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2026-08-08 - 16:23
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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 Sat Aug 08, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2920420993127,2cyclictest0-21swapper/308:35:173
2920410992923,4cyclictest2991904-21grep08:20:150
292041399271,23cyclictest2986611-21apt-get08:15:141
292042099262,21cyclictest3170051-21apt-get11:15:143
2920410992623,2cyclictest3159243-21/usr/sbin/munin11:05:000
2920410992620,3cyclictest3022123-21apt-get08:50:120
292041099261,5cyclictest3006610-21cron08:35:000
292041099260,1cyclictest0-21swapper/012:10:130
2920420992520,3cyclictest2966352-21apt-get07:55:123
292042099251,21cyclictest2920634-21apt-get07:10:123
2920418992521,2cyclictest3011956-21apt-get08:40:112
292041899251,23cyclictest2927975-21sort07:15:182
292041899251,21cyclictest3083369-21apt-get09:50:132
292041899251,20cyclictest3042859-21apt-get09:10:132
292041399251,21cyclictest3154417-21apt-get11:00:131
292041399251,21cyclictest3134116-21apt-get10:40:121
292041399251,21cyclictest3108767-21apt-get10:15:161
292041099252,2cyclictest3073256-21apt-get09:40:140
292041099252,21cyclictest3226001-21apt-get12:08:480
2920410992520,3cyclictest3180189-21apt-get11:25:120
2920410992520,3cyclictest3032737-21apt-get09:00:130
2920410992519,4cyclictest2996773-21apt-get08:25:120
292041099251,4cyclictest3257106-21apt-config12:40:000
292041099251,3cyclictest3149349-21apt-get10:55:140
292041099251,3cyclictest2951125-21apt-get07:40:150
2920420992420,2cyclictest3190408-21apt-get11:35:133
2920420992420,2cyclictest3093554-21apt-get10:00:113
2920420992418,4cyclictest3057814-21apt09:25:003
2920418992419,4cyclictest3256996-21idleruntime-cro12:40:002
292041899241,20cyclictest2971403-21seq08:00:122
292041899241,20cyclictest0-21swapper/207:30:132
2920413992418,4cyclictest3221012-21cron12:04:591
292041399241,20cyclictest3200593-21apt-get11:45:131
2920410992420,3cyclictest2940962-21apt-get07:30:130
2920410992419,3cyclictest3139188-21apt-get10:45:130
292041099241,3cyclictest3118888-21apt-get10:25:140
292041099241,3cyclictest3118888-21apt-get10:25:130
292041099241,3cyclictest2936405-21sort07:25:170
292041099241,2cyclictest0-21swapper/012:30:120
292041099241,21cyclictest0-21swapper/011:15:130
292041099241,21cyclictest0-21swapper/010:15:150
292041099241,21cyclictest0-21swapper/008:15:130
292041099241,20cyclictest3058067-21apt-get09:25:100
292041099240,22cyclictest702-21runrttasks09:35:220
292042099231,2cyclictest3047928-21apt-get09:15:113
292042099230,3cyclictest3088931-21irqcore09:55:163
292042099230,20cyclictest516-21rs:main3
292042099230,20cyclictest0-21swapper/310:15:163
292042099230,20cyclictest0-21swapper/309:05:133
292042099230,1cyclictest0-21swapper/312:01:483
292042099230,19cyclictest0-21swapper/308:15:143
2920418992319,2cyclictest3017031-21apt-get08:45:122
292041899231,20cyclictest0-21swapper/207:10:122
292041899230,4cyclictest3007377-21grep08:35:172
292041899230,20cyclictest0-21swapper/210:55:142
292041899230,20cyclictest0-21swapper/210:20:132
292041899230,20cyclictest0-21swapper/209:55:112
292041899230,20cyclictest0-21swapper/207:50:112
2920413992320,1cyclictest3231506-21apt-get12:15:131
2920413992319,2cyclictest3053001-21apt-get09:20:131
292041399231,21cyclictest3122858-21ntpq10:25:231
292041399231,21cyclictest3122858-21ntpq10:25:221
292041399231,21cyclictest2925750-21apt-get07:15:121
292041399230,4cyclictest3033224-21grep09:00:171
292041399230,21cyclictest3777322-21systemd-journal07:40:001
292041399230,20cyclictest0-21swapper/110:10:121
292041399230,20cyclictest0-21swapper/110:00:101
292041399230,20cyclictest0-21swapper/109:35:131
292041399230,20cyclictest0-21swapper/108:00:121
292041099232,20cyclictest171ktimers/011:10:130
2920410992319,2cyclictest3088440-21apt-get09:55:120
2920410992319,2cyclictest2975347-21ntpq08:00:220
2920410992318,3cyclictest2981247-21cron08:10:010
292041099231,21cyclictest3231655-21/usr/sbin/munin12:15:140
292041099231,21cyclictest3108484-21cron10:15:000
292041099231,21cyclictest171ktimers/008:35:130
292041099231,21cyclictest0-21swapper/012:20:140
292041099231,21cyclictest0-21swapper/009:20:140
292041099231,20cyclictest0-21swapper/007:45:120
292041099231,20cyclictest0-21swapper/007:45:120
292041099230,22cyclictest3198173-21kthreadcore11:40:180
292041099230,22cyclictest3032095-21dpkg09:00:000
292041099230,21cyclictest0-21swapper/008:45:120
2920420992219,1cyclictest0-21swapper/308:05:123
2920420992218,2cyclictest3088162-21cron09:55:003
2920420992217,3cyclictest3123980-21apt-get10:30:133
292042099220,3cyclictest3871586-21snmpd12:29:593
292042099220,19cyclictest3078045-21cron09:44:593
292042099220,19cyclictest0-21swapper/309:10:133
292042099220,19cyclictest0-21swapper/308:45:123
2920418992220,1cyclictest0-21swapper/207:58:482
2920418992219,2cyclictest3205664-21apt-get11:50:132
2920418992219,2cyclictest0-21swapper/208:50:132
292041899221,20cyclictest3210710-21apt-get11:55:132
292041899221,20cyclictest0-21swapper/208:30:122
292041899220,20cyclictest3062865-21ls09:29:592
292041899220,19cyclictest0-21swapper/211:10:122
292041899220,19cyclictest0-21swapper/209:40:132
2920413992219,2cyclictest3129566-21irqcore10:35:191
2920413992219,2cyclictest2981518-21apt-get08:10:131
2920413992219,1cyclictest0-21swapper/107:55:121
2920413992218,2cyclictest3252191-21seq12:35:141
292041399220,20cyclictest0-21swapper/110:30:131
292041399220,19cyclictest3078321-21apt-get09:45:111
292041399220,19cyclictest0-21swapper/111:35:131
292041399220,19cyclictest0-21swapper/110:55:141
292041399220,19cyclictest0-21swapper/110:45:141
292041399220,19cyclictest0-21swapper/109:40:141
2920410992219,2cyclictest3216203-21apt-get12:00:130
2920410992219,2cyclictest3129073-21apt-get10:35:150
2920410992219,2cyclictest0-21swapper/007:35:090
2920410992219,1cyclictest0-21swapper/010:30:120
2920410992218,2cyclictest3113817-21apt-get10:20:120
292041099221,20cyclictest0-21swapper/011:55:140
292041099221,20cyclictest0-21swapper/011:45:070
292041099221,20cyclictest0-21swapper/011:30:130
292041099221,1cyclictest0-21swapper/008:40:110
292041099221,19cyclictest0-21swapper/009:15:110
292041099220,21cyclictest211rcuc/011:05:030
292041099220,21cyclictest0-21swapper/009:06:330
2920420992119,1cyclictest0-21swapper/311:00:143
2920420992119,1cyclictest0-21swapper/310:35:143
2920420992119,1cyclictest0-21swapper/310:10:113
2920420992118,2cyclictest3777322-21systemd-journal07:30:003
2920420992118,1cyclictest2971400-21apt-get08:00:123
292042099210,20cyclictest2985831-21grep08:10:263
292042099210,1cyclictest0-21swapper/311:45:133
292042099210,1cyclictest0-21swapper/311:25:123
2920418992119,1cyclictest3113566-21idleruntime-cro10:19:592
2920418992119,1cyclictest0-21swapper/212:05:142
2920418992119,1cyclictest0-21swapper/211:45:242
2920418992119,1cyclictest0-21swapper/211:30:142
2920418992119,1cyclictest0-21swapper/207:40:142
2920418992117,2cyclictest3139188-21apt-get10:45:152
292041899211,19cyclictest0-21swapper/209:24:502
292041899210,2cyclictest3159371-21latency_hist11:05:012
292041899210,2cyclictest3072980-21ls09:40:002
292041899210,2cyclictest1-21systemd10:55:012
292041899210,20cyclictest64-21kcompactd010:01:222
292041899210,19cyclictest0-21swapper/212:25:142
292041899210,18cyclictest0-21swapper/210:30:132
2920413992119,1cyclictest0-21swapper/111:55:141
2920413992119,1cyclictest0-21swapper/108:20:131
2920413992119,1cyclictest0-21swapper/107:20:131
2920413992118,2cyclictest64-21kcompactd011:30:051
2920413992118,2cyclictest3164736-21latency_hist11:10:011
2920413992118,2cyclictest301rcuc/108:40:011
2920413992118,1cyclictest3226135-21sh12:10:001
2920413992118,1cyclictest0-21swapper/110:20:131
2920413992118,1cyclictest0-21swapper/109:25:101
2920413992117,3cyclictest3021872-21cut08:50:001
2920413992117,2cyclictest3001842-21apt-get08:30:121
292041399211,1cyclictest0-21swapper/109:05:141
292041399210,3cyclictest3090685-21ps09:55:181
292041399210,1cyclictest0-21swapper/112:30:001
292041399210,18cyclictest0-21swapper/108:05:131
292041099212,18cyclictest3241671-21apt-get12:25:140
2920410992118,2cyclictest3083369-21apt-get09:50:120
2920410992118,2cyclictest0-21swapper/011:35:130
2920410992117,2cyclictest0-21swapper/007:15:130
292041099210,20cyclictest0-21swapper/007:55:120
292041099210,20cyclictest0-21swapper/007:10:130
292041099210,19cyclictest0-21swapper/007:50:120
2920420992018,1cyclictest3251903-21sh12:35:003
2920420992018,1cyclictest0-21swapper/310:45:143
2920420992017,2cyclictest3067932-21cron09:34:593
2920420992017,2cyclictest2941463-21irqcore07:30:173
2920420992017,2cyclictest0-21swapper/311:55:133
2920420992017,2cyclictest0-21swapper/310:25:003
2920420992017,1cyclictest0-21swapper/310:40:123
2920420992016,2cyclictest3226134-21cron12:10:003
292042099200,2cyclictest3179906-21cron11:25:013
292042099200,1cyclictest3062861-21cron09:29:593
292042099200,1cyclictest0-21swapper/312:35:143
292042099200,1cyclictest0-21swapper/312:10:113
292042099200,1cyclictest0-21swapper/308:55:133
292042099200,1cyclictest0-21swapper/308:40:113
292042099200,19cyclictest2950845-21cron07:40:003
2920418992018,1cyclictest3247140-21apt-get12:30:122
2920418992018,1cyclictest3134607-21irqcore10:40:162
2920418992018,1cyclictest0-21swapper/211:35:132
2920418992017,2cyclictest2986361-21awk08:15:002
2920418992017,1cyclictest0-21swapper/211:25:122
2920418992017,1cyclictest0-21swapper/208:20:122
2920418992016,2cyclictest3236580-21apt-get12:20:152
292041899200,1cyclictest0-21swapper/212:13:052
292041899200,1cyclictest0-21swapper/209:15:112
292041899200,19cyclictest0-21swapper/211:40:492
292041899200,19cyclictest0-21swapper/207:38:222
2920413992018,1cyclictest0-21swapper/108:50:131
2920413992017,2cyclictest64-21kcompactd009:54:561
292041399200,1cyclictest64-21kcompactd007:12:021
292041399200,1cyclictest2940719-21systemd-run07:30:001
292041399200,1cyclictest0-21swapper/112:24:551
292041399200,1cyclictest0-21swapper/110:55:011
292041399200,1cyclictest0-21swapper/109:10:131
292041399200,1cyclictest0-21swapper/107:55:011
292041399200,19cyclictest3099131-21irqcore10:05:181
2920410992018,1cyclictest0-21swapper/010:43:500
2920410992017,2cyclictest0-21swapper/010:00:100
292041099200,19cyclictest3098648-21apt-get10:05:120
2920420991917,1cyclictest0-21swapper/312:15:143
2920420991917,1cyclictest0-21swapper/309:35:133
2920420991917,1cyclictest0-21swapper/308:20:123
2920420991916,2cyclictest0-21swapper/308:50:123
2920420991916,1cyclictest0-21swapper/307:15:133
2920418991917,1cyclictest3159231-21apt-get11:05:032
2920418991917,1cyclictest0-21swapper/210:26:392
2920418991917,1cyclictest0-21swapper/210:26:382
2920418991916,2cyclictest2976469-21apt-get08:05:122
2920418991916,1cyclictest0-21swapper/210:35:152
292041899190,1cyclictest0-21swapper/209:45:112
292041899190,0cyclictest0-21swapper/212:19:002
2920413991918,1cyclictest0-21swapper/111:21:291
2920413991917,1cyclictest3185041-21turbostat11:30:001
2920410991916,2cyclictest3777322-21systemd-journal07:25:000
2920410991915,2cyclictest0-21swapper/009:30:130
2920420991815,2cyclictest0-21swapper/311:50:143
2920420991815,2cyclictest0-21swapper/311:05:143
2920420991815,2cyclictest0-21swapper/307:20:123
292042099180,0cyclictest0-21swapper/309:45:113
2920418991816,1cyclictest0-21swapper/207:25:162
2920418991814,2cyclictest3179926-21cut11:25:012
2920413991816,1cyclictest0-21swapper/111:50:141
2920413991816,1cyclictest0-21swapper/109:15:121
2920413991816,1cyclictest0-21swapper/108:40:111
2920413991815,2cyclictest3067952-21munin-run09:34:591
2920413991815,2cyclictest0-21swapper/112:30:121
2920413991815,1cyclictest0-21swapper/111:40:121
2920410991814,3cyclictest61650irq/133-enp0s29f1:rx-009:45:110
2920410991814,2cyclictest3179918-21apt11:25:010
2920420991715,1cyclictest0-21swapper/309:00:053
2920420991714,2cyclictest2951625-21irqcore07:40:183
2920420991713,2cyclictest0-21swapper/311:40:113
2920418991716,1cyclictest64-21kcompactd010:10:312
2920418991715,1cyclictest0-21swapper/208:18:412
2920418991713,2cyclictest3032737-21apt-get09:00:132
292041899170,2cyclictest3216367-21diskstats12:00:152
2920413991716,1cyclictest0-21swapper/109:00:011
2920413991714,2cyclictest0-21swapper/112:15:001
2920413991714,2cyclictest0-21swapper/108:25:131
2920410991715,1cyclictest0-21swapper/011:50:140
2920410991715,1cyclictest0-21swapper/008:10:130
2920410991712,3cyclictest0-21swapper/010:50:130
2920420991614,1cyclictest3185805-21irqcore11:30:183
2920420991614,1cyclictest0-21swapper/308:30:123
2920420991612,2cyclictest491ktimers/310:25:133
2920420991612,2cyclictest491ktimers/310:25:133
292042099160,16cyclictest0-21swapper/311:00:003
2920418991614,1cyclictest3103416-21cron10:10:002
2920418991614,1cyclictest0-21swapper/211:15:142
2920418991614,1cyclictest0-21swapper/208:28:542
2920418991614,1cyclictest0-21swapper/207:20:132
2920413991613,2cyclictest0-21swapper/107:50:001
2920413991613,2cyclictest0-21swapper/107:50:001
2920413991613,2cyclictest0-21swapper/107:35:001
2920410991613,1cyclictest0-21swapper/009:10:140
2920420991513,1cyclictest0-21swapper/308:25:133
2920420991511,3cyclictest491ktimers/307:50:113
2920413991513,1cyclictest0-21swapper/107:40:151
2920420991412,1cyclictest0-21swapper/311:11:153
2920418991410,3cyclictest3067930-21cron09:34:592
2920420991311,1cyclictest0-21swapper/310:05:133
2920420991310,2cyclictest3236646-21cpuspeed_turbos12:20:153
292041899139,2cyclictest0-21swapper/209:10:012
2920418991310,2cyclictest3032050-21munin-run09:00:002
2920413991310,2cyclictest3170118-21cpuspeed_turbos11:15:151
292041399123,1cyclictest191rcu_preempt11:13:061
292041099124,2cyclictest191rcu_preempt07:10:000
292042099110,11cyclictest0-21swapper/307:45:163
292042099110,11cyclictest0-21swapper/307:45:163
292041899108,1cyclictest0-21swapper/207:10:002
29204209994,4cyclictest2920426-21sed07:10:003
29204189995,3cyclictest2956442-21uniq07:45:132
29204189995,3cyclictest2956442-21uniq07:45:132
29204139983,4cyclictest2920430-21cat07:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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