclictest3033243-21apt-get08:30:131
295155599231,21cyclictest3113401-21ntpq09:45:191
295155599231,20cyclictest2997369-21apt-get07:55:101
295155399232,20cyclictest3191422-21apt-get11:05:110
295155399232,20cyclictest3012532-21apt-get08:10:130
2951553992320,2cyclictest3217179-21apt-get11:30:120
2951553992320,2cyclictest2977088-21apt-get07:35:130
2951553992319,3cyclictest3023585-21ps08:20:170
2951553992319,2cyclictest3201470-21cat11:15:010
2951553992319,2cyclictest3150028-21apt-get10:25:110
2951553992319,2cyclictest3069053-21apt-get09:05:110
2951553992319,2cyclictest3048392-21apt-get08:45:110
2951553992319,2cyclictest2961948-21apt-get07:20:110
2951553992319,2cyclictest0-21swapper/010:35:170
2951553992317,4cyclictest3253586-21ps12:05:160
295155399231,2cyclictest3006320-21ntpq08:00:200
295155399231,2cyclictest2975897-21ntpq07:30:190
295155399230,21cyclictest3186834-21grep11:00:180
295156399221,1cyclictest3283943-21apt-get12:35:133
295156399221,1cyclictest0-21swapper/307:30:113
295156399220,3cyclictest3033734-21irqcore08:30:173
295156399220,2cyclictest3161097-21cut10:35:163
295156399220,21cyclictest3047426-21expr08:40:233
295156399220,19cyclictest0-21swapper/307:35:133
2951559992219,2cyclictest514-21in:imuxsock07:25:002
2951559992219,2cyclictest3181245-21apt-get10:55:112
2951559992219,2cyclictest2973006-21kthreadcore07:30:172
2951559992219,2cyclictest0-21swapper/211:50:122
2951559992219,2cyclictest0-21swapper/210:05:202
295155999221,20cyclictest0-21swapper/211:20:112
295155999221,20cyclictest0-21swapper/208:55:122
295155999221,20cyclictest0-21swapper/207:48:022
295155999220,2cyclictest391rcuc/212:15:122
295155999220,21cyclictest0-21swapper/207:10:122
295155999220,20cyclictest3273357-21apt-get12:25:122
295155999220,20cyclictest3028164-21apt-get08:25:112
295155999220,1cyclictest3104472-21apt-get09:40:112
2951555992220,1cyclictest3023088-21apt-get08:20:121
2951555992219,2cyclictest0-21swapper/108:15:001
2951555992219,1cyclictest3170690-21apt-get10:45:101
2951555992219,1cyclictest3129808-21apt-get10:05:111
2951555992218,3cyclictest702-21runrttasks10:00:101
2951555992218,3cyclictest3159956-21apt-config10:34:591
2951555992218,2cyclictest3268310-21apt-get12:20:111
295155599221,2cyclictest0-21swapper/107:40:151
295155599221,20cyclictest2992294-21apt-get07:50:111
295155599220,2cyclictest3777322-21systemd-journal09:30:011
295155599220,2cyclictest3216473-21cron11:30:001
295155599220,21cyclictest3273846-21irqcore12:25:161
295155599220,19cyclictest0-21swapper/109:15:111
2951553992219,2cyclictest3099431-21apt-get09:35:110
2951553992219,2cyclictest0-21swapper/010:55:110
2951553992218,2cyclictest2987195-21apt-get07:45:120
295155399221,2cyclictest3237224-21gpgv11:49:590
295155399221,2cyclictest3079185-21apt-get09:15:110
295155399221,20cyclictest0-21swapper/012:20:110
295155399221,1cyclictest0-21swapper/008:55:110
295155399220,21cyclictest3252813-21cron12:04:590
295155399220,21cyclictest3094862-21grep09:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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