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2026-05-22 - 22:10
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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 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
2951563992119,1cyclictest3058966-21apt-get08:55:123
2951563992119,1cyclictest0-21swapper/311:35:123
2951563992119,1cyclictest0-21swapper/310:55:123
2951563992119,1cyclictest0-21swapper/308:05:133
2951563992118,2cyclictest3043058-21cron08:39:593
2951563992118,2cyclictest2986970-21kworker/3:0+events_freezable_power_10:15:163
2951563992118,2cyclictest0-21swapper/307:55:113
2951563992118,1cyclictest3028164-21apt-get08:25:113
295156399211,2cyclictest3089042-21cron09:25:013
295156399211,19cyclictest0-21swapper/307:50:113
295156399211,18cyclictest0-21swapper/308:20:123
295156399210,2cyclictest64-21kcompactd010:31:593
295156399210,20cyclictest64-21kcompactd012:30:493
295156399210,20cyclictest3248012-21apt-get12:00:123
295156399210,20cyclictest3148640-21runrttasks10:20:183
295156399210,20cyclictest3109265-21munin-run09:45:003
295156399210,20cyclictest0-21swapper/312:10:113
295156399210,20cyclictest0-21swapper/309:00:113
295156399210,20cyclictest0-21swapper/309:00:113
295156399210,20cyclictest0-21swapper/307:25:103
295156399210,1cyclictest0-21swapper/311:40:133
295156399210,1cyclictest0-21swapper/311:40:123
2951559992119,1cyclictest3242944-21apt-get11:55:132
2951559992119,1cyclictest0-21swapper/209:50:122
2951559992119,1cyclictest0-21swapper/209:10:202
2951559992118,2cyclictest3068781-21idleruntime-cro09:05:002
2951559992118,2cyclictest3068781-21idleruntime-cro09:05:002
2951559992117,2cyclictest3155106-21apt-get10:30:122
295155999210,2cyclictest0-21swapper/211:10:112
295155999210,20cyclictest64-21kcompactd007:38:202
295155999210,20cyclictest0-21swapper/209:55:262
295155999210,1cyclictest0-21swapper/208:02:332
295155999210,19cyclictest0-21swapper/209:05:132
2951555992119,1cyclictest3123631-21runrttasks09:55:221
2951555992119,1cyclictest0-21swapper/109:05:181
295155599210,20cyclictest64-21kcompactd010:41:081
295155599210,20cyclictest64-21kcompactd010:19:371
295155599210,19cyclictest0-21swapper/107:30:121
295155599210,18cyclictest0-21swapper/107:45:131
2951553992118,2cyclictest0-21swapper/012:15:100
2951553992118,2cyclictest0-21swapper/010:05:110
2951553992113,6cyclictest3237855-21sshd11:50:030
295155399211,1cyclictest0-21swapper/009:58:080
295155399210,3cyclictest3206388-21awk11:20:000
295155399210,20cyclictest0-21swapper/012:25:110
295155399210,20cyclictest0-21swapper/011:55:130
295155399210,20cyclictest0-21swapper/011:40:140
295155399210,20cyclictest0-21swapper/011:40:140
295155399210,20cyclictest0-21swapper/009:25:520
295155399210,20cyclictest0-21swapper/008:40:120
295155399210,1cyclictest0-21swapper/009:40:120
2951563992018,1cyclictest3206367-21cron11:19:593
2951563992018,1cyclictest3180684-21latency_hist10:55:003
2951563992018,1cyclictest3113429-21ntpq09:45:203
2951563992018,1cyclictest3058284-21munin-run08:55:003
2951563992018,1cyclictest3058284-21munin-run08:55:003
2951563992018,1cyclictest2986918-21ls07:45:003
2951563992018,1cyclictest0-21swapper/310:12:063
295156399200,1cyclictest0-21swapper/311:33:493
295156399200,1cyclictest0-21swapper/309:55:113
295156399200,1cyclictest0-21swapper/309:50:123
295156399200,1cyclictest0-21swapper/307:20:113
295156399200,19cyclictest0-21swapper/312:20:113
295156399200,19cyclictest0-21swapper/309:25:103
2951559992018,1cyclictest0-21swapper/212:10:122
2951559992018,1cyclictest0-21swapper/208:05:132
2951559992017,2cyclictest0-21swapper/210:35:132
2951559992017,2cyclictest0-21swapper/210:10:222
2951559992017,1cyclictest0-21swapper/208:20:122
295155999200,1cyclictest0-21swapper/212:20:112
295155999200,1cyclictest0-21swapper/208:45:122
295155999200,1cyclictest0-21swapper/208:30:132
295155999200,19cyclictest0-21swapper/210:25:152
295155999200,19cyclictest0-21swapper/210:20:122
2951555992018,1cyclictest3237857-21modprobe11:50:031
2951555992018,1cyclictest0-21swapper/112:30:201
2951555992018,1cyclictest0-21swapper/112:15:101
2951555992018,1cyclictest0-21swapper/112:00:131
2951555992018,1cyclictest0-21swapper/111:15:121
2951555992018,1cyclictest0-21swapper/109:35:121
295155599200,2cyclictest2971781-21awk07:30:001
295155599200,20cyclictest64-21kcompactd008:38:011
295155599200,1cyclictest0-21swapper/112:35:131
295155599200,1cyclictest0-21swapper/111:42:581
295155599200,1cyclictest0-21swapper/111:42:581
295155599200,1cyclictest0-21swapper/110:55:111
295155599200,1cyclictest0-21swapper/110:35:461
295155599200,1cyclictest0-21swapper/109:00:361
295155599200,1cyclictest0-21swapper/109:00:351
295155599200,1cyclictest0-21swapper/108:48:151
295155599200,1cyclictest0-21swapper/108:42:191
295155599200,19cyclictest64-21kcompactd007:23:501
295155599200,19cyclictest0-21swapper/107:15:141
2951553992018,1cyclictest3067891-21ntpq09:00:210
2951553992018,1cyclictest3067891-21ntpq09:00:200
2951553992017,2cyclictest3007457-21apt-get08:05:130
2951553992016,3cyclictest3278426-21apt-get12:30:100
2951553992016,2cyclictest2982117-21apt-get07:40:110
295155399201,19cyclictest0-21swapper/007:10:120
295155399201,18cyclictest3020236-21ps08:15:160
295155399200,1cyclictest0-21swapper/007:15:120
295155399200,19cyclictest3084741-21ps09:20:140
295155399200,19cyclictest0-21swapper/008:27:160
2951563991917,1cyclictest0-21swapper/310:00:103
2951563991917,1cyclictest0-21swapper/309:15:113
2951563991917,1cyclictest0-21swapper/309:11:213
295156399190,1cyclictest0-21swapper/311:45:113
2951559991917,1cyclictest0-21swapper/212:00:122
2951559991917,1cyclictest0-21swapper/209:22:392
2951559991914,3cyclictest0-21swapper/208:15:192
295155999190,18cyclictest3232405-21apt-get11:45:112
2951555991917,1cyclictest3007457-21apt-get08:05:131
2951555991917,1cyclictest0-21swapper/111:55:131
2951555991917,1cyclictest0-21swapper/110:20:121
2951555991917,1cyclictest0-21swapper/109:40:121
2951555991916,2cyclictest64-21kcompactd010:52:251
2951555991916,2cyclictest3099158-21idleruntime-cro09:35:001
2951553991918,1cyclictest0-21swapper/008:35:200
2951553991917,1cyclictest0-21swapper/010:00:190
2951553991917,1cyclictest0-21swapper/007:50:110
2951553991915,3cyclictest3170436-21idleruntime-cro10:45:000
2951553991915,2cyclictest3114580-21apt-get09:50:110
2951563991817,1cyclictest0-21swapper/310:47:343
2951563991815,2cyclictest3273856-21irqcore12:25:163
2951563991814,3cyclictest3150031-21taskset10:25:103
2951559991816,1cyclictest3283943-21apt-get12:35:122
2951559991814,3cyclictest0-21swapper/208:35:132
2951559991814,2cyclictest0-21swapper/208:40:122
2951559991812,2cyclictest191rcu_preempt10:00:222
2951555991816,1cyclictest0-21swapper/111:30:131
2951555991815,2cyclictest0-21swapper/109:50:121
295155599180,1cyclictest0-21swapper/111:35:121
2951553991816,1cyclictest0-21swapper/010:15:200
2951553991816,1cyclictest0-21swapper/008:50:120
2951553991816,1cyclictest0-21swapper/008:50:110
2951553991814,2cyclictest3206638-21apt-get11:20:110
2951563991715,1cyclictest3247759-21systemd-run11:59:593
2951563991715,1cyclictest3006301-21ntpq08:00:213
2951563991715,1cyclictest0-21swapper/310:06:123
2951563991714,2cyclictest3193653-21kthreadcore11:05:183
2951563991714,2cyclictest2986970-21kworker/3:0+events_freezable_power_11:21:113
2951563991714,2cyclictest2986970-21kworker/3:0+events_freezable_power_11:10:123
2951563991712,3cyclictest3263560-21grep12:15:143
295156399170,2cyclictest3186347-21apt-get11:00:133
2951555991714,2cyclictest3186724-21gltestperf11:00:161
2951553991714,2cyclictest61650irq/133-enp0s29f1:rx-007:28:560
2951563991614,1cyclictest3242670-21sh11:55:003
2951563991614,1cyclictest0-21swapper/307:45:213
2951563991613,2cyclictest3242691-21kworker/3:1+events_freezable_power_12:05:073
2951563991613,2cyclictest2986970-21kworker/3:0+events_freezable_power_08:47:263
2951559991614,1cyclictest0-21swapper/209:30:102
2951559991611,2cyclictest191rcu_preempt07:40:112
2951555991614,1cyclictest0-21swapper/111:05:111
2951555991613,2cyclictest3206779-21cpuspeed_turbos11:20:111
2951555991613,2cyclictest0-21swapper/108:55:121
2951553991614,2cyclictest0-21swapper/012:10:120
2951553991613,2cyclictest0-21swapper/007:55:110
2951563991513,2cyclictest2986970-21kworker/3:0+events_freezable_power_09:31:213
2951563991512,2cyclictest2986970-21kworker/3:0+events_freezable_power_08:14:283
2951563991511,2cyclictest0-21swapper/308:15:243
2951555991512,2cyclictest64-21kcompactd012:09:191
2951555991511,3cyclictest2956574-21cron07:15:001
2951553991510,4cyclictest3139616-21cron10:15:010
295156399149,3cyclictest2951773-21seq07:10:123
295156399144,9cyclictest0-21swapper/309:05:143
2951563991412,1cyclictest0-21swapper/311:30:003
295155599140,4cyclictest3150165-21cpuspeed_turbos10:25:111
2951553991411,2cyclictest61650irq/133-enp0s29f1:rx-008:34:200
2951553991410,3cyclictest61650irq/133-enp0s29f1:rx-011:35:200
2951559991311,1cyclictest0-21swapper/211:10:002
295155599139,2cyclictest0-21swapper/107:35:141
295156399129,2cyclictest0-21swapper/309:35:203
295155399128,3cyclictest61650irq/133-enp0s29f1:rx-010:45:180
295155999110,10cyclictest2951641-21cat07:10:012
295155599114,5cyclictest3777322-21systemd-journal09:15:011
295155599111,8cyclictest2951475-21latency_hist07:10:001
295155599110,3cyclictest3236723-21sed11:45:241
295155399110,9cyclictest2951609-21cat07:10:010
29515639997,1cyclictest0-21swapper/307:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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